Merge remote-tracking branch 'pci/next'

144 files changed, 2583 insertions, 2314 deletions

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 91af588df8b7..286ae6e6f14b 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3716,7 +3716,11 @@
 			[KNL, SMP] Set scheduler's default relax_domain_level.
 			See Documentation/cgroup-v1/cpusets.txt.
 
-	reserve=	[KNL,BUGS] Force the kernel to ignore some iomem area
+	reserve=	[KNL,BUGS] Force kernel to ignore I/O ports or memory
+			Format: <base1>,<size1>[,<base2>,<size2>,...]
+			Reserve I/O ports or memory so the kernel won't use
+			them.  If <base> is less than 0x10000, the region
+			is assumed to be I/O ports; otherwise it is memory.
 
 	reservetop=	[X86-32]
 			Format: nn[KMG]
diff --git a/Documentation/devicetree/bindings/pci/axis,artpec6-pcie.txt b/Documentation/devicetree/bindings/pci/axis,artpec6-pcie.txt
index 4e4aee4439ea..979dc7b6cfe8 100644
--- a/Documentation/devicetree/bindings/pci/axis,artpec6-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/axis,artpec6-pcie.txt
@@ -4,7 +4,10 @@ This PCIe host controller is based on the Synopsys DesignWare PCIe IP
 and thus inherits all the common properties defined in designware-pcie.txt.
 
 Required properties:
-- compatible: "axis,artpec6-pcie", "snps,dw-pcie"
+- compatible: "axis,artpec6-pcie", "snps,dw-pcie" for ARTPEC-6 in RC mode;
+	      "axis,artpec6-pcie-ep", "snps,dw-pcie" for ARTPEC-6 in EP mode;
+	      "axis,artpec7-pcie", "snps,dw-pcie" for ARTPEC-7 in RC mode;
+	      "axis,artpec7-pcie-ep", "snps,dw-pcie" for ARTPEC-7 in EP mode;
 - reg: base addresses and lengths of the PCIe controller (DBI),
 	the PHY controller, and configuration address space.
 - reg-names: Must include the following entries:
diff --git a/Documentation/devicetree/bindings/pci/samsung,exynos5440-pcie.txt b/Documentation/devicetree/bindings/pci/samsung,exynos5440-pcie.txt
index 34a11bfbfb60..651d957d1051 100644
--- a/Documentation/devicetree/bindings/pci/samsung,exynos5440-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/samsung,exynos5440-pcie.txt
@@ -6,9 +6,6 @@ and thus inherits all the common properties defined in designware-pcie.txt.
 Required properties:
 - compatible: "samsung,exynos5440-pcie"
 - reg: base addresses and lengths of the PCIe controller,
-	the PHY controller, additional register for the PHY controller.
-	(Registers for the PHY controller are DEPRECATED.
-	 Use the PHY framework.)
 - reg-names : First name should be set to "elbi".
 	And use the "config" instead of getting the configuration address space
 	from "ranges".
@@ -23,49 +20,8 @@ For other common properties, refer to
 
 Example:
 
-SoC-specific DT Entry:
+SoC-specific DT Entry (with using PHY framework):
 
-	pcie@290000 {
-		compatible = "samsung,exynos5440-pcie", "snps,dw-pcie";
-		reg = <0x290000 0x1000
-			0x270000 0x1000
-			0x271000 0x40>;
-		interrupts = <0 20 0>, <0 21 0>, <0 22 0>;
-		clocks = <&clock 28>, <&clock 27>;
-		clock-names = "pcie", "pcie_bus";
-		#address-cells = <3>;
-		#size-cells = <2>;
-		device_type = "pci";
-		ranges = <0x00000800 0 0x40000000 0x40000000 0 0x00001000   /* configuration space */
-			  0x81000000 0 0	  0x40001000 0 0x00010000   /* downstream I/O */
-			  0x82000000 0 0x40011000 0x40011000 0 0x1ffef000>; /* non-prefetchable memory */
-		#interrupt-cells = <1>;
-		interrupt-map-mask = <0 0 0 0>;
-		interrupt-map = <0 0 0 0 &gic GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
-		num-lanes = <4>;
-	};
-
-	pcie@2a0000 {
-		compatible = "samsung,exynos5440-pcie", "snps,dw-pcie";
-		reg = <0x2a0000 0x1000
-			0x272000 0x1000
-			0x271040 0x40>;
-		interrupts = <0 23 0>, <0 24 0>, <0 25 0>;
-		clocks = <&clock 29>, <&clock 27>;
-		clock-names = "pcie", "pcie_bus";
-		#address-cells = <3>;
-		#size-cells = <2>;
-		device_type = "pci";
-		ranges = <0x00000800 0 0x60000000 0x60000000 0 0x00001000   /* configuration space */
-			  0x81000000 0 0	  0x60001000 0 0x00010000   /* downstream I/O */
-			  0x82000000 0 0x60011000 0x60011000 0 0x1ffef000>; /* non-prefetchable memory */
-		#interrupt-cells = <1>;
-		interrupt-map-mask = <0 0 0 0>;
-		interrupt-map = <0 0 0 0 &gic GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
-		num-lanes = <4>;
-	};
-
-With using PHY framework:
 	pcie_phy0: pcie-phy@270000 {
 		...
 		reg = <0x270000 0x1000>, <0x271000 0x40>;
@@ -74,13 +30,21 @@ With using PHY framework:
 	};
 
 	pcie@290000 {
-		...
+		compatible = "samsung,exynos5440-pcie", "snps,dw-pcie";
 		reg = <0x290000 0x1000>, <0x40000000 0x1000>;
 		reg-names = "elbi", "config";
+		clocks = <&clock 28>, <&clock 27>;
+		clock-names = "pcie", "pcie_bus";
+		#address-cells = <3>;
+		#size-cells = <2>;
+		device_type = "pci";
 		phys = <&pcie_phy0>;
 		ranges = <0x81000000 0 0	  0x60001000 0 0x00010000
 			  0x82000000 0 0x60011000 0x60011000 0 0x1ffef000>;
-		...
+		#interrupt-cells = <1>;
+		interrupt-map-mask = <0 0 0 0>;
+		interrupt-map = <0 0 0 0 &gic GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
+		num-lanes = <4>;
 	};
 
 Board-specific DT Entry:
diff --git a/MAINTAINERS b/MAINTAINERS
index a0d989dfe54b..54fbffa74b04 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10604,8 +10604,12 @@ T:	git git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git
 S:	Supported
 F:	Documentation/devicetree/bindings/pci/
 F:	Documentation/PCI/
+F:	drivers/acpi/pci*
 F:	drivers/pci/
+F:	include/asm-generic/pci*
 F:	include/linux/pci*
+F:	include/uapi/linux/pci*
+F:	lib/pci*
 F:	arch/x86/pci/
 F:	arch/x86/kernel/quirks.c
 
diff --git a/arch/alpha/kernel/console.c b/arch/alpha/kernel/console.c
index 8e9a41966881..5476279329a6 100644
--- a/arch/alpha/kernel/console.c
+++ b/arch/alpha/kernel/console.c
@@ -21,6 +21,7 @@
 struct pci_controller *pci_vga_hose;
 static struct resource alpha_vga = {
 	.name	= "alpha-vga+",
+	.flags	= IORESOURCE_IO,
 	.start	= 0x3C0,
 	.end	= 0x3DF
 };
diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c
index 87da00579946..2e86ebb680ae 100644
--- a/arch/alpha/kernel/pci.c
+++ b/arch/alpha/kernel/pci.c
@@ -425,7 +425,7 @@ sys_pciconfig_iobase(long which, unsigned long bus, unsigned long dfn)
 		if (bus == 0 && dfn == 0) {
 			hose = pci_isa_hose;
 		} else {
-			dev = pci_get_bus_and_slot(bus, dfn);
+			dev = pci_get_domain_bus_and_slot(0, bus, dfn);
 			if (!dev)
 				return -ENODEV;
 			hose = dev->sysdata;
diff --git a/arch/alpha/kernel/sys_nautilus.c b/arch/alpha/kernel/sys_nautilus.c
index 239dc0e601d5..ff4f54b86c7f 100644
--- a/arch/alpha/kernel/sys_nautilus.c
+++ b/arch/alpha/kernel/sys_nautilus.c
@@ -237,7 +237,7 @@ nautilus_init_pci(void)
 	bus = hose->bus = bridge->bus;
 	pcibios_claim_one_bus(bus);
 
-	irongate = pci_get_bus_and_slot(0, 0);
+	irongate = pci_get_domain_bus_and_slot(pci_domain_nr(bus), 0, 0);
 	bus->self = irongate;
 	bus->resource[0] = &irongate_io;
 	bus->resource[1] = &irongate_mem;
diff --git a/arch/arm/include/asm/pci.h b/arch/arm/include/asm/pci.h
index 960d9dc4f380..1f0de808d111 100644
--- a/arch/arm/include/asm/pci.h
+++ b/arch/arm/include/asm/pci.h
@@ -10,10 +10,7 @@ extern unsigned long pcibios_min_io;
 extern unsigned long pcibios_min_mem;
 #define PCIBIOS_MIN_MEM pcibios_min_mem
 
-static inline int pcibios_assign_all_busses(void)
-{
-	return pci_has_flag(PCI_REASSIGN_ALL_RSRC);
-}
+#define pcibios_assign_all_busses()	pci_has_flag(PCI_REASSIGN_ALL_BUS)
 
 #ifdef CONFIG_PCI_DOMAINS
 static inline int pci_proc_domain(struct pci_bus *bus)
diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c
index 0cd0aefb3a8f..ed46ca69813d 100644
--- a/arch/arm/kernel/bios32.c
+++ b/arch/arm/kernel/bios32.c
@@ -527,7 +527,7 @@ void pci_common_init_dev(struct device *parent, struct hw_pci *hw)
 	struct pci_sys_data *sys;
 	LIST_HEAD(head);
 
-	pci_add_flags(PCI_REASSIGN_ALL_RSRC);
+	pci_add_flags(PCI_REASSIGN_ALL_BUS);
 	if (hw->preinit)
 		hw->preinit();
 	pcibios_init_hw(parent, hw, &head);
diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
index 9b49867154bf..6b32dc527edc 100644
--- a/arch/arm/mach-mvebu/Kconfig
+++ b/arch/arm/mach-mvebu/Kconfig
@@ -10,7 +10,6 @@ menuconfig ARCH_MVEBU
 	select ZONE_DMA if ARM_LPAE
 	select GPIOLIB
 	select PCI_QUIRKS if PCI
-	select OF_ADDRESS_PCI
 
 if ARCH_MVEBU
 
diff --git a/arch/mips/jazz/setup.c b/arch/mips/jazz/setup.c
index e4374a5651ce..448fd41792e4 100644
--- a/arch/mips/jazz/setup.c
+++ b/arch/mips/jazz/setup.c
@@ -32,22 +32,22 @@ static struct resource jazz_io_resources[] = {
 		.start	= 0x00,
 		.end	= 0x1f,
 		.name	= "dma1",
-		.flags	= IORESOURCE_BUSY
+		.flags	= IORESOURCE_IO | IORESOURCE_BUSY
 	}, {
 		.start	= 0x40,
 		.end	= 0x5f,
 		.name	= "timer",
-		.flags	= IORESOURCE_BUSY
+		.flags	= IORESOURCE_IO | IORESOURCE_BUSY
 	}, {
 		.start	= 0x80,
 		.end	= 0x8f,
 		.name	= "dma page reg",
-		.flags	= IORESOURCE_BUSY
+		.flags	= IORESOURCE_IO | IORESOURCE_BUSY
 	}, {
 		.start	= 0xc0,
 		.end	= 0xdf,
 		.name	= "dma2",
-		.flags	= IORESOURCE_BUSY
+		.flags	= IORESOURCE_IO | IORESOURCE_BUSY
 	}
 };
 
diff --git a/arch/mips/mti-malta/malta-setup.c b/arch/mips/mti-malta/malta-setup.c
index de34adb76157..7b63914d2e58 100644
--- a/arch/mips/mti-malta/malta-setup.c
+++ b/arch/mips/mti-malta/malta-setup.c
@@ -47,31 +47,31 @@ static struct resource standard_io_resources[] = {
 		.name = "dma1",
 		.start = 0x00,
 		.end = 0x1f,
-		.flags = IORESOURCE_BUSY
+		.flags = IORESOURCE_IO | IORESOURCE_BUSY
 	},
 	{
 		.name = "timer",
 		.start = 0x40,
 		.end = 0x5f,
-		.flags = IORESOURCE_BUSY
+		.flags = IORESOURCE_IO | IORESOURCE_BUSY
 	},
 	{
 		.name = "keyboard",
 		.start = 0x60,
 		.end = 0x6f,
-		.flags = IORESOURCE_BUSY
+		.flags = IORESOURCE_IO | IORESOURCE_BUSY
 	},
 	{
 		.name = "dma page reg",
 		.start = 0x80,
 		.end = 0x8f,
-		.flags = IORESOURCE_BUSY
+		.flags = IORESOURCE_IO | IORESOURCE_BUSY
 	},
 	{
 		.name = "dma2",
 		.start = 0xc0,
 		.end = 0xdf,
-		.flags = IORESOURCE_BUSY
+		.flags = IORESOURCE_IO | IORESOURCE_BUSY
 	},
 };
 
diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
index cc649809885e..2b9df0040d6b 100644
--- a/arch/powerpc/kernel/eeh.c
+++ b/arch/powerpc/kernel/eeh.c
@@ -756,14 +756,14 @@ int eeh_restore_vf_config(struct pci_dn *pdn)
 		eeh_ops->write_config(pdn, edev->pcie_cap + PCI_EXP_DEVCTL,
 				      2, devctl);
 
-		/* Disable Completion Timeout */
+		/* Disable Completion Timeout if possible */
 		eeh_ops->read_config(pdn, edev->pcie_cap + PCI_EXP_DEVCAP2,
 				     4, &cap2);
-		if (cap2 & 0x10) {
+		if (cap2 & PCI_EXP_DEVCAP2_COMP_TMOUT_DIS) {
 			eeh_ops->read_config(pdn,
 					     edev->pcie_cap + PCI_EXP_DEVCTL2,
 					     4, &cap2);
-			cap2 |= 0x10;
+			cap2 |= PCI_EXP_DEVCTL2_COMP_TMOUT_DIS;
 			eeh_ops->write_config(pdn,
 					      edev->pcie_cap + PCI_EXP_DEVCTL2,
 					      4, cap2);
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 208e623b2557..ae2ede4de6be 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -362,8 +362,7 @@ struct pci_controller* pci_find_hose_for_OF_device(struct device_node* node)
  */
 static int pci_read_irq_line(struct pci_dev *pci_dev)
 {
-	struct of_phandle_args oirq;
-	unsigned int virq;
+	unsigned int virq = 0;
 
 	pr_debug("PCI: Try to map irq for %s...\n", pci_name(pci_dev));
 
@@ -371,7 +370,7 @@ static int pci_read_irq_line(struct pci_dev *pci_dev)
 	memset(&oirq, 0xff, sizeof(oirq));
 #endif
 	/* Try to get a mapping from the device-tree */
-	if (of_irq_parse_pci(pci_dev, &oirq)) {
+	if (!of_irq_parse_and_map_pci(pci_dev, 0, 0)) {
 		u8 line, pin;
 
 		/* If that fails, lets fallback to what is in the config
@@ -395,11 +394,6 @@ static int pci_read_irq_line(struct pci_dev *pci_dev)
 		virq = irq_create_mapping(NULL, line);
 		if (virq)
 			irq_set_irq_type(virq, IRQ_TYPE_LEVEL_LOW);
-	} else {
-		pr_debug(" Got one, spec %d cells (0x%08x 0x%08x...) on %pOF\n",
-			 oirq.args_count, oirq.args[0], oirq.args[1], oirq.np);
-
-		virq = irq_create_of_mapping(&oirq);
 	}
 
 	if (!virq) {
diff --git a/arch/powerpc/kernel/pci-hotplug.c b/arch/powerpc/kernel/pci-hotplug.c
index 2d71269e7dc1..cf47b1aec4c2 100644
--- a/arch/powerpc/kernel/pci-hotplug.c
+++ b/arch/powerpc/kernel/pci-hotplug.c
@@ -104,7 +104,7 @@ EXPORT_SYMBOL_GPL(pci_hp_remove_devices);
  */
 void pci_hp_add_devices(struct pci_bus *bus)
 {
-	int slotno, mode, pass, max;
+	int slotno, mode, max;
 	struct pci_dev *dev;
 	struct pci_controller *phb;
 	struct device_node *dn = pci_bus_to_OF_node(bus);
@@ -133,13 +133,17 @@ void pci_hp_add_devices(struct pci_bus *bus)
 		pci_scan_slot(bus, PCI_DEVFN(slotno, 0));
 		pcibios_setup_bus_devices(bus);
 		max = bus->busn_res.start;
-		for (pass = 0; pass < 2; pass++) {
-			list_for_each_entry(dev, &bus->devices, bus_list) {
-				if (pci_is_bridge(dev))
-					max = pci_scan_bridge(bus, dev,
-							      max, pass);
-			}
-		}
+		/*
+		 * Scan bridges that are already configured. We don't touch
+		 * them unless they are misconfigured (which will be done in
+		 * the second scan below).
+		 */
+		for_each_pci_bridge(dev, bus)
+			max = pci_scan_bridge(bus, dev, max, 0);
+
+		/* Scan bridges that need to be reconfigured */
+		for_each_pci_bridge(dev, bus)
+			max = pci_scan_bridge(bus, dev, max, 1);
 	}
 	pcibios_finish_adding_to_bus(bus);
 }
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index 1d817f4d97d9..85ad2f78b889 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -96,7 +96,8 @@ make_one_node_map(struct device_node* node, u8 pci_bus)
 		reg = of_get_property(node, "reg", NULL);
 		if (!reg)
 			continue;
-		dev = pci_get_bus_and_slot(pci_bus, ((reg[0] >> 8) & 0xff));
+		dev = pci_get_domain_bus_and_slot(0, pci_bus,
+						  ((reg[0] >> 8) & 0xff));
 		if (!dev || !dev->subordinate) {
 			pci_dev_put(dev);
 			continue;
diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c
index 20ceec4a5f5e..98f04725def7 100644
--- a/arch/powerpc/kernel/pci_of_scan.c
+++ b/arch/powerpc/kernel/pci_of_scan.c
@@ -369,11 +369,8 @@ static void __of_scan_bus(struct device_node *node, struct pci_bus *bus,
 	pcibios_setup_bus_devices(bus);
 
 	/* Now scan child busses */
-	list_for_each_entry(dev, &bus->devices, bus_list) {
-		if (pci_is_bridge(dev)) {
-			of_scan_pci_bridge(dev);
-		}
-	}
+	for_each_pci_bridge(dev, bus)
+		of_scan_pci_bridge(dev);
 }
 
 /**
diff --git a/arch/powerpc/platforms/maple/time.c b/arch/powerpc/platforms/maple/time.c
index 81799d70a1ee..cfddc87f81bf 100644
--- a/arch/powerpc/platforms/maple/time.c
+++ b/arch/powerpc/platforms/maple/time.c
@@ -134,7 +134,7 @@ int maple_set_rtc_time(struct rtc_time *tm)
 
 static struct resource rtc_iores = {
 	.name = "rtc",
-	.flags = IORESOURCE_BUSY,
+	.flags = IORESOURCE_IO | IORESOURCE_BUSY,
 };
 
 unsigned long __init maple_get_boot_time(void)
diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c
index 466b84234683..3f82cb24eb2b 100644
--- a/arch/powerpc/platforms/powermac/feature.c
+++ b/arch/powerpc/platforms/powermac/feature.c
@@ -829,7 +829,7 @@ core99_ata100_enable(struct device_node *node, long value)
 
 	if (value) {
 		if (pci_device_from_OF_node(node, &pbus, &pid) == 0)
-			pdev = pci_get_bus_and_slot(pbus, pid);
+			pdev = pci_get_domain_bus_and_slot(0, pbus, pid);
 		if (pdev == NULL)
 			return 0;
 		rc = pci_enable_device(pdev);
diff --git a/arch/powerpc/sysdev/i8259.c b/arch/powerpc/sysdev/i8259.c
index bafb014e1a7e..cb9a8b71fd0f 100644
--- a/arch/powerpc/sysdev/i8259.c
+++ b/arch/powerpc/sysdev/i8259.c
@@ -145,21 +145,21 @@ static struct resource pic1_iores = {
 	.name = "8259 (master)",
 	.start = 0x20,
 	.end = 0x21,
-	.flags = IORESOURCE_BUSY,
+	.flags = IORESOURCE_IO | IORESOURCE_BUSY,
 };
 
 static struct resource pic2_iores = {
 	.name = "8259 (slave)",
 	.start = 0xa0,
 	.end = 0xa1,
-	.flags = IORESOURCE_BUSY,
+	.flags = IORESOURCE_IO | IORESOURCE_BUSY,
 };
 
 static struct resource pic_edgectrl_iores = {
 	.name = "8259 edge control",
 	.start = 0x4d0,
 	.end = 0x4d1,
-	.flags = IORESOURCE_BUSY,
+	.flags = IORESOURCE_IO | IORESOURCE_BUSY,
 };
 
 static int i8259_host_match(struct irq_domain *h, struct device_node *node,
diff --git a/arch/powerpc/sysdev/mv64x60_pci.c b/arch/powerpc/sysdev/mv64x60_pci.c
index 50c411b1761e..1afcdb428e51 100644
--- a/arch/powerpc/sysdev/mv64x60_pci.c
+++ b/arch/powerpc/sysdev/mv64x60_pci.c
@@ -37,7 +37,7 @@ static ssize_t mv64x60_hs_reg_read(struct file *filp, struct kobject *kobj,
 	if (count < MV64X60_VAL_LEN_MAX)
 		return -EINVAL;
 
-	phb = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0));
+	phb = pci_get_domain_bus_and_slot(0, 0, PCI_DEVFN(0, 0));
 	if (!phb)
 		return -ENODEV;
 	pci_read_config_dword(phb, MV64X60_PCICFG_CPCI_HOTSWAP, &v);
@@ -61,7 +61,7 @@ static ssize_t mv64x60_hs_reg_write(struct file *filp, struct kobject *kobj,
 	if (sscanf(buf, "%i", &v) != 1)
 		return -EINVAL;
 
-	phb = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0));
+	phb = pci_get_domain_bus_and_slot(0, 0, PCI_DEVFN(0, 0));
 	if (!phb)
 		return -ENODEV;
 	pci_write_config_dword(phb, MV64X60_PCICFG_CPCI_HOTSWAP, v);
diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index 0452629148be..52e55108404e 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -839,7 +839,8 @@ static void __init pirq_find_router(struct irq_router *r)
 	DBG(KERN_DEBUG "PCI: Attempting to find IRQ router for [%04x:%04x]\n",
 	    rt->rtr_vendor, rt->rtr_device);
 
-	pirq_router_dev = pci_get_bus_and_slot(rt->rtr_bus, rt->rtr_devfn);
+	pirq_router_dev = pci_get_domain_bus_and_slot(0, rt->rtr_bus,
+						      rt->rtr_devfn);
 	if (!pirq_router_dev) {
 		DBG(KERN_DEBUG "PCI: Interrupt router not found at "
 			"%02x:%02x\n", rt->rtr_bus, rt->rtr_devfn);
diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c
index c4b3646bd04c..9542a746dc50 100644
--- a/arch/x86/pci/xen.c
+++ b/arch/x86/pci/xen.c
@@ -409,10 +409,8 @@ int __init pci_xen_init(void)
 	pcibios_enable_irq = xen_pcifront_enable_irq;
 	pcibios_disable_irq = NULL;
 
-#ifdef CONFIG_ACPI
 	/* Keep ACPI out of the picture */
-	acpi_noirq = 1;
-#endif
+	acpi_noirq_set();
 
 #ifdef CONFIG_PCI_MSI
 	x86_msi.setup_msi_irqs = xen_setup_msi_irqs;
diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c
index d19cd88ed2d3..0b122f903b8a 100644
--- a/drivers/ata/pata_ali.c
+++ b/drivers/ata/pata_ali.c
@@ -466,7 +466,8 @@ static void ali_init_chipset(struct pci_dev *pdev)
 			tmp |= 0x01;	/* CD_ROM enable for DMA */
 		pci_write_config_byte(pdev, 0x53, tmp);
 	}
-	north = pci_get_bus_and_slot(0, PCI_DEVFN(0,0));
+	north = pci_get_domain_bus_and_slot(pci_domain_nr(pdev->bus), 0,
+					    PCI_DEVFN(0, 0));
 	if (north && north->vendor == PCI_VENDOR_ID_AL && ali_isa_bridge) {
 		/* Configure the ALi bridge logic. For non ALi rely on BIOS.
 		   Set the south bridge enable bit */
diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index 442e777bdfb2..a7dbd184af86 100644
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -268,17 +268,17 @@ static bool DAC960_CreateAuxiliaryStructures(DAC960_Controller_T *Controller)
   void *AllocationPointer = NULL;
   void *ScatterGatherCPU = NULL;
   dma_addr_t ScatterGatherDMA;
-  struct pci_pool *ScatterGatherPool;
+  struct dma_pool *ScatterGatherPool;
   void *RequestSenseCPU = NULL;
   dma_addr_t RequestSenseDMA;
-  struct pci_pool *RequestSensePool = NULL;
+  struct dma_pool *RequestSensePool = NULL;
 
   if (Controller->FirmwareType == DAC960_V1_Controller)
     {
       CommandAllocationLength = offsetof(DAC960_Command_T, V1.EndMarker);
       CommandAllocationGroupSize = DAC960_V1_CommandAllocationGroupSize;
-      ScatterGatherPool = pci_pool_create("DAC960_V1_ScatterGather",
-		Controller->PCIDevice,
+      ScatterGatherPool = dma_pool_create("DAC960_V1_ScatterGather",
+		&Controller->PCIDevice->dev,
 	DAC960_V1_ScatterGatherLimit * sizeof(DAC960_V1_ScatterGatherSegment_T),
 	sizeof(DAC960_V1_ScatterGatherSegment_T), 0);
       if (ScatterGatherPool == NULL)
@@ -290,18 +290,18 @@ static bool DAC960_CreateAuxiliaryStructures(DAC960_Controller_T *Controller)
     {
       CommandAllocationLength = offsetof(DAC960_Command_T, V2.EndMarker);
       CommandAllocationGroupSize = DAC960_V2_CommandAllocationGroupSize;
-      ScatterGatherPool = pci_pool_create("DAC960_V2_ScatterGather",
-		Controller->PCIDevice,
+      ScatterGatherPool = dma_pool_create("DAC960_V2_ScatterGather",
+		&Controller->PCIDevice->dev,
 	DAC960_V2_ScatterGatherLimit * sizeof(DAC960_V2_ScatterGatherSegment_T),
 	sizeof(DAC960_V2_ScatterGatherSegment_T), 0);
       if (ScatterGatherPool == NULL)
 	    return DAC960_Failure(Controller,
 			"AUXILIARY STRUCTURE CREATION (SG)");
-      RequestSensePool = pci_pool_create("DAC960_V2_RequestSense",
-		Controller->PCIDevice, sizeof(DAC960_SCSI_RequestSense_T),
+      RequestSensePool = dma_pool_create("DAC960_V2_RequestSense",
+		&Controller->PCIDevice->dev, sizeof(DAC960_SCSI_RequestSense_T),
 		sizeof(int), 0);
       if (RequestSensePool == NULL) {
-	    pci_pool_destroy(ScatterGatherPool);
+	    dma_pool_destroy(ScatterGatherPool);
 	    return DAC960_Failure(Controller,
 			"AUXILIARY STRUCTURE CREATION (SG)");
       }
@@ -335,16 +335,16 @@ static bool DAC960_CreateAuxiliaryStructures(DAC960_Controller_T *Controller)
       Command->Next = Controller->FreeCommands;
       Controller->FreeCommands = Command;
       Controller->Commands[CommandIdentifier-1] = Command;
-      ScatterGatherCPU = pci_pool_alloc(ScatterGatherPool, GFP_ATOMIC,
+      ScatterGatherCPU = dma_pool_alloc(ScatterGatherPool, GFP_ATOMIC,
 							&ScatterGatherDMA);
       if (ScatterGatherCPU == NULL)
 	  return DAC960_Failure(Controller, "AUXILIARY STRUCTURE CREATION");
 
       if (RequestSensePool != NULL) {
-  	  RequestSenseCPU = pci_pool_alloc(RequestSensePool, GFP_ATOMIC,
+	  RequestSenseCPU = dma_pool_alloc(RequestSensePool, GFP_ATOMIC,
 						&RequestSenseDMA);
   	  if (RequestSenseCPU == NULL) {
-                pci_pool_free(ScatterGatherPool, ScatterGatherCPU,
+                dma_pool_free(ScatterGatherPool, ScatterGatherCPU,
                                 ScatterGatherDMA);
     		return DAC960_Failure(Controller,
 					"AUXILIARY STRUCTURE CREATION");
@@ -379,8 +379,8 @@ static bool DAC960_CreateAuxiliaryStructures(DAC960_Controller_T *Controller)
 static void DAC960_DestroyAuxiliaryStructures(DAC960_Controller_T *Controller)
 {
   int i;
-  struct pci_pool *ScatterGatherPool = Controller->ScatterGatherPool;
-  struct pci_pool *RequestSensePool = NULL;
+  struct dma_pool *ScatterGatherPool = Controller->ScatterGatherPool;
+  struct dma_pool *RequestSensePool = NULL;
   void *ScatterGatherCPU;
   dma_addr_t ScatterGatherDMA;
   void *RequestSenseCPU;
@@ -411,9 +411,9 @@ static void DAC960_DestroyAuxiliaryStructures(DAC960_Controller_T *Controller)
 	  RequestSenseDMA = Command->V2.RequestSenseDMA;
       }
       if (ScatterGatherCPU != NULL)
-          pci_pool_free(ScatterGatherPool, ScatterGatherCPU, ScatterGatherDMA);
+          dma_pool_free(ScatterGatherPool, ScatterGatherCPU, ScatterGatherDMA);
       if (RequestSenseCPU != NULL)
-          pci_pool_free(RequestSensePool, RequestSenseCPU, RequestSenseDMA);
+          dma_pool_free(RequestSensePool, RequestSenseCPU, RequestSenseDMA);
 
       if ((Command->CommandIdentifier
 	   % Controller->CommandAllocationGroupSize) == 1) {
@@ -437,13 +437,11 @@ static void DAC960_DestroyAuxiliaryStructures(DAC960_Controller_T *Controller)
       Controller->CurrentStatusBuffer = NULL;
     }
 
-  if (ScatterGatherPool != NULL)
-  	pci_pool_destroy(ScatterGatherPool);
+  dma_pool_destroy(ScatterGatherPool);
   if (Controller->FirmwareType == DAC960_V1_Controller)
   	return;
 
-  if (RequestSensePool != NULL)
-	pci_pool_destroy(RequestSensePool);
+  dma_pool_destroy(RequestSensePool);
 
   for (i = 0; i < DAC960_MaxLogicalDrives; i++) {
 	kfree(Controller->V2.LogicalDeviceInformation[i]);
diff --git a/drivers/block/DAC960.h b/drivers/block/DAC960.h
index 6a6226a2b932..21aff470d268 100644
--- a/drivers/block/DAC960.h
+++ b/drivers/block/DAC960.h
@@ -2316,7 +2316,7 @@ typedef struct DAC960_Controller
   bool SuppressEnclosureMessages;
   struct timer_list MonitoringTimer;
   struct gendisk *disks[DAC960_MaxLogicalDrives];
-  struct pci_pool *ScatterGatherPool;
+  struct dma_pool *ScatterGatherPool;
   DAC960_Command_T *FreeCommands;
   unsigned char *CombinedStatusBuffer;
   unsigned char *CurrentStatusBuffer;
@@ -2429,7 +2429,7 @@ typedef struct DAC960_Controller
       bool NeedDeviceSerialNumberInformation;
       bool StartLogicalDeviceInformationScan;
       bool StartPhysicalDeviceInformationScan;
-      struct pci_pool *RequestSensePool;
+      struct dma_pool *RequestSensePool;
 
       dma_addr_t	FirstCommandMailboxDMA;
       DAC960_V2_CommandMailbox_T *FirstCommandMailbox;
diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c
index 828b34445203..623205bcd04a 100644
--- a/drivers/char/agp/nvidia-agp.c
+++ b/drivers/char/agp/nvidia-agp.c
@@ -340,11 +340,17 @@ static int agp_nvidia_probe(struct pci_dev *pdev,
 	u8 cap_ptr;
 
 	nvidia_private.dev_1 =
-		pci_get_bus_and_slot((unsigned int)pdev->bus->number, PCI_DEVFN(0, 1));
+		pci_get_domain_bus_and_slot(pci_domain_nr(pdev->bus),
+					    (unsigned int)pdev->bus->number,
+					    PCI_DEVFN(0, 1));
 	nvidia_private.dev_2 =
-		pci_get_bus_and_slot((unsigned int)pdev->bus->number, PCI_DEVFN(0, 2));
+		pci_get_domain_bus_and_slot(pci_domain_nr(pdev->bus),
+					    (unsigned int)pdev->bus->number,
+					    PCI_DEVFN(0, 2));
 	nvidia_private.dev_3 =
-		pci_get_bus_and_slot((unsigned int)pdev->bus->number, PCI_DEVFN(30, 0));
+		pci_get_domain_bus_and_slot(pci_domain_nr(pdev->bus),
+					    (unsigned int)pdev->bus->number,
+					    PCI_DEVFN(30, 0));
 
 	if (!nvidia_private.dev_1 || !nvidia_private.dev_2 || !nvidia_private.dev_3) {
 		printk(KERN_INFO PFX "Detected an NVIDIA nForce/nForce2 "
diff --git a/drivers/char/agp/sworks-agp.c b/drivers/char/agp/sworks-agp.c
index 03be4ac79b0d..4dbdd3bc9bb8 100644
--- a/drivers/char/agp/sworks-agp.c
+++ b/drivers/char/agp/sworks-agp.c
@@ -474,7 +474,8 @@ static int agp_serverworks_probe(struct pci_dev *pdev,
 	}
 
 	/* Everything is on func 1 here so we are hardcoding function one */
-	bridge_dev = pci_get_bus_and_slot((unsigned int)pdev->bus->number,
+	bridge_dev = pci_get_domain_bus_and_slot(pci_domain_nr(pdev->bus),
+			(unsigned int)pdev->bus->number,
 			PCI_DEVFN(0, 1));
 	if (!bridge_dev) {
 		dev_info(&pdev->dev, "can't find secondary device\n");
diff --git a/drivers/firmware/edd.c b/drivers/firmware/edd.c
index e22957665808..60a8f1363a10 100644
--- a/drivers/firmware/edd.c
+++ b/drivers/firmware/edd.c
@@ -669,10 +669,10 @@ edd_get_pci_dev(struct edd_device *edev)
 	struct edd_info *info = edd_dev_get_info(edev);
 
 	if (edd_dev_is_type(edev, "PCI") || edd_dev_is_type(edev, "XPRS")) {
-		return pci_get_bus_and_slot(info->params.interface_path.pci.bus,
-				     PCI_DEVFN(info->params.interface_path.pci.slot,
-					       info->params.interface_path.pci.
-					       function));
+		return pci_get_domain_bus_and_slot(0,
+				info->params.interface_path.pci.bus,
+				PCI_DEVFN(info->params.interface_path.pci.slot,
+				info->params.interface_path.pci.function));
 	}
 	return NULL;
 }
diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c
index 14042a64bdd5..6bc8e6640d71 100644
--- a/drivers/firmware/iscsi_ibft.c
+++ b/drivers/firmware/iscsi_ibft.c
@@ -719,8 +719,9 @@ static int __init ibft_create_kobject(struct acpi_table_ibft *header,
 		* executes only devices which are in domain 0. Furthermore, the
 		* iBFT spec doesn't have a domain id field :-(
 		*/
-		pci_dev = pci_get_bus_and_slot((nic->pci_bdf & 0xff00) >> 8,
-					       (nic->pci_bdf & 0xff));
+		pci_dev = pci_get_domain_bus_and_slot(0,
+						(nic->pci_bdf & 0xff00) >> 8,
+						(nic->pci_bdf & 0xff));
 		if (pci_dev) {
 			rc = sysfs_create_link(&boot_kobj->kobj,
 					       &pci_dev->dev.kobj, "device");
diff --git a/drivers/gpu/drm/gma500/cdv_device.c b/drivers/gpu/drm/gma500/cdv_device.c
index 8745971a7680..3a3bf752e03a 100644
--- a/drivers/gpu/drm/gma500/cdv_device.c
+++ b/drivers/gpu/drm/gma500/cdv_device.c
@@ -185,21 +185,22 @@ static int cdv_backlight_init(struct drm_device *dev)
  *	for this and the MID devices.
  */
 
-static inline u32 CDV_MSG_READ32(uint port, uint offset)
+static inline u32 CDV_MSG_READ32(int domain, uint port, uint offset)
 {
 	int mcr = (0x10<<24) | (port << 16) | (offset << 8);
 	uint32_t ret_val = 0;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
+	struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
 	pci_write_config_dword(pci_root, 0xD0, mcr);
 	pci_read_config_dword(pci_root, 0xD4, &ret_val);
 	pci_dev_put(pci_root);
 	return ret_val;
 }
 
-static inline void CDV_MSG_WRITE32(uint port, uint offset, u32 value)
+static inline void CDV_MSG_WRITE32(int domain, uint port, uint offset,
+				   u32 value)
 {
 	int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
+	struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
 	pci_write_config_dword(pci_root, 0xD4, value);
 	pci_write_config_dword(pci_root, 0xD0, mcr);
 	pci_dev_put(pci_root);
@@ -216,11 +217,12 @@ static void cdv_init_pm(struct drm_device *dev)
 {
 	struct drm_psb_private *dev_priv = dev->dev_private;
 	u32 pwr_cnt;
+	int domain = pci_domain_nr(dev->pdev->bus);
 	int i;
 
-	dev_priv->apm_base = CDV_MSG_READ32(PSB_PUNIT_PORT,
+	dev_priv->apm_base = CDV_MSG_READ32(domain, PSB_PUNIT_PORT,
 							PSB_APMBA) & 0xFFFF;
-	dev_priv->ospm_base = CDV_MSG_READ32(PSB_PUNIT_PORT,
+	dev_priv->ospm_base = CDV_MSG_READ32(domain, PSB_PUNIT_PORT,
 							PSB_OSPMBA) & 0xFFFF;
 
 	/* Power status */
@@ -251,7 +253,7 @@ static void cdv_errata(struct drm_device *dev)
 	 *	Bonus Launch to work around the issue, by degrading
 	 *	performance.
 	 */
-	 CDV_MSG_WRITE32(3, 0x30, 0x08027108);
+	 CDV_MSG_WRITE32(pci_domain_nr(dev->pdev->bus), 3, 0x30, 0x08027108);
 }
 
 /**
diff --git a/drivers/gpu/drm/gma500/gma_device.c b/drivers/gpu/drm/gma500/gma_device.c
index 4a295f9ba067..a7fb6de4dd15 100644
--- a/drivers/gpu/drm/gma500/gma_device.c
+++ b/drivers/gpu/drm/gma500/gma_device.c
@@ -19,7 +19,9 @@
 void gma_get_core_freq(struct drm_device *dev)
 {
 	uint32_t clock;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
+	struct pci_dev *pci_root =
+		pci_get_domain_bus_and_slot(pci_domain_nr(dev->pdev->bus),
+					    0, 0);
 	struct drm_psb_private *dev_priv = dev->dev_private;
 
 	/*pci_write_config_dword(pci_root, 0xD4, 0x00C32004);*/
diff --git a/drivers/gpu/drm/gma500/mid_bios.c b/drivers/gpu/drm/gma500/mid_bios.c
index 1fa163373a47..7171b7475f58 100644
--- a/drivers/gpu/drm/gma500/mid_bios.c
+++ b/drivers/gpu/drm/gma500/mid_bios.c
@@ -32,7 +32,9 @@
 static void mid_get_fuse_settings(struct drm_device *dev)
 {
 	struct drm_psb_private *dev_priv = dev->dev_private;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
+	struct pci_dev *pci_root =
+		pci_get_domain_bus_and_slot(pci_domain_nr(dev->pdev->bus),
+					    0, 0);
 	uint32_t fuse_value = 0;
 	uint32_t fuse_value_tmp = 0;
 
@@ -104,7 +106,9 @@ static void mid_get_fuse_settings(struct drm_device *dev)
 static void mid_get_pci_revID(struct drm_psb_private *dev_priv)
 {
 	uint32_t platform_rev_id = 0;
-	struct pci_dev *pci_gfx_root = pci_get_bus_and_slot(0, PCI_DEVFN(2, 0));
+	int domain = pci_domain_nr(dev_priv->dev->pdev->bus);
+	struct pci_dev *pci_gfx_root =
+		pci_get_domain_bus_and_slot(domain, 0, PCI_DEVFN(2, 0));
 
 	if (pci_gfx_root == NULL) {
 		WARN_ON(1);
@@ -281,7 +285,9 @@ static void mid_get_vbt_data(struct drm_psb_private *dev_priv)
 	u32 addr;
 	u8 __iomem *vbt_virtual;
 	struct mid_vbt_header vbt_header;
-	struct pci_dev *pci_gfx_root = pci_get_bus_and_slot(0, PCI_DEVFN(2, 0));
+	struct pci_dev *pci_gfx_root =
+		pci_get_domain_bus_and_slot(pci_domain_nr(dev->pdev->bus),
+					    0, PCI_DEVFN(2, 0));
 	int ret = -1;
 
 	/* Get the address of the platform config vbt */
diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c
index 37a3be71acd9..99d6527923de 100644
--- a/drivers/gpu/drm/gma500/psb_drv.c
+++ b/drivers/gpu/drm/gma500/psb_drv.c
@@ -261,7 +261,11 @@ static int psb_driver_load(struct drm_device *dev, unsigned long flags)
 		goto out_err;
 
 	if (IS_MRST(dev)) {
-		dev_priv->aux_pdev = pci_get_bus_and_slot(0, PCI_DEVFN(3, 0));
+		int domain = pci_domain_nr(dev->pdev->bus);
+
+		dev_priv->aux_pdev =
+			pci_get_domain_bus_and_slot(domain, 0,
+						    PCI_DEVFN(3, 0));
 
 		if (dev_priv->aux_pdev) {
 			resource_start = pci_resource_start(dev_priv->aux_pdev,
@@ -281,7 +285,9 @@ static int psb_driver_load(struct drm_device *dev, unsigned long flags)
 		}
 		dev_priv->gmbus_reg = dev_priv->aux_reg;
 
-		dev_priv->lpc_pdev = pci_get_bus_and_slot(0, PCI_DEVFN(31, 0));
+		dev_priv->lpc_pdev =
+			pci_get_domain_bus_and_slot(domain, 0,
+						    PCI_DEVFN(31, 0));
 		if (dev_priv->lpc_pdev) {
 			pci_read_config_word(dev_priv->lpc_pdev, PSB_LPC_GBA,
 				&dev_priv->lpc_gpio_base);
diff --git a/drivers/gpu/drm/gma500/psb_drv.h b/drivers/gpu/drm/gma500/psb_drv.h
index 821497dbd3fc..d409e02bf540 100644
--- a/drivers/gpu/drm/gma500/psb_drv.h
+++ b/drivers/gpu/drm/gma500/psb_drv.h
@@ -781,38 +781,40 @@ extern const struct psb_ops cdv_chip_ops;
 extern int drm_idle_check_interval;
 
 /* Utilities */
-static inline u32 MRST_MSG_READ32(uint port, uint offset)
+static inline u32 MRST_MSG_READ32(int domain, uint port, uint offset)
 {
 	int mcr = (0xD0<<24) | (port << 16) | (offset << 8);
 	uint32_t ret_val = 0;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
+	struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
 	pci_write_config_dword(pci_root, 0xD0, mcr);
 	pci_read_config_dword(pci_root, 0xD4, &ret_val);
 	pci_dev_put(pci_root);
 	return ret_val;
 }
-static inline void MRST_MSG_WRITE32(uint port, uint offset, u32 value)
+static inline void MRST_MSG_WRITE32(int domain, uint port, uint offset,
+				    u32 value)
 {
 	int mcr = (0xE0<<24) | (port << 16) | (offset << 8) | 0xF0;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
+	struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
 	pci_write_config_dword(pci_root, 0xD4, value);
 	pci_write_config_dword(pci_root, 0xD0, mcr);
 	pci_dev_put(pci_root);
 }
-static inline u32 MDFLD_MSG_READ32(uint port, uint offset)
+static inline u32 MDFLD_MSG_READ32(int domain, uint port, uint offset)
 {
 	int mcr = (0x10<<24) | (port << 16) | (offset << 8);
 	uint32_t ret_val = 0;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
+	struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
 	pci_write_config_dword(pci_root, 0xD0, mcr);
 	pci_read_config_dword(pci_root, 0xD4, &ret_val);
 	pci_dev_put(pci_root);
 	return ret_val;
 }
-static inline void MDFLD_MSG_WRITE32(uint port, uint offset, u32 value)
+static inline void MDFLD_MSG_WRITE32(int domain, uint port, uint offset,
+				     u32 value)
 {
 	int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
-	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
+	struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
 	pci_write_config_dword(pci_root, 0xD4, value);
 	pci_write_config_dword(pci_root, 0xD0, mcr);
 	pci_dev_put(pci_root);
diff --git a/drivers/gpu/drm/nouveau/dispnv04/arb.c b/drivers/gpu/drm/nouveau/dispnv04/arb.c
index 90075b676256..c79160c37f84 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/arb.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/arb.c
@@ -213,8 +213,10 @@ nv04_update_arb(struct drm_device *dev, int VClk, int bpp,
 	if ((dev->pdev->device & 0xffff) == 0x01a0 /*CHIPSET_NFORCE*/ ||
 	    (dev->pdev->device & 0xffff) == 0x01f0 /*CHIPSET_NFORCE2*/) {
 		uint32_t type;
+		int domain = pci_domain_nr(dev->pdev->bus);
 
-		pci_read_config_dword(pci_get_bus_and_slot(0, 1), 0x7c, &type);
+		pci_read_config_dword(pci_get_domain_bus_and_slot(domain, 0, 1),
+				      0x7c, &type);
 
 		sim_data.memory_type = (type >> 12) & 1;
 		sim_data.memory_width = 64;
diff --git a/drivers/gpu/drm/nouveau/dispnv04/hw.c b/drivers/gpu/drm/nouveau/dispnv04/hw.c
index b98599002831..0c9bdf023f5b 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/hw.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/hw.c
@@ -216,12 +216,15 @@ nouveau_hw_get_clock(struct drm_device *dev, enum nvbios_pll_type plltype)
 {
 	struct nvkm_pll_vals pllvals;
 	int ret;
+	int domain;
+
+	domain = pci_domain_nr(dev->pdev->bus);
 
 	if (plltype == PLL_MEMORY &&
 	    (dev->pdev->device & 0x0ff0) == CHIPSET_NFORCE) {
 		uint32_t mpllP;
-
-		pci_read_config_dword(pci_get_bus_and_slot(0, 3), 0x6c, &mpllP);
+		pci_read_config_dword(pci_get_domain_bus_and_slot(domain, 0, 3),
+				      0x6c, &mpllP);
 		mpllP = (mpllP >> 8) & 0xf;
 		if (!mpllP)
 			mpllP = 4;
@@ -232,7 +235,8 @@ nouveau_hw_get_clock(struct drm_device *dev, enum nvbios_pll_type plltype)
 	    (dev->pdev->device & 0xff0) == CHIPSET_NFORCE2) {
 		uint32_t clock;
 
-		pci_read_config_dword(pci_get_bus_and_slot(0, 5), 0x4c, &clock);
+		pci_read_config_dword(pci_get_domain_bus_and_slot(domain, 0, 5),
+				      0x4c, &clock);
 		return clock / 1000;
 	}
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index 56fe261b6268..3e293029e3a6 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -524,7 +524,8 @@ nouveau_get_hdmi_dev(struct nouveau_drm *drm)
 	}
 
 	/* subfunction one is a hdmi audio device? */
-	drm->hdmi_device = pci_get_bus_and_slot((unsigned int)pdev->bus->number,
+	drm->hdmi_device = pci_get_domain_bus_and_slot(pci_domain_nr(pdev->bus),
+						(unsigned int)pdev->bus->number,
 						PCI_DEVFN(PCI_SLOT(pdev->devfn), 1));
 
 	if (!drm->hdmi_device) {
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv1a.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv1a.c
index 4c07d10bb976..18241c6ba5fa 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv1a.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv1a.c
@@ -28,8 +28,16 @@ nv1a_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 {
 	struct pci_dev *bridge;
 	u32 mem, mib;
+	int domain = 0;
+	struct pci_dev *pdev = NULL;
 
-	bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 1));
+	if (dev_is_pci(fb->subdev.device->dev))
+		pdev = to_pci_dev(fb->subdev.device->dev);
+
+	if (pdev)
+		domain = pci_domain_nr(pdev->bus);
+
+	bridge = pci_get_domain_bus_and_slot(domain, 0, PCI_DEVFN(0, 1));
 	if (!bridge) {
 		nvkm_error(&fb->subdev, "no bridge device\n");
 		return -ENODEV;
diff --git a/drivers/ide/sl82c105.c b/drivers/ide/sl82c105.c
index 8755df3330a0..3300dac56390 100644
--- a/drivers/ide/sl82c105.c
+++ b/drivers/ide/sl82c105.c
@@ -239,8 +239,9 @@ static u8 sl82c105_bridge_revision(struct pci_dev *dev)
 	/*
 	 * The bridge should be part of the same device, but function 0.
 	 */
-	bridge = pci_get_bus_and_slot(dev->bus->number,
-			       PCI_DEVFN(PCI_SLOT(dev->devfn), 0));
+	bridge = pci_get_domain_bus_and_slot(pci_domain_nr(dev->bus),
+					dev->bus->number,
+					PCI_DEVFN(PCI_SLOT(dev->devfn), 0));
 	if (!bridge)
 		return -1;
 
diff --git a/drivers/infiniband/hw/qedr/main.c b/drivers/infiniband/hw/qedr/main.c
index 50812b33291b..b3786474e84a 100644
--- a/drivers/infiniband/hw/qedr/main.c
+++ b/drivers/infiniband/hw/qedr/main.c
@@ -430,59 +430,16 @@ static void qedr_remove_sysfiles(struct qedr_dev *dev)
 
 static void qedr_pci_set_atomic(struct qedr_dev *dev, struct pci_dev *pdev)
 {
-	struct pci_dev *bridge;
-	u32 ctl2, cap2;
-	u16 flags;
-	int rc;
-
-	bridge = pdev->bus->self;
-	if (!bridge)
-		goto disable;
-
-	/* Check atomic routing support all the way to root complex */
-	while (bridge->bus->parent) {
-		rc = pcie_capability_read_word(bridge, PCI_EXP_FLAGS, &flags);
-		if (rc || ((flags & PCI_EXP_FLAGS_VERS) < 2))
-			goto disable;
-
-		rc = pcie_capability_read_dword(bridge, PCI_EXP_DEVCAP2, &cap2);
-		if (rc)
-			goto disable;
+	int rc = pci_enable_atomic_ops_to_root(pdev,
+					       PCI_EXP_DEVCAP2_ATOMIC_COMP64);
 
-		rc = pcie_capability_read_dword(bridge, PCI_EXP_DEVCTL2, &ctl2);
-		if (rc)
-			goto disable;
-
-		if (!(cap2 & PCI_EXP_DEVCAP2_ATOMIC_ROUTE) ||
-		    (ctl2 & PCI_EXP_DEVCTL2_ATOMIC_EGRESS_BLOCK))
-			goto disable;
-		bridge = bridge->bus->parent->self;
+	if (rc) {
+		dev->atomic_cap = IB_ATOMIC_NONE;
+		DP_DEBUG(dev, QEDR_MSG_INIT, "Atomic capability disabled\n");
+	} else {
+		dev->atomic_cap = IB_ATOMIC_GLOB;
+		DP_DEBUG(dev, QEDR_MSG_INIT, "Atomic capability enabled\n");
 	}
-
-	rc = pcie_capability_read_word(bridge, PCI_EXP_FLAGS, &flags);
-	if (rc || ((flags & PCI_EXP_FLAGS_VERS) < 2))
-		goto disable;
-
-	rc = pcie_capability_read_dword(bridge, PCI_EXP_DEVCAP2, &cap2);
-	if (rc || !(cap2 & PCI_EXP_DEVCAP2_ATOMIC_COMP64))
-		goto disable;
-
-	/* Set atomic operations */
-	pcie_capability_set_word(pdev, PCI_EXP_DEVCTL2,
-				 PCI_EXP_DEVCTL2_ATOMIC_REQ);
-	dev->atomic_cap = IB_ATOMIC_GLOB;
-
-	DP_DEBUG(dev, QEDR_MSG_INIT, "Atomic capability enabled\n");
-
-	return;
-
-disable:
-	pcie_capability_clear_word(pdev, PCI_EXP_DEVCTL2,
-				   PCI_EXP_DEVCTL2_ATOMIC_REQ);
-	dev->atomic_cap = IB_ATOMIC_NONE;
-
-	DP_DEBUG(dev, QEDR_MSG_INIT, "Atomic capability disabled\n");
-
 }
 
 static const struct qed_rdma_ops *qed_ops;
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 97baf88d9505..fba4ec168bd5 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -527,7 +527,8 @@ static void amd_iommu_report_page_fault(u16 devid, u16 domain_id,
 	struct iommu_dev_data *dev_data = NULL;
 	struct pci_dev *pdev;
 
-	pdev = pci_get_bus_and_slot(PCI_BUS_NUM(devid), devid & 0xff);
+	pdev = pci_get_domain_bus_and_slot(0, PCI_BUS_NUM(devid),
+					   devid & 0xff);
 	if (pdev)
 		dev_data = get_dev_data(&pdev->dev);
 
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index 6fe2d0346073..4e4a615bf13f 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -1697,8 +1697,8 @@ static int iommu_init_pci(struct amd_iommu *iommu)
 	u32 range, misc, low, high;
 	int ret;
 
-	iommu->dev = pci_get_bus_and_slot(PCI_BUS_NUM(iommu->devid),
-					  iommu->devid & 0xff);
+	iommu->dev = pci_get_domain_bus_and_slot(0, PCI_BUS_NUM(iommu->devid),
+						 iommu->devid & 0xff);
 	if (!iommu->dev)
 		return -ENODEV;
 
@@ -1764,8 +1764,9 @@ static int iommu_init_pci(struct amd_iommu *iommu)
 	if (is_rd890_iommu(iommu->dev)) {
 		int i, j;
 
-		iommu->root_pdev = pci_get_bus_and_slot(iommu->dev->bus->number,
-				PCI_DEVFN(0, 0));
+		iommu->root_pdev =
+			pci_get_domain_bus_and_slot(0, iommu->dev->bus->number,
+						    PCI_DEVFN(0, 0));
 
 		/*
 		 * Some rd890 systems may not be fully reconfigured by the
diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index 7d94e1d39e5e..8696382be837 100644
--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -564,7 +564,8 @@ static int ppr_notifier(struct notifier_block *nb, unsigned long e, void *data)
 	finish      = (iommu_fault->tag >> 9) & 1;
 
 	devid = iommu_fault->device_id;
-	pdev = pci_get_bus_and_slot(PCI_BUS_NUM(devid), devid & 0xff);
+	pdev = pci_get_domain_bus_and_slot(0, PCI_BUS_NUM(devid),
+					   devid & 0xff);
 	if (!pdev)
 		return -ENODEV;
 	dev_data = get_dev_data(&pdev->dev);
diff --git a/drivers/irqchip/irq-i8259.c b/drivers/irqchip/irq-i8259.c
index 7aafbb091b67..b0d4aab1a58c 100644
--- a/drivers/irqchip/irq-i8259.c
+++ b/drivers/irqchip/irq-i8259.c
@@ -289,14 +289,14 @@ static struct resource pic1_io_resource = {
 	.name = "pic1",
 	.start = PIC_MASTER_CMD,
 	.end = PIC_MASTER_IMR,
-	.flags = IORESOURCE_BUSY
+	.flags = IORESOURCE_IO | IORESOURCE_BUSY
 };
 
 static struct resource pic2_io_resource = {
 	.name = "pic2",
 	.start = PIC_SLAVE_CMD,
 	.end = PIC_SLAVE_IMR,
-	.flags = IORESOURCE_BUSY
+	.flags = IORESOURCE_IO | IORESOURCE_BUSY
 };
 
 static int i8259A_irq_domain_map(struct irq_domain *d, unsigned int virq,
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index e8b29fc532e1..08849e33c567 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -1799,7 +1799,7 @@ static int powerbook_sleep_grackle(void)
 	struct adb_request req;
 	struct pci_dev *grackle;
 
-	grackle = pci_get_bus_and_slot(0, 0);
+	grackle = pci_get_domain_bus_and_slot(0, 0, 0);
 	if (!grackle)
 		return -ENODEV;
 
diff --git a/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c b/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c
index a142b9dc0feb..ea40a24947ba 100644
--- a/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c
+++ b/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c
@@ -102,7 +102,6 @@ struct ttusb {
 	unsigned int isoc_in_pipe;
 
 	void *iso_buffer;
-	dma_addr_t iso_dma_handle;
 
 	struct urb *iso_urb[ISO_BUF_COUNT];
 
@@ -792,26 +791,17 @@ static void ttusb_free_iso_urbs(struct ttusb *ttusb)
 
 	for (i = 0; i < ISO_BUF_COUNT; i++)
 		usb_free_urb(ttusb->iso_urb[i]);
-
-	pci_free_consistent(NULL,
-			    ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF *
-			    ISO_BUF_COUNT, ttusb->iso_buffer,
-			    ttusb->iso_dma_handle);
+	kfree(ttusb->iso_buffer);
 }
 
 static int ttusb_alloc_iso_urbs(struct ttusb *ttusb)
 {
 	int i;
 
-	ttusb->iso_buffer = pci_zalloc_consistent(NULL,
-						  ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF * ISO_BUF_COUNT,
-						  &ttusb->iso_dma_handle);
-
-	if (!ttusb->iso_buffer) {
-		dprintk("%s: pci_alloc_consistent - not enough memory\n",
-			__func__);
+	ttusb->iso_buffer = kcalloc(FRAMES_PER_ISO_BUF * ISO_BUF_COUNT,
+			ISO_FRAME_SIZE, GFP_KERNEL);
+	if (!ttusb->iso_buffer)
 		return -ENOMEM;
-	}
 
 	for (i = 0; i < ISO_BUF_COUNT; i++) {
 		struct urb *urb;
diff --git a/drivers/media/usb/ttusb-dec/ttusb_dec.c b/drivers/media/usb/ttusb-dec/ttusb_dec.c
index cdefb5dfbbdc..4d5acdf578a6 100644
--- a/drivers/media/usb/ttusb-dec/ttusb_dec.c
+++ b/drivers/media/usb/ttusb-dec/ttusb_dec.c
@@ -127,7 +127,6 @@ struct ttusb_dec {
 	struct urb		*irq_urb;
 	dma_addr_t		irq_dma_handle;
 	void			*iso_buffer;
-	dma_addr_t		iso_dma_handle;
 	struct urb		*iso_urb[ISO_BUF_COUNT];
 	int			iso_stream_count;
 	struct mutex		iso_mutex;
@@ -1185,11 +1184,7 @@ static void ttusb_dec_free_iso_urbs(struct ttusb_dec *dec)
 
 	for (i = 0; i < ISO_BUF_COUNT; i++)
 		usb_free_urb(dec->iso_urb[i]);
-
-	pci_free_consistent(NULL,
-			    ISO_FRAME_SIZE * (FRAMES_PER_ISO_BUF *
-					      ISO_BUF_COUNT),
-			    dec->iso_buffer, dec->iso_dma_handle);
+	kfree(dec->iso_buffer);
 }
 
 static int ttusb_dec_alloc_iso_urbs(struct ttusb_dec *dec)
@@ -1198,15 +1193,10 @@ static int ttusb_dec_alloc_iso_urbs(struct ttusb_dec *dec)
 
 	dprintk("%s\n", __func__);
 
-	dec->iso_buffer = pci_zalloc_consistent(NULL,
-						ISO_FRAME_SIZE * (FRAMES_PER_ISO_BUF * ISO_BUF_COUNT),
-						&dec->iso_dma_handle);
-
-	if (!dec->iso_buffer) {
-		dprintk("%s: pci_alloc_consistent - not enough memory\n",
-			__func__);
+	dec->iso_buffer = kcalloc(FRAMES_PER_ISO_BUF * ISO_BUF_COUNT,
+			ISO_FRAME_SIZE, GFP_KERNEL);
+	if (!dec->iso_buffer)
 		return -ENOMEM;
-	}
 
 	for (i = 0; i < ISO_BUF_COUNT; i++) {
 		struct urb *urb;
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
index 3591077a5f6b..ffa7959f6b31 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
@@ -812,7 +812,7 @@ static u8 bnx2x_vf_is_pcie_pending(struct bnx2x *bp, u8 abs_vfid)
 	if (!vf)
 		return false;
 
-	dev = pci_get_bus_and_slot(vf->bus, vf->devfn);
+	dev = pci_get_domain_bus_and_slot(vf->domain, vf->bus, vf->devfn);
 	if (dev)
 		return bnx2x_is_pcie_pending(dev);
 	return false;
@@ -1041,6 +1041,13 @@ void bnx2x_iov_init_dmae(struct bnx2x *bp)
 		REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0);
 }
 
+static int bnx2x_vf_domain(struct bnx2x *bp, int vfid)
+{
+	struct pci_dev *dev = bp->pdev;
+
+	return pci_domain_nr(dev->bus);
+}
+
 static int bnx2x_vf_bus(struct bnx2x *bp, int vfid)
 {
 	struct pci_dev *dev = bp->pdev;
@@ -1606,6 +1613,7 @@ int bnx2x_iov_nic_init(struct bnx2x *bp)
 		struct bnx2x_virtf *vf = BP_VF(bp, vfid);
 
 		/* fill in the BDF and bars */
+		vf->domain = bnx2x_vf_domain(bp, vfid);
 		vf->bus = bnx2x_vf_bus(bp, vfid);
 		vf->devfn = bnx2x_vf_devfn(bp, vfid);
 		bnx2x_vf_set_bars(bp, vf);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h
index 53466f6cebab..eb814c65152f 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h
@@ -182,6 +182,7 @@ struct bnx2x_virtf {
 	u32 error;	/* 0 means all's-well */
 
 	/* BDF */
+	unsigned int domain;
 	unsigned int bus;
 	unsigned int devfn;
 
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.c
index 7d95f0866fb0..28a81ac97af5 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.c
@@ -143,7 +143,7 @@ int hinic_alloc_cmdq_buf(struct hinic_cmdqs *cmdqs,
 	struct hinic_hwif *hwif = cmdqs->hwif;
 	struct pci_dev *pdev = hwif->pdev;
 
-	cmdq_buf->buf = pci_pool_alloc(cmdqs->cmdq_buf_pool, GFP_KERNEL,
+	cmdq_buf->buf = dma_pool_alloc(cmdqs->cmdq_buf_pool, GFP_KERNEL,
 				       &cmdq_buf->dma_addr);
 	if (!cmdq_buf->buf) {
 		dev_err(&pdev->dev, "Failed to allocate cmd from the pool\n");
@@ -161,7 +161,7 @@ int hinic_alloc_cmdq_buf(struct hinic_cmdqs *cmdqs,
 void hinic_free_cmdq_buf(struct hinic_cmdqs *cmdqs,
 			 struct hinic_cmdq_buf *cmdq_buf)
 {
-	pci_pool_free(cmdqs->cmdq_buf_pool, cmdq_buf->buf, cmdq_buf->dma_addr);
+	dma_pool_free(cmdqs->cmdq_buf_pool, cmdq_buf->buf, cmdq_buf->dma_addr);
 }
 
 static unsigned int cmdq_wqe_size_from_bdlen(enum bufdesc_len len)
@@ -875,7 +875,7 @@ int hinic_init_cmdqs(struct hinic_cmdqs *cmdqs, struct hinic_hwif *hwif,
 	int err;
 
 	cmdqs->hwif = hwif;
-	cmdqs->cmdq_buf_pool = pci_pool_create("hinic_cmdq", pdev,
+	cmdqs->cmdq_buf_pool = dma_pool_create("hinic_cmdq", &pdev->dev,
 					       HINIC_CMDQ_BUF_SIZE,
 					       HINIC_CMDQ_BUF_SIZE, 0);
 	if (!cmdqs->cmdq_buf_pool)
@@ -916,7 +916,7 @@ err_cmdq_wqs:
 	devm_kfree(&pdev->dev, cmdqs->saved_wqs);
 
 err_saved_wqs:
-	pci_pool_destroy(cmdqs->cmdq_buf_pool);
+	dma_pool_destroy(cmdqs->cmdq_buf_pool);
 	return err;
 }
 
@@ -942,5 +942,5 @@ void hinic_free_cmdqs(struct hinic_cmdqs *cmdqs)
 
 	devm_kfree(&pdev->dev, cmdqs->saved_wqs);
 
-	pci_pool_destroy(cmdqs->cmdq_buf_pool);
+	dma_pool_destroy(cmdqs->cmdq_buf_pool);
 }
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.h
index b35583400cb6..23f8d39eab68 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.h
@@ -157,7 +157,7 @@ struct hinic_cmdq {
 struct hinic_cmdqs {
 	struct hinic_hwif       *hwif;
 
-	struct pci_pool         *cmdq_buf_pool;
+	struct dma_pool         *cmdq_buf_pool;
 
 	struct hinic_wq         *saved_wqs;
 
diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c
index 44b3937f7e81..29486478836e 100644
--- a/drivers/net/ethernet/intel/e100.c
+++ b/drivers/net/ethernet/intel/e100.c
@@ -607,7 +607,7 @@ struct nic {
 	struct mem *mem;
 	dma_addr_t dma_addr;
 
-	struct pci_pool *cbs_pool;
+	struct dma_pool *cbs_pool;
 	dma_addr_t cbs_dma_addr;
 	u8 adaptive_ifs;
 	u8 tx_threshold;
@@ -1892,7 +1892,7 @@ static void e100_clean_cbs(struct nic *nic)
 			nic->cb_to_clean = nic->cb_to_clean->next;
 			nic->cbs_avail++;
 		}
-		pci_pool_free(nic->cbs_pool, nic->cbs, nic->cbs_dma_addr);
+		dma_pool_free(nic->cbs_pool, nic->cbs, nic->cbs_dma_addr);
 		nic->cbs = NULL;
 		nic->cbs_avail = 0;
 	}
@@ -1910,7 +1910,7 @@ static int e100_alloc_cbs(struct nic *nic)
 	nic->cb_to_use = nic->cb_to_send = nic->cb_to_clean = NULL;
 	nic->cbs_avail = 0;
 
-	nic->cbs = pci_pool_zalloc(nic->cbs_pool, GFP_KERNEL,
+	nic->cbs = dma_pool_zalloc(nic->cbs_pool, GFP_KERNEL,
 				   &nic->cbs_dma_addr);
 	if (!nic->cbs)
 		return -ENOMEM;
@@ -2960,8 +2960,8 @@ static int e100_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		netif_err(nic, probe, nic->netdev, "Cannot register net device, aborting\n");
 		goto err_out_free;
 	}
-	nic->cbs_pool = pci_pool_create(netdev->name,
-			   nic->pdev,
+	nic->cbs_pool = dma_pool_create(netdev->name,
+			   &nic->pdev->dev,
 			   nic->params.cbs.max * sizeof(struct cb),
 			   sizeof(u32),
 			   0);
@@ -3001,7 +3001,7 @@ static void e100_remove(struct pci_dev *pdev)
 		unregister_netdev(netdev);
 		e100_free(nic);
 		pci_iounmap(pdev, nic->csr);
-		pci_pool_destroy(nic->cbs_pool);
+		dma_pool_destroy(nic->cbs_pool);
 		free_netdev(netdev);
 		pci_release_regions(pdev);
 		pci_disable_device(pdev);
diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
index 40e52ffb732f..7cd494611a74 100644
--- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
+++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
@@ -2594,8 +2594,10 @@ static int pch_gbe_probe(struct pci_dev *pdev,
 	if (adapter->pdata && adapter->pdata->platform_init)
 		adapter->pdata->platform_init(pdev);
 
-	adapter->ptp_pdev = pci_get_bus_and_slot(adapter->pdev->bus->number,
-					       PCI_DEVFN(12, 4));
+	adapter->ptp_pdev =
+		pci_get_domain_bus_and_slot(pci_domain_nr(adapter->pdev->bus),
+					    adapter->pdev->bus->number,
+					    PCI_DEVFN(12, 4));
 
 	netdev->netdev_ops = &pch_gbe_netdev_ops;
 	netdev->watchdog_timeo = PCH_GBE_WATCHDOG_PERIOD;
diff --git a/drivers/net/ethernet/tundra/tsi108_eth.c b/drivers/net/ethernet/tundra/tsi108_eth.c
index 0624b71ab5d4..edcd1e60b30d 100644
--- a/drivers/net/ethernet/tundra/tsi108_eth.c
+++ b/drivers/net/ethernet/tundra/tsi108_eth.c
@@ -152,6 +152,8 @@ struct tsi108_prv_data {
 	u32 msg_enable;			/* debug message level */
 	struct mii_if_info mii_if;
 	unsigned int init_media;
+
+	struct platform_device *pdev;
 };
 
 /* Structure for a device driver */
@@ -703,17 +705,18 @@ static int tsi108_send_packet(struct sk_buff * skb, struct net_device *dev)
 		data->txskbs[tx] = skb;
 
 		if (i == 0) {
-			data->txring[tx].buf0 = dma_map_single(NULL, skb->data,
-					skb_headlen(skb), DMA_TO_DEVICE);
+			data->txring[tx].buf0 = dma_map_single(&data->pdev->dev,
+					skb->data, skb_headlen(skb),
+					DMA_TO_DEVICE);
 			data->txring[tx].len = skb_headlen(skb);
 			misc |= TSI108_TX_SOF;
 		} else {
 			const skb_frag_t *frag = &skb_shinfo(skb)->frags[i - 1];
 
-			data->txring[tx].buf0 = skb_frag_dma_map(NULL, frag,
-								 0,
-								 skb_frag_size(frag),
-								 DMA_TO_DEVICE);
+			data->txring[tx].buf0 =
+				skb_frag_dma_map(&data->pdev->dev, frag,
+						0, skb_frag_size(frag),
+						DMA_TO_DEVICE);
 			data->txring[tx].len = skb_frag_size(frag);
 		}
 
@@ -808,9 +811,9 @@ static int tsi108_refill_rx(struct net_device *dev, int budget)
 		if (!skb)
 			break;
 
-		data->rxring[rx].buf0 = dma_map_single(NULL, skb->data,
-							TSI108_RX_SKB_SIZE,
-							DMA_FROM_DEVICE);
+		data->rxring[rx].buf0 = dma_map_single(&data->pdev->dev,
+				skb->data, TSI108_RX_SKB_SIZE,
+				DMA_FROM_DEVICE);
 
 		/* Sometimes the hardware sets blen to zero after packet
 		 * reception, even though the manual says that it's only ever
@@ -1308,15 +1311,15 @@ static int tsi108_open(struct net_device *dev)
 		       data->id, dev->irq, dev->name);
 	}
 
-	data->rxring = dma_zalloc_coherent(NULL, rxring_size, &data->rxdma,
-					   GFP_KERNEL);
+	data->rxring = dma_zalloc_coherent(&data->pdev->dev, rxring_size,
+			&data->rxdma, GFP_KERNEL);
 	if (!data->rxring)
 		return -ENOMEM;
 
-	data->txring = dma_zalloc_coherent(NULL, txring_size, &data->txdma,
-					   GFP_KERNEL);
+	data->txring = dma_zalloc_coherent(&data->pdev->dev, txring_size,
+			&data->txdma, GFP_KERNEL);
 	if (!data->txring) {
-		pci_free_consistent(NULL, rxring_size, data->rxring,
+		dma_free_coherent(&data->pdev->dev, rxring_size, data->rxring,
 				    data->rxdma);
 		return -ENOMEM;
 	}
@@ -1428,10 +1431,10 @@ static int tsi108_close(struct net_device *dev)
 		dev_kfree_skb(skb);
 	}
 
-	dma_free_coherent(0,
+	dma_free_coherent(&data->pdev->dev,
 			    TSI108_RXRING_LEN * sizeof(rx_desc),
 			    data->rxring, data->rxdma);
-	dma_free_coherent(0,
+	dma_free_coherent(&data->pdev->dev,
 			    TSI108_TXRING_LEN * sizeof(tx_desc),
 			    data->txring, data->txdma);
 
@@ -1576,6 +1579,7 @@ tsi108_init_one(struct platform_device *pdev)
 	printk("tsi108_eth%d: probe...\n", pdev->id);
 	data = netdev_priv(dev);
 	data->dev = dev;
+	data->pdev = pdev;
 
 	pr_debug("tsi108_eth%d:regs:phyresgs:phy:irq_num=0x%x:0x%x:0x%x:0x%x\n",
 			pdev->id, einfo->regs, einfo->phyregs,
diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig
index ad9a9578f9c4..ee244c2e8c2b 100644
--- a/drivers/of/Kconfig
+++ b/drivers/of/Kconfig
@@ -62,10 +62,6 @@ config OF_DYNAMIC
 config OF_ADDRESS
 	def_bool y
 	depends on !SPARC && HAS_IOMEM
-	select OF_ADDRESS_PCI if PCI
-
-config OF_ADDRESS_PCI
-	bool
 
 config OF_IRQ
 	def_bool y
@@ -82,18 +78,6 @@ config OF_MDIO
 	help
 	  OpenFirmware MDIO bus (Ethernet PHY) accessors
 
-config OF_PCI
-	def_tristate PCI
-	depends on PCI
-	help
-	  OpenFirmware PCI bus accessors
-
-config OF_PCI_IRQ
-	def_tristate PCI
-	depends on OF_PCI && OF_IRQ
-	help
-	  OpenFirmware PCI IRQ routing helpers
-
 config OF_RESERVED_MEM
 	depends on OF_EARLY_FLATTREE
 	bool
diff --git a/drivers/of/Makefile b/drivers/of/Makefile
index 63a4be62ce19..663a4af0cccd 100644
--- a/drivers/of/Makefile
+++ b/drivers/of/Makefile
@@ -10,8 +10,6 @@ obj-$(CONFIG_OF_IRQ)    += irq.o
 obj-$(CONFIG_OF_NET)	+= of_net.o
 obj-$(CONFIG_OF_UNITTEST) += unittest.o
 obj-$(CONFIG_OF_MDIO)	+= of_mdio.o
-obj-$(CONFIG_OF_PCI)	+= of_pci.o
-obj-$(CONFIG_OF_PCI_IRQ)  += of_pci_irq.o
 obj-$(CONFIG_OF_RESERVED_MEM) += of_reserved_mem.o
 obj-$(CONFIG_OF_RESOLVE)  += resolver.o
 obj-$(CONFIG_OF_OVERLAY) += overlay.o
diff --git a/drivers/of/address.c b/drivers/of/address.c
index fa6cabfc3cb9..a4984e7364b1 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -96,7 +96,7 @@ static unsigned int of_bus_default_get_flags(const __be32 *addr)
 	return IORESOURCE_MEM;
 }
 
-#ifdef CONFIG_OF_ADDRESS_PCI
+#ifdef CONFIG_PCI
 /*
  * PCI bus specific translator
  */
@@ -171,9 +171,7 @@ static int of_bus_pci_translate(__be32 *addr, u64 offset, int na)
 {
 	return of_bus_default_translate(addr + 1, offset, na - 1);
 }
-#endif /* CONFIG_OF_ADDRESS_PCI */
 
-#ifdef CONFIG_PCI
 const __be32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size,
 			unsigned int *flags)
 {
@@ -361,6 +359,7 @@ invalid_range:
 	res->end = (resource_size_t)OF_BAD_ADDR;
 	return err;
 }
+EXPORT_SYMBOL(of_pci_range_to_resource);
 #endif /* CONFIG_PCI */
 
 /*
@@ -426,7 +425,7 @@ static unsigned int of_bus_isa_get_flags(const __be32 *addr)
  */
 
 static struct of_bus of_busses[] = {
-#ifdef CONFIG_OF_ADDRESS_PCI
+#ifdef CONFIG_PCI
 	/* PCI */
 	{
 		.name = "pci",
@@ -437,7 +436,7 @@ static struct of_bus of_busses[] = {
 		.translate = of_bus_pci_translate,
 		.get_flags = of_bus_pci_get_flags,
 	},
-#endif /* CONFIG_OF_ADDRESS_PCI */
+#endif /* CONFIG_PCI */
 	/* ISA */
 	{
 		.name = "isa",
diff --git a/drivers/of/of_pci.c b/drivers/of/of_pci.c
deleted file mode 100644
index a7b1cb6c2f65..000000000000
--- a/drivers/of/of_pci.c
+++ /dev/null
@@ -1,384 +0,0 @@
-#define pr_fmt(fmt)	"OF: PCI: " fmt
-
-#include <linux/kernel.h>
-#include <linux/export.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_device.h>
-#include <linux/of_pci.h>
-#include <linux/slab.h>
-
-static inline int __of_pci_pci_compare(struct device_node *node,
-				       unsigned int data)
-{
-	int devfn;
-
-	devfn = of_pci_get_devfn(node);
-	if (devfn < 0)
-		return 0;
-
-	return devfn == data;
-}
-
-struct device_node *of_pci_find_child_device(struct device_node *parent,
-					     unsigned int devfn)
-{
-	struct device_node *node, *node2;
-
-	for_each_child_of_node(parent, node) {
-		if (__of_pci_pci_compare(node, devfn))
-			return node;
-		/*
-		 * Some OFs create a parent node "multifunc-device" as
-		 * a fake root for all functions of a multi-function
-		 * device we go down them as well.
-		 */
-		if (!strcmp(node->name, "multifunc-device")) {
-			for_each_child_of_node(node, node2) {
-				if (__of_pci_pci_compare(node2, devfn)) {
-					of_node_put(node);
-					return node2;
-				}
-			}
-		}
-	}
-	return NULL;
-}
-EXPORT_SYMBOL_GPL(of_pci_find_child_device);
-
-/**
- * of_pci_get_devfn() - Get device and function numbers for a device node
- * @np: device node
- *
- * Parses a standard 5-cell PCI resource and returns an 8-bit value that can
- * be passed to the PCI_SLOT() and PCI_FUNC() macros to extract the device
- * and function numbers respectively. On error a negative error code is
- * returned.
- */
-int of_pci_get_devfn(struct device_node *np)
-{
-	u32 reg[5];
-	int error;
-
-	error = of_property_read_u32_array(np, "reg", reg, ARRAY_SIZE(reg));
-	if (error)
-		return error;
-
-	return (reg[0] >> 8) & 0xff;
-}
-EXPORT_SYMBOL_GPL(of_pci_get_devfn);
-
-/**
- * of_pci_parse_bus_range() - parse the bus-range property of a PCI device
- * @node: device node
- * @res: address to a struct resource to return the bus-range
- *
- * Returns 0 on success or a negative error-code on failure.
- */
-int of_pci_parse_bus_range(struct device_node *node, struct resource *res)
-{
-	u32 bus_range[2];
-	int error;
-
-	error = of_property_read_u32_array(node, "bus-range", bus_range,
-					   ARRAY_SIZE(bus_range));
-	if (error)
-		return error;
-
-	res->name = node->name;
-	res->start = bus_range[0];
-	res->end = bus_range[1];
-	res->flags = IORESOURCE_BUS;
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(of_pci_parse_bus_range);
-
-/**
- * This function will try to obtain the host bridge domain number by
- * finding a property called "linux,pci-domain" of the given device node.
- *
- * @node: device tree node with the domain information
- *
- * Returns the associated domain number from DT in the range [0-0xffff], or
- * a negative value if the required property is not found.
- */
-int of_get_pci_domain_nr(struct device_node *node)
-{
-	u32 domain;
-	int error;
-
-	error = of_property_read_u32(node, "linux,pci-domain", &domain);
-	if (error)
-		return error;
-
-	return (u16)domain;
-}
-EXPORT_SYMBOL_GPL(of_get_pci_domain_nr);
-
-/**
- * This function will try to find the limitation of link speed by finding
- * a property called "max-link-speed" of the given device node.
- *
- * @node: device tree node with the max link speed information
- *
- * Returns the associated max link speed from DT, or a negative value if the
- * required property is not found or is invalid.
- */
-int of_pci_get_max_link_speed(struct device_node *node)
-{
-	u32 max_link_speed;
-
-	if (of_property_read_u32(node, "max-link-speed", &max_link_speed) ||
-	    max_link_speed > 4)
-		return -EINVAL;
-
-	return max_link_speed;
-}
-EXPORT_SYMBOL_GPL(of_pci_get_max_link_speed);
-
-/**
- * of_pci_check_probe_only - Setup probe only mode if linux,pci-probe-only
- *                           is present and valid
- */
-void of_pci_check_probe_only(void)
-{
-	u32 val;
-	int ret;
-
-	ret = of_property_read_u32(of_chosen, "linux,pci-probe-only", &val);
-	if (ret) {
-		if (ret == -ENODATA || ret == -EOVERFLOW)
-			pr_warn("linux,pci-probe-only without valid value, ignoring\n");
-		return;
-	}
-
-	if (val)
-		pci_add_flags(PCI_PROBE_ONLY);
-	else
-		pci_clear_flags(PCI_PROBE_ONLY);
-
-	pr_info("PROBE_ONLY %sabled\n", val ? "en" : "dis");
-}
-EXPORT_SYMBOL_GPL(of_pci_check_probe_only);
-
-#if defined(CONFIG_OF_ADDRESS)
-/**
- * of_pci_get_host_bridge_resources - Parse PCI host bridge resources from DT
- * @dev: device node of the host bridge having the range property
- * @busno: bus number associated with the bridge root bus
- * @bus_max: maximum number of buses for this bridge
- * @resources: list where the range of resources will be added after DT parsing
- * @io_base: pointer to a variable that will contain on return the physical
- * address for the start of the I/O range. Can be NULL if the caller doesn't
- * expect IO ranges to be present in the device tree.
- *
- * It is the caller's job to free the @resources list.
- *
- * This function will parse the "ranges" property of a PCI host bridge device
- * node and setup the resource mapping based on its content. It is expected
- * that the property conforms with the Power ePAPR document.
- *
- * It returns zero if the range parsing has been successful or a standard error
- * value if it failed.
- */
-int of_pci_get_host_bridge_resources(struct device_node *dev,
-			unsigned char busno, unsigned char bus_max,
-			struct list_head *resources, resource_size_t *io_base)
-{
-	struct resource_entry *window;
-	struct resource *res;
-	struct resource *bus_range;
-	struct of_pci_range range;
-	struct of_pci_range_parser parser;
-	char range_type[4];
-	int err;
-
-	if (io_base)
-		*io_base = (resource_size_t)OF_BAD_ADDR;
-
-	bus_range = kzalloc(sizeof(*bus_range), GFP_KERNEL);
-	if (!bus_range)
-		return -ENOMEM;
-
-	pr_info("host bridge %pOF ranges:\n", dev);
-
-	err = of_pci_parse_bus_range(dev, bus_range);
-	if (err) {
-		bus_range->start = busno;
-		bus_range->end = bus_max;
-		bus_range->flags = IORESOURCE_BUS;
-		pr_info("  No bus range found for %pOF, using %pR\n",
-			dev, bus_range);
-	} else {
-		if (bus_range->end > bus_range->start + bus_max)
-			bus_range->end = bus_range->start + bus_max;
-	}
-	pci_add_resource(resources, bus_range);
-
-	/* Check for ranges property */
-	err = of_pci_range_parser_init(&parser, dev);
-	if (err)
-		goto parse_failed;
-
-	pr_debug("Parsing ranges property...\n");
-	for_each_of_pci_range(&parser, &range) {
-		/* Read next ranges element */
-		if ((range.flags & IORESOURCE_TYPE_BITS) == IORESOURCE_IO)
-			snprintf(range_type, 4, " IO");
-		else if ((range.flags & IORESOURCE_TYPE_BITS) == IORESOURCE_MEM)
-			snprintf(range_type, 4, "MEM");
-		else
-			snprintf(range_type, 4, "err");
-		pr_info("  %s %#010llx..%#010llx -> %#010llx\n", range_type,
-			range.cpu_addr, range.cpu_addr + range.size - 1,
-			range.pci_addr);
-
-		/*
-		 * If we failed translation or got a zero-sized region
-		 * then skip this range
-		 */
-		if (range.cpu_addr == OF_BAD_ADDR || range.size == 0)
-			continue;
-
-		res = kzalloc(sizeof(struct resource), GFP_KERNEL);
-		if (!res) {
-			err = -ENOMEM;
-			goto parse_failed;
-		}
-
-		err = of_pci_range_to_resource(&range, dev, res);
-		if (err) {
-			kfree(res);
-			continue;
-		}
-
-		if (resource_type(res) == IORESOURCE_IO) {
-			if (!io_base) {
-				pr_err("I/O range found for %pOF. Please provide an io_base pointer to save CPU base address\n",
-					dev);
-				err = -EINVAL;
-				goto conversion_failed;
-			}
-			if (*io_base != (resource_size_t)OF_BAD_ADDR)
-				pr_warn("More than one I/O resource converted for %pOF. CPU base address for old range lost!\n",
-					dev);
-			*io_base = range.cpu_addr;
-		}
-
-		pci_add_resource_offset(resources, res,	res->start - range.pci_addr);
-	}
-
-	return 0;
-
-conversion_failed:
-	kfree(res);
-parse_failed:
-	resource_list_for_each_entry(window, resources)
-		kfree(window->res);
-	pci_free_resource_list(resources);
-	return err;
-}
-EXPORT_SYMBOL_GPL(of_pci_get_host_bridge_resources);
-#endif /* CONFIG_OF_ADDRESS */
-
-/**
- * of_pci_map_rid - Translate a requester ID through a downstream mapping.
- * @np: root complex device node.
- * @rid: PCI requester ID to map.
- * @map_name: property name of the map to use.
- * @map_mask_name: optional property name of the mask to use.
- * @target: optional pointer to a target device node.
- * @id_out: optional pointer to receive the translated ID.
- *
- * Given a PCI requester ID, look up the appropriate implementation-defined
- * platform ID and/or the target device which receives transactions on that
- * ID, as per the "iommu-map" and "msi-map" bindings. Either of @target or
- * @id_out may be NULL if only the other is required. If @target points to
- * a non-NULL device node pointer, only entries targeting that node will be
- * matched; if it points to a NULL value, it will receive the device node of
- * the first matching target phandle, with a reference held.
- *
- * Return: 0 on success or a standard error code on failure.
- */
-int of_pci_map_rid(struct device_node *np, u32 rid,
-		   const char *map_name, const char *map_mask_name,
-		   struct device_node **target, u32 *id_out)
-{
-	u32 map_mask, masked_rid;
-	int map_len;
-	const __be32 *map = NULL;
-
-	if (!np || !map_name || (!target && !id_out))
-		return -EINVAL;
-
-	map = of_get_property(np, map_name, &map_len);
-	if (!map) {
-		if (target)
-			return -ENODEV;
-		/* Otherwise, no map implies no translation */
-		*id_out = rid;
-		return 0;
-	}
-
-	if (!map_len || map_len % (4 * sizeof(*map))) {
-		pr_err("%pOF: Error: Bad %s length: %d\n", np,
-			map_name, map_len);
-		return -EINVAL;
-	}
-
-	/* The default is to select all bits. */
-	map_mask = 0xffffffff;
-
-	/*
-	 * Can be overridden by "{iommu,msi}-map-mask" property.
-	 * If of_property_read_u32() fails, the default is used.
-	 */
-	if (map_mask_name)
-		of_property_read_u32(np, map_mask_name, &map_mask);
-
-	masked_rid = map_mask & rid;
-	for ( ; map_len > 0; map_len -= 4 * sizeof(*map), map += 4) {
-		struct device_node *phandle_node;
-		u32 rid_base = be32_to_cpup(map + 0);
-		u32 phandle = be32_to_cpup(map + 1);
-		u32 out_base = be32_to_cpup(map + 2);
-		u32 rid_len = be32_to_cpup(map + 3);
-
-		if (rid_base & ~map_mask) {
-			pr_err("%pOF: Invalid %s translation - %s-mask (0x%x) ignores rid-base (0x%x)\n",
-				np, map_name, map_name,
-				map_mask, rid_base);
-			return -EFAULT;
-		}
-
-		if (masked_rid < rid_base || masked_rid >= rid_base + rid_len)
-			continue;
-
-		phandle_node = of_find_node_by_phandle(phandle);
-		if (!phandle_node)
-			return -ENODEV;
-
-		if (target) {
-			if (*target)
-				of_node_put(phandle_node);
-			else
-				*target = phandle_node;
-
-			if (*target != phandle_node)
-				continue;
-		}
-
-		if (id_out)
-			*id_out = masked_rid - rid_base + out_base;
-
-		pr_debug("%pOF: %s, using mask %08x, rid-base: %08x, out-base: %08x, length: %08x, rid: %08x -> %08x\n",
-			np, map_name, map_mask, rid_base, out_base,
-			rid_len, rid, masked_rid - rid_base + out_base);
-		return 0;
-	}
-
-	pr_err("%pOF: Invalid %s translation - no match for rid 0x%x on %pOF\n",
-		np, map_name, rid, target && *target ? *target : NULL);
-	return -EFAULT;
-}
diff --git a/drivers/of/of_pci_irq.c b/drivers/of/of_pci_irq.c
deleted file mode 100644
index 3a05568f65df..000000000000
--- a/drivers/of/of_pci_irq.c
+++ /dev/null
@@ -1,131 +0,0 @@
-#include <linux/kernel.h>
-#include <linux/of_pci.h>
-#include <linux/of_irq.h>
-#include <linux/export.h>
-
-/**
- * of_irq_parse_pci - Resolve the interrupt for a PCI device
- * @pdev:       the device whose interrupt is to be resolved
- * @out_irq:    structure of_irq filled by this function
- *
- * This function resolves the PCI interrupt for a given PCI device. If a
- * device-node exists for a given pci_dev, it will use normal OF tree
- * walking. If not, it will implement standard swizzling and walk up the
- * PCI tree until an device-node is found, at which point it will finish
- * resolving using the OF tree walking.
- */
-int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq)
-{
-	struct device_node *dn, *ppnode;
-	struct pci_dev *ppdev;
-	__be32 laddr[3];
-	u8 pin;
-	int rc;
-
-	/* Check if we have a device node, if yes, fallback to standard
-	 * device tree parsing
-	 */
-	dn = pci_device_to_OF_node(pdev);
-	if (dn) {
-		rc = of_irq_parse_one(dn, 0, out_irq);
-		if (!rc)
-			return rc;
-	}
-
-	/* Ok, we don't, time to have fun. Let's start by building up an
-	 * interrupt spec.  we assume #interrupt-cells is 1, which is standard
-	 * for PCI. If you do different, then don't use that routine.
-	 */
-	rc = pci_read_config_byte(pdev, PCI_INTERRUPT_PIN, &pin);
-	if (rc != 0)
-		goto err;
-	/* No pin, exit with no error message. */
-	if (pin == 0)
-		return -ENODEV;
-
-	/* Now we walk up the PCI tree */
-	for (;;) {
-		/* Get the pci_dev of our parent */
-		ppdev = pdev->bus->self;
-
-		/* Ouch, it's a host bridge... */
-		if (ppdev == NULL) {
-			ppnode = pci_bus_to_OF_node(pdev->bus);
-
-			/* No node for host bridge ? give up */
-			if (ppnode == NULL) {
-				rc = -EINVAL;
-				goto err;
-			}
-		} else {
-			/* We found a P2P bridge, check if it has a node */
-			ppnode = pci_device_to_OF_node(ppdev);
-		}
-
-		/* Ok, we have found a parent with a device-node, hand over to
-		 * the OF parsing code.
-		 * We build a unit address from the linux device to be used for
-		 * resolution. Note that we use the linux bus number which may
-		 * not match your firmware bus numbering.
-		 * Fortunately, in most cases, interrupt-map-mask doesn't
-		 * include the bus number as part of the matching.
-		 * You should still be careful about that though if you intend
-		 * to rely on this function (you ship  a firmware that doesn't
-		 * create device nodes for all PCI devices).
-		 */
-		if (ppnode)
-			break;
-
-		/* We can only get here if we hit a P2P bridge with no node,
-		 * let's do standard swizzling and try again
-		 */
-		pin = pci_swizzle_interrupt_pin(pdev, pin);
-		pdev = ppdev;
-	}
-
-	out_irq->np = ppnode;
-	out_irq->args_count = 1;
-	out_irq->args[0] = pin;
-	laddr[0] = cpu_to_be32((pdev->bus->number << 16) | (pdev->devfn << 8));
-	laddr[1] = laddr[2] = cpu_to_be32(0);
-	rc = of_irq_parse_raw(laddr, out_irq);
-	if (rc)
-		goto err;
-	return 0;
-err:
-	if (rc == -ENOENT) {
-		dev_warn(&pdev->dev,
-			"%s: no interrupt-map found, INTx interrupts not available\n",
-			__func__);
-		pr_warn_once("%s: possibly some PCI slots don't have level triggered interrupts capability\n",
-			__func__);
-	} else {
-		dev_err(&pdev->dev, "%s: failed with rc=%d\n", __func__, rc);
-	}
-	return rc;
-}
-EXPORT_SYMBOL_GPL(of_irq_parse_pci);
-
-/**
- * of_irq_parse_and_map_pci() - Decode a PCI irq from the device tree and map to a virq
- * @dev: The pci device needing an irq
- * @slot: PCI slot number; passed when used as map_irq callback. Unused
- * @pin: PCI irq pin number; passed when used as map_irq callback. Unused
- *
- * @slot and @pin are unused, but included in the function so that this
- * function can be used directly as the map_irq callback to
- * pci_assign_irq() and struct pci_host_bridge.map_irq pointer
- */
-int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
-{
-	struct of_phandle_args oirq;
-	int ret;
-
-	ret = of_irq_parse_pci(dev, &oirq);
-	if (ret)
-		return 0; /* Proper return code 0 == NO_IRQ */
-
-	return irq_create_of_mapping(&oirq);
-}
-EXPORT_SYMBOL_GPL(of_irq_parse_and_map_pci);
-
diff --git a/drivers/pci/access.c b/drivers/pci/access.c
index 913d6722ece9..61a45bc0efc8 100644
--- a/drivers/pci/access.c
+++ b/drivers/pci/access.c
@@ -333,8 +333,7 @@ static size_t pci_vpd_size(struct pci_dev *dev, size_t old_size)
 			    (tag == PCI_VPD_LTIN_RW_DATA)) {
 				if (pci_read_vpd(dev, off+1, 2,
 						 &header[1]) != 2) {
-					dev_warn(&dev->dev,
-						 "invalid large VPD tag %02x size at offset %zu",
+					pci_warn(dev, "invalid large VPD tag %02x size at offset %zu",
 						 tag, off + 1);
 					return 0;
 				}
@@ -354,8 +353,7 @@ static size_t pci_vpd_size(struct pci_dev *dev, size_t old_size)
 		if ((tag != PCI_VPD_LTIN_ID_STRING) &&
 		    (tag != PCI_VPD_LTIN_RO_DATA) &&
 		    (tag != PCI_VPD_LTIN_RW_DATA)) {
-			dev_warn(&dev->dev,
-				 "invalid %s VPD tag %02x at offset %zu",
+			pci_warn(dev, "invalid %s VPD tag %02x at offset %zu",
 				 (header[0] & PCI_VPD_LRDT) ? "large" : "short",
 				 tag, off);
 			return 0;
@@ -402,7 +400,7 @@ static int pci_vpd_wait(struct pci_dev *dev)
 			max_sleep *= 2;
 	}
 
-	dev_warn(&dev->dev, "VPD access failed.  This is likely a firmware bug on this device.  Contact the card vendor for a firmware update\n");
+	pci_warn(dev, "VPD access failed.  This is likely a firmware bug on this device.  Contact the card vendor for a firmware update\n");
 	return -ETIMEDOUT;
 }
 
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index bc56cf19afd3..efe61c0fb4cb 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -289,7 +289,7 @@ bool pci_bus_clip_resource(struct pci_dev *dev, int idx)
 		res->end = end;
 		res->flags &= ~IORESOURCE_UNSET;
 		orig_res.flags &= ~IORESOURCE_UNSET;
-		dev_printk(KERN_DEBUG, &dev->dev, "%pR clipped to %pR\n",
+		pci_printk(KERN_DEBUG, dev, "%pR clipped to %pR\n",
 				 &orig_res, res);
 
 		return true;
@@ -325,7 +325,7 @@ void pci_bus_add_device(struct pci_dev *dev)
 	dev->match_driver = true;
 	retval = device_attach(&dev->dev);
 	if (retval < 0 && retval != -EPROBE_DEFER) {
-		dev_warn(&dev->dev, "device attach failed (%d)\n", retval);
+		pci_warn(dev, "device attach failed (%d)\n", retval);
 		pci_proc_detach_device(dev);
 		pci_remove_sysfs_dev_files(dev);
 		return;
diff --git a/drivers/pci/dwc/Kconfig b/drivers/pci/dwc/Kconfig
index 113e09440f85..0fb96c7754de 100644
--- a/drivers/pci/dwc/Kconfig
+++ b/drivers/pci/dwc/Kconfig
@@ -15,39 +15,38 @@ config PCIE_DW_EP
 	select PCIE_DW
 
 config PCI_DRA7XX
-	bool "TI DRA7xx PCIe controller"
-	depends on SOC_DRA7XX || COMPILE_TEST
-	depends on (PCI && PCI_MSI_IRQ_DOMAIN) || PCI_ENDPOINT
-	depends on OF && HAS_IOMEM && TI_PIPE3
-	help
-	 Enables support for the PCIe controller in the DRA7xx SoC. There
-	 are two instances of PCIe controller in DRA7xx. This controller can
-	 work either as EP or RC. In order to enable host-specific features
-	 PCI_DRA7XX_HOST must be selected and in order to enable device-
-	 specific features PCI_DRA7XX_EP must be selected. This uses
-	 the DesignWare core.
-
-if PCI_DRA7XX
+	bool
 
 config PCI_DRA7XX_HOST
-	bool "PCI DRA7xx Host Mode"
-	depends on PCI
-	depends on PCI_MSI_IRQ_DOMAIN
+	bool "TI DRA7xx PCIe controller Host Mode"
+	depends on SOC_DRA7XX || COMPILE_TEST
+	depends on PCI && PCI_MSI_IRQ_DOMAIN
+	depends on OF && HAS_IOMEM && TI_PIPE3
 	select PCIE_DW_HOST
+	select PCI_DRA7XX
 	default y
 	help
-	 Enables support for the PCIe controller in the DRA7xx SoC to work in
-	 host mode.
+	  Enables support for the PCIe controller in the DRA7xx SoC to work in
+	  host mode. There are two instances of PCIe controller in DRA7xx.
+	  This controller can work either as EP or RC. In order to enable
+	  host-specific features PCI_DRA7XX_HOST must be selected and in order
+	  to enable device-specific features PCI_DRA7XX_EP must be selected.
+	  This uses the DesignWare core.
 
 config PCI_DRA7XX_EP
-	bool "PCI DRA7xx Endpoint Mode"
+	bool "TI DRA7xx PCIe controller Endpoint Mode"
+	depends on SOC_DRA7XX || COMPILE_TEST
 	depends on PCI_ENDPOINT
+	depends on OF && HAS_IOMEM && TI_PIPE3
 	select PCIE_DW_EP
+	select PCI_DRA7XX
 	help
-	 Enables support for the PCIe controller in the DRA7xx SoC to work in
-	 endpoint mode.
-
-endif
+	  Enables support for the PCIe controller in the DRA7xx SoC to work in
+	  endpoint mode. There are two instances of PCIe controller in DRA7xx.
+	  This controller can work either as EP or RC. In order to enable
+	  host-specific features PCI_DRA7XX_HOST must be selected and in order
+	  to enable device-specific features PCI_DRA7XX_EP must be selected.
+	  This uses the DesignWare core.
 
 config PCIE_DW_PLAT
 	bool "Platform bus based DesignWare PCIe Controller"
@@ -149,15 +148,28 @@ config PCIE_ARMADA_8K
 	  DesignWare core functions to implement the driver.
 
 config PCIE_ARTPEC6
-	bool "Axis ARTPEC-6 PCIe controller"
-	depends on PCI
+	bool
+
+config PCIE_ARTPEC6_HOST
+	bool "Axis ARTPEC-6 PCIe controller Host Mode"
 	depends on MACH_ARTPEC6
-	depends on PCI_MSI_IRQ_DOMAIN
+	depends on PCI && PCI_MSI_IRQ_DOMAIN
 	select PCIEPORTBUS
 	select PCIE_DW_HOST
+	select PCIE_ARTPEC6
+	help
+	  Enables support for the PCIe controller in the ARTPEC-6 SoC to work in
+	  host mode. This uses the DesignWare core.
+
+config PCIE_ARTPEC6_EP
+	bool "Axis ARTPEC-6 PCIe controller Endpoint Mode"
+	depends on MACH_ARTPEC6
+	depends on PCI_ENDPOINT
+	select PCIE_DW_EP
+	select PCIE_ARTPEC6
 	help
-	  Say Y here to enable PCIe controller support on Axis ARTPEC-6
-	  SoCs.  This PCIe controller uses the DesignWare core.
+	  Enables support for the PCIe controller in the ARTPEC-6 SoC to work in
+	  endpoint mode. This uses the DesignWare core.
 
 config PCIE_KIRIN
 	depends on OF && ARM64
diff --git a/drivers/pci/dwc/Makefile b/drivers/pci/dwc/Makefile
index 41ba499c96ee..a9d8a6fb48e3 100644
--- a/drivers/pci/dwc/Makefile
+++ b/drivers/pci/dwc/Makefile
@@ -3,9 +3,7 @@ obj-$(CONFIG_PCIE_DW) += pcie-designware.o
 obj-$(CONFIG_PCIE_DW_HOST) += pcie-designware-host.o
 obj-$(CONFIG_PCIE_DW_EP) += pcie-designware-ep.o
 obj-$(CONFIG_PCIE_DW_PLAT) += pcie-designware-plat.o
-ifneq ($(filter y,$(CONFIG_PCI_DRA7XX_HOST) $(CONFIG_PCI_DRA7XX_EP)),)
-        obj-$(CONFIG_PCI_DRA7XX) += pci-dra7xx.o
-endif
+obj-$(CONFIG_PCI_DRA7XX) += pci-dra7xx.o
 obj-$(CONFIG_PCI_EXYNOS) += pci-exynos.o
 obj-$(CONFIG_PCI_IMX6) += pci-imx6.o
 obj-$(CONFIG_PCIE_SPEAR13XX) += pcie-spear13xx.o
diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c
index e77a4ceed74c..8bf7c2714db6 100644
--- a/drivers/pci/dwc/pci-dra7xx.c
+++ b/drivers/pci/dwc/pci-dra7xx.c
@@ -110,7 +110,7 @@ static inline void dra7xx_pcie_writel(struct dra7xx_pcie *pcie, u32 offset,
 	writel(value, pcie->base + offset);
 }
 
-static u64 dra7xx_pcie_cpu_addr_fixup(u64 pci_addr)
+static u64 dra7xx_pcie_cpu_addr_fixup(struct dw_pcie *pci, u64 pci_addr)
 {
 	return pci_addr & DRA7XX_CPU_TO_BUS_ADDR;
 }
@@ -226,6 +226,7 @@ static int dra7xx_pcie_intx_map(struct irq_domain *domain, unsigned int irq,
 
 static const struct irq_domain_ops intx_domain_ops = {
 	.map = dra7xx_pcie_intx_map,
+	.xlate = pci_irqd_intx_xlate,
 };
 
 static int dra7xx_pcie_init_irq_domain(struct pcie_port *pp)
@@ -256,7 +257,8 @@ static irqreturn_t dra7xx_pcie_msi_irq_handler(int irq, void *arg)
 	struct dra7xx_pcie *dra7xx = arg;
 	struct dw_pcie *pci = dra7xx->pci;
 	struct pcie_port *pp = &pci->pp;
-	u32 reg;
+	unsigned long reg;
+	u32 virq, bit;
 
 	reg = dra7xx_pcie_readl(dra7xx, PCIECTRL_DRA7XX_CONF_IRQSTATUS_MSI);
 
@@ -268,8 +270,11 @@ static irqreturn_t dra7xx_pcie_msi_irq_handler(int irq, void *arg)
 	case INTB:
 	case INTC:
 	case INTD:
-		generic_handle_irq(irq_find_mapping(dra7xx->irq_domain,
-						    ffs(reg)));
+		for_each_set_bit(bit, &reg, PCI_NUM_INTX) {
+			virq = irq_find_mapping(dra7xx->irq_domain, bit);
+			if (virq)
+				generic_handle_irq(virq);
+		}
 		break;
 	}
 
@@ -337,15 +342,6 @@ static irqreturn_t dra7xx_pcie_irq_handler(int irq, void *arg)
 	return IRQ_HANDLED;
 }
 
-static void dw_pcie_ep_reset_bar(struct dw_pcie *pci, enum pci_barno bar)
-{
-	u32 reg;
-
-	reg = PCI_BASE_ADDRESS_0 + (4 * bar);
-	dw_pcie_writel_dbi2(pci, reg, 0x0);
-	dw_pcie_writel_dbi(pci, reg, 0x0);
-}
-
 static void dra7xx_pcie_ep_init(struct dw_pcie_ep *ep)
 {
 	struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
@@ -470,6 +466,8 @@ static int __init dra7xx_add_pcie_port(struct dra7xx_pcie *dra7xx,
 	if (!pci->dbi_base)
 		return -ENOMEM;
 
+	pp->ops = &dra7xx_pcie_host_ops;
+
 	ret = dw_pcie_host_init(pp);
 	if (ret) {
 		dev_err(dev, "failed to initialize host\n");
@@ -599,7 +597,6 @@ static int __init dra7xx_pcie_probe(struct platform_device *pdev)
 	void __iomem *base;
 	struct resource *res;
 	struct dw_pcie *pci;
-	struct pcie_port *pp;
 	struct dra7xx_pcie *dra7xx;
 	struct device *dev = &pdev->dev;
 	struct device_node *np = dev->of_node;
@@ -627,9 +624,6 @@ static int __init dra7xx_pcie_probe(struct platform_device *pdev)
 	pci->dev = dev;
 	pci->ops = &dw_pcie_ops;
 
-	pp = &pci->pp;
-	pp->ops = &dra7xx_pcie_host_ops;
-
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0) {
 		dev_err(dev, "missing IRQ resource: %d\n", irq);
@@ -705,6 +699,11 @@ static int __init dra7xx_pcie_probe(struct platform_device *pdev)
 
 	switch (mode) {
 	case DW_PCIE_RC_TYPE:
+		if (!IS_ENABLED(CONFIG_PCI_DRA7XX_HOST)) {
+			ret = -ENODEV;
+			goto err_gpio;
+		}
+
 		dra7xx_pcie_writel(dra7xx, PCIECTRL_TI_CONF_DEVICE_TYPE,
 				   DEVICE_TYPE_RC);
 		ret = dra7xx_add_pcie_port(dra7xx, pdev);
@@ -712,6 +711,11 @@ static int __init dra7xx_pcie_probe(struct platform_device *pdev)
 			goto err_gpio;
 		break;
 	case DW_PCIE_EP_TYPE:
+		if (!IS_ENABLED(CONFIG_PCI_DRA7XX_EP)) {
+			ret = -ENODEV;
+			goto err_gpio;
+		}
+
 		dra7xx_pcie_writel(dra7xx, PCIECTRL_TI_CONF_DEVICE_TYPE,
 				   DEVICE_TYPE_EP);
 
@@ -810,7 +814,7 @@ static int dra7xx_pcie_resume_noirq(struct device *dev)
 }
 #endif
 
-void dra7xx_pcie_shutdown(struct platform_device *pdev)
+static void dra7xx_pcie_shutdown(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct dra7xx_pcie *dra7xx = dev_get_drvdata(dev);
diff --git a/drivers/pci/dwc/pci-exynos.c b/drivers/pci/dwc/pci-exynos.c
index 5596fdedbb94..39f08881f9a4 100644
--- a/drivers/pci/dwc/pci-exynos.c
+++ b/drivers/pci/dwc/pci-exynos.c
@@ -55,49 +55,8 @@
 #define PCIE_ELBI_SLV_ARMISC		0x120
 #define PCIE_ELBI_SLV_DBI_ENABLE	BIT(21)
 
-/* PCIe Purple registers */
-#define PCIE_PHY_GLOBAL_RESET		0x000
-#define PCIE_PHY_COMMON_RESET		0x004
-#define PCIE_PHY_CMN_REG		0x008
-#define PCIE_PHY_MAC_RESET		0x00c
-#define PCIE_PHY_PLL_LOCKED		0x010
-#define PCIE_PHY_TRSVREG_RESET		0x020
-#define PCIE_PHY_TRSV_RESET		0x024
-
-/* PCIe PHY registers */
-#define PCIE_PHY_IMPEDANCE		0x004
-#define PCIE_PHY_PLL_DIV_0		0x008
-#define PCIE_PHY_PLL_BIAS		0x00c
-#define PCIE_PHY_DCC_FEEDBACK		0x014
-#define PCIE_PHY_PLL_DIV_1		0x05c
-#define PCIE_PHY_COMMON_POWER		0x064
-#define PCIE_PHY_COMMON_PD_CMN		BIT(3)
-#define PCIE_PHY_TRSV0_EMP_LVL		0x084
-#define PCIE_PHY_TRSV0_DRV_LVL		0x088
-#define PCIE_PHY_TRSV0_RXCDR		0x0ac
-#define PCIE_PHY_TRSV0_POWER		0x0c4
-#define PCIE_PHY_TRSV0_PD_TSV		BIT(7)
-#define PCIE_PHY_TRSV0_LVCC		0x0dc
-#define PCIE_PHY_TRSV1_EMP_LVL		0x144
-#define PCIE_PHY_TRSV1_RXCDR		0x16c
-#define PCIE_PHY_TRSV1_POWER		0x184
-#define PCIE_PHY_TRSV1_PD_TSV		BIT(7)
-#define PCIE_PHY_TRSV1_LVCC		0x19c
-#define PCIE_PHY_TRSV2_EMP_LVL		0x204
-#define PCIE_PHY_TRSV2_RXCDR		0x22c
-#define PCIE_PHY_TRSV2_POWER		0x244
-#define PCIE_PHY_TRSV2_PD_TSV		BIT(7)
-#define PCIE_PHY_TRSV2_LVCC		0x25c
-#define PCIE_PHY_TRSV3_EMP_LVL		0x2c4
-#define PCIE_PHY_TRSV3_RXCDR		0x2ec
-#define PCIE_PHY_TRSV3_POWER		0x304
-#define PCIE_PHY_TRSV3_PD_TSV		BIT(7)
-#define PCIE_PHY_TRSV3_LVCC		0x31c
-
 struct exynos_pcie_mem_res {
 	void __iomem *elbi_base;   /* DT 0th resource: PCIe CTRL */
-	void __iomem *phy_base;    /* DT 1st resource: PHY CTRL */
-	void __iomem *block_base;  /* DT 2nd resource: PHY ADDITIONAL CTRL */
 };
 
 struct exynos_pcie_clk_res {
@@ -112,8 +71,6 @@ struct exynos_pcie {
 	const struct exynos_pcie_ops	*ops;
 	int				reset_gpio;
 
-	/* For Generic PHY Framework */
-	bool				using_phy;
 	struct phy			*phy;
 };
 
@@ -141,20 +98,6 @@ static int exynos5440_pcie_get_mem_resources(struct platform_device *pdev,
 	if (IS_ERR(ep->mem_res->elbi_base))
 		return PTR_ERR(ep->mem_res->elbi_base);
 
-	/* If using the PHY framework, doesn't need to get other resource */
-	if (ep->using_phy)
-		return 0;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	ep->mem_res->phy_base = devm_ioremap_resource(dev, res);
-	if (IS_ERR(ep->mem_res->phy_base))
-		return PTR_ERR(ep->mem_res->phy_base);
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 2);
-	ep->mem_res->block_base = devm_ioremap_resource(dev, res);
-	if (IS_ERR(ep->mem_res->block_base))
-		return PTR_ERR(ep->mem_res->block_base);
-
 	return 0;
 }
 
@@ -279,111 +222,6 @@ static void exynos_pcie_deassert_core_reset(struct exynos_pcie *ep)
 	exynos_pcie_writel(ep->mem_res->elbi_base, 1, PCIE_NONSTICKY_RESET);
 	exynos_pcie_writel(ep->mem_res->elbi_base, 1, PCIE_APP_INIT_RESET);
 	exynos_pcie_writel(ep->mem_res->elbi_base, 0, PCIE_APP_INIT_RESET);
-	exynos_pcie_writel(ep->mem_res->block_base, 1, PCIE_PHY_MAC_RESET);
-}
-
-static void exynos_pcie_assert_phy_reset(struct exynos_pcie *ep)
-{
-	exynos_pcie_writel(ep->mem_res->block_base, 0, PCIE_PHY_MAC_RESET);
-	exynos_pcie_writel(ep->mem_res->block_base, 1, PCIE_PHY_GLOBAL_RESET);
-}
-
-static void exynos_pcie_deassert_phy_reset(struct exynos_pcie *ep)
-{
-	exynos_pcie_writel(ep->mem_res->block_base, 0, PCIE_PHY_GLOBAL_RESET);
-	exynos_pcie_writel(ep->mem_res->elbi_base, 1, PCIE_PWR_RESET);
-	exynos_pcie_writel(ep->mem_res->block_base, 0, PCIE_PHY_COMMON_RESET);
-	exynos_pcie_writel(ep->mem_res->block_base, 0, PCIE_PHY_CMN_REG);
-	exynos_pcie_writel(ep->mem_res->block_base, 0, PCIE_PHY_TRSVREG_RESET);
-	exynos_pcie_writel(ep->mem_res->block_base, 0, PCIE_PHY_TRSV_RESET);
-}
-
-static void exynos_pcie_power_on_phy(struct exynos_pcie *ep)
-{
-	u32 val;
-
-	val = exynos_pcie_readl(ep->mem_res->phy_base, PCIE_PHY_COMMON_POWER);
-	val &= ~PCIE_PHY_COMMON_PD_CMN;
-	exynos_pcie_writel(ep->mem_res->phy_base, val, PCIE_PHY_COMMON_POWER);
-
-	val = exynos_pcie_readl(ep->mem_res->phy_base, PCIE_PHY_TRSV0_POWER);
-	val &= ~PCIE_PHY_TRSV0_PD_TSV;
-	exynos_pcie_writel(ep->mem_res->phy_base, val, PCIE_PHY_TRSV0_POWER);
-
-	val = exynos_pcie_readl(ep->mem_res->phy_base, PCIE_PHY_TRSV1_POWER);
-	val &= ~PCIE_PHY_TRSV1_PD_TSV;
-	exynos_pcie_writel(ep->mem_res->phy_base, val, PCIE_PHY_TRSV1_POWER);
-
-	val = exynos_pcie_readl(ep->mem_res->phy_base, PCIE_PHY_TRSV2_POWER);
-	val &= ~PCIE_PHY_TRSV2_PD_TSV;
-	exynos_pcie_writel(ep->mem_res->phy_base, val, PCIE_PHY_TRSV2_POWER);
-
-	val = exynos_pcie_readl(ep->mem_res->phy_base, PCIE_PHY_TRSV3_POWER);
-	val &= ~PCIE_PHY_TRSV3_PD_TSV;
-	exynos_pcie_writel(ep->mem_res->phy_base, val, PCIE_PHY_TRSV3_POWER);
-}
-
-static void exynos_pcie_power_off_phy(struct exynos_pcie *ep)
-{
-	u32 val;
-
-	val = exynos_pcie_readl(ep->mem_res->phy_base, PCIE_PHY_COMMON_POWER);
-	val |= PCIE_PHY_COMMON_PD_CMN;
-	exynos_pcie_writel(ep->mem_res->phy_base, val, PCIE_PHY_COMMON_POWER);
-
-	val = exynos_pcie_readl(ep->mem_res->phy_base, PCIE_PHY_TRSV0_POWER);
-	val |= PCIE_PHY_TRSV0_PD_TSV;
-	exynos_pcie_writel(ep->mem_res->phy_base, val, PCIE_PHY_TRSV0_POWER);
-
-	val = exynos_pcie_readl(ep->mem_res->phy_base, PCIE_PHY_TRSV1_POWER);
-	val |= PCIE_PHY_TRSV1_PD_TSV;
-	exynos_pcie_writel(ep->mem_res->phy_base, val, PCIE_PHY_TRSV1_POWER);
-
-	val = exynos_pcie_readl(ep->mem_res->phy_base, PCIE_PHY_TRSV2_POWER);
-	val |= PCIE_PHY_TRSV2_PD_TSV;
-	exynos_pcie_writel(ep->mem_res->phy_base, val, PCIE_PHY_TRSV2_POWER);
-
-	val = exynos_pcie_readl(ep->mem_res->phy_base, PCIE_PHY_TRSV3_POWER);
-	val |= PCIE_PHY_TRSV3_PD_TSV;
-	exynos_pcie_writel(ep->mem_res->phy_base, val, PCIE_PHY_TRSV3_POWER);
-}
-
-static void exynos_pcie_init_phy(struct exynos_pcie *ep)
-{
-	/* DCC feedback control off */
-	exynos_pcie_writel(ep->mem_res->phy_base, 0x29, PCIE_PHY_DCC_FEEDBACK);
-
-	/* set TX/RX impedance */
-	exynos_pcie_writel(ep->mem_res->phy_base, 0xd5, PCIE_PHY_IMPEDANCE);
-
-	/* set 50Mhz PHY clock */
-	exynos_pcie_writel(ep->mem_res->phy_base, 0x14, PCIE_PHY_PLL_DIV_0);
-	exynos_pcie_writel(ep->mem_res->phy_base, 0x12, PCIE_PHY_PLL_DIV_1);
-
-	/* set TX Differential output for lane 0 */
-	exynos_pcie_writel(ep->mem_res->phy_base, 0x7f, PCIE_PHY_TRSV0_DRV_LVL);
-
-	/* set TX Pre-emphasis Level Control for lane 0 to minimum */
-	exynos_pcie_writel(ep->mem_res->phy_base, 0x0, PCIE_PHY_TRSV0_EMP_LVL);
-
-	/* set RX clock and data recovery bandwidth */
-	exynos_pcie_writel(ep->mem_res->phy_base, 0xe7, PCIE_PHY_PLL_BIAS);
-	exynos_pcie_writel(ep->mem_res->phy_base, 0x82, PCIE_PHY_TRSV0_RXCDR);
-	exynos_pcie_writel(ep->mem_res->phy_base, 0x82, PCIE_PHY_TRSV1_RXCDR);
-	exynos_pcie_writel(ep->mem_res->phy_base, 0x82, PCIE_PHY_TRSV2_RXCDR);
-	exynos_pcie_writel(ep->mem_res->phy_base, 0x82, PCIE_PHY_TRSV3_RXCDR);
-
-	/* change TX Pre-emphasis Level Control for lanes */
-	exynos_pcie_writel(ep->mem_res->phy_base, 0x39, PCIE_PHY_TRSV0_EMP_LVL);
-	exynos_pcie_writel(ep->mem_res->phy_base, 0x39, PCIE_PHY_TRSV1_EMP_LVL);
-	exynos_pcie_writel(ep->mem_res->phy_base, 0x39, PCIE_PHY_TRSV2_EMP_LVL);
-	exynos_pcie_writel(ep->mem_res->phy_base, 0x39, PCIE_PHY_TRSV3_EMP_LVL);
-
-	/* set LVCC */
-	exynos_pcie_writel(ep->mem_res->phy_base, 0x20, PCIE_PHY_TRSV0_LVCC);
-	exynos_pcie_writel(ep->mem_res->phy_base, 0xa0, PCIE_PHY_TRSV1_LVCC);
-	exynos_pcie_writel(ep->mem_res->phy_base, 0xa0, PCIE_PHY_TRSV2_LVCC);
-	exynos_pcie_writel(ep->mem_res->phy_base, 0xa0, PCIE_PHY_TRSV3_LVCC);
 }
 
 static void exynos_pcie_assert_reset(struct exynos_pcie *ep)
@@ -401,7 +239,6 @@ static int exynos_pcie_establish_link(struct exynos_pcie *ep)
 	struct dw_pcie *pci = ep->pci;
 	struct pcie_port *pp = &pci->pp;
 	struct device *dev = pci->dev;
-	u32 val;
 
 	if (dw_pcie_link_up(pci)) {
 		dev_err(dev, "Link already up\n");
@@ -410,32 +247,13 @@ static int exynos_pcie_establish_link(struct exynos_pcie *ep)
 
 	exynos_pcie_assert_core_reset(ep);
 
-	if (ep->using_phy) {
-		phy_reset(ep->phy);
-
-		exynos_pcie_writel(ep->mem_res->elbi_base, 1,
-				PCIE_PWR_RESET);
-
-		phy_power_on(ep->phy);
-		phy_init(ep->phy);
-	} else {
-		exynos_pcie_assert_phy_reset(ep);
-		exynos_pcie_deassert_phy_reset(ep);
-		exynos_pcie_power_on_phy(ep);
-		exynos_pcie_init_phy(ep);
-
-		/* pulse for common reset */
-		exynos_pcie_writel(ep->mem_res->block_base, 1,
-					PCIE_PHY_COMMON_RESET);
-		udelay(500);
-		exynos_pcie_writel(ep->mem_res->block_base, 0,
-					PCIE_PHY_COMMON_RESET);
-	}
+	phy_reset(ep->phy);
 
-	/* pulse for common reset */
-	exynos_pcie_writel(ep->mem_res->block_base, 1, PCIE_PHY_COMMON_RESET);
-	udelay(500);
-	exynos_pcie_writel(ep->mem_res->block_base, 0, PCIE_PHY_COMMON_RESET);
+	exynos_pcie_writel(ep->mem_res->elbi_base, 1,
+			PCIE_PWR_RESET);
+
+	phy_power_on(ep->phy);
+	phy_init(ep->phy);
 
 	exynos_pcie_deassert_core_reset(ep);
 	dw_pcie_setup_rc(pp);
@@ -449,18 +267,7 @@ static int exynos_pcie_establish_link(struct exynos_pcie *ep)
 	if (!dw_pcie_wait_for_link(pci))
 		return 0;
 
-	if (ep->using_phy) {
-		phy_power_off(ep->phy);
-		return -ETIMEDOUT;
-	}
-
-	while (exynos_pcie_readl(ep->mem_res->phy_base,
-				PCIE_PHY_PLL_LOCKED) == 0) {
-		val = exynos_pcie_readl(ep->mem_res->block_base,
-				PCIE_PHY_PLL_LOCKED);
-		dev_info(dev, "PLL Locked: 0x%x\n", val);
-	}
-	exynos_pcie_power_off_phy(ep);
+	phy_power_off(ep->phy);
 	return -ETIMEDOUT;
 }
 
@@ -678,16 +485,13 @@ static int __init exynos_pcie_probe(struct platform_device *pdev)
 
 	ep->reset_gpio = of_get_named_gpio(np, "reset-gpio", 0);
 
-	/* Assume that controller doesn't use the PHY framework */
-	ep->using_phy = false;
-
 	ep->phy = devm_of_phy_get(dev, np, NULL);
 	if (IS_ERR(ep->phy)) {
 		if (PTR_ERR(ep->phy) == -EPROBE_DEFER)
 			return PTR_ERR(ep->phy);
-		dev_warn(dev, "Use the 'phy' property. Current DT of pci-exynos was deprecated!!\n");
-	} else
-		ep->using_phy = true;
+
+		ep->phy = NULL;
+	}
 
 	if (ep->ops && ep->ops->get_mem_resources) {
 		ret = ep->ops->get_mem_resources(pdev, ep);
@@ -695,7 +499,8 @@ static int __init exynos_pcie_probe(struct platform_device *pdev)
 			return ret;
 	}
 
-	if (ep->ops && ep->ops->get_clk_resources) {
+	if (ep->ops && ep->ops->get_clk_resources &&
+			ep->ops->init_clk_resources) {
 		ret = ep->ops->get_clk_resources(ep);
 		if (ret)
 			return ret;
@@ -713,8 +518,7 @@ static int __init exynos_pcie_probe(struct platform_device *pdev)
 	return 0;
 
 fail_probe:
-	if (ep->using_phy)
-		phy_exit(ep->phy);
+	phy_exit(ep->phy);
 
 	if (ep->ops && ep->ops->deinit_clk_resources)
 		ep->ops->deinit_clk_resources(ep);
diff --git a/drivers/pci/dwc/pci-keystone.c b/drivers/pci/dwc/pci-keystone.c
index 5bee3af47588..39405598b22d 100644
--- a/drivers/pci/dwc/pci-keystone.c
+++ b/drivers/pci/dwc/pci-keystone.c
@@ -178,7 +178,7 @@ static int ks_pcie_get_irq_controller_info(struct keystone_pcie *ks_pcie,
 	}
 
 	/* interrupt controller is in a child node */
-	*np_temp = of_find_node_by_name(np_pcie, controller);
+	*np_temp = of_get_child_by_name(np_pcie, controller);
 	if (!(*np_temp)) {
 		dev_err(dev, "Node for %s is absent\n", controller);
 		return -EINVAL;
@@ -187,6 +187,7 @@ static int ks_pcie_get_irq_controller_info(struct keystone_pcie *ks_pcie,
 	temp = of_irq_count(*np_temp);
 	if (!temp) {
 		dev_err(dev, "No IRQ entries in %s\n", controller);
+		of_node_put(*np_temp);
 		return -EINVAL;
 	}
 
@@ -204,6 +205,8 @@ static int ks_pcie_get_irq_controller_info(struct keystone_pcie *ks_pcie,
 			break;
 	}
 
+	of_node_put(*np_temp);
+
 	if (temp) {
 		*num_irqs = temp;
 		return 0;
diff --git a/drivers/pci/dwc/pcie-artpec6.c b/drivers/pci/dwc/pcie-artpec6.c
index 6653619db6a1..b1e98205110f 100644
--- a/drivers/pci/dwc/pcie-artpec6.c
+++ b/drivers/pci/dwc/pcie-artpec6.c
@@ -13,6 +13,7 @@
 #include <linux/delay.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/of_device.h>
 #include <linux/pci.h>
 #include <linux/platform_device.h>
 #include <linux/resource.h>
@@ -26,44 +27,72 @@
 
 #define to_artpec6_pcie(x)	dev_get_drvdata((x)->dev)
 
+enum artpec_pcie_variants {
+	ARTPEC6,
+	ARTPEC7,
+};
+
 struct artpec6_pcie {
 	struct dw_pcie		*pci;
 	struct regmap		*regmap;	/* DT axis,syscon-pcie */
 	void __iomem		*phy_base;	/* DT phy */
+	enum artpec_pcie_variants variant;
+	enum dw_pcie_device_mode mode;
+};
+
+struct artpec_pcie_of_data {
+	enum artpec_pcie_variants variant;
+	enum dw_pcie_device_mode mode;
 };
 
+static const struct of_device_id artpec6_pcie_of_match[];
+
 /* PCIe Port Logic registers (memory-mapped) */
 #define PL_OFFSET			0x700
-#define PCIE_PHY_DEBUG_R0		(PL_OFFSET + 0x28)
-#define PCIE_PHY_DEBUG_R1		(PL_OFFSET + 0x2c)
 
-#define MISC_CONTROL_1_OFF		(PL_OFFSET + 0x1bc)
-#define  DBI_RO_WR_EN			1
+#define ACK_F_ASPM_CTRL_OFF		(PL_OFFSET + 0xc)
+#define ACK_N_FTS_MASK			GENMASK(15, 8)
+#define ACK_N_FTS(x)			(((x) << 8) & ACK_N_FTS_MASK)
+
+#define FAST_TRAINING_SEQ_MASK		GENMASK(7, 0)
+#define FAST_TRAINING_SEQ(x)		(((x) << 0) & FAST_TRAINING_SEQ_MASK)
 
 /* ARTPEC-6 specific registers */
 #define PCIECFG				0x18
-#define  PCIECFG_DBG_OEN		(1 << 24)
-#define  PCIECFG_CORE_RESET_REQ		(1 << 21)
-#define  PCIECFG_LTSSM_ENABLE		(1 << 20)
-#define  PCIECFG_CLKREQ_B		(1 << 11)
-#define  PCIECFG_REFCLK_ENABLE		(1 << 10)
-#define  PCIECFG_PLL_ENABLE		(1 << 9)
-#define  PCIECFG_PCLK_ENABLE		(1 << 8)
-#define  PCIECFG_RISRCREN		(1 << 4)
-#define  PCIECFG_MODE_TX_DRV_EN		(1 << 3)
-#define  PCIECFG_CISRREN		(1 << 2)
-#define  PCIECFG_MACRO_ENABLE		(1 << 0)
+#define  PCIECFG_DBG_OEN		BIT(24)
+#define  PCIECFG_CORE_RESET_REQ		BIT(21)
+#define  PCIECFG_LTSSM_ENABLE		BIT(20)
+#define  PCIECFG_DEVICE_TYPE_MASK	GENMASK(19, 16)
+#define  PCIECFG_CLKREQ_B		BIT(11)
+#define  PCIECFG_REFCLK_ENABLE		BIT(10)
+#define  PCIECFG_PLL_ENABLE		BIT(9)
+#define  PCIECFG_PCLK_ENABLE		BIT(8)
+#define  PCIECFG_RISRCREN		BIT(4)
+#define  PCIECFG_MODE_TX_DRV_EN		BIT(3)
+#define  PCIECFG_CISRREN		BIT(2)
+#define  PCIECFG_MACRO_ENABLE		BIT(0)
+/* ARTPEC-7 specific fields */
+#define  PCIECFG_REFCLKSEL		BIT(23)
+#define  PCIECFG_NOC_RESET		BIT(3)
+
+#define PCIESTAT			0x1c
+/* ARTPEC-7 specific fields */
+#define  PCIESTAT_EXTREFCLK		BIT(3)
 
 #define NOCCFG				0x40
-#define NOCCFG_ENABLE_CLK_PCIE		(1 << 4)
-#define NOCCFG_POWER_PCIE_IDLEACK	(1 << 3)
-#define NOCCFG_POWER_PCIE_IDLE		(1 << 2)
-#define NOCCFG_POWER_PCIE_IDLEREQ	(1 << 1)
+#define  NOCCFG_ENABLE_CLK_PCIE		BIT(4)
+#define  NOCCFG_POWER_PCIE_IDLEACK	BIT(3)
+#define  NOCCFG_POWER_PCIE_IDLE		BIT(2)
+#define  NOCCFG_POWER_PCIE_IDLEREQ	BIT(1)
 
 #define PHY_STATUS			0x118
-#define PHY_COSPLLLOCK			(1 << 0)
+#define  PHY_COSPLLLOCK			BIT(0)
 
-#define ARTPEC6_CPU_TO_BUS_ADDR		0x0fffffff
+#define PHY_TX_ASIC_OUT			0x4040
+#define  PHY_TX_ASIC_OUT_TX_ACK		BIT(0)
+
+#define PHY_RX_ASIC_OUT			0x405c
+#define  PHY_RX_ASIC_OUT_ACK		BIT(0)
 
 static u32 artpec6_pcie_readl(struct artpec6_pcie *artpec6_pcie, u32 offset)
 {
@@ -78,22 +107,123 @@ static void artpec6_pcie_writel(struct artpec6_pcie *artpec6_pcie, u32 offset, u
 	regmap_write(artpec6_pcie->regmap, offset, val);
 }
 
-static u64 artpec6_pcie_cpu_addr_fixup(u64 pci_addr)
+static u64 artpec6_pcie_cpu_addr_fixup(struct dw_pcie *pci, u64 pci_addr)
 {
-	return pci_addr & ARTPEC6_CPU_TO_BUS_ADDR;
+	struct artpec6_pcie *artpec6_pcie = to_artpec6_pcie(pci);
+	struct pcie_port *pp = &pci->pp;
+	struct dw_pcie_ep *ep = &pci->ep;
+
+	switch (artpec6_pcie->mode) {
+	case DW_PCIE_RC_TYPE:
+		return pci_addr - pp->cfg0_base;
+	case DW_PCIE_EP_TYPE:
+		return pci_addr - ep->phys_base;
+	default:
+		dev_err(pci->dev, "UNKNOWN device type\n");
+	}
+	return pci_addr;
 }
 
-static int artpec6_pcie_establish_link(struct artpec6_pcie *artpec6_pcie)
+static int artpec6_pcie_establish_link(struct dw_pcie *pci)
 {
-	struct dw_pcie *pci = artpec6_pcie->pci;
-	struct pcie_port *pp = &pci->pp;
+	struct artpec6_pcie *artpec6_pcie = to_artpec6_pcie(pci);
+	u32 val;
+
+	val = artpec6_pcie_readl(artpec6_pcie, PCIECFG);
+	val |= PCIECFG_LTSSM_ENABLE;
+	artpec6_pcie_writel(artpec6_pcie, PCIECFG, val);
+
+	return 0;
+}
+
+static void artpec6_pcie_stop_link(struct dw_pcie *pci)
+{
+	struct artpec6_pcie *artpec6_pcie = to_artpec6_pcie(pci);
 	u32 val;
-	unsigned int retries;
 
-	/* Hold DW core in reset */
 	val = artpec6_pcie_readl(artpec6_pcie, PCIECFG);
-	val |= PCIECFG_CORE_RESET_REQ;
+	val &= ~PCIECFG_LTSSM_ENABLE;
 	artpec6_pcie_writel(artpec6_pcie, PCIECFG, val);
+}
+
+static const struct dw_pcie_ops dw_pcie_ops = {
+	.cpu_addr_fixup = artpec6_pcie_cpu_addr_fixup,
+	.start_link = artpec6_pcie_establish_link,
+	.stop_link = artpec6_pcie_stop_link,
+};
+
+static void artpec6_pcie_wait_for_phy_a6(struct artpec6_pcie *artpec6_pcie)
+{
+	struct dw_pcie *pci = artpec6_pcie->pci;
+	struct device *dev = pci->dev;
+	u32 val;
+	unsigned int retries;
+
+	retries = 50;
+	do {
+		usleep_range(1000, 2000);
+		val = artpec6_pcie_readl(artpec6_pcie, NOCCFG);
+		retries--;
+	} while (retries &&
+		(val & (NOCCFG_POWER_PCIE_IDLEACK | NOCCFG_POWER_PCIE_IDLE)));
+	if (!retries)
+		dev_err(dev, "PCIe clock manager did not leave idle state\n");
+
+	retries = 50;
+	do {
+		usleep_range(1000, 2000);
+		val = readl(artpec6_pcie->phy_base + PHY_STATUS);
+		retries--;
+	} while (retries && !(val & PHY_COSPLLLOCK));
+	if (!retries)
+		dev_err(dev, "PHY PLL did not lock\n");
+}
+
+static void artpec6_pcie_wait_for_phy_a7(struct artpec6_pcie *artpec6_pcie)
+{
+	struct dw_pcie *pci = artpec6_pcie->pci;
+	struct device *dev = pci->dev;
+	u32 val;
+	u16 phy_status_tx, phy_status_rx;
+	unsigned int retries;
+
+	retries = 50;
+	do {
+		usleep_range(1000, 2000);
+		val = artpec6_pcie_readl(artpec6_pcie, NOCCFG);
+		retries--;
+	} while (retries &&
+		(val & (NOCCFG_POWER_PCIE_IDLEACK | NOCCFG_POWER_PCIE_IDLE)));
+	if (!retries)
+		dev_err(dev, "PCIe clock manager did not leave idle state\n");
+
+	retries = 50;
+	do {
+		usleep_range(1000, 2000);
+		phy_status_tx = readw(artpec6_pcie->phy_base + PHY_TX_ASIC_OUT);
+		phy_status_rx = readw(artpec6_pcie->phy_base + PHY_RX_ASIC_OUT);
+		retries--;
+	} while (retries && ((phy_status_tx & PHY_TX_ASIC_OUT_TX_ACK) ||
+				(phy_status_rx & PHY_RX_ASIC_OUT_ACK)));
+	if (!retries)
+		dev_err(dev, "PHY did not enter Pn state\n");
+}
+
+static void artpec6_pcie_wait_for_phy(struct artpec6_pcie *artpec6_pcie)
+{
+	switch (artpec6_pcie->variant) {
+	case ARTPEC6:
+		artpec6_pcie_wait_for_phy_a6(artpec6_pcie);
+		break;
+	case ARTPEC7:
+		artpec6_pcie_wait_for_phy_a7(artpec6_pcie);
+		break;
+	}
+}
+
+static void artpec6_pcie_init_phy_a6(struct artpec6_pcie *artpec6_pcie)
+{
+	u32 val;
 
 	val = artpec6_pcie_readl(artpec6_pcie, PCIECFG);
 	val |=  PCIECFG_RISRCREN |	/* Receiver term. 50 Ohm */
@@ -119,45 +249,110 @@ static int artpec6_pcie_establish_link(struct artpec6_pcie *artpec6_pcie)
 	val = artpec6_pcie_readl(artpec6_pcie, NOCCFG);
 	val &= ~NOCCFG_POWER_PCIE_IDLEREQ;
 	artpec6_pcie_writel(artpec6_pcie, NOCCFG, val);
+}
 
-	retries = 50;
-	do {
-		usleep_range(1000, 2000);
-		val = artpec6_pcie_readl(artpec6_pcie, NOCCFG);
-		retries--;
-	} while (retries &&
-		(val & (NOCCFG_POWER_PCIE_IDLEACK | NOCCFG_POWER_PCIE_IDLE)));
+static void artpec6_pcie_init_phy_a7(struct artpec6_pcie *artpec6_pcie)
+{
+	struct dw_pcie *pci = artpec6_pcie->pci;
+	u32 val;
+	bool extrefclk;
 
-	retries = 50;
-	do {
-		usleep_range(1000, 2000);
-		val = readl(artpec6_pcie->phy_base + PHY_STATUS);
-		retries--;
-	} while (retries && !(val & PHY_COSPLLLOCK));
+	/* Check if external reference clock is connected */
+	val = artpec6_pcie_readl(artpec6_pcie, PCIESTAT);
+	extrefclk = !!(val & PCIESTAT_EXTREFCLK);
+	dev_dbg(pci->dev, "Using reference clock: %s\n",
+		extrefclk ? "external" : "internal");
 
-	/* Take DW core out of reset */
 	val = artpec6_pcie_readl(artpec6_pcie, PCIECFG);
-	val &= ~PCIECFG_CORE_RESET_REQ;
+	val |=  PCIECFG_RISRCREN |	/* Receiver term. 50 Ohm */
+		PCIECFG_PCLK_ENABLE;
+	if (extrefclk)
+		val |= PCIECFG_REFCLKSEL;
+	else
+		val &= ~PCIECFG_REFCLKSEL;
 	artpec6_pcie_writel(artpec6_pcie, PCIECFG, val);
-	usleep_range(100, 200);
+	usleep_range(10, 20);
 
-	/* setup root complex */
-	dw_pcie_setup_rc(pp);
+	val = artpec6_pcie_readl(artpec6_pcie, NOCCFG);
+	val |= NOCCFG_ENABLE_CLK_PCIE;
+	artpec6_pcie_writel(artpec6_pcie, NOCCFG, val);
+	usleep_range(20, 30);
+
+	val = artpec6_pcie_readl(artpec6_pcie, NOCCFG);
+	val &= ~NOCCFG_POWER_PCIE_IDLEREQ;
+	artpec6_pcie_writel(artpec6_pcie, NOCCFG, val);
+}
+
+static void artpec6_pcie_init_phy(struct artpec6_pcie *artpec6_pcie)
+{
+	switch (artpec6_pcie->variant) {
+	case ARTPEC6:
+		artpec6_pcie_init_phy_a6(artpec6_pcie);
+		break;
+	case ARTPEC7:
+		artpec6_pcie_init_phy_a7(artpec6_pcie);
+		break;
+	}
+}
+
+static void artpec6_pcie_set_nfts(struct artpec6_pcie *artpec6_pcie)
+{
+	struct dw_pcie *pci = artpec6_pcie->pci;
+	u32 val;
+
+	if (artpec6_pcie->variant != ARTPEC7)
+		return;
+
+	/*
+	 * Increase the N_FTS (Number of Fast Training Sequences)
+	 * to be transmitted when transitioning from L0s to L0.
+	 */
+	val = dw_pcie_readl_dbi(pci, ACK_F_ASPM_CTRL_OFF);
+	val &= ~ACK_N_FTS_MASK;
+	val |= ACK_N_FTS(180);
+	dw_pcie_writel_dbi(pci, ACK_F_ASPM_CTRL_OFF, val);
+
+	/*
+	 * Set the Number of Fast Training Sequences that the core
+	 * advertises as its N_FTS during Gen2 or Gen3 link training.
+	 */
+	val = dw_pcie_readl_dbi(pci, PCIE_LINK_WIDTH_SPEED_CONTROL);
+	val &= ~FAST_TRAINING_SEQ_MASK;
+	val |= FAST_TRAINING_SEQ(180);
+	dw_pcie_writel_dbi(pci, PCIE_LINK_WIDTH_SPEED_CONTROL, val);
+}
+
+static void artpec6_pcie_assert_core_reset(struct artpec6_pcie *artpec6_pcie)
+{
+	u32 val;
 
-	/* assert LTSSM enable */
 	val = artpec6_pcie_readl(artpec6_pcie, PCIECFG);
-	val |= PCIECFG_LTSSM_ENABLE;
+	switch (artpec6_pcie->variant) {
+	case ARTPEC6:
+		val |= PCIECFG_CORE_RESET_REQ;
+		break;
+	case ARTPEC7:
+		val &= ~PCIECFG_NOC_RESET;
+		break;
+	}
 	artpec6_pcie_writel(artpec6_pcie, PCIECFG, val);
+}
 
-	/* check if the link is up or not */
-	if (!dw_pcie_wait_for_link(pci))
-		return 0;
-
-	dev_dbg(pci->dev, "DEBUG_R0: 0x%08x, DEBUG_R1: 0x%08x\n",
-		dw_pcie_readl_dbi(pci, PCIE_PHY_DEBUG_R0),
-		dw_pcie_readl_dbi(pci, PCIE_PHY_DEBUG_R1));
+static void artpec6_pcie_deassert_core_reset(struct artpec6_pcie *artpec6_pcie)
+{
+	u32 val;
 
-	return -ETIMEDOUT;
+	val = artpec6_pcie_readl(artpec6_pcie, PCIECFG);
+	switch (artpec6_pcie->variant) {
+	case ARTPEC6:
+		val &= ~PCIECFG_CORE_RESET_REQ;
+		break;
+	case ARTPEC7:
+		val |= PCIECFG_NOC_RESET;
+		break;
+	}
+	artpec6_pcie_writel(artpec6_pcie, PCIECFG, val);
+	usleep_range(100, 200);
 }
 
 static void artpec6_pcie_enable_interrupts(struct artpec6_pcie *artpec6_pcie)
@@ -174,7 +369,14 @@ static int artpec6_pcie_host_init(struct pcie_port *pp)
 	struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
 	struct artpec6_pcie *artpec6_pcie = to_artpec6_pcie(pci);
 
-	artpec6_pcie_establish_link(artpec6_pcie);
+	artpec6_pcie_assert_core_reset(artpec6_pcie);
+	artpec6_pcie_init_phy(artpec6_pcie);
+	artpec6_pcie_deassert_core_reset(artpec6_pcie);
+	artpec6_pcie_wait_for_phy(artpec6_pcie);
+	artpec6_pcie_set_nfts(artpec6_pcie);
+	dw_pcie_setup_rc(pp);
+	artpec6_pcie_establish_link(pci);
+	dw_pcie_wait_for_link(pci);
 	artpec6_pcie_enable_interrupts(artpec6_pcie);
 
 	return 0;
@@ -230,10 +432,78 @@ static int artpec6_add_pcie_port(struct artpec6_pcie *artpec6_pcie,
 	return 0;
 }
 
-static const struct dw_pcie_ops dw_pcie_ops = {
-	.cpu_addr_fixup = artpec6_pcie_cpu_addr_fixup,
+static void artpec6_pcie_ep_init(struct dw_pcie_ep *ep)
+{
+	struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
+	struct artpec6_pcie *artpec6_pcie = to_artpec6_pcie(pci);
+	enum pci_barno bar;
+
+	artpec6_pcie_assert_core_reset(artpec6_pcie);
+	artpec6_pcie_init_phy(artpec6_pcie);
+	artpec6_pcie_deassert_core_reset(artpec6_pcie);
+	artpec6_pcie_wait_for_phy(artpec6_pcie);
+	artpec6_pcie_set_nfts(artpec6_pcie);
+
+	for (bar = BAR_0; bar <= BAR_5; bar++)
+		dw_pcie_ep_reset_bar(pci, bar);
+}
+
+static int artpec6_pcie_raise_irq(struct dw_pcie_ep *ep,
+				  enum pci_epc_irq_type type, u8 interrupt_num)
+{
+	struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
+
+	switch (type) {
+	case PCI_EPC_IRQ_LEGACY:
+		dev_err(pci->dev, "EP cannot trigger legacy IRQs\n");
+		return -EINVAL;
+	case PCI_EPC_IRQ_MSI:
+		return dw_pcie_ep_raise_msi_irq(ep, interrupt_num);
+	default:
+		dev_err(pci->dev, "UNKNOWN IRQ type\n");
+	}
+
+	return 0;
+}
+
+static struct dw_pcie_ep_ops pcie_ep_ops = {
+	.ep_init = artpec6_pcie_ep_init,
+	.raise_irq = artpec6_pcie_raise_irq,
 };
 
+static int artpec6_add_pcie_ep(struct artpec6_pcie *artpec6_pcie,
+			       struct platform_device *pdev)
+{
+	int ret;
+	struct dw_pcie_ep *ep;
+	struct resource *res;
+	struct device *dev = &pdev->dev;
+	struct dw_pcie *pci = artpec6_pcie->pci;
+
+	ep = &pci->ep;
+	ep->ops = &pcie_ep_ops;
+
+	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dbi2");
+	pci->dbi_base2 = devm_ioremap(dev, res->start, resource_size(res));
+	if (!pci->dbi_base2)
+		return -ENOMEM;
+
+	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "addr_space");
+	if (!res)
+		return -EINVAL;
+
+	ep->phys_base = res->start;
+	ep->addr_size = resource_size(res);
+
+	ret = dw_pcie_ep_init(ep);
+	if (ret) {
+		dev_err(dev, "failed to initialize endpoint\n");
+		return ret;
+	}
+
+	return 0;
+}
+
 static int artpec6_pcie_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
@@ -242,6 +512,18 @@ static int artpec6_pcie_probe(struct platform_device *pdev)
 	struct resource *dbi_base;
 	struct resource *phy_base;
 	int ret;
+	const struct of_device_id *match;
+	const struct artpec_pcie_of_data *data;
+	enum artpec_pcie_variants variant;
+	enum dw_pcie_device_mode mode;
+
+	match = of_match_device(artpec6_pcie_of_match, dev);
+	if (!match)
+		return -EINVAL;
+
+	data = (struct artpec_pcie_of_data *)match->data;
+	variant = (enum artpec_pcie_variants)data->variant;
+	mode = (enum dw_pcie_device_mode)data->mode;
 
 	artpec6_pcie = devm_kzalloc(dev, sizeof(*artpec6_pcie), GFP_KERNEL);
 	if (!artpec6_pcie)
@@ -255,6 +537,8 @@ static int artpec6_pcie_probe(struct platform_device *pdev)
 	pci->ops = &dw_pcie_ops;
 
 	artpec6_pcie->pci = pci;
+	artpec6_pcie->variant = variant;
+	artpec6_pcie->mode = mode;
 
 	dbi_base = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dbi");
 	pci->dbi_base = devm_ioremap_resource(dev, dbi_base);
@@ -274,15 +558,73 @@ static int artpec6_pcie_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, artpec6_pcie);
 
-	ret = artpec6_add_pcie_port(artpec6_pcie, pdev);
-	if (ret < 0)
-		return ret;
+	switch (artpec6_pcie->mode) {
+	case DW_PCIE_RC_TYPE:
+		if (!IS_ENABLED(CONFIG_PCIE_ARTPEC6_HOST))
+			return -ENODEV;
+
+		ret = artpec6_add_pcie_port(artpec6_pcie, pdev);
+		if (ret < 0)
+			return ret;
+		break;
+	case DW_PCIE_EP_TYPE: {
+		u32 val;
+
+		if (!IS_ENABLED(CONFIG_PCIE_ARTPEC6_EP))
+			return -ENODEV;
+
+		val = artpec6_pcie_readl(artpec6_pcie, PCIECFG);
+		val &= ~PCIECFG_DEVICE_TYPE_MASK;
+		artpec6_pcie_writel(artpec6_pcie, PCIECFG, val);
+		ret = artpec6_add_pcie_ep(artpec6_pcie, pdev);
+		if (ret < 0)
+			return ret;
+		break;
+	}
+	default:
+		dev_err(dev, "INVALID device type %d\n", artpec6_pcie->mode);
+	}
 
 	return 0;
 }
 
+static const struct artpec_pcie_of_data artpec6_pcie_rc_of_data = {
+	.variant = ARTPEC6,
+	.mode = DW_PCIE_RC_TYPE,
+};
+
+static const struct artpec_pcie_of_data artpec6_pcie_ep_of_data = {
+	.variant = ARTPEC6,
+	.mode = DW_PCIE_EP_TYPE,
+};
+
+static const struct artpec_pcie_of_data artpec7_pcie_rc_of_data = {
+	.variant = ARTPEC7,
+	.mode = DW_PCIE_RC_TYPE,
+};
+
+static const struct artpec_pcie_of_data artpec7_pcie_ep_of_data = {
+	.variant = ARTPEC7,
+	.mode = DW_PCIE_EP_TYPE,
+};
+
 static const struct of_device_id artpec6_pcie_of_match[] = {
-	{ .compatible = "axis,artpec6-pcie", },
+	{
+		.compatible = "axis,artpec6-pcie",
+		.data = &artpec6_pcie_rc_of_data,
+	},
+	{
+		.compatible = "axis,artpec6-pcie-ep",
+		.data = &artpec6_pcie_ep_of_data,
+	},
+	{
+		.compatible = "axis,artpec7-pcie",
+		.data = &artpec7_pcie_rc_of_data,
+	},
+	{
+		.compatible = "axis,artpec7-pcie-ep",
+		.data = &artpec7_pcie_ep_of_data,
+	},
 	{},
 };
 
diff --git a/drivers/pci/dwc/pcie-designware-ep.c b/drivers/pci/dwc/pcie-designware-ep.c
index d53d5f168363..51344794a0e6 100644
--- a/drivers/pci/dwc/pcie-designware-ep.c
+++ b/drivers/pci/dwc/pcie-designware-ep.c
@@ -30,13 +30,15 @@ void dw_pcie_ep_linkup(struct dw_pcie_ep *ep)
 	pci_epc_linkup(epc);
 }
 
-static void dw_pcie_ep_reset_bar(struct dw_pcie *pci, enum pci_barno bar)
+void dw_pcie_ep_reset_bar(struct dw_pcie *pci, enum pci_barno bar)
 {
 	u32 reg;
 
 	reg = PCI_BASE_ADDRESS_0 + (4 * bar);
+	dw_pcie_dbi_ro_wr_en(pci);
 	dw_pcie_writel_dbi2(pci, reg, 0x0);
 	dw_pcie_writel_dbi(pci, reg, 0x0);
+	dw_pcie_dbi_ro_wr_dis(pci);
 }
 
 static int dw_pcie_ep_write_header(struct pci_epc *epc,
@@ -45,6 +47,7 @@ static int dw_pcie_ep_write_header(struct pci_epc *epc,
 	struct dw_pcie_ep *ep = epc_get_drvdata(epc);
 	struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
 
+	dw_pcie_dbi_ro_wr_en(pci);
 	dw_pcie_writew_dbi(pci, PCI_VENDOR_ID, hdr->vendorid);
 	dw_pcie_writew_dbi(pci, PCI_DEVICE_ID, hdr->deviceid);
 	dw_pcie_writeb_dbi(pci, PCI_REVISION_ID, hdr->revid);
@@ -58,6 +61,7 @@ static int dw_pcie_ep_write_header(struct pci_epc *epc,
 	dw_pcie_writew_dbi(pci, PCI_SUBSYSTEM_ID, hdr->subsys_id);
 	dw_pcie_writeb_dbi(pci, PCI_INTERRUPT_PIN,
 			   hdr->interrupt_pin);
+	dw_pcie_dbi_ro_wr_dis(pci);
 
 	return 0;
 }
@@ -70,8 +74,7 @@ static int dw_pcie_ep_inbound_atu(struct dw_pcie_ep *ep, enum pci_barno bar,
 	u32 free_win;
 	struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
 
-	free_win = find_first_zero_bit(&ep->ib_window_map,
-				       sizeof(ep->ib_window_map));
+	free_win = find_first_zero_bit(ep->ib_window_map, ep->num_ib_windows);
 	if (free_win >= ep->num_ib_windows) {
 		dev_err(pci->dev, "no free inbound window\n");
 		return -EINVAL;
@@ -85,7 +88,7 @@ static int dw_pcie_ep_inbound_atu(struct dw_pcie_ep *ep, enum pci_barno bar,
 	}
 
 	ep->bar_to_atu[bar] = free_win;
-	set_bit(free_win, &ep->ib_window_map);
+	set_bit(free_win, ep->ib_window_map);
 
 	return 0;
 }
@@ -96,8 +99,7 @@ static int dw_pcie_ep_outbound_atu(struct dw_pcie_ep *ep, phys_addr_t phys_addr,
 	u32 free_win;
 	struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
 
-	free_win = find_first_zero_bit(&ep->ob_window_map,
-				       sizeof(ep->ob_window_map));
+	free_win = find_first_zero_bit(ep->ob_window_map, ep->num_ob_windows);
 	if (free_win >= ep->num_ob_windows) {
 		dev_err(pci->dev, "no free outbound window\n");
 		return -EINVAL;
@@ -106,7 +108,7 @@ static int dw_pcie_ep_outbound_atu(struct dw_pcie_ep *ep, phys_addr_t phys_addr,
 	dw_pcie_prog_outbound_atu(pci, free_win, PCIE_ATU_TYPE_MEM,
 				  phys_addr, pci_addr, size);
 
-	set_bit(free_win, &ep->ob_window_map);
+	set_bit(free_win, ep->ob_window_map);
 	ep->outbound_addr[free_win] = phys_addr;
 
 	return 0;
@@ -121,7 +123,7 @@ static void dw_pcie_ep_clear_bar(struct pci_epc *epc, enum pci_barno bar)
 	dw_pcie_ep_reset_bar(pci, bar);
 
 	dw_pcie_disable_atu(pci, atu_index, DW_PCIE_REGION_INBOUND);
-	clear_bit(atu_index, &ep->ib_window_map);
+	clear_bit(atu_index, ep->ib_window_map);
 }
 
 static int dw_pcie_ep_set_bar(struct pci_epc *epc, enum pci_barno bar,
@@ -142,8 +144,10 @@ static int dw_pcie_ep_set_bar(struct pci_epc *epc, enum pci_barno bar,
 	if (ret)
 		return ret;
 
+	dw_pcie_dbi_ro_wr_en(pci);
 	dw_pcie_writel_dbi2(pci, reg, size - 1);
 	dw_pcie_writel_dbi(pci, reg, flags);
+	dw_pcie_dbi_ro_wr_dis(pci);
 
 	return 0;
 }
@@ -175,7 +179,7 @@ static void dw_pcie_ep_unmap_addr(struct pci_epc *epc, phys_addr_t addr)
 		return;
 
 	dw_pcie_disable_atu(pci, atu_index, DW_PCIE_REGION_OUTBOUND);
-	clear_bit(atu_index, &ep->ob_window_map);
+	clear_bit(atu_index, ep->ob_window_map);
 }
 
 static int dw_pcie_ep_map_addr(struct pci_epc *epc, phys_addr_t addr,
@@ -197,20 +201,14 @@ static int dw_pcie_ep_map_addr(struct pci_epc *epc, phys_addr_t addr,
 static int dw_pcie_ep_get_msi(struct pci_epc *epc)
 {
 	int val;
-	u32 lower_addr;
-	u32 upper_addr;
 	struct dw_pcie_ep *ep = epc_get_drvdata(epc);
 	struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
 
-	val = dw_pcie_readb_dbi(pci, MSI_MESSAGE_CONTROL);
-	val = (val & MSI_CAP_MME_MASK) >> MSI_CAP_MME_SHIFT;
-
-	lower_addr = dw_pcie_readl_dbi(pci, MSI_MESSAGE_ADDR_L32);
-	upper_addr = dw_pcie_readl_dbi(pci, MSI_MESSAGE_ADDR_U32);
-
-	if (!(lower_addr || upper_addr))
+	val = dw_pcie_readw_dbi(pci, MSI_MESSAGE_CONTROL);
+	if (!(val & MSI_CAP_MSI_EN_MASK))
 		return -EINVAL;
 
+	val = (val & MSI_CAP_MME_MASK) >> MSI_CAP_MME_SHIFT;
 	return val;
 }
 
@@ -220,8 +218,12 @@ static int dw_pcie_ep_set_msi(struct pci_epc *epc, u8 encode_int)
 	struct dw_pcie_ep *ep = epc_get_drvdata(epc);
 	struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
 
-	val = (encode_int << MSI_CAP_MMC_SHIFT);
+	val = dw_pcie_readw_dbi(pci, MSI_MESSAGE_CONTROL);
+	val &= ~MSI_CAP_MMC_MASK;
+	val |= (encode_int << MSI_CAP_MMC_SHIFT) & MSI_CAP_MMC_MASK;
+	dw_pcie_dbi_ro_wr_en(pci);
 	dw_pcie_writew_dbi(pci, MSI_MESSAGE_CONTROL, val);
+	dw_pcie_dbi_ro_wr_dis(pci);
 
 	return 0;
 }
@@ -272,10 +274,48 @@ static const struct pci_epc_ops epc_ops = {
 	.stop			= dw_pcie_ep_stop,
 };
 
+int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep,
+			     u8 interrupt_num)
+{
+	struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
+	struct pci_epc *epc = ep->epc;
+	u16 msg_ctrl, msg_data;
+	u32 msg_addr_lower, msg_addr_upper;
+	u64 msg_addr;
+	bool has_upper;
+	int ret;
+
+	/* Raise MSI per the PCI Local Bus Specification Revision 3.0, 6.8.1. */
+	msg_ctrl = dw_pcie_readw_dbi(pci, MSI_MESSAGE_CONTROL);
+	has_upper = !!(msg_ctrl & PCI_MSI_FLAGS_64BIT);
+	msg_addr_lower = dw_pcie_readl_dbi(pci, MSI_MESSAGE_ADDR_L32);
+	if (has_upper) {
+		msg_addr_upper = dw_pcie_readl_dbi(pci, MSI_MESSAGE_ADDR_U32);
+		msg_data = dw_pcie_readw_dbi(pci, MSI_MESSAGE_DATA_64);
+	} else {
+		msg_addr_upper = 0;
+		msg_data = dw_pcie_readw_dbi(pci, MSI_MESSAGE_DATA_32);
+	}
+	msg_addr = ((u64) msg_addr_upper) << 32 | msg_addr_lower;
+	ret = dw_pcie_ep_map_addr(epc, ep->msi_mem_phys, msg_addr,
+				  epc->mem->page_size);
+	if (ret)
+		return ret;
+
+	writel(msg_data | (interrupt_num - 1), ep->msi_mem);
+
+	dw_pcie_ep_unmap_addr(epc, ep->msi_mem_phys);
+
+	return 0;
+}
+
 void dw_pcie_ep_exit(struct dw_pcie_ep *ep)
 {
 	struct pci_epc *epc = ep->epc;
 
+	pci_epc_mem_free_addr(epc, ep->msi_mem_phys, ep->msi_mem,
+			      epc->mem->page_size);
+
 	pci_epc_mem_exit(epc);
 }
 
@@ -298,12 +338,32 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep)
 		dev_err(dev, "unable to read *num-ib-windows* property\n");
 		return ret;
 	}
+	if (ep->num_ib_windows > MAX_IATU_IN) {
+		dev_err(dev, "invalid *num-ib-windows*\n");
+		return -EINVAL;
+	}
 
 	ret = of_property_read_u32(np, "num-ob-windows", &ep->num_ob_windows);
 	if (ret < 0) {
 		dev_err(dev, "unable to read *num-ob-windows* property\n");
 		return ret;
 	}
+	if (ep->num_ob_windows > MAX_IATU_OUT) {
+		dev_err(dev, "invalid *num-ob-windows*\n");
+		return -EINVAL;
+	}
+
+	ep->ib_window_map = devm_kzalloc(dev, sizeof(long) *
+					 BITS_TO_LONGS(ep->num_ib_windows),
+					 GFP_KERNEL);
+	if (!ep->ib_window_map)
+		return -ENOMEM;
+
+	ep->ob_window_map = devm_kzalloc(dev, sizeof(long) *
+					 BITS_TO_LONGS(ep->num_ob_windows),
+					 GFP_KERNEL);
+	if (!ep->ob_window_map)
+		return -ENOMEM;
 
 	addr = devm_kzalloc(dev, sizeof(phys_addr_t) * ep->num_ob_windows,
 			    GFP_KERNEL);
@@ -331,6 +391,13 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep)
 		return ret;
 	}
 
+	ep->msi_mem = pci_epc_mem_alloc_addr(epc, &ep->msi_mem_phys,
+					     epc->mem->page_size);
+	if (!ep->msi_mem) {
+		dev_err(dev, "Failed to reserve memory for MSI\n");
+		return -ENOMEM;
+	}
+
 	ep->epc = epc;
 	epc_set_drvdata(epc, ep);
 	dw_pcie_setup(pci);
diff --git a/drivers/pci/dwc/pcie-designware-host.c b/drivers/pci/dwc/pcie-designware-host.c
index 81e2157a7cfb..bf558df5b7b3 100644
--- a/drivers/pci/dwc/pcie-designware-host.c
+++ b/drivers/pci/dwc/pcie-designware-host.c
@@ -83,10 +83,19 @@ irqreturn_t dw_handle_msi_irq(struct pcie_port *pp)
 
 void dw_pcie_msi_init(struct pcie_port *pp)
 {
+	struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
+	struct device *dev = pci->dev;
+	struct page *page;
 	u64 msi_target;
 
-	pp->msi_data = __get_free_pages(GFP_KERNEL, 0);
-	msi_target = virt_to_phys((void *)pp->msi_data);
+	page = alloc_page(GFP_KERNEL);
+	pp->msi_data = dma_map_page(dev, page, 0, PAGE_SIZE, DMA_FROM_DEVICE);
+	if (dma_mapping_error(dev, pp->msi_data)) {
+		dev_err(dev, "failed to map MSI data\n");
+		__free_page(page);
+		return;
+	}
+	msi_target = (u64)pp->msi_data;
 
 	/* program the msi_data */
 	dw_pcie_wr_own_conf(pp, PCIE_MSI_ADDR_LO, 4,
@@ -187,7 +196,7 @@ static void dw_msi_setup_msg(struct pcie_port *pp, unsigned int irq, u32 pos)
 	if (pp->ops->get_msi_addr)
 		msi_target = pp->ops->get_msi_addr(pp);
 	else
-		msi_target = virt_to_phys((void *)pp->msi_data);
+		msi_target = (u64)pp->msi_data;
 
 	msg.address_lo = (u32)(msi_target & 0xffffffff);
 	msg.address_hi = (u32)(msi_target >> 32 & 0xffffffff);
diff --git a/drivers/pci/dwc/pcie-designware.c b/drivers/pci/dwc/pcie-designware.c
index 88abdddee2ad..800be7a4f087 100644
--- a/drivers/pci/dwc/pcie-designware.c
+++ b/drivers/pci/dwc/pcie-designware.c
@@ -149,7 +149,7 @@ void dw_pcie_prog_outbound_atu(struct dw_pcie *pci, int index, int type,
 	u32 retries, val;
 
 	if (pci->ops->cpu_addr_fixup)
-		cpu_addr = pci->ops->cpu_addr_fixup(cpu_addr);
+		cpu_addr = pci->ops->cpu_addr_fixup(pci, cpu_addr);
 
 	if (pci->iatu_unroll_enabled) {
 		dw_pcie_prog_outbound_atu_unroll(pci, index, type, cpu_addr,
diff --git a/drivers/pci/dwc/pcie-designware.h b/drivers/pci/dwc/pcie-designware.h
index e5d9d77b778e..8190465d2a94 100644
--- a/drivers/pci/dwc/pcie-designware.h
+++ b/drivers/pci/dwc/pcie-designware.h
@@ -14,6 +14,7 @@
 #ifndef _PCIE_DESIGNWARE_H
 #define _PCIE_DESIGNWARE_H
 
+#include <linux/dma-mapping.h>
 #include <linux/irq.h>
 #include <linux/msi.h>
 #include <linux/pci.h>
@@ -100,10 +101,14 @@
 
 #define MSI_MESSAGE_CONTROL		0x52
 #define MSI_CAP_MMC_SHIFT		1
+#define MSI_CAP_MMC_MASK		(7 << MSI_CAP_MMC_SHIFT)
 #define MSI_CAP_MME_SHIFT		4
+#define MSI_CAP_MSI_EN_MASK		0x1
 #define MSI_CAP_MME_MASK		(7 << MSI_CAP_MME_SHIFT)
 #define MSI_MESSAGE_ADDR_L32		0x54
 #define MSI_MESSAGE_ADDR_U32		0x58
+#define MSI_MESSAGE_DATA_32		0x58
+#define MSI_MESSAGE_DATA_64		0x5C
 
 /*
  * Maximum number of MSI IRQs can be 256 per controller. But keep
@@ -113,6 +118,10 @@
 #define MAX_MSI_IRQS			32
 #define MAX_MSI_CTRLS			(MAX_MSI_IRQS / 32)
 
+/* Maximum number of inbound/outbound iATUs */
+#define MAX_IATU_IN			256
+#define MAX_IATU_OUT			256
+
 struct pcie_port;
 struct dw_pcie;
 struct dw_pcie_ep;
@@ -168,7 +177,7 @@ struct pcie_port {
 	const struct dw_pcie_host_ops *ops;
 	int			msi_irq;
 	struct irq_domain	*irq_domain;
-	unsigned long		msi_data;
+	dma_addr_t		msi_data;
 	DECLARE_BITMAP(msi_irq_in_use, MAX_MSI_IRQS);
 };
 
@@ -192,14 +201,16 @@ struct dw_pcie_ep {
 	size_t			page_size;
 	u8			bar_to_atu[6];
 	phys_addr_t		*outbound_addr;
-	unsigned long		ib_window_map;
-	unsigned long		ob_window_map;
+	unsigned long		*ib_window_map;
+	unsigned long		*ob_window_map;
 	u32			num_ib_windows;
 	u32			num_ob_windows;
+	void __iomem		*msi_mem;
+	phys_addr_t		msi_mem_phys;
 };
 
 struct dw_pcie_ops {
-	u64	(*cpu_addr_fixup)(u64 cpu_addr);
+	u64	(*cpu_addr_fixup)(struct dw_pcie *pcie, u64 cpu_addr);
 	u32	(*read_dbi)(struct dw_pcie *pcie, void __iomem *base, u32 reg,
 			    size_t size);
 	void	(*write_dbi)(struct dw_pcie *pcie, void __iomem *base, u32 reg,
@@ -334,6 +345,8 @@ static inline int dw_pcie_host_init(struct pcie_port *pp)
 void dw_pcie_ep_linkup(struct dw_pcie_ep *ep);
 int dw_pcie_ep_init(struct dw_pcie_ep *ep);
 void dw_pcie_ep_exit(struct dw_pcie_ep *ep);
+int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep, u8 interrupt_num);
+void dw_pcie_ep_reset_bar(struct dw_pcie *pci, enum pci_barno bar);
 #else
 static inline void dw_pcie_ep_linkup(struct dw_pcie_ep *ep)
 {
@@ -347,5 +360,15 @@ static inline int dw_pcie_ep_init(struct dw_pcie_ep *ep)
 static inline void dw_pcie_ep_exit(struct dw_pcie_ep *ep)
 {
 }
+
+static inline int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep,
+					   u8 interrupt_num)
+{
+	return 0;
+}
+
+static inline void dw_pcie_ep_reset_bar(struct dw_pcie *pci, enum pci_barno bar)
+{
+}
 #endif
 #endif /* _PCIE_DESIGNWARE_H */
diff --git a/drivers/pci/dwc/pcie-qcom.c b/drivers/pci/dwc/pcie-qcom.c
index ce7ba5b7552a..b3adc1074e9e 100644
--- a/drivers/pci/dwc/pcie-qcom.c
+++ b/drivers/pci/dwc/pcie-qcom.c
@@ -171,7 +171,7 @@ struct qcom_pcie {
 	union qcom_pcie_resources res;
 	struct phy *phy;
 	struct gpio_desc *reset;
-	struct qcom_pcie_ops *ops;
+	const struct qcom_pcie_ops *ops;
 };
 
 #define to_qcom_pcie(x)		dev_get_drvdata((x)->dev)
@@ -1234,7 +1234,7 @@ static int qcom_pcie_probe(struct platform_device *pdev)
 
 	pcie->pci = pci;
 
-	pcie->ops = (struct qcom_pcie_ops *)of_device_get_match_data(dev);
+	pcie->ops = of_device_get_match_data(dev);
 
 	pcie->reset = devm_gpiod_get_optional(dev, "perst", GPIOD_OUT_LOW);
 	if (IS_ERR(pcie->reset))
diff --git a/drivers/pci/endpoint/pci-ep-cfs.c b/drivers/pci/endpoint/pci-ep-cfs.c
index 4f74386c1ced..c9a2fb9dd49d 100644
--- a/drivers/pci/endpoint/pci-ep-cfs.c
+++ b/drivers/pci/endpoint/pci-ep-cfs.c
@@ -97,22 +97,23 @@ static int pci_epc_epf_link(struct config_item *epc_item,
 {
 	int ret;
 	u32 func_no = 0;
-	struct pci_epc *epc;
-	struct pci_epf *epf;
 	struct pci_epf_group *epf_group = to_pci_epf_group(epf_item);
 	struct pci_epc_group *epc_group = to_pci_epc_group(epc_item);
-
-	epc = epc_group->epc;
-	epf = epf_group->epf;
-	ret = pci_epc_add_epf(epc, epf);
-	if (ret)
-		goto err_add_epf;
+	struct pci_epc *epc = epc_group->epc;
+	struct pci_epf *epf = epf_group->epf;
 
 	func_no = find_first_zero_bit(&epc_group->function_num_map,
-				      sizeof(epc_group->function_num_map));
+				      BITS_PER_LONG);
+	if (func_no >= BITS_PER_LONG)
+		return -EINVAL;
+
 	set_bit(func_no, &epc_group->function_num_map);
 	epf->func_no = func_no;
 
+	ret = pci_epc_add_epf(epc, epf);
+	if (ret)
+		goto err_add_epf;
+
 	ret = pci_epf_bind(epf);
 	if (ret)
 		goto err_epf_bind;
diff --git a/drivers/pci/endpoint/pci-epc-core.c b/drivers/pci/endpoint/pci-epc-core.c
index 42c2a1156325..cd7d4788b94d 100644
--- a/drivers/pci/endpoint/pci-epc-core.c
+++ b/drivers/pci/endpoint/pci-epc-core.c
@@ -18,7 +18,6 @@
  */
 
 #include <linux/device.h>
-#include <linux/dma-mapping.h>
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/of_device.h>
@@ -371,7 +370,6 @@ EXPORT_SYMBOL_GPL(pci_epc_write_header);
 int pci_epc_add_epf(struct pci_epc *epc, struct pci_epf *epf)
 {
 	unsigned long flags;
-	struct device *dev = epc->dev.parent;
 
 	if (epf->epc)
 		return -EBUSY;
@@ -383,12 +381,6 @@ int pci_epc_add_epf(struct pci_epc *epc, struct pci_epf *epf)
 		return -EINVAL;
 
 	epf->epc = epc;
-	if (dev->of_node) {
-		of_dma_configure(&epf->dev, dev->of_node);
-	} else {
-		dma_set_coherent_mask(&epf->dev, epc->dev.coherent_dma_mask);
-		epf->dev.dma_mask = epc->dev.dma_mask;
-	}
 
 	spin_lock_irqsave(&epc->lock, flags);
 	list_add_tail(&epf->list, &epc->pci_epf);
@@ -503,9 +495,7 @@ __pci_epc_create(struct device *dev, const struct pci_epc_ops *ops,
 	INIT_LIST_HEAD(&epc->pci_epf);
 
 	device_initialize(&epc->dev);
-	dma_set_coherent_mask(&epc->dev, dev->coherent_dma_mask);
 	epc->dev.class = pci_epc_class;
-	epc->dev.dma_mask = dev->dma_mask;
 	epc->dev.parent = dev;
 	epc->ops = ops;
 
diff --git a/drivers/pci/endpoint/pci-epf-core.c b/drivers/pci/endpoint/pci-epf-core.c
index ae1611a62808..95ccc4b8a0a2 100644
--- a/drivers/pci/endpoint/pci-epf-core.c
+++ b/drivers/pci/endpoint/pci-epf-core.c
@@ -99,7 +99,7 @@ EXPORT_SYMBOL_GPL(pci_epf_bind);
  */
 void pci_epf_free_space(struct pci_epf *epf, void *addr, enum pci_barno bar)
 {
-	struct device *dev = &epf->dev;
+	struct device *dev = epf->epc->dev.parent;
 
 	if (!addr)
 		return;
@@ -122,7 +122,7 @@ EXPORT_SYMBOL_GPL(pci_epf_free_space);
 void *pci_epf_alloc_space(struct pci_epf *epf, size_t size, enum pci_barno bar)
 {
 	void *space;
-	struct device *dev = &epf->dev;
+	struct device *dev = epf->epc->dev.parent;
 	dma_addr_t phys_addr;
 
 	if (size < 128)
diff --git a/drivers/pci/host/pci-host-common.c b/drivers/pci/host/pci-host-common.c
index 44a47d4f0b8f..c4b891c84703 100644
--- a/drivers/pci/host/pci-host-common.c
+++ b/drivers/pci/host/pci-host-common.c
@@ -142,7 +142,7 @@ int pci_host_common_probe(struct platform_device *pdev,
 
 	/* Do not reassign resources if probe only */
 	if (!pci_has_flag(PCI_PROBE_ONLY))
-		pci_add_flags(PCI_REASSIGN_ALL_RSRC | PCI_REASSIGN_ALL_BUS);
+		pci_add_flags(PCI_REASSIGN_ALL_BUS);
 
 	list_splice_init(&resources, &bridge->windows);
 	bridge->dev.parent = dev;
diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
index f9d3960dc39f..e4b47ebc91fe 100644
--- a/drivers/pci/host/pci-tegra.c
+++ b/drivers/pci/host/pci-tegra.c
@@ -269,11 +269,10 @@ struct tegra_pcie {
 
 	void __iomem *pads;
 	void __iomem *afi;
+	void __iomem *cfg;
 	int irq;
 
-	struct list_head buses;
-	struct resource *cs;
-
+	struct resource cs;
 	struct resource io;
 	struct resource pio;
 	struct resource mem;
@@ -322,7 +321,6 @@ struct tegra_pcie_port {
 };
 
 struct tegra_pcie_bus {
-	struct vm_struct *area;
 	struct list_head list;
 	unsigned int nr;
 };
@@ -362,109 +360,26 @@ static inline u32 pads_readl(struct tegra_pcie *pcie, unsigned long offset)
  *
  * Mapping the whole extended configuration space would require 256 MiB of
  * virtual address space, only a small part of which will actually be used.
- * To work around this, a 1 MiB of virtual addresses are allocated per bus
- * when the bus is first accessed. When the physical range is mapped, the
- * the bus number bits are hidden so that the extended register number bits
- * appear as bits [19:16]. Therefore the virtual mapping looks like this:
- *
- *    [19:16] extended register number
- *    [15:11] device number
- *    [10: 8] function number
- *    [ 7: 0] register number
  *
- * This is achieved by stitching together 16 chunks of 64 KiB of physical
- * address space via the MMU.
+ * To work around this, a 4 KiB region is used to generate the required
+ * configuration transaction with relevant B:D:F and register offset values.
+ * This is achieved by dynamically programming base address and size of
+ * AFI_AXI_BAR used for end point config space mapping to make sure that the
+ * address (access to which generates correct config transaction) falls in
+ * this 4 KiB region.
  */
-static unsigned long tegra_pcie_conf_offset(unsigned int devfn, int where)
+static unsigned int tegra_pcie_conf_offset(u8 bus, unsigned int devfn,
+					   unsigned int where)
 {
-	return ((where & 0xf00) << 8) | (PCI_SLOT(devfn) << 11) |
-	       (PCI_FUNC(devfn) << 8) | (where & 0xfc);
-}
-
-static struct tegra_pcie_bus *tegra_pcie_bus_alloc(struct tegra_pcie *pcie,
-						   unsigned int busnr)
-{
-	struct device *dev = pcie->dev;
-	pgprot_t prot = pgprot_noncached(PAGE_KERNEL);
-	phys_addr_t cs = pcie->cs->start;
-	struct tegra_pcie_bus *bus;
-	unsigned int i;
-	int err;
-
-	bus = kzalloc(sizeof(*bus), GFP_KERNEL);
-	if (!bus)
-		return ERR_PTR(-ENOMEM);
-
-	INIT_LIST_HEAD(&bus->list);
-	bus->nr = busnr;
-
-	/* allocate 1 MiB of virtual addresses */
-	bus->area = get_vm_area(SZ_1M, VM_IOREMAP);
-	if (!bus->area) {
-		err = -ENOMEM;
-		goto free;
-	}
-
-	/* map each of the 16 chunks of 64 KiB each */
-	for (i = 0; i < 16; i++) {
-		unsigned long virt = (unsigned long)bus->area->addr +
-				     i * SZ_64K;
-		phys_addr_t phys = cs + i * SZ_16M + busnr * SZ_64K;
-
-		err = ioremap_page_range(virt, virt + SZ_64K, phys, prot);
-		if (err < 0) {
-			dev_err(dev, "ioremap_page_range() failed: %d\n", err);
-			goto unmap;
-		}
-	}
-
-	return bus;
-
-unmap:
-	vunmap(bus->area->addr);
-free:
-	kfree(bus);
-	return ERR_PTR(err);
-}
-
-static int tegra_pcie_add_bus(struct pci_bus *bus)
-{
-	struct pci_host_bridge *host = pci_find_host_bridge(bus);
-	struct tegra_pcie *pcie = pci_host_bridge_priv(host);
-	struct tegra_pcie_bus *b;
-
-	b = tegra_pcie_bus_alloc(pcie, bus->number);
-	if (IS_ERR(b))
-		return PTR_ERR(b);
-
-	list_add_tail(&b->list, &pcie->buses);
-
-	return 0;
-}
-
-static void tegra_pcie_remove_bus(struct pci_bus *child)
-{
-	struct pci_host_bridge *host = pci_find_host_bridge(child);
-	struct tegra_pcie *pcie = pci_host_bridge_priv(host);
-	struct tegra_pcie_bus *bus, *tmp;
-
-	list_for_each_entry_safe(bus, tmp, &pcie->buses, list) {
-		if (bus->nr == child->number) {
-			vunmap(bus->area->addr);
-			list_del(&bus->list);
-			kfree(bus);
-			break;
-		}
-	}
+	return ((where & 0xf00) << 16) | (bus << 16) | (PCI_SLOT(devfn) << 11) |
+	       (PCI_FUNC(devfn) << 8) | (where & 0xff);
 }
 
 static void __iomem *tegra_pcie_map_bus(struct pci_bus *bus,
 					unsigned int devfn,
 					int where)
 {
-	struct pci_host_bridge *host = pci_find_host_bridge(bus);
-	struct tegra_pcie *pcie = pci_host_bridge_priv(host);
-	struct device *dev = pcie->dev;
+	struct tegra_pcie *pcie = bus->sysdata;
 	void __iomem *addr = NULL;
 
 	if (bus->number == 0) {
@@ -478,19 +393,17 @@ static void __iomem *tegra_pcie_map_bus(struct pci_bus *bus,
 			}
 		}
 	} else {
-		struct tegra_pcie_bus *b;
+		unsigned int offset;
+		u32 base;
 
-		list_for_each_entry(b, &pcie->buses, list)
-			if (b->nr == bus->number)
-				addr = (void __iomem *)b->area->addr;
+		offset = tegra_pcie_conf_offset(bus->number, devfn, where);
 
-		if (!addr) {
-			dev_err(dev, "failed to map cfg. space for bus %u\n",
-				bus->number);
-			return NULL;
-		}
+		/* move 4 KiB window to offset within the FPCI region */
+		base = 0xfe100000 + ((offset & ~(SZ_4K - 1)) >> 8);
+		afi_writel(pcie, base, AFI_FPCI_BAR0);
 
-		addr += tegra_pcie_conf_offset(devfn, where);
+		/* move to correct offset within the 4 KiB page */
+		addr = pcie->cfg + (offset & (SZ_4K - 1));
 	}
 
 	return addr;
@@ -517,8 +430,6 @@ static int tegra_pcie_config_write(struct pci_bus *bus, unsigned int devfn,
 }
 
 static struct pci_ops tegra_pcie_ops = {
-	.add_bus = tegra_pcie_add_bus,
-	.remove_bus = tegra_pcie_remove_bus,
 	.map_bus = tegra_pcie_map_bus,
 	.read = tegra_pcie_config_read,
 	.write = tegra_pcie_config_write,
@@ -661,8 +572,7 @@ static int tegra_pcie_request_resources(struct tegra_pcie *pcie)
 
 static int tegra_pcie_map_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
 {
-	struct pci_host_bridge *host = pci_find_host_bridge(pdev->bus);
-	struct tegra_pcie *pcie = pci_host_bridge_priv(host);
+	struct tegra_pcie *pcie = pdev->bus->sysdata;
 	int irq;
 
 	tegra_cpuidle_pcie_irqs_in_use();
@@ -743,12 +653,9 @@ static void tegra_pcie_setup_translations(struct tegra_pcie *pcie)
 	u32 fpci_bar, size, axi_address;
 
 	/* Bar 0: type 1 extended configuration space */
-	fpci_bar = 0xfe100000;
-	size = resource_size(pcie->cs);
-	axi_address = pcie->cs->start;
-	afi_writel(pcie, axi_address, AFI_AXI_BAR0_START);
+	size = resource_size(&pcie->cs);
+	afi_writel(pcie, pcie->cs.start, AFI_AXI_BAR0_START);
 	afi_writel(pcie, size >> 12, AFI_AXI_BAR0_SZ);
-	afi_writel(pcie, fpci_bar, AFI_FPCI_BAR0);
 
 	/* Bar 1: downstream IO bar */
 	fpci_bar = 0xfdfc0000;
@@ -1353,10 +1260,14 @@ static int tegra_pcie_get_resources(struct tegra_pcie *pcie)
 		goto poweroff;
 	}
 
-	pcie->cs = devm_request_mem_region(dev, res->start,
-					   resource_size(res), res->name);
-	if (!pcie->cs) {
-		err = -EADDRNOTAVAIL;
+	pcie->cs = *res;
+
+	/* constrain configuration space to 4 KiB */
+	pcie->cs.end = pcie->cs.start + SZ_4K - 1;
+
+	pcie->cfg = devm_ioremap_resource(dev, &pcie->cs);
+	if (IS_ERR(pcie->cfg)) {
+		err = PTR_ERR(pcie->cfg);
 		goto poweroff;
 	}
 
@@ -2345,9 +2256,9 @@ static int tegra_pcie_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	pcie = pci_host_bridge_priv(host);
+	host->sysdata = pcie;
 
 	pcie->soc = of_device_get_match_data(dev);
-	INIT_LIST_HEAD(&pcie->buses);
 	INIT_LIST_HEAD(&pcie->ports);
 	pcie->dev = dev;
 
@@ -2382,7 +2293,6 @@ static int tegra_pcie_probe(struct platform_device *pdev)
 
 	tegra_pcie_enable_ports(pcie);
 
-	pci_add_flags(PCI_REASSIGN_ALL_RSRC | PCI_REASSIGN_ALL_BUS);
 	host->busnr = pcie->busn.start;
 	host->dev.parent = &pdev->dev;
 	host->ops = &tegra_pcie_ops;
diff --git a/drivers/pci/host/pci-versatile.c b/drivers/pci/host/pci-versatile.c
index d417acab0ecf..2a2dfcd68e86 100644
--- a/drivers/pci/host/pci-versatile.c
+++ b/drivers/pci/host/pci-versatile.c
@@ -202,7 +202,7 @@ static int versatile_pci_probe(struct platform_device *pdev)
 	writel(0, versatile_cfg_base[0] + PCI_INTERRUPT_LINE);
 
 	pci_add_flags(PCI_ENABLE_PROC_DOMAINS);
-	pci_add_flags(PCI_REASSIGN_ALL_BUS | PCI_REASSIGN_ALL_RSRC);
+	pci_add_flags(PCI_REASSIGN_ALL_BUS);
 
 	list_splice_init(&pci_res, &bridge->windows);
 	bridge->dev.parent = dev;
diff --git a/drivers/pci/host/pci-xgene.c b/drivers/pci/host/pci-xgene.c
index 465aa2a1b38d..e60c457cefdb 100644
--- a/drivers/pci/host/pci-xgene.c
+++ b/drivers/pci/host/pci-xgene.c
@@ -668,7 +668,6 @@ static int xgene_pcie_probe(struct platform_device *pdev)
 
 	bus = bridge->bus;
 
-	pci_scan_child_bus(bus);
 	pci_assign_unassigned_bus_resources(bus);
 	list_for_each_entry(child, &bus->children, node)
 		pcie_bus_configure_settings(child);
diff --git a/drivers/pci/host/pcie-iproc-platform.c b/drivers/pci/host/pcie-iproc-platform.c
index a5073a921a04..32228d41f746 100644
--- a/drivers/pci/host/pcie-iproc-platform.c
+++ b/drivers/pci/host/pcie-iproc-platform.c
@@ -92,6 +92,13 @@ static int iproc_pcie_pltfm_probe(struct platform_device *pdev)
 		pcie->need_ob_cfg = true;
 	}
 
+	/*
+	 * DT nodes are not used by all platforms that use the iProc PCIe
+	 * core driver. For platforms that require explict inbound mapping
+	 * configuration, "dma-ranges" would have been present in DT
+	 */
+	pcie->need_ib_cfg = of_property_read_bool(np, "dma-ranges");
+
 	/* PHY use is optional */
 	pcie->phy = devm_phy_get(dev, "pcie-phy");
 	if (IS_ERR(pcie->phy)) {
diff --git a/drivers/pci/host/pcie-iproc.c b/drivers/pci/host/pcie-iproc.c
index 935909bbe5c4..75836067f538 100644
--- a/drivers/pci/host/pcie-iproc.c
+++ b/drivers/pci/host/pcie-iproc.c
@@ -1378,9 +1378,11 @@ int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res)
 		}
 	}
 
-	ret = iproc_pcie_map_dma_ranges(pcie);
-	if (ret && ret != -ENOENT)
-		goto err_power_off_phy;
+	if (pcie->need_ib_cfg) {
+		ret = iproc_pcie_map_dma_ranges(pcie);
+		if (ret && ret != -ENOENT)
+			goto err_power_off_phy;
+	}
 
 #ifdef CONFIG_ARM
 	pcie->sysdata.private_data = pcie;
diff --git a/drivers/pci/host/pcie-iproc.h b/drivers/pci/host/pcie-iproc.h
index a6b55cec9a66..4ac6282f2bfd 100644
--- a/drivers/pci/host/pcie-iproc.h
+++ b/drivers/pci/host/pcie-iproc.h
@@ -74,6 +74,7 @@ struct iproc_msi;
  * @ob: outbound mapping related parameters
  * @ob_map: outbound mapping related parameters specific to the controller
  *
+ * @need_ib_cfg: indicates SW needs to configure the inbound mapping window
  * @ib: inbound mapping related parameters
  * @ib_map: outbound mapping region related parameters
  *
@@ -101,6 +102,7 @@ struct iproc_pcie {
 	struct iproc_pcie_ob ob;
 	const struct iproc_pcie_ob_map *ob_map;
 
+	bool need_ib_cfg;
 	struct iproc_pcie_ib ib;
 	const struct iproc_pcie_ib_map *ib_map;
 
diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c
index 52ab3cb0a0bf..afe7d68dc27e 100644
--- a/drivers/pci/host/pcie-rcar.c
+++ b/drivers/pci/host/pcie-rcar.c
@@ -459,7 +459,7 @@ static int rcar_pcie_enable(struct rcar_pcie *pcie)
 
 	rcar_pcie_setup(&bridge->windows, pcie);
 
-	pci_add_flags(PCI_REASSIGN_ALL_RSRC | PCI_REASSIGN_ALL_BUS);
+	pci_add_flags(PCI_REASSIGN_ALL_BUS);
 
 	bridge->dev.parent = dev;
 	bridge->sysdata = pcie;
@@ -1123,7 +1123,9 @@ static int rcar_pcie_probe(struct platform_device *pdev)
 
 	INIT_LIST_HEAD(&pcie->resources);
 
-	rcar_pcie_parse_request_of_pci_ranges(pcie);
+	err = rcar_pcie_parse_request_of_pci_ranges(pcie);
+	if (err)
+		goto err_free_bridge;
 
 	err = rcar_pcie_get_resources(pcie);
 	if (err < 0) {
@@ -1178,6 +1180,7 @@ err_pm_disable:
 
 err_free_resource_list:
 	pci_free_resource_list(&pcie->resources);
+err_free_bridge:
 	pci_free_host_bridge(bridge);
 
 	return err;
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 5db6f1839dad..96f5b986454a 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -811,10 +811,8 @@ void acpiphp_enumerate_slots(struct pci_bus *bus)
 
 	handle = adev->handle;
 	bridge = kzalloc(sizeof(struct acpiphp_bridge), GFP_KERNEL);
-	if (!bridge) {
-		acpi_handle_err(handle, "No memory for bridge object\n");
+	if (!bridge)
 		return;
-	}
 
 	INIT_LIST_HEAD(&bridge->slots);
 	kref_init(&bridge->ref);
diff --git a/drivers/pci/hotplug/cpqphp_core.c b/drivers/pci/hotplug/cpqphp_core.c
index 70967ac75265..27a562618d7f 100644
--- a/drivers/pci/hotplug/cpqphp_core.c
+++ b/drivers/pci/hotplug/cpqphp_core.c
@@ -835,7 +835,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	bus = pdev->subordinate;
 	if (!bus) {
-		dev_notice(&pdev->dev, "the device is not a bridge, skipping\n");
+		pci_notice(pdev, "the device is not a bridge, skipping\n");
 		rc = -ENODEV;
 		goto err_disable_device;
 	}
@@ -883,7 +883,6 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	ctrl = kzalloc(sizeof(struct controller), GFP_KERNEL);
 	if (!ctrl) {
-		err("%s : out of memory\n", __func__);
 		rc = -ENOMEM;
 		goto err_disable_device;
 	}
diff --git a/drivers/pci/hotplug/cpqphp_pci.c b/drivers/pci/hotplug/cpqphp_pci.c
index e220d49307bd..8897a7775b8c 100644
--- a/drivers/pci/hotplug/cpqphp_pci.c
+++ b/drivers/pci/hotplug/cpqphp_pci.c
@@ -89,7 +89,9 @@ int cpqhp_configure_device(struct controller *ctrl, struct pci_func *func)
 	pci_lock_rescan_remove();
 
 	if (func->pci_dev == NULL)
-		func->pci_dev = pci_get_bus_and_slot(func->bus, PCI_DEVFN(func->device, func->function));
+		func->pci_dev = pci_get_domain_bus_and_slot(0, func->bus,
+							PCI_DEVFN(func->device,
+							func->function));
 
 	/* No pci device, we need to create it then */
 	if (func->pci_dev == NULL) {
@@ -99,7 +101,9 @@ int cpqhp_configure_device(struct controller *ctrl, struct pci_func *func)
 		if (num)
 			pci_bus_add_devices(ctrl->pci_dev->bus);
 
-		func->pci_dev = pci_get_bus_and_slot(func->bus, PCI_DEVFN(func->device, func->function));
+		func->pci_dev = pci_get_domain_bus_and_slot(0, func->bus,
+							PCI_DEVFN(func->device,
+							func->function));
 		if (func->pci_dev == NULL) {
 			dbg("ERROR: pci_dev still null\n");
 			goto out;
@@ -129,7 +133,10 @@ int cpqhp_unconfigure_device(struct pci_func *func)
 
 	pci_lock_rescan_remove();
 	for (j = 0; j < 8 ; j++) {
-		struct pci_dev *temp = pci_get_bus_and_slot(func->bus, PCI_DEVFN(func->device, j));
+		struct pci_dev *temp = pci_get_domain_bus_and_slot(0,
+							func->bus,
+							PCI_DEVFN(func->device,
+							j));
 		if (temp) {
 			pci_dev_put(temp);
 			pci_stop_and_remove_bus_device(temp);
@@ -319,6 +326,7 @@ int cpqhp_save_config(struct controller *ctrl, int busnumber, int is_hot_plug)
 	int cloop = 0;
 	int stop_it;
 	int index;
+	u16 devfn;
 
 	/* Decide which slots are supported */
 
@@ -416,7 +424,9 @@ int cpqhp_save_config(struct controller *ctrl, int busnumber, int is_hot_plug)
 			new_slot->switch_save = 0x10;
 			/* In case of unsupported board */
 			new_slot->status = DevError;
-			new_slot->pci_dev = pci_get_bus_and_slot(new_slot->bus, (new_slot->device << 3) | new_slot->function);
+			devfn = (new_slot->device << 3) | new_slot->function;
+			new_slot->pci_dev = pci_get_domain_bus_and_slot(0,
+							new_slot->bus, devfn);
 
 			for (cloop = 0; cloop < 0x20; cloop++) {
 				rc = pci_bus_read_config_dword(ctrl->pci_bus, PCI_DEVFN(device, function), cloop << 2, (u32 *) &(new_slot->config_space[cloop]));
diff --git a/drivers/pci/hotplug/ibmphp_core.c b/drivers/pci/hotplug/ibmphp_core.c
index 73cf84645c82..4985e681e48f 100644
--- a/drivers/pci/hotplug/ibmphp_core.c
+++ b/drivers/pci/hotplug/ibmphp_core.c
@@ -603,10 +603,8 @@ int ibmphp_update_slot_info(struct slot *slot_cur)
 	u8 mode;
 
 	info = kmalloc(sizeof(struct hotplug_slot_info), GFP_KERNEL);
-	if (!info) {
-		err("out of system memory\n");
+	if (!info)
 		return -ENOMEM;
-	}
 
 	info->power_status = SLOT_PWRGD(slot_cur->status);
 	info->attention_status = SLOT_ATTN(slot_cur->status,
@@ -707,7 +705,8 @@ static void ibm_unconfigure_device(struct pci_func *func)
 	pci_lock_rescan_remove();
 
 	for (j = 0; j < 0x08; j++) {
-		temp = pci_get_bus_and_slot(func->busno, (func->device << 3) | j);
+		temp = pci_get_domain_bus_and_slot(0, func->busno,
+						   (func->device << 3) | j);
 		if (temp) {
 			pci_stop_and_remove_bus_device(temp);
 			pci_dev_put(temp);
@@ -734,14 +733,12 @@ static u8 bus_structure_fixup(u8 busno)
 		return 1;
 
 	bus = kmalloc(sizeof(*bus), GFP_KERNEL);
-	if (!bus) {
-		err("%s - out of memory\n", __func__);
+	if (!bus)
 		return 1;
-	}
+
 	dev = kmalloc(sizeof(*dev), GFP_KERNEL);
 	if (!dev) {
 		kfree(bus);
-		err("%s - out of memory\n", __func__);
 		return 1;
 	}
 
@@ -780,7 +777,7 @@ static int ibm_configure_device(struct pci_func *func)
 	if (!(bus_structure_fixup(func->busno)))
 		flag = 1;
 	if (func->dev == NULL)
-		func->dev = pci_get_bus_and_slot(func->busno,
+		func->dev = pci_get_domain_bus_and_slot(0, func->busno,
 				PCI_DEVFN(func->device, func->function));
 
 	if (func->dev == NULL) {
@@ -793,7 +790,7 @@ static int ibm_configure_device(struct pci_func *func)
 		if (num)
 			pci_bus_add_devices(bus);
 
-		func->dev = pci_get_bus_and_slot(func->busno,
+		func->dev = pci_get_domain_bus_and_slot(0, func->busno,
 				PCI_DEVFN(func->device, func->function));
 		if (func->dev == NULL) {
 			err("ERROR... : pci_dev still NULL\n");
@@ -1101,7 +1098,6 @@ static int enable_slot(struct hotplug_slot *hs)
 	if (!slot_cur->func) {
 		/* We cannot do update_slot_info here, since no memory for
 		 * kmalloc n.e.ways, and update_slot_info allocates some */
-		err("out of system memory\n");
 		rc = -ENOMEM;
 		goto error_power;
 	}
@@ -1208,7 +1204,6 @@ int ibmphp_do_disable_slot(struct slot *slot_cur)
 		/* We need this for functions that were there on bootup */
 		slot_cur->func = kzalloc(sizeof(struct pci_func), GFP_KERNEL);
 		if (!slot_cur->func) {
-			err("out of system memory\n");
 			rc = -ENOMEM;
 			goto error;
 		}
@@ -1306,7 +1301,6 @@ static int __init ibmphp_init(void)
 
 	ibmphp_pci_bus = kmalloc(sizeof(*ibmphp_pci_bus), GFP_KERNEL);
 	if (!ibmphp_pci_bus) {
-		err("out of memory\n");
 		rc = -ENOMEM;
 		goto exit;
 	}
diff --git a/drivers/pci/hotplug/ibmphp_pci.c b/drivers/pci/hotplug/ibmphp_pci.c
index 25edd0b18b75..c7ce7d8cf998 100644
--- a/drivers/pci/hotplug/ibmphp_pci.c
+++ b/drivers/pci/hotplug/ibmphp_pci.c
@@ -167,10 +167,9 @@ int ibmphp_configure_card(struct pci_func *func, u8 slotno)
 						goto error;
 					}
 					newfunc = kzalloc(sizeof(*newfunc), GFP_KERNEL);
-					if (!newfunc) {
-						err("out of system memory\n");
+					if (!newfunc)
 						return -ENOMEM;
-					}
+
 					newfunc->busno = cur_func->busno;
 					newfunc->device = device;
 					cur_func->next = newfunc;
@@ -205,10 +204,9 @@ int ibmphp_configure_card(struct pci_func *func, u8 slotno)
 					for (i = 0; i < 32; i++) {
 						if (func->devices[i]) {
 							newfunc = kzalloc(sizeof(*newfunc), GFP_KERNEL);
-							if (!newfunc) {
-								err("out of system memory\n");
+							if (!newfunc)
 								return -ENOMEM;
-							}
+
 							newfunc->busno = sec_number;
 							newfunc->device = (u8) i;
 							for (j = 0; j < 4; j++)
@@ -233,10 +231,9 @@ int ibmphp_configure_card(struct pci_func *func, u8 slotno)
 					}
 
 					newfunc = kzalloc(sizeof(*newfunc), GFP_KERNEL);
-					if (!newfunc) {
-						err("out of system memory\n");
+					if (!newfunc)
 						return -ENOMEM;
-					}
+
 					newfunc->busno = cur_func->busno;
 					newfunc->device = device;
 					for (j = 0; j < 4; j++)
@@ -279,10 +276,9 @@ int ibmphp_configure_card(struct pci_func *func, u8 slotno)
 						if (func->devices[i]) {
 							debug("inside for loop, device is %x\n", i);
 							newfunc = kzalloc(sizeof(*newfunc), GFP_KERNEL);
-							if (!newfunc) {
-								err(" out of system memory\n");
+							if (!newfunc)
 								return -ENOMEM;
-							}
+
 							newfunc->busno = sec_number;
 							newfunc->device = (u8) i;
 							for (j = 0; j < 4; j++)
@@ -405,10 +401,9 @@ static int configure_device(struct pci_func *func)
 
 			io[count] = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
 
-			if (!io[count]) {
-				err("out of system memory\n");
+			if (!io[count])
 				return -ENOMEM;
-			}
+
 			io[count]->type = IO;
 			io[count]->busno = func->busno;
 			io[count]->devfunc = PCI_DEVFN(func->device, func->function);
@@ -442,10 +437,9 @@ static int configure_device(struct pci_func *func)
 				debug("len[count] in PFMEM %x, count %d\n", len[count], count);
 
 				pfmem[count] = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
-				if (!pfmem[count]) {
-					err("out of system memory\n");
+				if (!pfmem[count])
 					return -ENOMEM;
-				}
+
 				pfmem[count]->type = PFMEM;
 				pfmem[count]->busno = func->busno;
 				pfmem[count]->devfunc = PCI_DEVFN(func->device,
@@ -458,7 +452,6 @@ static int configure_device(struct pci_func *func)
 				} else {
 					mem_tmp = kzalloc(sizeof(*mem_tmp), GFP_KERNEL);
 					if (!mem_tmp) {
-						err("out of system memory\n");
 						kfree(pfmem[count]);
 						return -ENOMEM;
 					}
@@ -508,10 +501,9 @@ static int configure_device(struct pci_func *func)
 				debug("len[count] in Mem %x, count %d\n", len[count], count);
 
 				mem[count] = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
-				if (!mem[count]) {
-					err("out of system memory\n");
+				if (!mem[count])
 					return -ENOMEM;
-				}
+
 				mem[count]->type = MEM;
 				mem[count]->busno = func->busno;
 				mem[count]->devfunc = PCI_DEVFN(func->device,
@@ -674,7 +666,6 @@ static int configure_bridge(struct pci_func **func_passed, u8 slotno)
 			bus_io[count] = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
 
 			if (!bus_io[count]) {
-				err("out of system memory\n");
 				retval = -ENOMEM;
 				goto error;
 			}
@@ -706,7 +697,6 @@ static int configure_bridge(struct pci_func **func_passed, u8 slotno)
 
 				bus_pfmem[count] = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
 				if (!bus_pfmem[count]) {
-					err("out of system memory\n");
 					retval = -ENOMEM;
 					goto error;
 				}
@@ -722,7 +712,6 @@ static int configure_bridge(struct pci_func **func_passed, u8 slotno)
 				} else {
 					mem_tmp = kzalloc(sizeof(*mem_tmp), GFP_KERNEL);
 					if (!mem_tmp) {
-						err("out of system memory\n");
 						retval = -ENOMEM;
 						goto error;
 					}
@@ -763,7 +752,6 @@ static int configure_bridge(struct pci_func **func_passed, u8 slotno)
 
 				bus_mem[count] = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
 				if (!bus_mem[count]) {
-					err("out of system memory\n");
 					retval = -ENOMEM;
 					goto error;
 				}
@@ -834,7 +822,6 @@ static int configure_bridge(struct pci_func **func_passed, u8 slotno)
 		io = kzalloc(sizeof(*io), GFP_KERNEL);
 
 		if (!io) {
-			err("out of system memory\n");
 			retval = -ENOMEM;
 			goto error;
 		}
@@ -856,7 +843,6 @@ static int configure_bridge(struct pci_func **func_passed, u8 slotno)
 		debug("it wants %x memory behind the bridge\n", amount_needed->mem);
 		mem = kzalloc(sizeof(*mem), GFP_KERNEL);
 		if (!mem) {
-			err("out of system memory\n");
 			retval = -ENOMEM;
 			goto error;
 		}
@@ -878,7 +864,6 @@ static int configure_bridge(struct pci_func **func_passed, u8 slotno)
 		debug("it wants %x pfmemory behind the bridge\n", amount_needed->pfmem);
 		pfmem = kzalloc(sizeof(*pfmem), GFP_KERNEL);
 		if (!pfmem) {
-			err("out of system memory\n");
 			retval = -ENOMEM;
 			goto error;
 		}
@@ -893,7 +878,6 @@ static int configure_bridge(struct pci_func **func_passed, u8 slotno)
 		} else {
 			mem_tmp = kzalloc(sizeof(*mem_tmp), GFP_KERNEL);
 			if (!mem_tmp) {
-				err("out of system memory\n");
 				retval = -ENOMEM;
 				goto error;
 			}
@@ -924,7 +908,6 @@ static int configure_bridge(struct pci_func **func_passed, u8 slotno)
 		if (!bus) {
 			bus = kzalloc(sizeof(*bus), GFP_KERNEL);
 			if (!bus) {
-				err("out of system memory\n");
 				retval = -ENOMEM;
 				goto error;
 			}
@@ -1652,10 +1635,9 @@ static int add_new_bus(struct bus_node *bus, struct resource_node *io, struct re
 	}
 	if (io) {
 		io_range = kzalloc(sizeof(*io_range), GFP_KERNEL);
-		if (!io_range) {
-			err("out of system memory\n");
+		if (!io_range)
 			return -ENOMEM;
-		}
+
 		io_range->start = io->start;
 		io_range->end = io->end;
 		io_range->rangeno = 1;
@@ -1664,10 +1646,9 @@ static int add_new_bus(struct bus_node *bus, struct resource_node *io, struct re
 	}
 	if (mem) {
 		mem_range = kzalloc(sizeof(*mem_range), GFP_KERNEL);
-		if (!mem_range) {
-			err("out of system memory\n");
+		if (!mem_range)
 			return -ENOMEM;
-		}
+
 		mem_range->start = mem->start;
 		mem_range->end = mem->end;
 		mem_range->rangeno = 1;
@@ -1676,10 +1657,9 @@ static int add_new_bus(struct bus_node *bus, struct resource_node *io, struct re
 	}
 	if (pfmem) {
 		pfmem_range = kzalloc(sizeof(*pfmem_range), GFP_KERNEL);
-		if (!pfmem_range) {
-			err("out of system memory\n");
+		if (!pfmem_range)
 			return -ENOMEM;
-		}
+
 		pfmem_range->start = pfmem->start;
 		pfmem_range->end = pfmem->end;
 		pfmem_range->rangeno = 1;
diff --git a/drivers/pci/hotplug/ibmphp_res.c b/drivers/pci/hotplug/ibmphp_res.c
index aee6e41001e1..b58a7a641e0e 100644
--- a/drivers/pci/hotplug/ibmphp_res.c
+++ b/drivers/pci/hotplug/ibmphp_res.c
@@ -56,10 +56,8 @@ static struct bus_node * __init alloc_error_bus(struct ebda_pci_rsrc *curr, u8 b
 	}
 
 	newbus = kzalloc(sizeof(struct bus_node), GFP_KERNEL);
-	if (!newbus) {
-		err("out of system memory\n");
+	if (!newbus)
 		return NULL;
-	}
 
 	if (flag)
 		newbus->busno = busno;
@@ -79,10 +77,9 @@ static struct resource_node * __init alloc_resources(struct ebda_pci_rsrc *curr)
 	}
 
 	rs = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
-	if (!rs) {
-		err("out of system memory\n");
+	if (!rs)
 		return NULL;
-	}
+
 	rs->busno = curr->bus_num;
 	rs->devfunc = curr->dev_fun;
 	rs->start = curr->start_addr;
@@ -99,10 +96,9 @@ static int __init alloc_bus_range(struct bus_node **new_bus, struct range_node *
 
 	if (first_bus) {
 		newbus = kzalloc(sizeof(struct bus_node), GFP_KERNEL);
-		if (!newbus) {
-			err("out of system memory.\n");
+		if (!newbus)
 			return -ENOMEM;
-		}
+
 		newbus->busno = curr->bus_num;
 	} else {
 		newbus = *new_bus;
@@ -123,7 +119,6 @@ static int __init alloc_bus_range(struct bus_node **new_bus, struct range_node *
 	if (!newrange) {
 		if (first_bus)
 			kfree(newbus);
-		err("out of system memory\n");
 		return -ENOMEM;
 	}
 	newrange->start = curr->start_addr;
@@ -1707,10 +1702,9 @@ static int __init once_over(void)
 				bus_cur->firstPFMemFromMem = pfmem_cur;
 
 				mem = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
-				if (!mem) {
-					err("out of system memory\n");
+				if (!mem)
 					return -ENOMEM;
-				}
+
 				mem->type = MEM;
 				mem->busno = pfmem_cur->busno;
 				mem->devfunc = pfmem_cur->devfunc;
@@ -1989,10 +1983,9 @@ static int __init update_bridge_ranges(struct bus_node **bus)
 
 						if ((start_address) && (start_address <= end_address)) {
 							range = kzalloc(sizeof(struct range_node), GFP_KERNEL);
-							if (!range) {
-								err("out of system memory\n");
+							if (!range)
 								return -ENOMEM;
-							}
+
 							range->start = start_address;
 							range->end = end_address + 0xfff;
 
@@ -2016,7 +2009,6 @@ static int __init update_bridge_ranges(struct bus_node **bus)
 								io = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
 								if (!io) {
 									kfree(range);
-									err("out of system memory\n");
 									return -ENOMEM;
 								}
 								io->type = IO;
@@ -2038,10 +2030,9 @@ static int __init update_bridge_ranges(struct bus_node **bus)
 						if ((start_address) && (start_address <= end_address)) {
 
 							range = kzalloc(sizeof(struct range_node), GFP_KERNEL);
-							if (!range) {
-								err("out of system memory\n");
+							if (!range)
 								return -ENOMEM;
-							}
+
 							range->start = start_address;
 							range->end = end_address + 0xfffff;
 
@@ -2066,7 +2057,6 @@ static int __init update_bridge_ranges(struct bus_node **bus)
 								mem = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
 								if (!mem) {
 									kfree(range);
-									err("out of system memory\n");
 									return -ENOMEM;
 								}
 								mem->type = MEM;
@@ -2092,10 +2082,9 @@ static int __init update_bridge_ranges(struct bus_node **bus)
 						if ((start_address) && (start_address <= end_address)) {
 
 							range = kzalloc(sizeof(struct range_node), GFP_KERNEL);
-							if (!range) {
-								err("out of system memory\n");
+							if (!range)
 								return -ENOMEM;
-							}
+
 							range->start = start_address;
 							range->end = end_address + 0xfffff;
 
@@ -2119,7 +2108,6 @@ static int __init update_bridge_ranges(struct bus_node **bus)
 								pfmem = kzalloc(sizeof(struct resource_node), GFP_KERNEL);
 								if (!pfmem) {
 									kfree(range);
-									err("out of system memory\n");
 									return -ENOMEM;
 								}
 								pfmem->type = PFMEM;
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 7bab0606f1a9..17bea7ccf6d4 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -838,16 +838,22 @@ struct controller *pcie_init(struct pcie_device *dev)
 	struct pci_dev *pdev = dev->port;
 
 	ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL);
-	if (!ctrl) {
-		dev_err(&dev->device, "%s: Out of memory\n", __func__);
+	if (!ctrl)
 		goto abort;
-	}
+
 	ctrl->pcie = dev;
 	pcie_capability_read_dword(pdev, PCI_EXP_SLTCAP, &slot_cap);
 
 	if (pdev->hotplug_user_indicators)
 		slot_cap &= ~(PCI_EXP_SLTCAP_AIP | PCI_EXP_SLTCAP_PIP);
 
+	/*
+	 * We assume no Thunderbolt controllers support Command Complete events,
+	 * but some controllers falsely claim they do.
+	 */
+	if (pdev->is_thunderbolt)
+		slot_cap |= PCI_EXP_SLTCAP_NCCS;
+
 	ctrl->slot_cap = slot_cap;
 	mutex_init(&ctrl->ctrl_lock);
 	init_waitqueue_head(&ctrl->queue);
diff --git a/drivers/pci/hotplug/pciehp_pci.c b/drivers/pci/hotplug/pciehp_pci.c
index 2a1ca020cf5a..acc360d1a1fb 100644
--- a/drivers/pci/hotplug/pciehp_pci.c
+++ b/drivers/pci/hotplug/pciehp_pci.c
@@ -79,7 +79,6 @@ int pciehp_configure_device(struct slot *p_slot)
 int pciehp_unconfigure_device(struct slot *p_slot)
 {
 	int rc = 0;
-	u8 bctl = 0;
 	u8 presence = 0;
 	struct pci_dev *dev, *temp;
 	struct pci_bus *parent = p_slot->ctrl->pcie->port->subordinate;
@@ -101,17 +100,6 @@ int pciehp_unconfigure_device(struct slot *p_slot)
 	list_for_each_entry_safe_reverse(dev, temp, &parent->devices,
 					 bus_list) {
 		pci_dev_get(dev);
-		if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE && presence) {
-			pci_read_config_byte(dev, PCI_BRIDGE_CONTROL, &bctl);
-			if (bctl & PCI_BRIDGE_CTL_VGA) {
-				ctrl_err(ctrl,
-					 "Cannot remove display device %s\n",
-					 pci_name(dev));
-				pci_dev_put(dev);
-				rc = -EINVAL;
-				break;
-			}
-		}
 		if (!presence) {
 			pci_dev_set_disconnected(dev, NULL);
 			if (pci_has_subordinate(dev))
diff --git a/drivers/pci/hotplug/pnv_php.c b/drivers/pci/hotplug/pnv_php.c
index 74f6a17e4614..0373b9d88c6d 100644
--- a/drivers/pci/hotplug/pnv_php.c
+++ b/drivers/pci/hotplug/pnv_php.c
@@ -266,22 +266,18 @@ static int pnv_php_add_devtree(struct pnv_php_slot *php_slot)
 	fdt1 = kzalloc(0x10000, GFP_KERNEL);
 	if (!fdt1) {
 		ret = -ENOMEM;
-		dev_warn(&php_slot->pdev->dev, "Cannot alloc FDT blob\n");
 		goto out;
 	}
 
 	ret = pnv_pci_get_device_tree(php_slot->dn->phandle, fdt1, 0x10000);
 	if (ret) {
-		dev_warn(&php_slot->pdev->dev, "Error %d getting FDT blob\n",
-			 ret);
+		pci_warn(php_slot->pdev, "Error %d getting FDT blob\n", ret);
 		goto free_fdt1;
 	}
 
 	fdt = kzalloc(fdt_totalsize(fdt1), GFP_KERNEL);
 	if (!fdt) {
 		ret = -ENOMEM;
-		dev_warn(&php_slot->pdev->dev, "Cannot %d bytes memory\n",
-			 fdt_totalsize(fdt1));
 		goto free_fdt1;
 	}
 
@@ -290,7 +286,7 @@ static int pnv_php_add_devtree(struct pnv_php_slot *php_slot)
 	dt = of_fdt_unflatten_tree(fdt, php_slot->dn, NULL);
 	if (!dt) {
 		ret = -EINVAL;
-		dev_warn(&php_slot->pdev->dev, "Cannot unflatten FDT\n");
+		pci_warn(php_slot->pdev, "Cannot unflatten FDT\n");
 		goto free_fdt;
 	}
 
@@ -300,7 +296,7 @@ static int pnv_php_add_devtree(struct pnv_php_slot *php_slot)
 	ret = pnv_php_populate_changeset(&php_slot->ocs, php_slot->dn);
 	if (ret) {
 		pnv_php_reverse_nodes(php_slot->dn);
-		dev_warn(&php_slot->pdev->dev, "Error %d populating changeset\n",
+		pci_warn(php_slot->pdev, "Error %d populating changeset\n",
 			 ret);
 		goto free_dt;
 	}
@@ -308,8 +304,7 @@ static int pnv_php_add_devtree(struct pnv_php_slot *php_slot)
 	php_slot->dn->child = NULL;
 	ret = of_changeset_apply(&php_slot->ocs);
 	if (ret) {
-		dev_warn(&php_slot->pdev->dev, "Error %d applying changeset\n",
-			 ret);
+		pci_warn(php_slot->pdev, "Error %d applying changeset\n", ret);
 		goto destroy_changeset;
 	}
 
@@ -345,14 +340,14 @@ int pnv_php_set_slot_power_state(struct hotplug_slot *slot,
 		if (be64_to_cpu(msg.params[1]) != php_slot->dn->phandle	||
 		    be64_to_cpu(msg.params[2]) != state			||
 		    be64_to_cpu(msg.params[3]) != OPAL_SUCCESS) {
-			dev_warn(&php_slot->pdev->dev, "Wrong msg (%lld, %lld, %lld)\n",
+			pci_warn(php_slot->pdev, "Wrong msg (%lld, %lld, %lld)\n",
 				 be64_to_cpu(msg.params[1]),
 				 be64_to_cpu(msg.params[2]),
 				 be64_to_cpu(msg.params[3]));
 			return -ENOMSG;
 		}
 	} else if (ret < 0) {
-		dev_warn(&php_slot->pdev->dev, "Error %d powering %s\n",
+		pci_warn(php_slot->pdev, "Error %d powering %s\n",
 			 ret, (state == OPAL_PCI_SLOT_POWER_ON) ? "on" : "off");
 		return ret;
 	}
@@ -379,7 +374,7 @@ static int pnv_php_get_power_state(struct hotplug_slot *slot, u8 *state)
 	 */
 	ret = pnv_pci_get_power_state(php_slot->id, &power_state);
 	if (ret) {
-		dev_warn(&php_slot->pdev->dev, "Error %d getting power status\n",
+		pci_warn(php_slot->pdev, "Error %d getting power status\n",
 			 ret);
 	} else {
 		*state = power_state;
@@ -405,8 +400,7 @@ static int pnv_php_get_adapter_state(struct hotplug_slot *slot, u8 *state)
 		slot->info->adapter_status = presence;
 		ret = 0;
 	} else {
-		dev_warn(&php_slot->pdev->dev, "Error %d getting presence\n",
-			 ret);
+		pci_warn(php_slot->pdev, "Error %d getting presence\n", ret);
 	}
 
 	return ret;
@@ -629,8 +623,7 @@ static int pnv_php_register_slot(struct pnv_php_slot *php_slot)
 	ret = pci_hp_register(&php_slot->slot, php_slot->bus,
 			      php_slot->slot_no, php_slot->name);
 	if (ret) {
-		dev_warn(&php_slot->pdev->dev, "Error %d registering slot\n",
-			 ret);
+		pci_warn(php_slot->pdev, "Error %d registering slot\n", ret);
 		return ret;
 	}
 
@@ -683,7 +676,7 @@ static int pnv_php_enable_msix(struct pnv_php_slot *php_slot)
 	/* Enable MSIx */
 	ret = pci_enable_msix_exact(pdev, &entry, 1);
 	if (ret) {
-		dev_warn(&pdev->dev, "Error %d enabling MSIx\n", ret);
+		pci_warn(pdev, "Error %d enabling MSIx\n", ret);
 		return ret;
 	}
 
@@ -727,7 +720,7 @@ static irqreturn_t pnv_php_interrupt(int irq, void *data)
 		   (sts & PCI_EXP_SLTSTA_PDC)) {
 		ret = pnv_pci_get_presence_state(php_slot->id, &presence);
 		if (ret) {
-			dev_warn(&pdev->dev, "PCI slot [%s] error %d getting presence (0x%04x), to retry the operation.\n",
+			pci_warn(pdev, "PCI slot [%s] error %d getting presence (0x%04x), to retry the operation.\n",
 				 php_slot->name, ret, sts);
 			return IRQ_HANDLED;
 		}
@@ -757,12 +750,12 @@ static irqreturn_t pnv_php_interrupt(int irq, void *data)
 	 */
 	event = kzalloc(sizeof(*event), GFP_ATOMIC);
 	if (!event) {
-		dev_warn(&pdev->dev, "PCI slot [%s] missed hotplug event 0x%04x\n",
+		pci_warn(pdev, "PCI slot [%s] missed hotplug event 0x%04x\n",
 			 php_slot->name, sts);
 		return IRQ_HANDLED;
 	}
 
-	dev_info(&pdev->dev, "PCI slot [%s] %s (IRQ: %d)\n",
+	pci_info(pdev, "PCI slot [%s] %s (IRQ: %d)\n",
 		 php_slot->name, added ? "added" : "removed", irq);
 	INIT_WORK(&event->work, pnv_php_event_handler);
 	event->added = added;
@@ -782,7 +775,7 @@ static void pnv_php_init_irq(struct pnv_php_slot *php_slot, int irq)
 	/* Allocate workqueue */
 	php_slot->wq = alloc_workqueue("pciehp-%s", 0, 0, php_slot->name);
 	if (!php_slot->wq) {
-		dev_warn(&pdev->dev, "Cannot alloc workqueue\n");
+		pci_warn(pdev, "Cannot alloc workqueue\n");
 		pnv_php_disable_irq(php_slot, true);
 		return;
 	}
@@ -806,7 +799,7 @@ static void pnv_php_init_irq(struct pnv_php_slot *php_slot, int irq)
 			  php_slot->name, php_slot);
 	if (ret) {
 		pnv_php_disable_irq(php_slot, true);
-		dev_warn(&pdev->dev, "Error %d enabling IRQ %d\n", ret, irq);
+		pci_warn(pdev, "Error %d enabling IRQ %d\n", ret, irq);
 		return;
 	}
 
@@ -842,7 +835,7 @@ static void pnv_php_enable_irq(struct pnv_php_slot *php_slot)
 
 	ret = pci_enable_device(pdev);
 	if (ret) {
-		dev_warn(&pdev->dev, "Error %d enabling device\n", ret);
+		pci_warn(pdev, "Error %d enabling device\n", ret);
 		return;
 	}
 
diff --git a/drivers/pci/hotplug/sgi_hotplug.c b/drivers/pci/hotplug/sgi_hotplug.c
index 339bce0403dd..293bd03eb167 100644
--- a/drivers/pci/hotplug/sgi_hotplug.c
+++ b/drivers/pci/hotplug/sgi_hotplug.c
@@ -245,18 +245,18 @@ static int sn_slot_enable(struct hotplug_slot *bss_hotplug_slot,
 
 
 	if (rc == PCI_SLOT_ALREADY_UP) {
-		dev_dbg(&slot->pci_bus->self->dev, "is already active\n");
+		pci_dbg(slot->pci_bus->self, "is already active\n");
 		return 1; /* return 1 to user */
 	}
 
 	if (rc == PCI_L1_ERR) {
-		dev_dbg(&slot->pci_bus->self->dev, "L1 failure %d with message: %s",
+		pci_dbg(slot->pci_bus->self, "L1 failure %d with message: %s",
 			resp.resp_sub_errno, resp.resp_l1_msg);
 		return -EPERM;
 	}
 
 	if (rc) {
-		dev_dbg(&slot->pci_bus->self->dev, "insert failed with error %d sub-error %d\n",
+		pci_dbg(slot->pci_bus->self, "insert failed with error %d sub-error %d\n",
 			rc, resp.resp_sub_errno);
 		return -EIO;
 	}
@@ -281,23 +281,23 @@ static int sn_slot_disable(struct hotplug_slot *bss_hotplug_slot,
 
 	if ((action == PCI_REQ_SLOT_ELIGIBLE) &&
 	    (rc == PCI_SLOT_ALREADY_DOWN)) {
-		dev_dbg(&slot->pci_bus->self->dev, "Slot %s already inactive\n", slot->physical_path);
+		pci_dbg(slot->pci_bus->self, "Slot %s already inactive\n", slot->physical_path);
 		return 1; /* return 1 to user */
 	}
 
 	if ((action == PCI_REQ_SLOT_ELIGIBLE) && (rc == PCI_EMPTY_33MHZ)) {
-		dev_dbg(&slot->pci_bus->self->dev, "Cannot remove last 33MHz card\n");
+		pci_dbg(slot->pci_bus->self, "Cannot remove last 33MHz card\n");
 		return -EPERM;
 	}
 
 	if ((action == PCI_REQ_SLOT_ELIGIBLE) && (rc == PCI_L1_ERR)) {
-		dev_dbg(&slot->pci_bus->self->dev, "L1 failure %d with message \n%s\n",
+		pci_dbg(slot->pci_bus->self, "L1 failure %d with message \n%s\n",
 			resp.resp_sub_errno, resp.resp_l1_msg);
 		return -EPERM;
 	}
 
 	if ((action == PCI_REQ_SLOT_ELIGIBLE) && rc) {
-		dev_dbg(&slot->pci_bus->self->dev, "remove failed with error %d sub-error %d\n",
+		pci_dbg(slot->pci_bus->self, "remove failed with error %d sub-error %d\n",
 			rc, resp.resp_sub_errno);
 		return -EIO;
 	}
@@ -308,12 +308,12 @@ static int sn_slot_disable(struct hotplug_slot *bss_hotplug_slot,
 	if ((action == PCI_REQ_SLOT_DISABLE) && !rc) {
 		pcibus_info = SN_PCIBUS_BUSSOFT_INFO(slot->pci_bus);
 		pcibus_info->pbi_enabled_devices &= ~(1 << device_num);
-		dev_dbg(&slot->pci_bus->self->dev, "remove successful\n");
+		pci_dbg(slot->pci_bus->self, "remove successful\n");
 		return 0;
 	}
 
 	if ((action == PCI_REQ_SLOT_DISABLE) && rc) {
-		dev_dbg(&slot->pci_bus->self->dev, "remove failed rc = %d\n", rc);
+		pci_dbg(slot->pci_bus->self, "remove failed rc = %d\n", rc);
 	}
 
 	return rc;
@@ -366,7 +366,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
 	num_funcs = pci_scan_slot(slot->pci_bus,
 				  PCI_DEVFN(slot->device_num + 1, 0));
 	if (!num_funcs) {
-		dev_dbg(&slot->pci_bus->self->dev, "no device in slot\n");
+		pci_dbg(slot->pci_bus->self, "no device in slot\n");
 		mutex_unlock(&sn_hotplug_mutex);
 		return -ENODEV;
 	}
@@ -412,7 +412,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
 		phandle = acpi_device_handle(PCI_CONTROLLER(slot->pci_bus)->companion);
 
 		if (acpi_bus_get_device(phandle, &pdevice)) {
-			dev_dbg(&slot->pci_bus->self->dev, "no parent device, assuming NULL\n");
+			pci_dbg(slot->pci_bus->self, "no parent device, assuming NULL\n");
 			pdevice = NULL;
 		}
 
@@ -463,9 +463,9 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
 	mutex_unlock(&sn_hotplug_mutex);
 
 	if (rc == 0)
-		dev_dbg(&slot->pci_bus->self->dev, "insert operation successful\n");
+		pci_dbg(slot->pci_bus->self, "insert operation successful\n");
 	else
-		dev_dbg(&slot->pci_bus->self->dev, "insert operation failed rc = %d\n", rc);
+		pci_dbg(slot->pci_bus->self, "insert operation failed rc = %d\n", rc);
 
 	return rc;
 }
@@ -643,16 +643,16 @@ static int sn_hotplug_slot_register(struct pci_bus *pci_bus)
 		if (rc)
 			goto register_err;
 	}
-	dev_dbg(&pci_bus->self->dev, "Registered bus with hotplug\n");
+	pci_dbg(pci_bus->self, "Registered bus with hotplug\n");
 	return rc;
 
 register_err:
-	dev_dbg(&pci_bus->self->dev, "bus failed to register with err = %d\n",
+	pci_dbg(pci_bus->self, "bus failed to register with err = %d\n",
 		rc);
 
 alloc_err:
 	if (rc == -ENOMEM)
-		dev_dbg(&pci_bus->self->dev, "Memory allocation error\n");
+		pci_dbg(pci_bus->self, "Memory allocation error\n");
 
 	/* destroy THIS element */
 	if (bss_hotplug_slot)
@@ -685,10 +685,10 @@ static int __init sn_pci_hotplug_init(void)
 
 		rc = sn_pci_bus_valid(pci_bus);
 		if (rc != 1) {
-			dev_dbg(&pci_bus->self->dev, "not a valid hotplug bus\n");
+			pci_dbg(pci_bus->self, "not a valid hotplug bus\n");
 			continue;
 		}
-		dev_dbg(&pci_bus->self->dev, "valid hotplug bus\n");
+		pci_dbg(pci_bus->self, "valid hotplug bus\n");
 
 		rc = sn_hotplug_slot_register(pci_bus);
 		if (!rc) {
diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
index 70c7ea6af034..664b1dafc95d 100644
--- a/drivers/pci/hotplug/shpchp.h
+++ b/drivers/pci/hotplug/shpchp.h
@@ -62,15 +62,15 @@ do {									\
 #define ctrl_dbg(ctrl, format, arg...)					\
 	do {								\
 		if (shpchp_debug)					\
-			dev_printk(KERN_DEBUG, &ctrl->pci_dev->dev,	\
+			pci_printk(KERN_DEBUG, ctrl->pci_dev,		\
 					format, ## arg);		\
 	} while (0)
 #define ctrl_err(ctrl, format, arg...)					\
-	dev_err(&ctrl->pci_dev->dev, format, ## arg)
+	pci_err(ctrl->pci_dev, format, ## arg)
 #define ctrl_info(ctrl, format, arg...)					\
-	dev_info(&ctrl->pci_dev->dev, format, ## arg)
+	pci_info(ctrl->pci_dev, format, ## arg)
 #define ctrl_warn(ctrl, format, arg...)					\
-	dev_warn(&ctrl->pci_dev->dev, format, ## arg)
+	pci_warn(ctrl->pci_dev, format, ## arg)
 
 
 #define SLOT_NAME_SIZE 10
diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index 7bfb87bd2b7e..2f2b87acf179 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -305,10 +305,9 @@ static int shpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		return -ENODEV;
 
 	ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL);
-	if (!ctrl) {
-		dev_err(&pdev->dev, "%s: Out of memory\n", __func__);
+	if (!ctrl)
 		goto err_out_none;
-	}
+
 	INIT_LIST_HEAD(&ctrl->slot_list);
 
 	rc = shpc_init(ctrl, pdev);
diff --git a/drivers/pci/hotplug/shpchp_pci.c b/drivers/pci/hotplug/shpchp_pci.c
index ea63db58b4b1..79f1682c858e 100644
--- a/drivers/pci/hotplug/shpchp_pci.c
+++ b/drivers/pci/hotplug/shpchp_pci.c
@@ -78,7 +78,6 @@ int shpchp_configure_device(struct slot *p_slot)
 int shpchp_unconfigure_device(struct slot *p_slot)
 {
 	int rc = 0;
-	u8 bctl = 0;
 	struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate;
 	struct pci_dev *dev, *temp;
 	struct controller *ctrl = p_slot->ctrl;
@@ -93,17 +92,6 @@ int shpchp_unconfigure_device(struct slot *p_slot)
 			continue;
 
 		pci_dev_get(dev);
-		if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
-			pci_read_config_byte(dev, PCI_BRIDGE_CONTROL, &bctl);
-			if (bctl & PCI_BRIDGE_CTL_VGA) {
-				ctrl_err(ctrl,
-					 "Cannot remove display device %s\n",
-					 pci_name(dev));
-				pci_dev_put(dev);
-				rc = -EINVAL;
-				break;
-			}
-		}
 		pci_stop_and_remove_bus_device(dev);
 		pci_dev_put(dev);
 	}
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index 0b7b5da63d4e..e3409e42e8a1 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -259,19 +259,19 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
 			nres++;
 	}
 	if (nres != iov->nres) {
-		dev_err(&dev->dev, "not enough MMIO resources for SR-IOV\n");
+		pci_err(dev, "not enough MMIO resources for SR-IOV\n");
 		return -ENOMEM;
 	}
 
 	bus = pci_iov_virtfn_bus(dev, nr_virtfn - 1);
 	if (bus > dev->bus->busn_res.end) {
-		dev_err(&dev->dev, "can't enable %d VFs (bus %02x out of range of %pR)\n",
+		pci_err(dev, "can't enable %d VFs (bus %02x out of range of %pR)\n",
 			nr_virtfn, bus, &dev->bus->busn_res);
 		return -ENOMEM;
 	}
 
 	if (pci_enable_resources(dev, bars)) {
-		dev_err(&dev->dev, "SR-IOV: IOV BARS not allocated\n");
+		pci_err(dev, "SR-IOV: IOV BARS not allocated\n");
 		return -ENOMEM;
 	}
 
@@ -298,7 +298,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
 
 	rc = pcibios_sriov_enable(dev, initial);
 	if (rc) {
-		dev_err(&dev->dev, "failure %d from pcibios_sriov_enable()\n", rc);
+		pci_err(dev, "failure %d from pcibios_sriov_enable()\n", rc);
 		goto err_pcibios;
 	}
 
@@ -432,7 +432,7 @@ found:
 		}
 		iov->barsz[i] = resource_size(res);
 		res->end = res->start + resource_size(res) * total - 1;
-		dev_info(&dev->dev, "VF(n) BAR%d space: %pR (contains BAR%d for %d VFs)\n",
+		pci_info(dev, "VF(n) BAR%d space: %pR (contains BAR%d for %d VFs)\n",
 			 i, res, i, total);
 		i += bar64;
 		nres++;
diff --git a/drivers/pci/irq.c b/drivers/pci/irq.c
index 10929cd43d5d..2a808e10645f 100644
--- a/drivers/pci/irq.c
+++ b/drivers/pci/irq.c
@@ -16,11 +16,10 @@ static void pci_note_irq_problem(struct pci_dev *pdev, const char *reason)
 {
 	struct pci_dev *parent = to_pci_dev(pdev->dev.parent);
 
-	dev_err(&pdev->dev,
-		"Potentially misrouted IRQ (Bridge %s %04x:%04x)\n",
+	pci_err(pdev, "Potentially misrouted IRQ (Bridge %s %04x:%04x)\n",
 		dev_name(&parent->dev), parent->vendor, parent->device);
-	dev_err(&pdev->dev, "%s\n", reason);
-	dev_err(&pdev->dev, "Please report to linux-kernel@vger.kernel.org\n");
+	pci_err(pdev, "%s\n", reason);
+	pci_err(pdev, "Please report to linux-kernel@vger.kernel.org\n");
 	WARN_ON(1);
 }
 
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index e06607167858..1cd8238a664a 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -578,7 +578,7 @@ static int msi_verify_entries(struct pci_dev *dev)
 	for_each_pci_msi_entry(entry, dev) {
 		if (!dev->no_64bit_msi || !entry->msg.address_hi)
 			continue;
-		dev_err(&dev->dev, "Device has broken 64-bit MSI but arch"
+		pci_err(dev, "Device has broken 64-bit MSI but arch"
 			" tried to assign one above 4G\n");
 		return -EIO;
 	}
@@ -962,7 +962,7 @@ static int __pci_enable_msix(struct pci_dev *dev, struct msix_entry *entries,
 
 	/* Check whether driver already requested for MSI irq */
 	if (dev->msi_enabled) {
-		dev_info(&dev->dev, "can't enable MSI-X (MSI IRQ already assigned)\n");
+		pci_info(dev, "can't enable MSI-X (MSI IRQ already assigned)\n");
 		return -EINVAL;
 	}
 	return msix_capability_init(dev, entries, nvec, affd);
@@ -1032,8 +1032,7 @@ static int __pci_enable_msi_range(struct pci_dev *dev, int minvec, int maxvec,
 
 	/* Check whether driver already requested MSI-X irqs */
 	if (dev->msix_enabled) {
-		dev_info(&dev->dev,
-			 "can't enable MSI (MSI-X already enabled)\n");
+		pci_info(dev, "can't enable MSI (MSI-X already enabled)\n");
 		return -EINVAL;
 	}
 
diff --git a/drivers/pci/of.c b/drivers/pci/of.c
index e112da11630e..e81835bdf4fa 100644
--- a/drivers/pci/of.c
+++ b/drivers/pci/of.c
@@ -8,12 +8,14 @@
  * as published by the Free Software Foundation; either version
  * 2 of the License, or (at your option) any later version.
  */
+#define pr_fmt(fmt)	"PCI: OF: " fmt
 
 #include <linux/irqdomain.h>
 #include <linux/kernel.h>
 #include <linux/pci.h>
 #include <linux/of.h>
 #include <linux/of_irq.h>
+#include <linux/of_address.h>
 #include <linux/of_pci.h>
 #include "pci.h"
 
@@ -51,8 +53,9 @@ struct device_node * __weak pcibios_get_phb_of_node(struct pci_bus *bus)
 	if (WARN_ON(bus->self || bus->parent))
 		return NULL;
 
-	/* Look for a node pointer in either the intermediary device we
-	 * create above the root bus or it's own parent. Normally only
+	/*
+	 * Look for a node pointer in either the intermediary device we
+	 * create above the root bus or its own parent. Normally only
 	 * the later is populated.
 	 */
 	if (bus->bridge->of_node)
@@ -88,3 +91,510 @@ struct irq_domain *pci_host_bridge_of_msi_domain(struct pci_bus *bus)
 	return NULL;
 #endif
 }
+
+
+static inline int __of_pci_pci_compare(struct device_node *node,
+				       unsigned int data)
+{
+	int devfn;
+
+	devfn = of_pci_get_devfn(node);
+	if (devfn < 0)
+		return 0;
+
+	return devfn == data;
+}
+
+struct device_node *of_pci_find_child_device(struct device_node *parent,
+					     unsigned int devfn)
+{
+	struct device_node *node, *node2;
+
+	for_each_child_of_node(parent, node) {
+		if (__of_pci_pci_compare(node, devfn))
+			return node;
+		/*
+		 * Some OFs create a parent node "multifunc-device" as
+		 * a fake root for all functions of a multi-function
+		 * device we go down them as well.
+		 */
+		if (!strcmp(node->name, "multifunc-device")) {
+			for_each_child_of_node(node, node2) {
+				if (__of_pci_pci_compare(node2, devfn)) {
+					of_node_put(node);
+					return node2;
+				}
+			}
+		}
+	}
+	return NULL;
+}
+EXPORT_SYMBOL_GPL(of_pci_find_child_device);
+
+/**
+ * of_pci_get_devfn() - Get device and function numbers for a device node
+ * @np: device node
+ *
+ * Parses a standard 5-cell PCI resource and returns an 8-bit value that can
+ * be passed to the PCI_SLOT() and PCI_FUNC() macros to extract the device
+ * and function numbers respectively. On error a negative error code is
+ * returned.
+ */
+int of_pci_get_devfn(struct device_node *np)
+{
+	u32 reg[5];
+	int error;
+
+	error = of_property_read_u32_array(np, "reg", reg, ARRAY_SIZE(reg));
+	if (error)
+		return error;
+
+	return (reg[0] >> 8) & 0xff;
+}
+EXPORT_SYMBOL_GPL(of_pci_get_devfn);
+
+/**
+ * of_pci_parse_bus_range() - parse the bus-range property of a PCI device
+ * @node: device node
+ * @res: address to a struct resource to return the bus-range
+ *
+ * Returns 0 on success or a negative error-code on failure.
+ */
+int of_pci_parse_bus_range(struct device_node *node, struct resource *res)
+{
+	u32 bus_range[2];
+	int error;
+
+	error = of_property_read_u32_array(node, "bus-range", bus_range,
+					   ARRAY_SIZE(bus_range));
+	if (error)
+		return error;
+
+	res->name = node->name;
+	res->start = bus_range[0];
+	res->end = bus_range[1];
+	res->flags = IORESOURCE_BUS;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(of_pci_parse_bus_range);
+
+/**
+ * This function will try to obtain the host bridge domain number by
+ * finding a property called "linux,pci-domain" of the given device node.
+ *
+ * @node: device tree node with the domain information
+ *
+ * Returns the associated domain number from DT in the range [0-0xffff], or
+ * a negative value if the required property is not found.
+ */
+int of_get_pci_domain_nr(struct device_node *node)
+{
+	u32 domain;
+	int error;
+
+	error = of_property_read_u32(node, "linux,pci-domain", &domain);
+	if (error)
+		return error;
+
+	return (u16)domain;
+}
+EXPORT_SYMBOL_GPL(of_get_pci_domain_nr);
+
+/**
+ * This function will try to find the limitation of link speed by finding
+ * a property called "max-link-speed" of the given device node.
+ *
+ * @node: device tree node with the max link speed information
+ *
+ * Returns the associated max link speed from DT, or a negative value if the
+ * required property is not found or is invalid.
+ */
+int of_pci_get_max_link_speed(struct device_node *node)
+{
+	u32 max_link_speed;
+
+	if (of_property_read_u32(node, "max-link-speed", &max_link_speed) ||
+	    max_link_speed > 4)
+		return -EINVAL;
+
+	return max_link_speed;
+}
+EXPORT_SYMBOL_GPL(of_pci_get_max_link_speed);
+
+/**
+ * of_pci_check_probe_only - Setup probe only mode if linux,pci-probe-only
+ *                           is present and valid
+ */
+void of_pci_check_probe_only(void)
+{
+	u32 val;
+	int ret;
+
+	ret = of_property_read_u32(of_chosen, "linux,pci-probe-only", &val);
+	if (ret) {
+		if (ret == -ENODATA || ret == -EOVERFLOW)
+			pr_warn("linux,pci-probe-only without valid value, ignoring\n");
+		return;
+	}
+
+	if (val)
+		pci_add_flags(PCI_PROBE_ONLY);
+	else
+		pci_clear_flags(PCI_PROBE_ONLY);
+
+	pr_info("PROBE_ONLY %sabled\n", val ? "en" : "dis");
+}
+EXPORT_SYMBOL_GPL(of_pci_check_probe_only);
+
+#if defined(CONFIG_OF_ADDRESS)
+/**
+ * of_pci_get_host_bridge_resources - Parse PCI host bridge resources from DT
+ * @dev: device node of the host bridge having the range property
+ * @busno: bus number associated with the bridge root bus
+ * @bus_max: maximum number of buses for this bridge
+ * @resources: list where the range of resources will be added after DT parsing
+ * @io_base: pointer to a variable that will contain on return the physical
+ * address for the start of the I/O range. Can be NULL if the caller doesn't
+ * expect I/O ranges to be present in the device tree.
+ *
+ * It is the caller's job to free the @resources list.
+ *
+ * This function will parse the "ranges" property of a PCI host bridge device
+ * node and setup the resource mapping based on its content. It is expected
+ * that the property conforms with the Power ePAPR document.
+ *
+ * It returns zero if the range parsing has been successful or a standard error
+ * value if it failed.
+ */
+int of_pci_get_host_bridge_resources(struct device_node *dev,
+			unsigned char busno, unsigned char bus_max,
+			struct list_head *resources, resource_size_t *io_base)
+{
+	struct resource_entry *window;
+	struct resource *res;
+	struct resource *bus_range;
+	struct of_pci_range range;
+	struct of_pci_range_parser parser;
+	char range_type[4];
+	int err;
+
+	if (io_base)
+		*io_base = (resource_size_t)OF_BAD_ADDR;
+
+	bus_range = kzalloc(sizeof(*bus_range), GFP_KERNEL);
+	if (!bus_range)
+		return -ENOMEM;
+
+	pr_info("host bridge %pOF ranges:\n", dev);
+
+	err = of_pci_parse_bus_range(dev, bus_range);
+	if (err) {
+		bus_range->start = busno;
+		bus_range->end = bus_max;
+		bus_range->flags = IORESOURCE_BUS;
+		pr_info("  No bus range found for %pOF, using %pR\n",
+			dev, bus_range);
+	} else {
+		if (bus_range->end > bus_range->start + bus_max)
+			bus_range->end = bus_range->start + bus_max;
+	}
+	pci_add_resource(resources, bus_range);
+
+	/* Check for ranges property */
+	err = of_pci_range_parser_init(&parser, dev);
+	if (err)
+		goto parse_failed;
+
+	pr_debug("Parsing ranges property...\n");
+	for_each_of_pci_range(&parser, &range) {
+		/* Read next ranges element */
+		if ((range.flags & IORESOURCE_TYPE_BITS) == IORESOURCE_IO)
+			snprintf(range_type, 4, " IO");
+		else if ((range.flags & IORESOURCE_TYPE_BITS) == IORESOURCE_MEM)
+			snprintf(range_type, 4, "MEM");
+		else
+			snprintf(range_type, 4, "err");
+		pr_info("  %s %#010llx..%#010llx -> %#010llx\n", range_type,
+			range.cpu_addr, range.cpu_addr + range.size - 1,
+			range.pci_addr);
+
+		/*
+		 * If we failed translation or got a zero-sized region
+		 * then skip this range
+		 */
+		if (range.cpu_addr == OF_BAD_ADDR || range.size == 0)
+			continue;
+
+		res = kzalloc(sizeof(struct resource), GFP_KERNEL);
+		if (!res) {
+			err = -ENOMEM;
+			goto parse_failed;
+		}
+
+		err = of_pci_range_to_resource(&range, dev, res);
+		if (err) {
+			kfree(res);
+			continue;
+		}
+
+		if (resource_type(res) == IORESOURCE_IO) {
+			if (!io_base) {
+				pr_err("I/O range found for %pOF. Please provide an io_base pointer to save CPU base address\n",
+					dev);
+				err = -EINVAL;
+				goto conversion_failed;
+			}
+			if (*io_base != (resource_size_t)OF_BAD_ADDR)
+				pr_warn("More than one I/O resource converted for %pOF. CPU base address for old range lost!\n",
+					dev);
+			*io_base = range.cpu_addr;
+		}
+
+		pci_add_resource_offset(resources, res,	res->start - range.pci_addr);
+	}
+
+	return 0;
+
+conversion_failed:
+	kfree(res);
+parse_failed:
+	resource_list_for_each_entry(window, resources)
+		kfree(window->res);
+	pci_free_resource_list(resources);
+	return err;
+}
+EXPORT_SYMBOL_GPL(of_pci_get_host_bridge_resources);
+#endif /* CONFIG_OF_ADDRESS */
+
+/**
+ * of_pci_map_rid - Translate a requester ID through a downstream mapping.
+ * @np: root complex device node.
+ * @rid: PCI requester ID to map.
+ * @map_name: property name of the map to use.
+ * @map_mask_name: optional property name of the mask to use.
+ * @target: optional pointer to a target device node.
+ * @id_out: optional pointer to receive the translated ID.
+ *
+ * Given a PCI requester ID, look up the appropriate implementation-defined
+ * platform ID and/or the target device which receives transactions on that
+ * ID, as per the "iommu-map" and "msi-map" bindings. Either of @target or
+ * @id_out may be NULL if only the other is required. If @target points to
+ * a non-NULL device node pointer, only entries targeting that node will be
+ * matched; if it points to a NULL value, it will receive the device node of
+ * the first matching target phandle, with a reference held.
+ *
+ * Return: 0 on success or a standard error code on failure.
+ */
+int of_pci_map_rid(struct device_node *np, u32 rid,
+		   const char *map_name, const char *map_mask_name,
+		   struct device_node **target, u32 *id_out)
+{
+	u32 map_mask, masked_rid;
+	int map_len;
+	const __be32 *map = NULL;
+
+	if (!np || !map_name || (!target && !id_out))
+		return -EINVAL;
+
+	map = of_get_property(np, map_name, &map_len);
+	if (!map) {
+		if (target)
+			return -ENODEV;
+		/* Otherwise, no map implies no translation */
+		*id_out = rid;
+		return 0;
+	}
+
+	if (!map_len || map_len % (4 * sizeof(*map))) {
+		pr_err("%pOF: Error: Bad %s length: %d\n", np,
+			map_name, map_len);
+		return -EINVAL;
+	}
+
+	/* The default is to select all bits. */
+	map_mask = 0xffffffff;
+
+	/*
+	 * Can be overridden by "{iommu,msi}-map-mask" property.
+	 * If of_property_read_u32() fails, the default is used.
+	 */
+	if (map_mask_name)
+		of_property_read_u32(np, map_mask_name, &map_mask);
+
+	masked_rid = map_mask & rid;
+	for ( ; map_len > 0; map_len -= 4 * sizeof(*map), map += 4) {
+		struct device_node *phandle_node;
+		u32 rid_base = be32_to_cpup(map + 0);
+		u32 phandle = be32_to_cpup(map + 1);
+		u32 out_base = be32_to_cpup(map + 2);
+		u32 rid_len = be32_to_cpup(map + 3);
+
+		if (rid_base & ~map_mask) {
+			pr_err("%pOF: Invalid %s translation - %s-mask (0x%x) ignores rid-base (0x%x)\n",
+				np, map_name, map_name,
+				map_mask, rid_base);
+			return -EFAULT;
+		}
+
+		if (masked_rid < rid_base || masked_rid >= rid_base + rid_len)
+			continue;
+
+		phandle_node = of_find_node_by_phandle(phandle);
+		if (!phandle_node)
+			return -ENODEV;
+
+		if (target) {
+			if (*target)
+				of_node_put(phandle_node);
+			else
+				*target = phandle_node;
+
+			if (*target != phandle_node)
+				continue;
+		}
+
+		if (id_out)
+			*id_out = masked_rid - rid_base + out_base;
+
+		pr_debug("%pOF: %s, using mask %08x, rid-base: %08x, out-base: %08x, length: %08x, rid: %08x -> %08x\n",
+			np, map_name, map_mask, rid_base, out_base,
+			rid_len, rid, masked_rid - rid_base + out_base);
+		return 0;
+	}
+
+	pr_err("%pOF: Invalid %s translation - no match for rid 0x%x on %pOF\n",
+		np, map_name, rid, target && *target ? *target : NULL);
+	return -EFAULT;
+}
+
+#if IS_ENABLED(CONFIG_OF_IRQ)
+/**
+ * of_irq_parse_pci - Resolve the interrupt for a PCI device
+ * @pdev:       the device whose interrupt is to be resolved
+ * @out_irq:    structure of_irq filled by this function
+ *
+ * This function resolves the PCI interrupt for a given PCI device. If a
+ * device-node exists for a given pci_dev, it will use normal OF tree
+ * walking. If not, it will implement standard swizzling and walk up the
+ * PCI tree until an device-node is found, at which point it will finish
+ * resolving using the OF tree walking.
+ */
+static int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq)
+{
+	struct device_node *dn, *ppnode;
+	struct pci_dev *ppdev;
+	__be32 laddr[3];
+	u8 pin;
+	int rc;
+
+	/*
+	 * Check if we have a device node, if yes, fallback to standard
+	 * device tree parsing
+	 */
+	dn = pci_device_to_OF_node(pdev);
+	if (dn) {
+		rc = of_irq_parse_one(dn, 0, out_irq);
+		if (!rc)
+			return rc;
+	}
+
+	/*
+	 * Ok, we don't, time to have fun. Let's start by building up an
+	 * interrupt spec.  we assume #interrupt-cells is 1, which is standard
+	 * for PCI. If you do different, then don't use that routine.
+	 */
+	rc = pci_read_config_byte(pdev, PCI_INTERRUPT_PIN, &pin);
+	if (rc != 0)
+		goto err;
+	/* No pin, exit with no error message. */
+	if (pin == 0)
+		return -ENODEV;
+
+	/* Now we walk up the PCI tree */
+	for (;;) {
+		/* Get the pci_dev of our parent */
+		ppdev = pdev->bus->self;
+
+		/* Ouch, it's a host bridge... */
+		if (ppdev == NULL) {
+			ppnode = pci_bus_to_OF_node(pdev->bus);
+
+			/* No node for host bridge ? give up */
+			if (ppnode == NULL) {
+				rc = -EINVAL;
+				goto err;
+			}
+		} else {
+			/* We found a P2P bridge, check if it has a node */
+			ppnode = pci_device_to_OF_node(ppdev);
+		}
+
+		/*
+		 * Ok, we have found a parent with a device-node, hand over to
+		 * the OF parsing code.
+		 * We build a unit address from the linux device to be used for
+		 * resolution. Note that we use the linux bus number which may
+		 * not match your firmware bus numbering.
+		 * Fortunately, in most cases, interrupt-map-mask doesn't
+		 * include the bus number as part of the matching.
+		 * You should still be careful about that though if you intend
+		 * to rely on this function (you ship a firmware that doesn't
+		 * create device nodes for all PCI devices).
+		 */
+		if (ppnode)
+			break;
+
+		/*
+		 * We can only get here if we hit a P2P bridge with no node;
+		 * let's do standard swizzling and try again
+		 */
+		pin = pci_swizzle_interrupt_pin(pdev, pin);
+		pdev = ppdev;
+	}
+
+	out_irq->np = ppnode;
+	out_irq->args_count = 1;
+	out_irq->args[0] = pin;
+	laddr[0] = cpu_to_be32((pdev->bus->number << 16) | (pdev->devfn << 8));
+	laddr[1] = laddr[2] = cpu_to_be32(0);
+	rc = of_irq_parse_raw(laddr, out_irq);
+	if (rc)
+		goto err;
+	return 0;
+err:
+	if (rc == -ENOENT) {
+		dev_warn(&pdev->dev,
+			"%s: no interrupt-map found, INTx interrupts not available\n",
+			__func__);
+		pr_warn_once("%s: possibly some PCI slots don't have level triggered interrupts capability\n",
+			__func__);
+	} else {
+		dev_err(&pdev->dev, "%s: failed with rc=%d\n", __func__, rc);
+	}
+	return rc;
+}
+
+/**
+ * of_irq_parse_and_map_pci() - Decode a PCI IRQ from the device tree and map to a VIRQ
+ * @dev: The PCI device needing an IRQ
+ * @slot: PCI slot number; passed when used as map_irq callback. Unused
+ * @pin: PCI IRQ pin number; passed when used as map_irq callback. Unused
+ *
+ * @slot and @pin are unused, but included in the function so that this
+ * function can be used directly as the map_irq callback to
+ * pci_assign_irq() and struct pci_host_bridge.map_irq pointer
+ */
+int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+	struct of_phandle_args oirq;
+	int ret;
+
+	ret = of_irq_parse_pci(dev, &oirq);
+	if (ret)
+		return 0; /* Proper return code 0 == NO_IRQ */
+
+	return irq_create_of_mapping(&oirq);
+}
+EXPORT_SYMBOL_GPL(of_irq_parse_and_map_pci);
+#endif	/* CONFIG_OF_IRQ */
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 4708eb9df71b..189e6ccf3589 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -542,7 +542,7 @@ static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state)
 	}
 
 	if (!error)
-		dev_dbg(&dev->dev, "power state changed by ACPI to %s\n",
+		pci_dbg(dev, "power state changed by ACPI to %s\n",
 			 acpi_power_state_string(state_conv[state]));
 
 	return error;
diff --git a/drivers/pci/pci-stub.c b/drivers/pci/pci-stub.c
index 886fb3570278..e51789e2b6c7 100644
--- a/drivers/pci/pci-stub.c
+++ b/drivers/pci/pci-stub.c
@@ -28,7 +28,7 @@ MODULE_PARM_DESC(ids, "Initial PCI IDs to add to the stub driver, format is "
 
 static int pci_stub_probe(struct pci_dev *dev, const struct pci_device_id *id)
 {
-	dev_info(&dev->dev, "claimed by stub\n");
+	pci_info(dev, "claimed by stub\n");
 	return 0;
 }
 
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 06c7f0b85cd2..eb6bee8724cc 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -278,6 +278,16 @@ static ssize_t subordinate_bus_number_show(struct device *dev,
 }
 static DEVICE_ATTR_RO(subordinate_bus_number);
 
+static ssize_t ari_enabled_show(struct device *dev,
+				struct device_attribute *attr,
+				char *buf)
+{
+	struct pci_dev *pci_dev = to_pci_dev(dev);
+
+	return sprintf(buf, "%u\n", pci_ari_enabled(pci_dev->bus));
+}
+static DEVICE_ATTR_RO(ari_enabled);
+
 static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
 			     char *buf)
 {
@@ -348,7 +358,7 @@ static ssize_t numa_node_store(struct device *dev,
 		return -EINVAL;
 
 	add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK);
-	dev_alert(&pdev->dev, FW_BUG "Overriding NUMA node to %d.  Contact your vendor for updates.",
+	pci_alert(pdev, FW_BUG "Overriding NUMA node to %d.  Contact your vendor for updates.",
 		  node);
 
 	dev->numa_node = node;
@@ -411,7 +421,7 @@ static ssize_t msi_bus_store(struct device *dev, struct device_attribute *attr,
 	 */
 	if (!subordinate) {
 		pdev->no_msi = !val;
-		dev_info(&pdev->dev, "MSI/MSI-X %s for future drivers\n",
+		pci_info(pdev, "MSI/MSI-X %s for future drivers\n",
 			 val ? "allowed" : "disallowed");
 		return count;
 	}
@@ -613,7 +623,7 @@ static ssize_t sriov_numvfs_store(struct device *dev,
 
 	/* is PF driver loaded w/callback */
 	if (!pdev->driver || !pdev->driver->sriov_configure) {
-		dev_info(&pdev->dev, "Driver doesn't support SRIOV configuration via sysfs\n");
+		pci_info(pdev, "Driver doesn't support SRIOV configuration via sysfs\n");
 		ret = -ENOENT;
 		goto exit;
 	}
@@ -626,7 +636,7 @@ static ssize_t sriov_numvfs_store(struct device *dev,
 
 	/* enable VFs */
 	if (pdev->sriov->num_VFs) {
-		dev_warn(&pdev->dev, "%d VFs already enabled. Disable before enabling %d VFs\n",
+		pci_warn(pdev, "%d VFs already enabled. Disable before enabling %d VFs\n",
 			 pdev->sriov->num_VFs, num_vfs);
 		ret = -EBUSY;
 		goto exit;
@@ -637,7 +647,7 @@ static ssize_t sriov_numvfs_store(struct device *dev,
 		goto exit;
 
 	if (ret != num_vfs)
-		dev_warn(&pdev->dev, "%d VFs requested; only %d enabled\n",
+		pci_warn(pdev, "%d VFs requested; only %d enabled\n",
 			 num_vfs, ret);
 
 exit:
@@ -786,6 +796,7 @@ static struct attribute *pci_dev_attrs[] = {
 	&dev_attr_devspec.attr,
 #endif
 	&dev_attr_driver_override.attr,
+	&dev_attr_ari_enabled.attr,
 	NULL,
 };
 
@@ -1216,14 +1227,9 @@ static int pci_mmap_resource(struct kobject *kobj, struct bin_attribute *attr,
 	if (res->flags & IORESOURCE_MEM && iomem_is_exclusive(res->start))
 		return -EINVAL;
 
-	if (!pci_mmap_fits(pdev, bar, vma, PCI_MMAP_SYSFS)) {
-		WARN(1, "process \"%s\" tried to map 0x%08lx bytes at page 0x%08lx on %s BAR %d (start 0x%16Lx, size 0x%16Lx)\n",
-			current->comm, vma->vm_end-vma->vm_start, vma->vm_pgoff,
-			pci_name(pdev), bar,
-			(u64)pci_resource_start(pdev, bar),
-			(u64)pci_resource_len(pdev, bar));
+	if (!pci_mmap_fits(pdev, bar, vma, PCI_MMAP_SYSFS))
 		return -EINVAL;
-	}
+
 	mmap_type = res->flags & IORESOURCE_MEM ? pci_mmap_mem : pci_mmap_io;
 
 	return pci_mmap_resource_range(pdev, bar, vma, mmap_type, write_combine);
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 4a7c6864fdf4..364717edd992 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -156,7 +156,7 @@ void __iomem *pci_ioremap_bar(struct pci_dev *pdev, int bar)
 	 * Make sure the BAR is actually a memory resource, not an IO resource
 	 */
 	if (res->flags & IORESOURCE_UNSET || !(res->flags & IORESOURCE_MEM)) {
-		dev_warn(&pdev->dev, "can't ioremap BAR %d: %pR\n", bar, res);
+		pci_warn(pdev, "can't ioremap BAR %d: %pR\n", bar, res);
 		return NULL;
 	}
 	return ioremap_nocache(res->start, resource_size(res));
@@ -648,7 +648,7 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state)
 	 */
 	if (state != PCI_D0 && dev->current_state <= PCI_D3cold
 	    && dev->current_state > state) {
-		dev_err(&dev->dev, "invalid power transition (from state %d to %d)\n",
+		pci_err(dev, "invalid power transition (from state %d to %d)\n",
 			dev->current_state, state);
 		return -EINVAL;
 	}
@@ -696,7 +696,7 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state)
 	pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr);
 	dev->current_state = (pmcsr & PCI_PM_CTRL_STATE_MASK);
 	if (dev->current_state != state && printk_ratelimit())
-		dev_info(&dev->dev, "Refused to change power state, currently in D%d\n",
+		pci_info(dev, "Refused to change power state, currently in D%d\n",
 			 dev->current_state);
 
 	/*
@@ -970,7 +970,7 @@ pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state)
 	case PM_EVENT_HIBERNATE:
 		return PCI_D3hot;
 	default:
-		dev_info(&dev->dev, "unrecognized suspend event %d\n",
+		pci_info(dev, "unrecognized suspend event %d\n",
 			 state.event);
 		BUG();
 	}
@@ -1013,7 +1013,7 @@ static int pci_save_pcie_state(struct pci_dev *dev)
 
 	save_state = pci_find_saved_cap(dev, PCI_CAP_ID_EXP);
 	if (!save_state) {
-		dev_err(&dev->dev, "buffer not found in %s\n", __func__);
+		pci_err(dev, "buffer not found in %s\n", __func__);
 		return -ENOMEM;
 	}
 
@@ -1061,7 +1061,7 @@ static int pci_save_pcix_state(struct pci_dev *dev)
 
 	save_state = pci_find_saved_cap(dev, PCI_CAP_ID_PCIX);
 	if (!save_state) {
-		dev_err(&dev->dev, "buffer not found in %s\n", __func__);
+		pci_err(dev, "buffer not found in %s\n", __func__);
 		return -ENOMEM;
 	}
 
@@ -1121,7 +1121,7 @@ static void pci_restore_config_dword(struct pci_dev *pdev, int offset,
 		return;
 
 	for (;;) {
-		dev_dbg(&pdev->dev, "restoring config space at offset %#x (was %#x, writing %#x)\n",
+		pci_dbg(pdev, "restoring config space at offset %#x (was %#x, writing %#x)\n",
 			offset, val, saved_val);
 		pci_write_config_dword(pdev, offset, saved_val);
 		if (retry-- <= 0)
@@ -1358,7 +1358,7 @@ static void pci_enable_bridge(struct pci_dev *dev)
 
 	retval = pci_enable_device(dev);
 	if (retval)
-		dev_err(&dev->dev, "Error enabling bridge (%d), continuing\n",
+		pci_err(dev, "Error enabling bridge (%d), continuing\n",
 			retval);
 	pci_set_master(dev);
 }
@@ -1863,7 +1863,7 @@ void pci_pme_active(struct pci_dev *dev, bool enable)
 			pme_dev = kmalloc(sizeof(struct pci_pme_device),
 					  GFP_KERNEL);
 			if (!pme_dev) {
-				dev_warn(&dev->dev, "can't enable PME#\n");
+				pci_warn(dev, "can't enable PME#\n");
 				return;
 			}
 			pme_dev->dev = dev;
@@ -1887,7 +1887,7 @@ void pci_pme_active(struct pci_dev *dev, bool enable)
 		}
 	}
 
-	dev_dbg(&dev->dev, "PME# %s\n", enable ? "enabled" : "disabled");
+	pci_dbg(dev, "PME# %s\n", enable ? "enabled" : "disabled");
 }
 EXPORT_SYMBOL(pci_pme_active);
 
@@ -2424,7 +2424,7 @@ void pci_pm_init(struct pci_dev *dev)
 	pci_read_config_word(dev, pm + PCI_PM_PMC, &pmc);
 
 	if ((pmc & PCI_PM_CAP_VER_MASK) > 3) {
-		dev_err(&dev->dev, "unsupported PM cap regs version (%u)\n",
+		pci_err(dev, "unsupported PM cap regs version (%u)\n",
 			pmc & PCI_PM_CAP_VER_MASK);
 		return;
 	}
@@ -2444,15 +2444,14 @@ void pci_pm_init(struct pci_dev *dev)
 			dev->d2_support = true;
 
 		if (dev->d1_support || dev->d2_support)
-			dev_printk(KERN_DEBUG, &dev->dev, "supports%s%s\n",
+			pci_printk(KERN_DEBUG, dev, "supports%s%s\n",
 				   dev->d1_support ? " D1" : "",
 				   dev->d2_support ? " D2" : "");
 	}
 
 	pmc &= PCI_PM_CAP_PME_MASK;
 	if (pmc) {
-		dev_printk(KERN_DEBUG, &dev->dev,
-			 "PME# supported from%s%s%s%s%s\n",
+		pci_printk(KERN_DEBUG, dev, "PME# supported from%s%s%s%s%s\n",
 			 (pmc & PCI_PM_CAP_PME_D0) ? " D0" : "",
 			 (pmc & PCI_PM_CAP_PME_D1) ? " D1" : "",
 			 (pmc & PCI_PM_CAP_PME_D2) ? " D2" : "",
@@ -2544,13 +2543,13 @@ static int pci_ea_read(struct pci_dev *dev, int offset)
 
 	res = pci_ea_get_resource(dev, bei, prop);
 	if (!res) {
-		dev_err(&dev->dev, "Unsupported EA entry BEI: %u\n", bei);
+		pci_err(dev, "Unsupported EA entry BEI: %u\n", bei);
 		goto out;
 	}
 
 	flags = pci_ea_flags(dev, prop);
 	if (!flags) {
-		dev_err(&dev->dev, "Unsupported EA properties: %#x\n", prop);
+		pci_err(dev, "Unsupported EA properties: %#x\n", prop);
 		goto out;
 	}
 
@@ -2600,13 +2599,12 @@ static int pci_ea_read(struct pci_dev *dev, int offset)
 	}
 
 	if (end < start) {
-		dev_err(&dev->dev, "EA Entry crosses address boundary\n");
+		pci_err(dev, "EA Entry crosses address boundary\n");
 		goto out;
 	}
 
 	if (ent_size != ent_offset - offset) {
-		dev_err(&dev->dev,
-			"EA Entry Size (%d) does not match length read (%d)\n",
+		pci_err(dev, "EA Entry Size (%d) does not match length read (%d)\n",
 			ent_size, ent_offset - offset);
 		goto out;
 	}
@@ -2617,16 +2615,16 @@ static int pci_ea_read(struct pci_dev *dev, int offset)
 	res->flags = flags;
 
 	if (bei <= PCI_EA_BEI_BAR5)
-		dev_printk(KERN_DEBUG, &dev->dev, "BAR %d: %pR (from Enhanced Allocation, properties %#02x)\n",
+		pci_printk(KERN_DEBUG, dev, "BAR %d: %pR (from Enhanced Allocation, properties %#02x)\n",
 			   bei, res, prop);
 	else if (bei == PCI_EA_BEI_ROM)
-		dev_printk(KERN_DEBUG, &dev->dev, "ROM: %pR (from Enhanced Allocation, properties %#02x)\n",
+		pci_printk(KERN_DEBUG, dev, "ROM: %pR (from Enhanced Allocation, properties %#02x)\n",
 			   res, prop);
 	else if (bei >= PCI_EA_BEI_VF_BAR0 && bei <= PCI_EA_BEI_VF_BAR5)
-		dev_printk(KERN_DEBUG, &dev->dev, "VF BAR %d: %pR (from Enhanced Allocation, properties %#02x)\n",
+		pci_printk(KERN_DEBUG, dev, "VF BAR %d: %pR (from Enhanced Allocation, properties %#02x)\n",
 			   bei - PCI_EA_BEI_VF_BAR0, res, prop);
 	else
-		dev_printk(KERN_DEBUG, &dev->dev, "BEI %d res: %pR (from Enhanced Allocation, properties %#02x)\n",
+		pci_printk(KERN_DEBUG, dev, "BEI %d res: %pR (from Enhanced Allocation, properties %#02x)\n",
 			   bei, res, prop);
 
 out:
@@ -2723,13 +2721,11 @@ void pci_allocate_cap_save_buffers(struct pci_dev *dev)
 	error = pci_add_cap_save_buffer(dev, PCI_CAP_ID_EXP,
 					PCI_EXP_SAVE_REGS * sizeof(u16));
 	if (error)
-		dev_err(&dev->dev,
-			"unable to preallocate PCI Express save buffer\n");
+		pci_err(dev, "unable to preallocate PCI Express save buffer\n");
 
 	error = pci_add_cap_save_buffer(dev, PCI_CAP_ID_PCIX, sizeof(u16));
 	if (error)
-		dev_err(&dev->dev,
-			"unable to preallocate PCI-X save buffer\n");
+		pci_err(dev, "unable to preallocate PCI-X save buffer\n");
 
 	pci_allocate_vc_save_buffers(dev);
 }
@@ -3066,6 +3062,81 @@ int pci_rebar_set_size(struct pci_dev *pdev, int bar, int size)
 }
 
 /**
+ * pci_enable_atomic_ops_to_root - enable AtomicOp requests to root port
+ * @dev: the PCI device
+ * @cap_mask: mask of desired AtomicOp sizes, including one or more of:
+ *	PCI_EXP_DEVCAP2_ATOMIC_COMP32
+ *	PCI_EXP_DEVCAP2_ATOMIC_COMP64
+ *	PCI_EXP_DEVCAP2_ATOMIC_COMP128
+ *
+ * Return 0 if all upstream bridges support AtomicOp routing, egress
+ * blocking is disabled on all upstream ports, and the root port supports
+ * the requested completion capabilities (32-bit, 64-bit and/or 128-bit
+ * AtomicOp completion), or negative otherwise.
+ */
+int pci_enable_atomic_ops_to_root(struct pci_dev *dev, u32 cap_mask)
+{
+	struct pci_bus *bus = dev->bus;
+	struct pci_dev *bridge;
+	u32 cap, ctl2;
+
+	if (!pci_is_pcie(dev))
+		return -EINVAL;
+
+	/*
+	 * Per PCIe r4.0, sec 6.15, endpoints and root ports may be
+	 * AtomicOp requesters.  For now, we only support endpoints as
+	 * requesters and root ports as completers.  No endpoints as
+	 * completers, and no peer-to-peer.
+	 */
+
+	switch (pci_pcie_type(dev)) {
+	case PCI_EXP_TYPE_ENDPOINT:
+	case PCI_EXP_TYPE_LEG_END:
+	case PCI_EXP_TYPE_RC_END:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	while (bus->parent) {
+		bridge = bus->self;
+
+		pcie_capability_read_dword(bridge, PCI_EXP_DEVCAP2, &cap);
+
+		switch (pci_pcie_type(bridge)) {
+		/* Ensure switch ports support AtomicOp routing */
+		case PCI_EXP_TYPE_UPSTREAM:
+		case PCI_EXP_TYPE_DOWNSTREAM:
+			if (!(cap & PCI_EXP_DEVCAP2_ATOMIC_ROUTE))
+				return -EINVAL;
+			break;
+
+		/* Ensure root port supports all the sizes we care about */
+		case PCI_EXP_TYPE_ROOT_PORT:
+			if ((cap & cap_mask) != cap_mask)
+				return -EINVAL;
+			break;
+		}
+
+		/* Ensure upstream ports don't block AtomicOps on egress */
+		if (!bridge->has_secondary_link) {
+			pcie_capability_read_dword(bridge, PCI_EXP_DEVCTL2,
+						   &ctl2);
+			if (ctl2 & PCI_EXP_DEVCTL2_ATOMIC_EGRESS_BLOCK)
+				return -EINVAL;
+		}
+
+		bus = bus->parent;
+	}
+
+	pcie_capability_set_word(dev, PCI_EXP_DEVCTL2,
+				 PCI_EXP_DEVCTL2_ATOMIC_REQ);
+	return 0;
+}
+EXPORT_SYMBOL(pci_enable_atomic_ops_to_root);
+
+/**
  * pci_swizzle_interrupt_pin - swizzle INTx for device behind bridge
  * @dev: the PCI device
  * @pin: the INTx pin (1=INTA, 2=INTB, 3=INTC, 4=INTD)
@@ -3198,7 +3269,7 @@ static int __pci_request_region(struct pci_dev *pdev, int bar,
 	return 0;
 
 err_out:
-	dev_warn(&pdev->dev, "BAR %d: can't reserve %pR\n", bar,
+	pci_warn(pdev, "BAR %d: can't reserve %pR\n", bar,
 		 &pdev->resource[bar]);
 	return -EBUSY;
 }
@@ -3621,7 +3692,7 @@ static void __pci_set_master(struct pci_dev *dev, bool enable)
 	else
 		cmd = old_cmd & ~PCI_COMMAND_MASTER;
 	if (cmd != old_cmd) {
-		dev_dbg(&dev->dev, "%s bus mastering\n",
+		pci_dbg(dev, "%s bus mastering\n",
 			enable ? "enabling" : "disabling");
 		pci_write_config_word(dev, PCI_COMMAND, cmd);
 	}
@@ -3722,7 +3793,7 @@ int pci_set_cacheline_size(struct pci_dev *dev)
 	if (cacheline_size == pci_cache_line_size)
 		return 0;
 
-	dev_printk(KERN_DEBUG, &dev->dev, "cache line size of %d is not supported\n",
+	pci_printk(KERN_DEBUG, dev, "cache line size of %d is not supported\n",
 		   pci_cache_line_size << 2);
 
 	return -EINVAL;
@@ -3751,7 +3822,7 @@ int pci_set_mwi(struct pci_dev *dev)
 
 	pci_read_config_word(dev, PCI_COMMAND, &cmd);
 	if (!(cmd & PCI_COMMAND_INVALIDATE)) {
-		dev_dbg(&dev->dev, "enabling Mem-Wr-Inval\n");
+		pci_dbg(dev, "enabling Mem-Wr-Inval\n");
 		cmd |= PCI_COMMAND_INVALIDATE;
 		pci_write_config_word(dev, PCI_COMMAND, cmd);
 	}
@@ -3947,13 +4018,13 @@ static void pci_flr_wait(struct pci_dev *dev)
 	pci_read_config_dword(dev, PCI_COMMAND, &id);
 	while (id == ~0) {
 		if (delay > timeout) {
-			dev_warn(&dev->dev, "not ready %dms after FLR; giving up\n",
+			pci_warn(dev, "not ready %dms after FLR; giving up\n",
 				 100 + delay - 1);
 			return;
 		}
 
 		if (delay > 1000)
-			dev_info(&dev->dev, "not ready %dms after FLR; waiting\n",
+			pci_info(dev, "not ready %dms after FLR; waiting\n",
 				 100 + delay - 1);
 
 		msleep(delay);
@@ -3962,7 +4033,7 @@ static void pci_flr_wait(struct pci_dev *dev)
 	}
 
 	if (delay > 1000)
-		dev_info(&dev->dev, "ready %dms after FLR\n", 100 + delay - 1);
+		pci_info(dev, "ready %dms after FLR\n", 100 + delay - 1);
 }
 
 /**
@@ -3994,7 +4065,7 @@ static bool pcie_has_flr(struct pci_dev *dev)
 void pcie_flr(struct pci_dev *dev)
 {
 	if (!pci_wait_for_pending_transaction(dev))
-		dev_err(&dev->dev, "timed out waiting for pending transaction; performing function level reset anyway\n");
+		pci_err(dev, "timed out waiting for pending transaction; performing function level reset anyway\n");
 
 	pcie_capability_set_word(dev, PCI_EXP_DEVCTL, PCI_EXP_DEVCTL_BCR_FLR);
 	pci_flr_wait(dev);
@@ -4027,7 +4098,7 @@ static int pci_af_flr(struct pci_dev *dev, int probe)
 	 */
 	if (!pci_wait_for_pending(dev, pos + PCI_AF_CTRL,
 				 PCI_AF_STATUS_TP << 8))
-		dev_err(&dev->dev, "timed out waiting for pending transaction; performing AF function level reset anyway\n");
+		pci_err(dev, "timed out waiting for pending transaction; performing AF function level reset anyway\n");
 
 	pci_write_config_byte(dev, pos + PCI_AF_CTRL, PCI_AF_CTRL_FLR);
 	pci_flr_wait(dev);
@@ -5150,12 +5221,12 @@ void pci_add_dma_alias(struct pci_dev *dev, u8 devfn)
 		dev->dma_alias_mask = kcalloc(BITS_TO_LONGS(U8_MAX),
 					      sizeof(long), GFP_KERNEL);
 	if (!dev->dma_alias_mask) {
-		dev_warn(&dev->dev, "Unable to allocate DMA alias mask\n");
+		pci_warn(dev, "Unable to allocate DMA alias mask\n");
 		return;
 	}
 
 	set_bit(devfn, dev->dma_alias_mask);
-	dev_info(&dev->dev, "Enabling fixed DMA alias to %02x.%d\n",
+	pci_info(dev, "Enabling fixed DMA alias to %02x.%d\n",
 		 PCI_SLOT(devfn), PCI_FUNC(devfn));
 }
 
@@ -5304,7 +5375,7 @@ static void pci_request_resource_alignment(struct pci_dev *dev, int bar,
 		return;
 
 	if (r->flags & IORESOURCE_PCI_FIXED) {
-		dev_info(&dev->dev, "BAR%d %pR: ignoring requested alignment %#llx\n",
+		pci_info(dev, "BAR%d %pR: ignoring requested alignment %#llx\n",
 			 bar, r, (unsigned long long)align);
 		return;
 	}
@@ -5341,7 +5412,7 @@ static void pci_request_resource_alignment(struct pci_dev *dev, int bar,
 	 * devices and we use the second.
 	 */
 
-	dev_info(&dev->dev, "BAR%d %pR: requesting alignment to %#llx\n",
+	pci_info(dev, "BAR%d %pR: requesting alignment to %#llx\n",
 		 bar, r, (unsigned long long)align);
 
 	if (resize) {
@@ -5387,13 +5458,11 @@ void pci_reassigndev_resource_alignment(struct pci_dev *dev)
 
 	if (dev->hdr_type == PCI_HEADER_TYPE_NORMAL &&
 	    (dev->class >> 8) == PCI_CLASS_BRIDGE_HOST) {
-		dev_warn(&dev->dev,
-			"Can't reassign resources to host bridge.\n");
+		pci_warn(dev, "Can't reassign resources to host bridge\n");
 		return;
 	}
 
-	dev_info(&dev->dev,
-		"Disabling memory decoding and releasing memory resources.\n");
+	pci_info(dev, "Disabling memory decoding and releasing memory resources\n");
 	pci_read_config_word(dev, PCI_COMMAND, &command);
 	command &= ~PCI_COMMAND_MEMORY;
 	pci_write_config_word(dev, PCI_COMMAND, command);
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index f6b58b32a67c..fcd81911b127 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -38,21 +38,21 @@ int pci_probe_reset_function(struct pci_dev *dev);
  * struct pci_platform_pm_ops - Firmware PM callbacks
  *
  * @is_manageable: returns 'true' if given device is power manageable by the
- *                 platform firmware
+ *		   platform firmware
  *
  * @set_state: invokes the platform firmware to set the device's power state
  *
  * @get_state: queries the platform firmware for a device's current power state
  *
  * @choose_state: returns PCI power state of given device preferred by the
- *                platform; to be used during system-wide transitions from a
- *                sleeping state to the working state and vice versa
+ *		  platform; to be used during system-wide transitions from a
+ *		  sleeping state to the working state and vice versa
  *
  * @set_wakeup: enables/disables wakeup capability for the device
  *
  * @need_resume: returns 'true' if the given device (which is currently
- *		suspended) needs to be resumed to be configured for system
- *		wakeup.
+ *		 suspended) needs to be resumed to be configured for system
+ *		 wakeup.
  *
  * If given platform is generally capable of power managing PCI devices, all of
  * these callbacks are mandatory.
@@ -112,7 +112,7 @@ struct pci_vpd_ops {
 
 struct pci_vpd {
 	const struct pci_vpd_ops *ops;
-	struct bin_attribute *attr; /* descriptor for sysfs VPD entry */
+	struct bin_attribute *attr;	/* Descriptor for sysfs VPD entry */
 	struct mutex	lock;
 	unsigned int	len;
 	u16		flag;
@@ -199,7 +199,7 @@ extern const struct attribute_group *pci_bus_groups[];
 
 /**
  * pci_match_one_device - Tell if a PCI device structure has a matching
- *                        PCI device id structure
+ *			  PCI device id structure
  * @id: single PCI device id structure to match
  * @dev: the PCI device structure to match against
  *
@@ -231,7 +231,7 @@ struct pci_slot_attribute {
 
 enum pci_bar_type {
 	pci_bar_unknown,	/* Standard PCI BAR probe */
-	pci_bar_io,		/* An io port BAR */
+	pci_bar_io,		/* An I/O port BAR */
 	pci_bar_mem32,		/* A 32-bit memory BAR */
 	pci_bar_mem64,		/* A 64-bit memory BAR */
 };
@@ -255,24 +255,24 @@ void pci_disable_bridge_window(struct pci_dev *dev);
 
 /* Single Root I/O Virtualization */
 struct pci_sriov {
-	int pos;		/* capability position */
-	int nres;		/* number of resources */
-	u32 cap;		/* SR-IOV Capabilities */
-	u16 ctrl;		/* SR-IOV Control */
-	u16 total_VFs;		/* total VFs associated with the PF */
-	u16 initial_VFs;	/* initial VFs associated with the PF */
-	u16 num_VFs;		/* number of VFs available */
-	u16 offset;		/* first VF Routing ID offset */
-	u16 stride;		/* following VF stride */
-	u16 vf_device;		/* VF device ID */
-	u32 pgsz;		/* page size for BAR alignment */
-	u8 link;		/* Function Dependency Link */
-	u8 max_VF_buses;	/* max buses consumed by VFs */
-	u16 driver_max_VFs;	/* max num VFs driver supports */
-	struct pci_dev *dev;	/* lowest numbered PF */
-	struct pci_dev *self;	/* this PF */
-	resource_size_t barsz[PCI_SRIOV_NUM_BARS];	/* VF BAR size */
-	bool drivers_autoprobe;	/* auto probing of VFs by driver */
+	int		pos;		/* Capability position */
+	int		nres;		/* Number of resources */
+	u32		cap;		/* SR-IOV Capabilities */
+	u16		ctrl;		/* SR-IOV Control */
+	u16		total_VFs;	/* Total VFs associated with the PF */
+	u16		initial_VFs;	/* Initial VFs associated with the PF */
+	u16		num_VFs;	/* Number of VFs available */
+	u16		offset;		/* First VF Routing ID offset */
+	u16		stride;		/* Following VF stride */
+	u16		vf_device;	/* VF device ID */
+	u32		pgsz;		/* Page size for BAR alignment */
+	u8		link;		/* Function Dependency Link */
+	u8		max_VF_buses;	/* Max buses consumed by VFs */
+	u16		driver_max_VFs;	/* Max num VFs driver supports */
+	struct pci_dev	*dev;		/* Lowest numbered PF */
+	struct pci_dev	*self;		/* This PF */
+	resource_size_t	barsz[PCI_SRIOV_NUM_BARS];	/* VF BAR size */
+	bool		drivers_autoprobe; /* Auto probing of VFs by driver */
 };
 
 /* pci_dev priv_flags */
@@ -335,13 +335,33 @@ static inline resource_size_t pci_resource_alignment(struct pci_dev *dev,
 	if (resno >= PCI_IOV_RESOURCES && resno <= PCI_IOV_RESOURCE_END)
 		return pci_sriov_resource_alignment(dev, resno);
 #endif
-	if (dev->class >> 8  == PCI_CLASS_BRIDGE_CARDBUS)
+	if (dev->class >> 8 == PCI_CLASS_BRIDGE_CARDBUS)
 		return pci_cardbus_resource_alignment(res);
 	return resource_alignment(res);
 }
 
 void pci_enable_acs(struct pci_dev *dev);
 
+#ifdef CONFIG_PCIEASPM
+void pcie_aspm_init_link_state(struct pci_dev *pdev);
+void pcie_aspm_exit_link_state(struct pci_dev *pdev);
+void pcie_aspm_pm_state_change(struct pci_dev *pdev);
+void pcie_aspm_powersave_config_link(struct pci_dev *pdev);
+#else
+static inline void pcie_aspm_init_link_state(struct pci_dev *pdev) { }
+static inline void pcie_aspm_exit_link_state(struct pci_dev *pdev) { }
+static inline void pcie_aspm_pm_state_change(struct pci_dev *pdev) { }
+static inline void pcie_aspm_powersave_config_link(struct pci_dev *pdev) { }
+#endif
+
+#ifdef CONFIG_PCIEASPM_DEBUG
+void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev);
+void pcie_aspm_remove_sysfs_dev_files(struct pci_dev *pdev);
+#else
+static inline void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev) { }
+static inline void pcie_aspm_remove_sysfs_dev_files(struct pci_dev *pdev) { }
+#endif
+
 #ifdef CONFIG_PCIE_PTM
 void pci_ptm_init(struct pci_dev *dev);
 #else
diff --git a/drivers/pci/pcie/Kconfig b/drivers/pci/pcie/Kconfig
index ac53edbc9613..d658dfa53b87 100644
--- a/drivers/pci/pcie/Kconfig
+++ b/drivers/pci/pcie/Kconfig
@@ -92,7 +92,7 @@ config PCIE_PME
 
 config PCIE_DPC
 	bool "PCIe Downstream Port Containment support"
-	depends on PCIEPORTBUS
+	depends on PCIEPORTBUS && PCIEAER
 	default n
 	help
 	  This enables PCI Express Downstream Port Containment (DPC)
diff --git a/drivers/pci/pcie/aer/aer_inject.c b/drivers/pci/pcie/aer/aer_inject.c
index 2b6a59266689..b77c01e63673 100644
--- a/drivers/pci/pcie/aer/aer_inject.c
+++ b/drivers/pci/pcie/aer/aer_inject.c
@@ -344,14 +344,14 @@ static int aer_inject(struct aer_error_inj *einj)
 		return -ENODEV;
 	rpdev = pcie_find_root_port(dev);
 	if (!rpdev) {
-		dev_err(&dev->dev, "aer_inject: Root port not found\n");
+		pci_err(dev, "aer_inject: Root port not found\n");
 		ret = -ENODEV;
 		goto out_put;
 	}
 
 	pos_cap_err = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
 	if (!pos_cap_err) {
-		dev_err(&dev->dev, "aer_inject: Device doesn't support AER\n");
+		pci_err(dev, "aer_inject: Device doesn't support AER\n");
 		ret = -EPROTONOSUPPORT;
 		goto out_put;
 	}
@@ -362,8 +362,7 @@ static int aer_inject(struct aer_error_inj *einj)
 
 	rp_pos_cap_err = pci_find_ext_capability(rpdev, PCI_EXT_CAP_ID_ERR);
 	if (!rp_pos_cap_err) {
-		dev_err(&rpdev->dev,
-			"aer_inject: Root port doesn't support AER\n");
+		pci_err(rpdev, "aer_inject: Root port doesn't support AER\n");
 		ret = -EPROTONOSUPPORT;
 		goto out_put;
 	}
@@ -411,16 +410,14 @@ static int aer_inject(struct aer_error_inj *einj)
 	if (!aer_mask_override && einj->cor_status &&
 	    !(einj->cor_status & ~cor_mask)) {
 		ret = -EINVAL;
-		dev_warn(&dev->dev,
-			 "aer_inject: The correctable error(s) is masked by device\n");
+		pci_warn(dev, "aer_inject: The correctable error(s) is masked by device\n");
 		spin_unlock_irqrestore(&inject_lock, flags);
 		goto out_put;
 	}
 	if (!aer_mask_override && einj->uncor_status &&
 	    !(einj->uncor_status & ~uncor_mask)) {
 		ret = -EINVAL;
-		dev_warn(&dev->dev,
-			 "aer_inject: The uncorrectable error(s) is masked by device\n");
+		pci_warn(dev, "aer_inject: The uncorrectable error(s) is masked by device\n");
 		spin_unlock_irqrestore(&inject_lock, flags);
 		goto out_put;
 	}
@@ -483,7 +480,7 @@ static int aer_inject(struct aer_error_inj *einj)
 			 einj->cor_status, einj->uncor_status, pci_name(dev));
 		aer_irq(-1, edev);
 	} else {
-		dev_err(&rpdev->dev, "aer_inject: AER device not found\n");
+		pci_err(rpdev, "aer_inject: AER device not found\n");
 		ret = -ENODEV;
 	}
 out_put:
diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c
index 6ff5f5b4f5e6..bf6c9833a857 100644
--- a/drivers/pci/pcie/aer/aerdrv.c
+++ b/drivers/pci/pcie/aer/aerdrv.c
@@ -326,7 +326,7 @@ static pci_ers_result_t aer_root_reset(struct pci_dev *dev)
 	pci_write_config_dword(dev, pos + PCI_ERR_ROOT_COMMAND, reg32);
 
 	pci_reset_bridge_secondary_bus(dev);
-	dev_printk(KERN_DEBUG, &dev->dev, "Root Port link has been reset\n");
+	pci_printk(KERN_DEBUG, dev, "Root Port link has been reset\n");
 
 	/* Clear Root Error Status */
 	pci_read_config_dword(dev, pos + PCI_ERR_ROOT_STATUS, &reg32);
diff --git a/drivers/pci/pcie/aer/aerdrv.h b/drivers/pci/pcie/aer/aerdrv.h
index 5449e5ce139d..7c833a1d897e 100644
--- a/drivers/pci/pcie/aer/aerdrv.h
+++ b/drivers/pci/pcie/aer/aerdrv.h
@@ -107,6 +107,7 @@ static inline pci_ers_result_t merge_result(enum pci_ers_result orig,
 }
 
 extern struct bus_type pcie_port_bus_type;
+int aer_get_device_error_info(struct pci_dev *dev, struct aer_err_info *info);
 void aer_isr(struct work_struct *work);
 void aer_print_error(struct pci_dev *dev, struct aer_err_info *info);
 void aer_print_port_info(struct pci_dev *dev, struct aer_err_info *info);
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index 8d7448063fd1..495cd934269a 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -226,9 +226,8 @@ static bool find_source_device(struct pci_dev *parent,
 	pci_walk_bus(parent->subordinate, find_device_iter, e_info);
 
 	if (!e_info->error_dev_num) {
-		dev_printk(KERN_DEBUG, &parent->dev,
-				"can't find device of ID%04x\n",
-				e_info->id);
+		pci_printk(KERN_DEBUG, parent, "can't find device of ID%04x\n",
+			   e_info->id);
 		return false;
 	}
 	return true;
@@ -256,7 +255,7 @@ static int report_error_detected(struct pci_dev *dev, void *data)
 			 * of a driver for this device is unaware of
 			 * its hw state.
 			 */
-			dev_printk(KERN_DEBUG, &dev->dev, "device has %s\n",
+			pci_printk(KERN_DEBUG, dev, "device has %s\n",
 				   dev->driver ?
 				   "no AER-aware driver" : "no driver");
 		}
@@ -366,7 +365,7 @@ static pci_ers_result_t broadcast_error_message(struct pci_dev *dev,
 {
 	struct aer_broadcast_data result_data;
 
-	dev_printk(KERN_DEBUG, &dev->dev, "broadcast %s message\n", error_mesg);
+	pci_printk(KERN_DEBUG, dev, "broadcast %s message\n", error_mesg);
 	result_data.state = state;
 	if (cb == report_error_detected)
 		result_data.result = PCI_ERS_RESULT_CAN_RECOVER;
@@ -415,7 +414,7 @@ static pci_ers_result_t broadcast_error_message(struct pci_dev *dev,
 static pci_ers_result_t default_reset_link(struct pci_dev *dev)
 {
 	pci_reset_bridge_secondary_bus(dev);
-	dev_printk(KERN_DEBUG, &dev->dev, "downstream link has been reset\n");
+	pci_printk(KERN_DEBUG, dev, "downstream link has been reset\n");
 	return PCI_ERS_RESULT_RECOVERED;
 }
 
@@ -467,15 +466,13 @@ static pci_ers_result_t reset_link(struct pci_dev *dev)
 	} else if (udev->has_secondary_link) {
 		status = default_reset_link(udev);
 	} else {
-		dev_printk(KERN_DEBUG, &dev->dev,
-			"no link-reset support at upstream device %s\n",
+		pci_printk(KERN_DEBUG, dev, "no link-reset support at upstream device %s\n",
 			pci_name(udev));
 		return PCI_ERS_RESULT_DISCONNECT;
 	}
 
 	if (status != PCI_ERS_RESULT_RECOVERED) {
-		dev_printk(KERN_DEBUG, &dev->dev,
-			"link reset at upstream device %s failed\n",
+		pci_printk(KERN_DEBUG, dev, "link reset at upstream device %s failed\n",
 			pci_name(udev));
 		return PCI_ERS_RESULT_DISCONNECT;
 	}
@@ -539,13 +536,13 @@ static void do_recovery(struct pci_dev *dev, int severity)
 				"resume",
 				report_resume);
 
-	dev_info(&dev->dev, "AER: Device recovery successful\n");
+	pci_info(dev, "AER: Device recovery successful\n");
 	return;
 
 failed:
 	pci_uevent_ers(dev, PCI_ERS_RESULT_DISCONNECT);
 	/* TODO: Should kernel panic here? */
-	dev_info(&dev->dev, "AER: Device recovery failed\n");
+	pci_info(dev, "AER: Device recovery failed\n");
 }
 
 /**
@@ -636,14 +633,15 @@ static void aer_recover_work_func(struct work_struct *work)
 			continue;
 		}
 		cper_print_aer(pdev, entry.severity, entry.regs);
-		do_recovery(pdev, entry.severity);
+		if (entry.severity != AER_CORRECTABLE)
+			do_recovery(pdev, entry.severity);
 		pci_dev_put(pdev);
 	}
 }
 #endif
 
 /**
- * get_device_error_info - read error status from dev and store it to info
+ * aer_get_device_error_info - read error status from dev and store it to info
  * @dev: pointer to the device expected to have a error record
  * @info: pointer to structure to store the error record
  *
@@ -651,7 +649,7 @@ static void aer_recover_work_func(struct work_struct *work)
  *
  * Note that @info is reused among all error devices. Clear fields properly.
  */
-static int get_device_error_info(struct pci_dev *dev, struct aer_err_info *info)
+int aer_get_device_error_info(struct pci_dev *dev, struct aer_err_info *info)
 {
 	int pos, temp;
 
@@ -663,7 +661,7 @@ static int get_device_error_info(struct pci_dev *dev, struct aer_err_info *info)
 
 	/* The device might not support AER */
 	if (!pos)
-		return 1;
+		return 0;
 
 	if (info->severity == AER_CORRECTABLE) {
 		pci_read_config_dword(dev, pos + PCI_ERR_COR_STATUS,
@@ -710,11 +708,11 @@ static inline void aer_process_err_devices(struct pcie_device *p_device,
 
 	/* Report all before handle them, not to lost records by reset etc. */
 	for (i = 0; i < e_info->error_dev_num && e_info->dev[i]; i++) {
-		if (get_device_error_info(e_info->dev[i], e_info))
+		if (aer_get_device_error_info(e_info->dev[i], e_info))
 			aer_print_error(e_info->dev[i], e_info);
 	}
 	for (i = 0; i < e_info->error_dev_num && e_info->dev[i]; i++) {
-		if (get_device_error_info(e_info->dev[i], e_info))
+		if (aer_get_device_error_info(e_info->dev[i], e_info))
 			handle_error_source(p_device, e_info->dev[i], e_info);
 	}
 }
diff --git a/drivers/pci/pcie/aer/aerdrv_errprint.c b/drivers/pci/pcie/aer/aerdrv_errprint.c
index 54c4b691e51f..0a7004a76735 100644
--- a/drivers/pci/pcie/aer/aerdrv_errprint.c
+++ b/drivers/pci/pcie/aer/aerdrv_errprint.c
@@ -132,7 +132,7 @@ static const char *aer_agent_string[] = {
 static void __print_tlp_header(struct pci_dev *dev,
 			       struct aer_header_log_regs *t)
 {
-	dev_err(&dev->dev, "  TLP Header: %08x %08x %08x %08x\n",
+	pci_err(dev, "  TLP Header: %08x %08x %08x %08x\n",
 		t->dw0, t->dw1, t->dw2, t->dw3);
 }
 
@@ -155,10 +155,10 @@ static void __aer_print_error(struct pci_dev *dev,
 				aer_uncorrectable_error_string[i] : NULL;
 
 		if (errmsg)
-			dev_err(&dev->dev, "   [%2d] %-22s%s\n", i, errmsg,
+			pci_err(dev, "   [%2d] %-22s%s\n", i, errmsg,
 				info->first_error == i ? " (First)" : "");
 		else
-			dev_err(&dev->dev, "   [%2d] Unknown Error Bit%s\n",
+			pci_err(dev, "   [%2d] Unknown Error Bit%s\n",
 				i, info->first_error == i ? " (First)" : "");
 	}
 }
@@ -169,7 +169,7 @@ void aer_print_error(struct pci_dev *dev, struct aer_err_info *info)
 	int id = ((dev->bus->number << 8) | dev->devfn);
 
 	if (!info->status) {
-		dev_err(&dev->dev, "PCIe Bus Error: severity=%s, type=Unaccessible, id=%04x(Unregistered Agent ID)\n",
+		pci_err(dev, "PCIe Bus Error: severity=%s, type=Unaccessible, id=%04x(Unregistered Agent ID)\n",
 			aer_error_severity_string[info->severity], id);
 		goto out;
 	}
@@ -177,11 +177,11 @@ void aer_print_error(struct pci_dev *dev, struct aer_err_info *info)
 	layer = AER_GET_LAYER_ERROR(info->severity, info->status);
 	agent = AER_GET_AGENT(info->severity, info->status);
 
-	dev_err(&dev->dev, "PCIe Bus Error: severity=%s, type=%s, id=%04x(%s)\n",
+	pci_err(dev, "PCIe Bus Error: severity=%s, type=%s, id=%04x(%s)\n",
 		aer_error_severity_string[info->severity],
 		aer_error_layer[layer], id, aer_agent_string[agent]);
 
-	dev_err(&dev->dev, "  device [%04x:%04x] error status/mask=%08x/%08x\n",
+	pci_err(dev, "  device [%04x:%04x] error status/mask=%08x/%08x\n",
 		dev->vendor, dev->device,
 		info->status, info->mask);
 
@@ -192,7 +192,7 @@ void aer_print_error(struct pci_dev *dev, struct aer_err_info *info)
 
 out:
 	if (info->id && info->error_dev_num > 1 && info->id == id)
-		dev_err(&dev->dev, "  Error of this Agent(%04x) is reported first\n", id);
+		pci_err(dev, "  Error of this Agent(%04x) is reported first\n", id);
 
 	trace_aer_event(dev_name(&dev->dev), (info->status & ~info->mask),
 			info->severity);
@@ -200,7 +200,7 @@ out:
 
 void aer_print_port_info(struct pci_dev *dev, struct aer_err_info *info)
 {
-	dev_info(&dev->dev, "AER: %s%s error received: id=%04x\n",
+	pci_info(dev, "AER: %s%s error received: id=%04x\n",
 		info->multi_error_valid ? "Multiple " : "",
 		aer_error_severity_string[info->severity], info->id);
 }
@@ -242,13 +242,13 @@ void cper_print_aer(struct pci_dev *dev, int aer_severity,
 	layer = AER_GET_LAYER_ERROR(aer_severity, status);
 	agent = AER_GET_AGENT(aer_severity, status);
 
-	dev_err(&dev->dev, "aer_status: 0x%08x, aer_mask: 0x%08x\n", status, mask);
+	pci_err(dev, "aer_status: 0x%08x, aer_mask: 0x%08x\n", status, mask);
 	cper_print_bits("", status, status_strs, status_strs_size);
-	dev_err(&dev->dev, "aer_layer=%s, aer_agent=%s\n",
+	pci_err(dev, "aer_layer=%s, aer_agent=%s\n",
 		aer_error_layer[layer], aer_agent_string[agent]);
 
 	if (aer_severity != AER_CORRECTABLE)
-		dev_err(&dev->dev, "aer_uncor_severity: 0x%08x\n",
+		pci_err(dev, "aer_uncor_severity: 0x%08x\n",
 			aer->uncor_severity);
 
 	if (tlp_header_valid)
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 9783e10da3a9..57feef2ecfe7 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -43,18 +43,6 @@
 #define ASPM_STATE_ALL		(ASPM_STATE_L0S | ASPM_STATE_L1 |	\
 				 ASPM_STATE_L1SS)
 
-/*
- * When L1 substates are enabled, the LTR L1.2 threshold is a timing parameter
- * that decides whether L1.1 or L1.2 is entered (Refer PCIe spec for details).
- * Not sure is there is a way to "calculate" this on the fly, but maybe we
- * could turn it into a parameter in future.  This value has been taken from
- * the following files from Intel's coreboot (which is the only code I found
- * to have used this):
- * https://www.coreboot.org/pipermail/coreboot-gerrit/2015-March/021134.html
- * https://review.coreboot.org/#/c/8832/
- */
-#define LTR_L1_2_THRESHOLD_BITS	((1 << 21) | (1 << 23) | (1 << 30))
-
 struct aspm_latency {
 	u32 l0s;			/* L0s latency (nsec) */
 	u32 l1;				/* L1 latency (nsec) */
@@ -278,7 +266,7 @@ static void pcie_aspm_configure_common_clock(struct pcie_link_state *link)
 		return;
 
 	/* Training failed. Restore common clock configurations */
-	dev_err(&parent->dev, "ASPM: Could not configure common clock\n");
+	pci_err(parent, "ASPM: Could not configure common clock\n");
 	list_for_each_entry(child, &linkbus->devices, bus_list)
 		pcie_capability_write_word(child, PCI_EXP_LNKCTL,
 					   child_reg[PCI_FUNC(child->devfn)]);
@@ -328,11 +316,36 @@ static u32 calc_l1ss_pwron(struct pci_dev *pdev, u32 scale, u32 val)
 	case 2:
 		return val * 100;
 	}
-	dev_err(&pdev->dev, "%s: Invalid T_PwrOn scale: %u\n",
-		__func__, scale);
+	pci_err(pdev, "%s: Invalid T_PwrOn scale: %u\n", __func__, scale);
 	return 0;
 }
 
+static void encode_l12_threshold(u32 threshold_us, u32 *scale, u32 *value)
+{
+	u64 threshold_ns = threshold_us * 1000;
+
+	/* See PCIe r3.1, sec 7.33.3 and sec 6.18 */
+	if (threshold_ns < 32) {
+		*scale = 0;
+		*value = threshold_ns;
+	} else if (threshold_ns < 1024) {
+		*scale = 1;
+		*value = threshold_ns >> 5;
+	} else if (threshold_ns < 32768) {
+		*scale = 2;
+		*value = threshold_ns >> 10;
+	} else if (threshold_ns < 1048576) {
+		*scale = 3;
+		*value = threshold_ns >> 15;
+	} else if (threshold_ns < 33554432) {
+		*scale = 4;
+		*value = threshold_ns >> 20;
+	} else {
+		*scale = 5;
+		*value = threshold_ns >> 25;
+	}
+}
+
 struct aspm_register_info {
 	u32 support:2;
 	u32 enabled:2;
@@ -443,6 +456,7 @@ static void aspm_calc_l1ss_info(struct pcie_link_state *link,
 				struct aspm_register_info *dwreg)
 {
 	u32 val1, val2, scale1, scale2;
+	u32 t_common_mode, t_power_on, l1_2_threshold, scale, value;
 
 	link->l1ss.up_cap_ptr = upreg->l1ss_cap_ptr;
 	link->l1ss.dw_cap_ptr = dwreg->l1ss_cap_ptr;
@@ -454,16 +468,7 @@ static void aspm_calc_l1ss_info(struct pcie_link_state *link,
 	/* Choose the greater of the two Port Common_Mode_Restore_Times */
 	val1 = (upreg->l1ss_cap & PCI_L1SS_CAP_CM_RESTORE_TIME) >> 8;
 	val2 = (dwreg->l1ss_cap & PCI_L1SS_CAP_CM_RESTORE_TIME) >> 8;
-	if (val1 > val2)
-		link->l1ss.ctl1 |= val1 << 8;
-	else
-		link->l1ss.ctl1 |= val2 << 8;
-
-	/*
-	 * We currently use LTR L1.2 threshold to be fixed constant picked from
-	 * Intel's coreboot.
-	 */
-	link->l1ss.ctl1 |= LTR_L1_2_THRESHOLD_BITS;
+	t_common_mode = max(val1, val2);
 
 	/* Choose the greater of the two Port T_POWER_ON times */
 	val1   = (upreg->l1ss_cap & PCI_L1SS_CAP_P_PWR_ON_VALUE) >> 19;
@@ -472,10 +477,27 @@ static void aspm_calc_l1ss_info(struct pcie_link_state *link,
 	scale2 = (dwreg->l1ss_cap & PCI_L1SS_CAP_P_PWR_ON_SCALE) >> 16;
 
 	if (calc_l1ss_pwron(link->pdev, scale1, val1) >
-	    calc_l1ss_pwron(link->downstream, scale2, val2))
+	    calc_l1ss_pwron(link->downstream, scale2, val2)) {
 		link->l1ss.ctl2 |= scale1 | (val1 << 3);
-	else
+		t_power_on = calc_l1ss_pwron(link->pdev, scale1, val1);
+	} else {
 		link->l1ss.ctl2 |= scale2 | (val2 << 3);
+		t_power_on = calc_l1ss_pwron(link->downstream, scale2, val2);
+	}
+
+	/*
+	 * Set LTR_L1.2_THRESHOLD to the time required to transition the
+	 * Link from L0 to L1.2 and back to L0 so we enter L1.2 only if
+	 * downstream devices report (via LTR) that they can tolerate at
+	 * least that much latency.
+	 *
+	 * Based on PCIe r3.1, sec 5.5.3.3.1, Figures 5-16 and 5-17, and
+	 * Table 5-11.  T(POWER_OFF) is at most 2us and T(L1.2) is at
+	 * least 4us.
+	 */
+	l1_2_threshold = 2 + 4 + t_common_mode + t_power_on;
+	encode_l12_threshold(l1_2_threshold, &scale, &value);
+	link->l1ss.ctl1 |= t_common_mode << 8 | scale << 29 | value << 16;
 }
 
 static void pcie_aspm_cap_init(struct pcie_link_state *link, int blacklist)
@@ -786,7 +808,7 @@ static int pcie_aspm_sanity_check(struct pci_dev *pdev)
 		 */
 		pcie_capability_read_dword(child, PCI_EXP_DEVCAP, &reg32);
 		if (!(reg32 & PCI_EXP_DEVCAP_RBER) && !aspm_force) {
-			dev_info(&child->dev, "disabling ASPM on pre-1.1 PCIe device.  You can enable it with 'pcie_aspm=force'\n");
+			pci_info(child, "disabling ASPM on pre-1.1 PCIe device.  You can enable it with 'pcie_aspm=force'\n");
 			return -EINVAL;
 		}
 	}
@@ -1027,7 +1049,7 @@ static void __pci_disable_link_state(struct pci_dev *pdev, int state, bool sem)
 	 * ignored in this situation.
 	 */
 	if (aspm_disabled) {
-		dev_warn(&pdev->dev, "can't disable ASPM; OS doesn't have ASPM control\n");
+		pci_warn(pdev, "can't disable ASPM; OS doesn't have ASPM control\n");
 		return;
 	}
 
diff --git a/drivers/pci/pcie/pcie-dpc.c b/drivers/pci/pcie/pcie-dpc.c
index 2d976a623ddc..d1fbd83cd240 100644
--- a/drivers/pci/pcie/pcie-dpc.c
+++ b/drivers/pci/pcie/pcie-dpc.c
@@ -15,6 +15,7 @@
 #include <linux/pci.h>
 #include <linux/pcieport_if.h>
 #include "../pci.h"
+#include "aer/aerdrv.h"
 
 struct rp_pio_header_log_regs {
 	u32 dw0;
@@ -109,6 +110,7 @@ static void interrupt_event_handler(struct work_struct *work)
 	struct dpc_dev *dpc = container_of(work, struct dpc_dev, work);
 	struct pci_dev *dev, *temp, *pdev = dpc->dev->port;
 	struct pci_bus *parent = pdev->subordinate;
+	u16 ctl;
 
 	pci_lock_rescan_remove();
 	list_for_each_entry_safe_reverse(dev, temp, &parent->devices,
@@ -135,6 +137,10 @@ static void interrupt_event_handler(struct work_struct *work)
 
 	pci_write_config_word(pdev, dpc->cap_pos + PCI_EXP_DPC_STATUS,
 		PCI_EXP_DPC_STATUS_TRIGGER | PCI_EXP_DPC_STATUS_INTERRUPT);
+
+	pci_read_config_word(pdev, dpc->cap_pos + PCI_EXP_DPC_CTL, &ctl);
+	pci_write_config_word(pdev, dpc->cap_pos + PCI_EXP_DPC_CTL,
+			      ctl | PCI_EXP_DPC_CTL_INT_EN);
 }
 
 static void dpc_rp_pio_print_tlp_header(struct device *dev,
@@ -249,34 +255,49 @@ static irqreturn_t dpc_irq(int irq, void *context)
 	struct dpc_dev *dpc = (struct dpc_dev *)context;
 	struct pci_dev *pdev = dpc->dev->port;
 	struct device *dev = &dpc->dev->device;
-	u16 status, source;
+	u16 ctl, status, source, reason, ext_reason;
+
+	pci_read_config_word(pdev, dpc->cap_pos + PCI_EXP_DPC_CTL, &ctl);
+
+	if (!(ctl & PCI_EXP_DPC_CTL_INT_EN) || ctl == (u16)(~0))
+		return IRQ_NONE;
 
 	pci_read_config_word(pdev, dpc->cap_pos + PCI_EXP_DPC_STATUS, &status);
+
+	if (!(status & PCI_EXP_DPC_STATUS_INTERRUPT))
+		return IRQ_NONE;
+
+	if (!(status & PCI_EXP_DPC_STATUS_TRIGGER)) {
+		pci_write_config_word(pdev, dpc->cap_pos + PCI_EXP_DPC_STATUS,
+				      PCI_EXP_DPC_STATUS_INTERRUPT);
+		return IRQ_HANDLED;
+	}
+
+	pci_write_config_word(pdev, dpc->cap_pos + PCI_EXP_DPC_CTL,
+			      ctl & ~PCI_EXP_DPC_CTL_INT_EN);
+
 	pci_read_config_word(pdev, dpc->cap_pos + PCI_EXP_DPC_SOURCE_ID,
 			     &source);
-	if (!status || status == (u16)(~0))
-		return IRQ_NONE;
 
 	dev_info(dev, "DPC containment event, status:%#06x source:%#06x\n",
 		status, source);
 
-	if (status & PCI_EXP_DPC_STATUS_TRIGGER) {
-		u16 reason = (status >> 1) & 0x3;
-		u16 ext_reason = (status >> 5) & 0x3;
-
-		dev_warn(dev, "DPC %s detected, remove downstream devices\n",
-			 (reason == 0) ? "unmasked uncorrectable error" :
-			 (reason == 1) ? "ERR_NONFATAL" :
-			 (reason == 2) ? "ERR_FATAL" :
-			 (ext_reason == 0) ? "RP PIO error" :
-			 (ext_reason == 1) ? "software trigger" :
-					     "reserved error");
-		/* show RP PIO error detail information */
-		if (reason == 3 && ext_reason == 0)
-			dpc_process_rp_pio_error(dpc);
-
-		schedule_work(&dpc->work);
-	}
+	reason = (status >> 1) & 0x3;
+	ext_reason = (status >> 5) & 0x3;
+
+	dev_warn(dev, "DPC %s detected, remove downstream devices\n",
+		 (reason == 0) ? "unmasked uncorrectable error" :
+		 (reason == 1) ? "ERR_NONFATAL" :
+		 (reason == 2) ? "ERR_FATAL" :
+		 (ext_reason == 0) ? "RP PIO error" :
+		 (ext_reason == 1) ? "software trigger" :
+				     "reserved error");
+	/* show RP PIO error detail information */
+	if (reason == 3 && ext_reason == 0)
+		dpc_process_rp_pio_error(dpc);
+
+	schedule_work(&dpc->work);
+
 	return IRQ_HANDLED;
 }
 
@@ -289,6 +310,9 @@ static int dpc_probe(struct pcie_device *dev)
 	int status;
 	u16 ctl, cap;
 
+	if (pcie_aer_get_firmware_first(pdev))
+		return -ENOTSUPP;
+
 	dpc = devm_kzalloc(device, sizeof(*dpc), GFP_KERNEL);
 	if (!dpc)
 		return -ENOMEM;
diff --git a/drivers/pci/pcie/pme.c b/drivers/pci/pcie/pme.c
index df290aa58dce..046d9bf64ef1 100644
--- a/drivers/pci/pcie/pme.c
+++ b/drivers/pci/pcie/pme.c
@@ -198,14 +198,14 @@ static void pcie_pme_handle_request(struct pci_dev *port, u16 req_id)
 		 * assuming that the PME was reported by a PCIe-PCI bridge that
 		 * used devfn different from zero.
 		 */
-		dev_dbg(&port->dev, "PME interrupt generated for non-existent device %02x:%02x.%d\n",
+		pci_dbg(port, "PME interrupt generated for non-existent device %02x:%02x.%d\n",
 			busnr, PCI_SLOT(devfn), PCI_FUNC(devfn));
 		found = pcie_pme_from_pci_bridge(bus, 0);
 	}
 
  out:
 	if (!found)
-		dev_dbg(&port->dev, "Spurious native PME interrupt!\n");
+		pci_dbg(port, "Spurious native PME interrupt!\n");
 }
 
 /**
@@ -345,7 +345,7 @@ static int pcie_pme_probe(struct pcie_device *srv)
 		return ret;
 	}
 
-	dev_info(&port->dev, "Signaling PME with IRQ %d\n", srv->irq);
+	pci_info(port, "Signaling PME with IRQ %d\n", srv->irq);
 
 	pcie_pme_mark_devices(port);
 	pcie_pme_interrupt_enable(port, true);
diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index a59210350c44..ef3bad4ad010 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -216,9 +216,9 @@ static int get_port_device_capability(struct pci_dev *dev)
 		return 0;
 
 	cap_mask = PCIE_PORT_SERVICE_PME | PCIE_PORT_SERVICE_HP
-			| PCIE_PORT_SERVICE_VC | PCIE_PORT_SERVICE_DPC;
+			| PCIE_PORT_SERVICE_VC;
 	if (pci_aer_available())
-		cap_mask |= PCIE_PORT_SERVICE_AER;
+		cap_mask |= PCIE_PORT_SERVICE_AER | PCIE_PORT_SERVICE_DPC;
 
 	if (pcie_ports_auto)
 		pcie_port_platform_notify(dev, &cap_mask);
diff --git a/drivers/pci/pcie/ptm.c b/drivers/pci/pcie/ptm.c
index bab8ac63c4f3..c9f9b15a9e8a 100644
--- a/drivers/pci/pcie/ptm.c
+++ b/drivers/pci/pcie/ptm.c
@@ -33,7 +33,7 @@ static void pci_ptm_info(struct pci_dev *dev)
 			 dev->ptm_granularity);
 		break;
 	}
-	dev_info(&dev->dev, "PTM enabled%s, %s granularity\n",
+	pci_info(dev, "PTM enabled%s, %s granularity\n",
 		 dev->ptm_root ? " (root)" : "", clock_desc);
 }
 
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 14e0ea1ff38b..2c673a65d5b0 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -69,8 +69,8 @@ static int find_anything(struct device *dev, void *data)
 }
 
 /*
- * Some device drivers need know if pci is initiated.
- * Basically, we think pci is not initiated when there
+ * Some device drivers need know if PCI is initiated.
+ * Basically, we think PCI is not initiated when there
  * is no device to be found on the pci_bus_type.
  */
 int no_pci_devices(void)
@@ -116,12 +116,16 @@ static u64 pci_size(u64 base, u64 maxbase, u64 mask)
 	if (!size)
 		return 0;
 
-	/* Get the lowest of them to find the decode size, and
-	   from that the extent.  */
+	/*
+	 * Get the lowest of them to find the decode size, and from that
+	 * the extent.
+	 */
 	size = (size & ~(size-1)) - 1;
 
-	/* base == maxbase can be valid only if the BAR has
-	   already been programmed with all 1s.  */
+	/*
+	 * base == maxbase can be valid only if the BAR has already been
+	 * programmed with all 1s.
+	 */
 	if (base == maxbase && ((base | size) & mask) != mask)
 		return 0;
 
@@ -164,7 +168,7 @@ static inline unsigned long decode_bar(struct pci_dev *dev, u32 bar)
 #define PCI_COMMAND_DECODE_ENABLE	(PCI_COMMAND_MEMORY | PCI_COMMAND_IO)
 
 /**
- * pci_read_base - read a PCI BAR
+ * pci_read_base - Read a PCI BAR
  * @dev: the PCI device
  * @type: type of the BAR
  * @res: resource buffer to be filled in
@@ -253,7 +257,7 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
 
 	sz64 = pci_size(l64, sz64, mask64);
 	if (!sz64) {
-		dev_info(&dev->dev, FW_BUG "reg 0x%x: invalid BAR (can't size)\n",
+		pci_info(dev, FW_BUG "reg 0x%x: invalid BAR (can't size)\n",
 			 pos);
 		goto fail;
 	}
@@ -264,7 +268,7 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
 			res->flags |= IORESOURCE_UNSET | IORESOURCE_DISABLED;
 			res->start = 0;
 			res->end = 0;
-			dev_err(&dev->dev, "reg 0x%x: can't handle BAR larger than 4GB (size %#010llx)\n",
+			pci_err(dev, "reg 0x%x: can't handle BAR larger than 4GB (size %#010llx)\n",
 				pos, (unsigned long long)sz64);
 			goto out;
 		}
@@ -274,7 +278,7 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
 			res->flags |= IORESOURCE_UNSET;
 			res->start = 0;
 			res->end = sz64;
-			dev_info(&dev->dev, "reg 0x%x: can't handle BAR above 4GB (bus address %#010llx)\n",
+			pci_info(dev, "reg 0x%x: can't handle BAR above 4GB (bus address %#010llx)\n",
 				 pos, (unsigned long long)l64);
 			goto out;
 		}
@@ -301,7 +305,7 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
 		res->flags |= IORESOURCE_UNSET;
 		res->start = 0;
 		res->end = region.end - region.start;
-		dev_info(&dev->dev, "reg 0x%x: initial BAR value %#010llx invalid\n",
+		pci_info(dev, "reg 0x%x: initial BAR value %#010llx invalid\n",
 			 pos, (unsigned long long)region.start);
 	}
 
@@ -312,7 +316,7 @@ fail:
 	res->flags = 0;
 out:
 	if (res->flags)
-		dev_printk(KERN_DEBUG, &dev->dev, "reg 0x%x: %pR\n", pos, res);
+		pci_printk(KERN_DEBUG, dev, "reg 0x%x: %pR\n", pos, res);
 
 	return (res->flags & IORESOURCE_MEM_64) ? 1 : 0;
 }
@@ -375,7 +379,7 @@ static void pci_read_bridge_io(struct pci_bus *child)
 		region.start = base;
 		region.end = limit + io_granularity - 1;
 		pcibios_bus_to_resource(dev->bus, res, &region);
-		dev_printk(KERN_DEBUG, &dev->dev, "  bridge window %pR\n", res);
+		pci_printk(KERN_DEBUG, dev, "  bridge window %pR\n", res);
 	}
 }
 
@@ -397,7 +401,7 @@ static void pci_read_bridge_mmio(struct pci_bus *child)
 		region.start = base;
 		region.end = limit + 0xfffff;
 		pcibios_bus_to_resource(dev->bus, res, &region);
-		dev_printk(KERN_DEBUG, &dev->dev, "  bridge window %pR\n", res);
+		pci_printk(KERN_DEBUG, dev, "  bridge window %pR\n", res);
 	}
 }
 
@@ -437,7 +441,7 @@ static void pci_read_bridge_mmio_pref(struct pci_bus *child)
 	limit = (pci_bus_addr_t) limit64;
 
 	if (base != base64) {
-		dev_err(&dev->dev, "can't handle bridge window above 4GB (bus address %#010llx)\n",
+		pci_err(dev, "can't handle bridge window above 4GB (bus address %#010llx)\n",
 			(unsigned long long) base64);
 		return;
 	}
@@ -450,7 +454,7 @@ static void pci_read_bridge_mmio_pref(struct pci_bus *child)
 		region.start = base;
 		region.end = limit + 0xfffff;
 		pcibios_bus_to_resource(dev->bus, res, &region);
-		dev_printk(KERN_DEBUG, &dev->dev, "  bridge window %pR\n", res);
+		pci_printk(KERN_DEBUG, dev, "  bridge window %pR\n", res);
 	}
 }
 
@@ -463,7 +467,7 @@ void pci_read_bridge_bases(struct pci_bus *child)
 	if (pci_is_root_bus(child))	/* It's a host bus, nothing to read */
 		return;
 
-	dev_info(&dev->dev, "PCI bridge to %pR%s\n",
+	pci_info(dev, "PCI bridge to %pR%s\n",
 		 &child->busn_res,
 		 dev->transparent ? " (subtractive decode)" : "");
 
@@ -480,7 +484,7 @@ void pci_read_bridge_bases(struct pci_bus *child)
 			if (res && res->flags) {
 				pci_bus_add_resource(child, res,
 						     PCI_SUBTRACTIVE_DECODE);
-				dev_printk(KERN_DEBUG, &dev->dev,
+				pci_printk(KERN_DEBUG, dev,
 					   "  bridge window %pR (subtractive decode)\n",
 					   res);
 			}
@@ -764,7 +768,7 @@ static int pci_register_host_bridge(struct pci_host_bridge *bridge)
 
 	bridge->bus = bus;
 
-	/* temporarily move resources off the list */
+	/* Temporarily move resources off the list */
 	list_splice_init(&bridge->windows, &resources);
 	bus->sysdata = bridge->sysdata;
 	bus->msi = bridge->msi;
@@ -776,7 +780,7 @@ static int pci_register_host_bridge(struct pci_host_bridge *bridge)
 
 	b = pci_find_bus(pci_domain_nr(bus), bridge->busnr);
 	if (b) {
-		/* If we already got to this bus through a different bridge, ignore it */
+		/* Ignore it if we already got here via a different bridge */
 		dev_dbg(&b->dev, "bus already known\n");
 		err = -EEXIST;
 		goto free;
@@ -869,9 +873,7 @@ static struct pci_bus *pci_alloc_child_bus(struct pci_bus *parent,
 	int i;
 	int ret;
 
-	/*
-	 * Allocate a new bus, and inherit stuff from the parent..
-	 */
+	/* Allocate a new bus and inherit stuff from the parent */
 	child = pci_alloc_bus(parent);
 	if (!child)
 		return NULL;
@@ -882,16 +884,14 @@ static struct pci_bus *pci_alloc_child_bus(struct pci_bus *parent,
 	child->sysdata = parent->sysdata;
 	child->bus_flags = parent->bus_flags;
 
-	/* initialize some portions of the bus device, but don't register it
-	 * now as the parent is not properly set up yet.
+	/*
+	 * Initialize some portions of the bus device, but don't register
+	 * it now as the parent is not properly set up yet.
 	 */
 	child->dev.class = &pcibus_class;
 	dev_set_name(&child->dev, "%04x:%02x", pci_domain_nr(child), busnr);
 
-	/*
-	 * Set up the primary, secondary and subordinate
-	 * bus numbers.
-	 */
+	/* Set up the primary, secondary and subordinate bus numbers */
 	child->number = child->busn_res.start = busnr;
 	child->primary = parent->busn_res.start;
 	child->busn_res.end = 0xff;
@@ -907,7 +907,7 @@ static struct pci_bus *pci_alloc_child_bus(struct pci_bus *parent,
 	pci_set_bus_of_node(child);
 	pci_set_bus_speed(child);
 
-	/* Set up default resource pointers and names.. */
+	/* Set up default resource pointers and names */
 	for (i = 0; i < PCI_BRIDGE_RESOURCE_NUM; i++) {
 		child->resource[i] = &bridge->resource[PCI_BRIDGE_RESOURCES+i];
 		child->resource[i]->name = child->name;
@@ -1005,11 +1005,11 @@ static int pci_scan_bridge_extend(struct pci_bus *bus, struct pci_dev *dev,
 	secondary = (buses >> 8) & 0xFF;
 	subordinate = (buses >> 16) & 0xFF;
 
-	dev_dbg(&dev->dev, "scanning [bus %02x-%02x] behind bridge, pass %d\n",
+	pci_dbg(dev, "scanning [bus %02x-%02x] behind bridge, pass %d\n",
 		secondary, subordinate, pass);
 
 	if (!primary && (primary != bus->number) && secondary && subordinate) {
-		dev_warn(&dev->dev, "Primary bus is hard wired to 0\n");
+		pci_warn(dev, "Primary bus is hard wired to 0\n");
 		primary = bus->number;
 	}
 
@@ -1017,13 +1017,15 @@ static int pci_scan_bridge_extend(struct pci_bus *bus, struct pci_dev *dev,
 	if (!pass &&
 	    (primary != bus->number || secondary <= bus->number ||
 	     secondary > subordinate)) {
-		dev_info(&dev->dev, "bridge configuration invalid ([bus %02x-%02x]), reconfiguring\n",
+		pci_info(dev, "bridge configuration invalid ([bus %02x-%02x]), reconfiguring\n",
 			 secondary, subordinate);
 		broken = 1;
 	}
 
-	/* Disable MasterAbortMode during probing to avoid reporting
-	   of bus errors (in some architectures) */
+	/*
+	 * Disable Master-Abort Mode during probing to avoid reporting of
+	 * bus errors in some architectures.
+	 */
 	pci_read_config_word(dev, PCI_BRIDGE_CONTROL, &bctl);
 	pci_write_config_word(dev, PCI_BRIDGE_CONTROL,
 			      bctl & ~PCI_BRIDGE_CTL_MASTER_ABORT);
@@ -1033,18 +1035,19 @@ static int pci_scan_bridge_extend(struct pci_bus *bus, struct pci_dev *dev,
 	if ((secondary || subordinate) && !pcibios_assign_all_busses() &&
 	    !is_cardbus && !broken) {
 		unsigned int cmax;
+
 		/*
-		 * Bus already configured by firmware, process it in the first
-		 * pass and just note the configuration.
+		 * Bus already configured by firmware, process it in the
+		 * first pass and just note the configuration.
 		 */
 		if (pass)
 			goto out;
 
 		/*
-		 * The bus might already exist for two reasons: Either we are
-		 * rescanning the bus or the bus is reachable through more than
-		 * one bridge. The second case can happen with the i450NX
-		 * chipset.
+		 * The bus might already exist for two reasons: Either we
+		 * are rescanning the bus or the bus is reachable through
+		 * more than one bridge. The second case can happen with
+		 * the i450NX chipset.
 		 */
 		child = pci_find_bus(pci_domain_nr(bus), secondary);
 		if (!child) {
@@ -1058,24 +1061,29 @@ static int pci_scan_bridge_extend(struct pci_bus *bus, struct pci_dev *dev,
 
 		cmax = pci_scan_child_bus(child);
 		if (cmax > subordinate)
-			dev_warn(&dev->dev, "bridge has subordinate %02x but max busn %02x\n",
+			pci_warn(dev, "bridge has subordinate %02x but max busn %02x\n",
 				 subordinate, cmax);
-		/* subordinate should equal child->busn_res.end */
+
+		/* Subordinate should equal child->busn_res.end */
 		if (subordinate > max)
 			max = subordinate;
 	} else {
+
 		/*
 		 * We need to assign a number to this bus which we always
 		 * do in the second pass.
 		 */
 		if (!pass) {
 			if (pcibios_assign_all_busses() || broken || is_cardbus)
-				/* Temporarily disable forwarding of the
-				   configuration cycles on all bridges in
-				   this bus segment to avoid possible
-				   conflicts in the second pass between two
-				   bridges programmed with overlapping
-				   bus ranges. */
+
+				/*
+				 * Temporarily disable forwarding of the
+				 * configuration cycles on all bridges in
+				 * this bus segment to avoid possible
+				 * conflicts in the second pass between two
+				 * bridges programmed with overlapping bus
+				 * ranges.
+				 */
 				pci_write_config_dword(dev, PCI_PRIMARY_BUS,
 						       buses & ~0xffffff);
 			goto out;
@@ -1084,9 +1092,11 @@ static int pci_scan_bridge_extend(struct pci_bus *bus, struct pci_dev *dev,
 		/* Clear errors */
 		pci_write_config_word(dev, PCI_STATUS, 0xffff);
 
-		/* Prevent assigning a bus number that already exists.
-		 * This can happen when a bridge is hot-plugged, so in
-		 * this case we only re-scan this bus. */
+		/*
+		 * Prevent assigning a bus number that already exists.
+		 * This can happen when a bridge is hot-plugged, so in this
+		 * case we only re-scan this bus.
+		 */
 		child = pci_find_bus(pci_domain_nr(bus), max+1);
 		if (!child) {
 			child = pci_add_new_bus(bus, dev, max+1);
@@ -1113,19 +1123,18 @@ static int pci_scan_bridge_extend(struct pci_bus *bus, struct pci_dev *dev,
 			buses |= CARDBUS_LATENCY_TIMER << 24;
 		}
 
-		/*
-		 * We need to blast all three values with a single write.
-		 */
+		/* We need to blast all three values with a single write */
 		pci_write_config_dword(dev, PCI_PRIMARY_BUS, buses);
 
 		if (!is_cardbus) {
 			child->bridge_ctl = bctl;
 			max = pci_scan_child_bus_extend(child, available_buses);
 		} else {
+
 			/*
-			 * For CardBus bridges, we leave 4 bus numbers
-			 * as cards with a PCI-to-PCI bridge can be
-			 * inserted later.
+			 * For CardBus bridges, we leave 4 bus numbers as
+			 * cards with a PCI-to-PCI bridge can be inserted
+			 * later.
 			 */
 			for (i = 0; i < CARDBUS_RESERVE_BUSNR; i++) {
 				struct pci_bus *parent = bus;
@@ -1141,10 +1150,11 @@ static int pci_scan_bridge_extend(struct pci_bus *bus, struct pci_dev *dev,
 					parent = parent->parent;
 				}
 				if (j) {
+
 					/*
-					 * Often, there are two cardbus bridges
-					 * -- try to leave one valid bus number
-					 * for each one.
+					 * Often, there are two CardBus
+					 * bridges -- try to leave one
+					 * valid bus number for each one.
 					 */
 					i /= 2;
 					break;
@@ -1152,9 +1162,8 @@ static int pci_scan_bridge_extend(struct pci_bus *bus, struct pci_dev *dev,
 			}
 			max += i;
 		}
-		/*
-		 * Set the subordinate bus number to its real value.
-		 */
+
+		/* Set subordinate bus number to its real value */
 		pci_bus_update_busn_res_end(child, max);
 		pci_write_config_byte(dev, PCI_SUBORDINATE_BUS, max);
 	}
@@ -1295,7 +1304,7 @@ static void set_pcie_thunderbolt(struct pci_dev *dev)
 }
 
 /**
- * pci_ext_cfg_is_aliased - is ext config space just an alias of std config?
+ * pci_ext_cfg_is_aliased - Is ext config space just an alias of std config?
  * @dev: PCI device
  *
  * PCI Express to PCI/PCI-X Bridge Specification, rev 1.0, 4.1.4 says that
@@ -1332,7 +1341,7 @@ static bool pci_ext_cfg_is_aliased(struct pci_dev *dev)
 }
 
 /**
- * pci_cfg_space_size - get the configuration space size of the PCI device.
+ * pci_cfg_space_size - Get the configuration space size of the PCI device
  * @dev: PCI device
  *
  * Regular PCI devices have 256 bytes, but PCI-X 2 and PCI Express devices
@@ -1398,7 +1407,7 @@ static void pci_msi_setup_pci_dev(struct pci_dev *dev)
 }
 
 /**
- * pci_intx_mask_broken - test PCI_COMMAND_INTX_DISABLE writability
+ * pci_intx_mask_broken - Test PCI_COMMAND_INTX_DISABLE writability
  * @dev: PCI device
  *
  * Test whether PCI_COMMAND_INTX_DISABLE is writable for @dev.  Check this
@@ -1426,11 +1435,11 @@ static int pci_intx_mask_broken(struct pci_dev *dev)
 }
 
 /**
- * pci_setup_device - fill in class and map information of a device
+ * pci_setup_device - Fill in class and map information of a device
  * @dev: the device structure to fill
  *
  * Initialize the device structure with information about the device's
- * vendor,class,memory and IO-space addresses,IRQ lines etc.
+ * vendor,class,memory and IO-space addresses, IRQ lines etc.
  * Called at initialisation of the PCI subsystem and by CardBus services.
  * Returns 0 on success and negative if unknown type of device (not normal,
  * bridge or CardBus).
@@ -1456,8 +1465,11 @@ int pci_setup_device(struct pci_dev *dev)
 	set_pcie_port_type(dev);
 
 	pci_dev_assign_slot(dev);
-	/* Assume 32-bit PCI; let 64-bit PCI cards (which are far rarer)
-	   set this higher, assuming the system even supports it.  */
+
+	/*
+	 * Assume 32-bit PCI; let 64-bit PCI cards (which are far rarer)
+	 * set this higher, assuming the system even supports it.
+	 */
 	dev->dma_mask = 0xffffffff;
 
 	dev_set_name(&dev->dev, "%04x:%02x:%02x.%d", pci_domain_nr(dev->bus),
@@ -1468,13 +1480,13 @@ int pci_setup_device(struct pci_dev *dev)
 	dev->revision = class & 0xff;
 	dev->class = class >> 8;		    /* upper 3 bytes */
 
-	dev_printk(KERN_DEBUG, &dev->dev, "[%04x:%04x] type %02x class %#08x\n",
+	pci_printk(KERN_DEBUG, dev, "[%04x:%04x] type %02x class %#08x\n",
 		   dev->vendor, dev->device, dev->hdr_type, dev->class);
 
-	/* need to have dev->class ready */
+	/* Need to have dev->class ready */
 	dev->cfg_size = pci_cfg_space_size(dev);
 
-	/* need to have dev->cfg_size ready */
+	/* Need to have dev->cfg_size ready */
 	set_pcie_thunderbolt(dev);
 
 	/* "Unknown power state" */
@@ -1482,13 +1494,14 @@ int pci_setup_device(struct pci_dev *dev)
 
 	/* Early fixups, before probing the BARs */
 	pci_fixup_device(pci_fixup_early, dev);
-	/* device class may be changed after fixup */
+
+	/* Device class may be changed after fixup */
 	class = dev->class >> 8;
 
 	if (dev->non_compliant_bars) {
 		pci_read_config_word(dev, PCI_COMMAND, &cmd);
 		if (cmd & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) {
-			dev_info(&dev->dev, "device has non-compliant BARs; disabling IO/MEM decoding\n");
+			pci_info(dev, "device has non-compliant BARs; disabling IO/MEM decoding\n");
 			cmd &= ~PCI_COMMAND_IO;
 			cmd &= ~PCI_COMMAND_MEMORY;
 			pci_write_config_word(dev, PCI_COMMAND, cmd);
@@ -1521,14 +1534,14 @@ int pci_setup_device(struct pci_dev *dev)
 				res = &dev->resource[0];
 				res->flags = LEGACY_IO_RESOURCE;
 				pcibios_bus_to_resource(dev->bus, res, &region);
-				dev_info(&dev->dev, "legacy IDE quirk: reg 0x10: %pR\n",
+				pci_info(dev, "legacy IDE quirk: reg 0x10: %pR\n",
 					 res);
 				region.start = 0x3F6;
 				region.end = 0x3F6;
 				res = &dev->resource[1];
 				res->flags = LEGACY_IO_RESOURCE;
 				pcibios_bus_to_resource(dev->bus, res, &region);
-				dev_info(&dev->dev, "legacy IDE quirk: reg 0x14: %pR\n",
+				pci_info(dev, "legacy IDE quirk: reg 0x14: %pR\n",
 					 res);
 			}
 			if ((progif & 4) == 0) {
@@ -1537,14 +1550,14 @@ int pci_setup_device(struct pci_dev *dev)
 				res = &dev->resource[2];
 				res->flags = LEGACY_IO_RESOURCE;
 				pcibios_bus_to_resource(dev->bus, res, &region);
-				dev_info(&dev->dev, "legacy IDE quirk: reg 0x18: %pR\n",
+				pci_info(dev, "legacy IDE quirk: reg 0x18: %pR\n",
 					 res);
 				region.start = 0x376;
 				region.end = 0x376;
 				res = &dev->resource[3];
 				res->flags = LEGACY_IO_RESOURCE;
 				pcibios_bus_to_resource(dev->bus, res, &region);
-				dev_info(&dev->dev, "legacy IDE quirk: reg 0x1c: %pR\n",
+				pci_info(dev, "legacy IDE quirk: reg 0x1c: %pR\n",
 					 res);
 			}
 		}
@@ -1553,9 +1566,12 @@ int pci_setup_device(struct pci_dev *dev)
 	case PCI_HEADER_TYPE_BRIDGE:		    /* bridge header */
 		if (class != PCI_CLASS_BRIDGE_PCI)
 			goto bad;
-		/* The PCI-to-PCI bridge spec requires that subtractive
-		   decoding (i.e. transparent) bridge must have programming
-		   interface code of 0x01. */
+
+		/*
+		 * The PCI-to-PCI bridge spec requires that subtractive
+		 * decoding (i.e. transparent) bridge must have programming
+		 * interface code of 0x01.
+		 */
 		pci_read_irq(dev);
 		dev->transparent = ((dev->class & 0xff) == 1);
 		pci_read_bases(dev, 2, PCI_ROM_ADDRESS1);
@@ -1577,12 +1593,12 @@ int pci_setup_device(struct pci_dev *dev)
 		break;
 
 	default:				    /* unknown header */
-		dev_err(&dev->dev, "unknown header type %02x, ignoring device\n",
+		pci_err(dev, "unknown header type %02x, ignoring device\n",
 			dev->hdr_type);
 		return -EIO;
 
 	bad:
-		dev_err(&dev->dev, "ignoring class %#08x (doesn't match header type %02x)\n",
+		pci_err(dev, "ignoring class %#08x (doesn't match header type %02x)\n",
 			dev->class, dev->hdr_type);
 		dev->class = PCI_CLASS_NOT_DEFINED << 8;
 	}
@@ -1606,7 +1622,7 @@ static void pci_configure_mps(struct pci_dev *dev)
 		return;
 
 	if (pcie_bus_config == PCIE_BUS_TUNE_OFF) {
-		dev_warn(&dev->dev, "Max Payload Size %d, but upstream %s set to %d; if necessary, use \"pci=pcie_bus_safe\" and report a bug\n",
+		pci_warn(dev, "Max Payload Size %d, but upstream %s set to %d; if necessary, use \"pci=pcie_bus_safe\" and report a bug\n",
 			 mps, pci_name(bridge), p_mps);
 		return;
 	}
@@ -1620,12 +1636,12 @@ static void pci_configure_mps(struct pci_dev *dev)
 
 	rc = pcie_set_mps(dev, p_mps);
 	if (rc) {
-		dev_warn(&dev->dev, "can't set Max Payload Size to %d; if necessary, use \"pci=pcie_bus_safe\" and report a bug\n",
+		pci_warn(dev, "can't set Max Payload Size to %d; if necessary, use \"pci=pcie_bus_safe\" and report a bug\n",
 			 p_mps);
 		return;
 	}
 
-	dev_info(&dev->dev, "Max Payload Size set to %d (was %d, max %d)\n",
+	pci_info(dev, "Max Payload Size set to %d (was %d, max %d)\n",
 		 p_mps, mps, 128 << dev->pcie_mpss);
 }
 
@@ -1645,8 +1661,7 @@ static void program_hpp_type0(struct pci_dev *dev, struct hpp_type0 *hpp)
 		hpp = &pci_default_type0;
 
 	if (hpp->revision > 1) {
-		dev_warn(&dev->dev,
-			 "PCI settings rev %d not supported; using defaults\n",
+		pci_warn(dev, "PCI settings rev %d not supported; using defaults\n",
 			 hpp->revision);
 		hpp = &pci_default_type0;
 	}
@@ -1684,7 +1699,7 @@ static void program_hpp_type1(struct pci_dev *dev, struct hpp_type1 *hpp)
 	if (!pos)
 		return;
 
-	dev_warn(&dev->dev, "PCI-X settings not supported\n");
+	pci_warn(dev, "PCI-X settings not supported\n");
 }
 
 static bool pcie_root_rcb_set(struct pci_dev *dev)
@@ -1714,7 +1729,7 @@ static void program_hpp_type2(struct pci_dev *dev, struct hpp_type2 *hpp)
 		return;
 
 	if (hpp->revision > 1) {
-		dev_warn(&dev->dev, "PCIe settings rev %d not supported\n",
+		pci_warn(dev, "PCIe settings rev %d not supported\n",
 			 hpp->revision);
 		return;
 	}
@@ -1772,6 +1787,7 @@ static void program_hpp_type2(struct pci_dev *dev, struct hpp_type2 *hpp)
 	/* Initialize Advanced Error Capabilities and Control Register */
 	pci_read_config_dword(dev, pos + PCI_ERR_CAP, &reg32);
 	reg32 = (reg32 & hpp->adv_err_cap_and) | hpp->adv_err_cap_or;
+
 	/* Don't enable ECRC generation or checking if unsupported */
 	if (!(reg32 & PCI_ERR_CAP_ECRC_GENC))
 		reg32 &= ~PCI_ERR_CAP_ECRC_GENE;
@@ -1818,7 +1834,7 @@ int pci_configure_extended_tags(struct pci_dev *dev, void *ign)
 	 */
 	if (host->no_ext_tags) {
 		if (ctl & PCI_EXP_DEVCTL_EXT_TAG) {
-			dev_info(&dev->dev, "disabling Extended Tags\n");
+			pci_info(dev, "disabling Extended Tags\n");
 			pcie_capability_clear_word(dev, PCI_EXP_DEVCTL,
 						   PCI_EXP_DEVCTL_EXT_TAG);
 		}
@@ -1826,7 +1842,7 @@ int pci_configure_extended_tags(struct pci_dev *dev, void *ign)
 	}
 
 	if (!(ctl & PCI_EXP_DEVCTL_EXT_TAG)) {
-		dev_info(&dev->dev, "enabling Extended Tags\n");
+		pci_info(dev, "enabling Extended Tags\n");
 		pcie_capability_set_word(dev, PCI_EXP_DEVCTL,
 					 PCI_EXP_DEVCTL_EXT_TAG);
 	}
@@ -1871,10 +1887,42 @@ static void pci_configure_relaxed_ordering(struct pci_dev *dev)
 	if (root->dev_flags & PCI_DEV_FLAGS_NO_RELAXED_ORDERING) {
 		pcie_capability_clear_word(dev, PCI_EXP_DEVCTL,
 					   PCI_EXP_DEVCTL_RELAX_EN);
-		dev_info(&dev->dev, "Disable Relaxed Ordering because the Root Port didn't support it\n");
+		pci_info(dev, "Relaxed Ordering disabled because the Root Port didn't support it\n");
 	}
 }
 
+static void pci_configure_ltr(struct pci_dev *dev)
+{
+#ifdef CONFIG_PCIEASPM
+	u32 cap;
+	struct pci_dev *bridge;
+
+	if (!pci_is_pcie(dev))
+		return;
+
+	pcie_capability_read_dword(dev, PCI_EXP_DEVCAP2, &cap);
+	if (!(cap & PCI_EXP_DEVCAP2_LTR))
+		return;
+
+	/*
+	 * Software must not enable LTR in an Endpoint unless the Root
+	 * Complex and all intermediate Switches indicate support for LTR.
+	 * PCIe r3.1, sec 6.18.
+	 */
+	if (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT)
+		dev->ltr_path = 1;
+	else {
+		bridge = pci_upstream_bridge(dev);
+		if (bridge && bridge->ltr_path)
+			dev->ltr_path = 1;
+	}
+
+	if (dev->ltr_path)
+		pcie_capability_set_word(dev, PCI_EXP_DEVCTL2,
+					 PCI_EXP_DEVCTL2_LTR_EN);
+#endif
+}
+
 static void pci_configure_device(struct pci_dev *dev)
 {
 	struct hotplug_params hpp;
@@ -1883,6 +1931,7 @@ static void pci_configure_device(struct pci_dev *dev)
 	pci_configure_mps(dev);
 	pci_configure_extended_tags(dev, NULL);
 	pci_configure_relaxed_ordering(dev);
+	pci_configure_ltr(dev);
 
 	memset(&hpp, 0, sizeof(hpp));
 	ret = pci_get_hp_params(dev, &hpp);
@@ -1902,10 +1951,11 @@ static void pci_release_capabilities(struct pci_dev *dev)
 }
 
 /**
- * pci_release_dev - free a pci device structure when all users of it are finished.
+ * pci_release_dev - Free a PCI device structure when all users of it are
+ *		     finished
  * @dev: device that's been disconnected
  *
- * Will be called only by the device core when all users of this pci device are
+ * Will be called only by the device core when all users of this PCI device are
  * done.
  */
 static void pci_release_dev(struct device *dev)
@@ -1993,7 +2043,7 @@ bool pci_bus_read_dev_vendor_id(struct pci_bus *bus, int devfn, u32 *l,
 	if (pci_bus_read_config_dword(bus, devfn, PCI_VENDOR_ID, l))
 		return false;
 
-	/* some broken boards return 0 or ~0 if a slot is empty: */
+	/* Some broken boards return 0 or ~0 if a slot is empty: */
 	if (*l == 0xffffffff || *l == 0x00000000 ||
 	    *l == 0x0000ffff || *l == 0xffff0000)
 		return false;
@@ -2006,8 +2056,8 @@ bool pci_bus_read_dev_vendor_id(struct pci_bus *bus, int devfn, u32 *l,
 EXPORT_SYMBOL(pci_bus_read_dev_vendor_id);
 
 /*
- * Read the config data for a PCI device, sanity-check it
- * and fill in the dev structure...
+ * Read the config data for a PCI device, sanity-check it,
+ * and fill in the dev structure.
  */
 static struct pci_dev *pci_scan_device(struct pci_bus *bus, int devfn)
 {
@@ -2073,7 +2123,7 @@ static void pci_init_capabilities(struct pci_dev *dev)
 }
 
 /*
- * This is the equivalent of pci_host_bridge_msi_domain that acts on
+ * This is the equivalent of pci_host_bridge_msi_domain() that acts on
  * devices. Firmware interfaces that can select the MSI domain on a
  * per-device basis should be called from here.
  */
@@ -2082,7 +2132,7 @@ static struct irq_domain *pci_dev_msi_domain(struct pci_dev *dev)
 	struct irq_domain *d;
 
 	/*
-	 * If a domain has been set through the pcibios_add_device
+	 * If a domain has been set through the pcibios_add_device()
 	 * callback, then this is the one (platform code knows best).
 	 */
 	d = dev_get_msi_domain(&dev->dev);
@@ -2136,10 +2186,10 @@ void pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
 	/* Fix up broken headers */
 	pci_fixup_device(pci_fixup_header, dev);
 
-	/* moved out from quirk header fixup code */
+	/* Moved out from quirk header fixup code */
 	pci_reassigndev_resource_alignment(dev);
 
-	/* Clear the state_saved flag. */
+	/* Clear the state_saved flag */
 	dev->state_saved = false;
 
 	/* Initialize various capabilities */
@@ -2156,7 +2206,7 @@ void pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
 	ret = pcibios_add_device(dev);
 	WARN_ON(ret < 0);
 
-	/* Setup MSI irq domain */
+	/* Set up MSI IRQ domain */
 	pci_set_msi_domain(dev);
 
 	/* Notifier could use PCI capabilities */
@@ -2215,29 +2265,34 @@ static unsigned next_fn(struct pci_bus *bus, struct pci_dev *dev, unsigned fn)
 
 static int only_one_child(struct pci_bus *bus)
 {
-	struct pci_dev *parent = bus->self;
+	struct pci_dev *bridge = bus->self;
 
-	if (!parent || !pci_is_pcie(parent))
+	/*
+	 * Systems with unusual topologies set PCI_SCAN_ALL_PCIE_DEVS so
+	 * we scan for all possible devices, not just Device 0.
+	 */
+	if (pci_has_flag(PCI_SCAN_ALL_PCIE_DEVS))
 		return 0;
-	if (pci_pcie_type(parent) == PCI_EXP_TYPE_ROOT_PORT)
-		return 1;
 
 	/*
-	 * PCIe downstream ports are bridges that normally lead to only a
-	 * device 0, but if PCI_SCAN_ALL_PCIE_DEVS is set, scan all
-	 * possible devices, not just device 0.  See PCIe spec r3.0,
-	 * sec 7.3.1.
+	 * A PCIe Downstream Port normally leads to a Link with only Device
+	 * 0 on it (PCIe spec r3.1, sec 7.3.1).  As an optimization, scan
+	 * only for Device 0 in that situation.
+	 *
+	 * Checking has_secondary_link is a hack to identify Downstream
+	 * Ports because sometimes Switches are configured such that the
+	 * PCIe Port Type labels are backwards.
 	 */
-	if (parent->has_secondary_link &&
-	    !pci_has_flag(PCI_SCAN_ALL_PCIE_DEVS))
+	if (bridge && pci_is_pcie(bridge) && bridge->has_secondary_link)
 		return 1;
+
 	return 0;
 }
 
 /**
- * pci_scan_slot - scan a PCI slot on a bus for devices.
+ * pci_scan_slot - Scan a PCI slot on a bus for devices
  * @bus: PCI bus to scan
- * @devfn: slot number to scan (must have zero function.)
+ * @devfn: slot number to scan (must have zero function)
  *
  * Scan a PCI slot on the specified PCI bus for devices, adding
  * discovered devices to the @bus->devices list.  New devices
@@ -2268,7 +2323,7 @@ int pci_scan_slot(struct pci_bus *bus, int devfn)
 		}
 	}
 
-	/* only one slot has pcie device */
+	/* Only one slot has PCIe device */
 	if (bus->self && nr)
 		pcie_aspm_init_link_state(bus->self);
 
@@ -2317,7 +2372,9 @@ static void pcie_write_mps(struct pci_dev *dev, int mps)
 
 		if (pci_pcie_type(dev) != PCI_EXP_TYPE_ROOT_PORT &&
 		    dev->bus->self)
-			/* For "Performance", the assumption is made that
+
+			/*
+			 * For "Performance", the assumption is made that
 			 * downstream communication will never be larger than
 			 * the MRRS.  So, the MPS only needs to be configured
 			 * for the upstream communication.  This being the case,
@@ -2334,27 +2391,30 @@ static void pcie_write_mps(struct pci_dev *dev, int mps)
 
 	rc = pcie_set_mps(dev, mps);
 	if (rc)
-		dev_err(&dev->dev, "Failed attempting to set the MPS\n");
+		pci_err(dev, "Failed attempting to set the MPS\n");
 }
 
 static void pcie_write_mrrs(struct pci_dev *dev)
 {
 	int rc, mrrs;
 
-	/* In the "safe" case, do not configure the MRRS.  There appear to be
+	/*
+	 * In the "safe" case, do not configure the MRRS.  There appear to be
 	 * issues with setting MRRS to 0 on a number of devices.
 	 */
 	if (pcie_bus_config != PCIE_BUS_PERFORMANCE)
 		return;
 
-	/* For Max performance, the MRRS must be set to the largest supported
+	/*
+	 * For max performance, the MRRS must be set to the largest supported
 	 * value.  However, it cannot be configured larger than the MPS the
 	 * device or the bus can support.  This should already be properly
-	 * configured by a prior call to pcie_write_mps.
+	 * configured by a prior call to pcie_write_mps().
 	 */
 	mrrs = pcie_get_mps(dev);
 
-	/* MRRS is a R/W register.  Invalid values can be written, but a
+	/*
+	 * MRRS is a R/W register.  Invalid values can be written, but a
 	 * subsequent read will verify if the value is acceptable or not.
 	 * If the MRRS value provided is not acceptable (e.g., too large),
 	 * shrink the value until it is acceptable to the HW.
@@ -2364,12 +2424,12 @@ static void pcie_write_mrrs(struct pci_dev *dev)
 		if (!rc)
 			break;
 
-		dev_warn(&dev->dev, "Failed attempting to set the MRRS\n");
+		pci_warn(dev, "Failed attempting to set the MRRS\n");
 		mrrs /= 2;
 	}
 
 	if (mrrs < 128)
-		dev_err(&dev->dev, "MRRS was unable to be configured with a safe value.  If problems are experienced, try running with pci=pcie_bus_safe\n");
+		pci_err(dev, "MRRS was unable to be configured with a safe value.  If problems are experienced, try running with pci=pcie_bus_safe\n");
 }
 
 static int pcie_bus_configure_set(struct pci_dev *dev, void *data)
@@ -2389,14 +2449,15 @@ static int pcie_bus_configure_set(struct pci_dev *dev, void *data)
 	pcie_write_mps(dev, mps);
 	pcie_write_mrrs(dev);
 
-	dev_info(&dev->dev, "Max Payload Size set to %4d/%4d (was %4d), Max Read Rq %4d\n",
+	pci_info(dev, "Max Payload Size set to %4d/%4d (was %4d), Max Read Rq %4d\n",
 		 pcie_get_mps(dev), 128 << dev->pcie_mpss,
 		 orig_mps, pcie_get_readrq(dev));
 
 	return 0;
 }
 
-/* pcie_bus_configure_settings requires that pci_walk_bus work in a top-down,
+/*
+ * pcie_bus_configure_settings() requires that pci_walk_bus work in a top-down,
  * parents then children fashion.  If this changes, then this code will not
  * work as designed.
  */
@@ -2410,7 +2471,8 @@ void pcie_bus_configure_settings(struct pci_bus *bus)
 	if (!pci_is_pcie(bus->self))
 		return;
 
-	/* FIXME - Peer to peer DMA is possible, though the endpoint would need
+	/*
+	 * FIXME - Peer to peer DMA is possible, though the endpoint would need
 	 * to be aware of the MPS of the destination.  To work around this,
 	 * simply force the MPS of the entire system to the smallest possible.
 	 */
@@ -2464,7 +2526,7 @@ static unsigned int pci_scan_child_bus_extend(struct pci_bus *bus,
 	for (devfn = 0; devfn < 0x100; devfn += 8)
 		pci_scan_slot(bus, devfn);
 
-	/* Reserve buses for SR-IOV capability. */
+	/* Reserve buses for SR-IOV capability */
 	used_buses = pci_iov_bus_range(bus);
 	max += used_buses;
 
@@ -2506,6 +2568,7 @@ static unsigned int pci_scan_child_bus_extend(struct pci_bus *bus,
 		unsigned int buses = 0;
 
 		if (!hotplug_bridges && normal_bridges == 1) {
+
 			/*
 			 * There is only one bridge on the bus (upstream
 			 * port) so it gets all available buses which it
@@ -2514,6 +2577,7 @@ static unsigned int pci_scan_child_bus_extend(struct pci_bus *bus,
 			 */
 			buses = available_buses;
 		} else if (dev->is_hotplug_bridge) {
+
 			/*
 			 * Distribute the extra buses between hotplug
 			 * bridges if any.
@@ -2572,8 +2636,8 @@ unsigned int pci_scan_child_bus(struct pci_bus *bus)
 EXPORT_SYMBOL_GPL(pci_scan_child_bus);
 
 /**
- * pcibios_root_bridge_prepare - Platform-specific host bridge setup.
- * @bridge: Host bridge to set up.
+ * pcibios_root_bridge_prepare - Platform-specific host bridge setup
+ * @bridge: Host bridge to set up
  *
  * Default empty implementation.  Replace with an architecture-specific setup
  * routine, if necessary.
@@ -2776,7 +2840,7 @@ struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops,
 EXPORT_SYMBOL(pci_scan_bus);
 
 /**
- * pci_rescan_bus_bridge_resize - scan a PCI bus for devices.
+ * pci_rescan_bus_bridge_resize - Scan a PCI bus for devices
  * @bridge: PCI bridge for the bus to scan
  *
  * Scan a PCI bus and child buses for new devices, add them,
@@ -2801,11 +2865,11 @@ unsigned int pci_rescan_bus_bridge_resize(struct pci_dev *bridge)
 }
 
 /**
- * pci_rescan_bus - scan a PCI bus for devices.
+ * pci_rescan_bus - Scan a PCI bus for devices
  * @bus: PCI bus to scan
  *
- * Scan a PCI bus and child buses for new devices, adds them,
- * and enables them.
+ * Scan a PCI bus and child buses for new devices, add them,
+ * and enable them.
  *
  * Returns the max number of subordinate bus discovered.
  */
@@ -2874,7 +2938,7 @@ int pci_hp_add_bridge(struct pci_dev *dev)
 			break;
 	}
 	if (busnr-- > end) {
-		dev_err(&dev->dev, "No bus number available for hot-added bridge\n");
+		pci_err(dev, "No bus number available for hot-added bridge\n");
 		return -1;
 	}
 
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 10684b17d0bd..fc734014206f 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -19,7 +19,6 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/acpi.h>
-#include <linux/kallsyms.h>
 #include <linux/dmi.h>
 #include <linux/pci-aspm.h>
 #include <linux/ioport.h>
@@ -66,7 +65,7 @@ static void quirk_passive_release(struct pci_dev *dev)
 	while ((d = pci_get_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371SB_0, d))) {
 		pci_read_config_byte(d, 0x82, &dlc);
 		if (!(dlc & 1<<1)) {
-			dev_info(&d->dev, "PIIX3: Enabling Passive Release\n");
+			pci_info(d, "PIIX3: Enabling Passive Release\n");
 			dlc |= 1<<1;
 			pci_write_config_byte(d, 0x82, dlc);
 		}
@@ -86,7 +85,7 @@ static void quirk_isa_dma_hangs(struct pci_dev *dev)
 {
 	if (!isa_dma_bridge_buggy) {
 		isa_dma_bridge_buggy = 1;
-		dev_info(&dev->dev, "Activating ISA DMA hang workarounds\n");
+		pci_info(dev, "Activating ISA DMA hang workarounds\n");
 	}
 }
 	/*
@@ -115,7 +114,7 @@ static void quirk_tigerpoint_bm_sts(struct pci_dev *dev)
 	pm1a = inw(pmbase);
 
 	if (pm1a & 0x10) {
-		dev_info(&dev->dev, FW_BUG "TigerPoint LPC.BM_STS cleared\n");
+		pci_info(dev, FW_BUG "TigerPoint LPC.BM_STS cleared\n");
 		outw(0x10, pmbase);
 	}
 }
@@ -127,7 +126,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TGP_LPC, quirk
 static void quirk_nopcipci(struct pci_dev *dev)
 {
 	if ((pci_pci_problems & PCIPCI_FAIL) == 0) {
-		dev_info(&dev->dev, "Disabling direct PCI/PCI transfers\n");
+		pci_info(dev, "Disabling direct PCI/PCI transfers\n");
 		pci_pci_problems |= PCIPCI_FAIL;
 	}
 }
@@ -140,7 +139,7 @@ static void quirk_nopciamd(struct pci_dev *dev)
 	pci_read_config_byte(dev, 0x08, &rev);
 	if (rev == 0x13) {
 		/* Erratum 24 */
-		dev_info(&dev->dev, "Chipset erratum: Disabling direct PCI/AGP transfers\n");
+		pci_info(dev, "Chipset erratum: Disabling direct PCI/AGP transfers\n");
 		pci_pci_problems |= PCIAGP_FAIL;
 	}
 }
@@ -152,7 +151,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_8151_0,	quirk_nopci
 static void quirk_triton(struct pci_dev *dev)
 {
 	if ((pci_pci_problems&PCIPCI_TRITON) == 0) {
-		dev_info(&dev->dev, "Limiting direct PCI/PCI transfers\n");
+		pci_info(dev, "Limiting direct PCI/PCI transfers\n");
 		pci_pci_problems |= PCIPCI_TRITON;
 	}
 }
@@ -212,7 +211,7 @@ static void quirk_vialatency(struct pci_dev *dev)
 	busarb &= ~(1<<5);
 	busarb |= (1<<4);
 	pci_write_config_byte(dev, 0x76, busarb);
-	dev_info(&dev->dev, "Applying VIA southbridge workaround\n");
+	pci_info(dev, "Applying VIA southbridge workaround\n");
 exit:
 	pci_dev_put(p);
 }
@@ -230,7 +229,7 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_8361,		quirk_viala
 static void quirk_viaetbf(struct pci_dev *dev)
 {
 	if ((pci_pci_problems&PCIPCI_VIAETBF) == 0) {
-		dev_info(&dev->dev, "Limiting direct PCI/PCI transfers\n");
+		pci_info(dev, "Limiting direct PCI/PCI transfers\n");
 		pci_pci_problems |= PCIPCI_VIAETBF;
 	}
 }
@@ -239,7 +238,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_82C597_0,	quirk_via
 static void quirk_vsfx(struct pci_dev *dev)
 {
 	if ((pci_pci_problems&PCIPCI_VSFX) == 0) {
-		dev_info(&dev->dev, "Limiting direct PCI/PCI transfers\n");
+		pci_info(dev, "Limiting direct PCI/PCI transfers\n");
 		pci_pci_problems |= PCIPCI_VSFX;
 	}
 }
@@ -254,7 +253,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_82C576,	quirk_vsfx)
 static void quirk_alimagik(struct pci_dev *dev)
 {
 	if ((pci_pci_problems&PCIPCI_ALIMAGIK) == 0) {
-		dev_info(&dev->dev, "Limiting direct PCI/PCI transfers\n");
+		pci_info(dev, "Limiting direct PCI/PCI transfers\n");
 		pci_pci_problems |= PCIPCI_ALIMAGIK|PCIPCI_TRITON;
 	}
 }
@@ -268,7 +267,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL,	PCI_DEVICE_ID_AL_M1651,		quirk_alimagi
 static void quirk_natoma(struct pci_dev *dev)
 {
 	if ((pci_pci_problems&PCIPCI_NATOMA) == 0) {
-		dev_info(&dev->dev, "Limiting direct PCI/PCI transfers\n");
+		pci_info(dev, "Limiting direct PCI/PCI transfers\n");
 		pci_pci_problems |= PCIPCI_NATOMA;
 	}
 }
@@ -313,7 +312,7 @@ static void quirk_extend_bar_to_page(struct pci_dev *dev)
 			r->end = PAGE_SIZE - 1;
 			r->start = 0;
 			r->flags |= IORESOURCE_UNSET;
-			dev_info(&dev->dev, "expanded BAR %d to page size: %pR\n",
+			pci_info(dev, "expanded BAR %d to page size: %pR\n",
 				 i, r);
 		}
 	}
@@ -360,7 +359,7 @@ static void quirk_io(struct pci_dev *dev, int pos, unsigned size,
 	bus_region.end = region + size - 1;
 	pcibios_bus_to_resource(dev->bus, res, &bus_region);
 
-	dev_info(&dev->dev, FW_BUG "%s quirk: reg 0x%x: %pR\n",
+	pci_info(dev, FW_BUG "%s quirk: reg 0x%x: %pR\n",
 		 name, PCI_BASE_ADDRESS_0 + (pos << 2), res);
 }
 
@@ -381,7 +380,7 @@ static void quirk_cs5536_vsa(struct pci_dev *dev)
 		quirk_io(dev, 0,   8, name);	/* SMB */
 		quirk_io(dev, 1, 256, name);	/* GPIO */
 		quirk_io(dev, 2,  64, name);	/* MFGPT */
-		dev_info(&dev->dev, "%s bug detected (incorrect header); workaround applied\n",
+		pci_info(dev, "%s bug detected (incorrect header); workaround applied\n",
 			 name);
 	}
 }
@@ -409,7 +408,7 @@ static void quirk_io_region(struct pci_dev *dev, int port,
 	pcibios_bus_to_resource(dev->bus, res, &bus_region);
 
 	if (!pci_claim_resource(dev, nr))
-		dev_info(&dev->dev, "quirk: %pR claimed by %s\n", res, name);
+		pci_info(dev, "quirk: %pR claimed by %s\n", res, name);
 }
 
 /*
@@ -418,7 +417,7 @@ static void quirk_io_region(struct pci_dev *dev, int port,
  */
 static void quirk_ati_exploding_mce(struct pci_dev *dev)
 {
-	dev_info(&dev->dev, "ATI Northbridge, reserving I/O ports 0x3b0 to 0x3bb\n");
+	pci_info(dev, "ATI Northbridge, reserving I/O ports 0x3b0 to 0x3bb\n");
 	/* Mae rhaid i ni beidio ag edrych ar y lleoliadiau I/O hyn */
 	request_region(0x3b0, 0x0C, "RadeonIGP");
 	request_region(0x3d3, 0x01, "RadeonIGP");
@@ -441,7 +440,7 @@ static void quirk_amd_nl_class(struct pci_dev *pdev)
 
 	/* Use "USB Device (not host controller)" class */
 	pdev->class = PCI_CLASS_SERIAL_USB_DEVICE;
-	dev_info(&pdev->dev, "PCI class overridden (%#08x -> %#08x) so dwc3 driver can claim this instead of xhci\n",
+	pci_info(pdev, "PCI class overridden (%#08x -> %#08x) so dwc3 driver can claim this instead of xhci\n",
 		 class, pdev->class);
 }
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB,
@@ -488,8 +487,7 @@ static void piix4_io_quirk(struct pci_dev *dev, const char *name, unsigned int p
 	 * let's get enough confirmation reports first.
 	 */
 	base &= -size;
-	dev_info(&dev->dev, "%s PIO at %04x-%04x\n", name, base,
-		 base + size - 1);
+	pci_info(dev, "%s PIO at %04x-%04x\n", name, base, base + size - 1);
 }
 
 static void piix4_mem_quirk(struct pci_dev *dev, const char *name, unsigned int port, unsigned int enable)
@@ -514,8 +512,7 @@ static void piix4_mem_quirk(struct pci_dev *dev, const char *name, unsigned int
 	 * reserve it, but let's get enough confirmation reports first.
 	 */
 	base &= -size;
-	dev_info(&dev->dev, "%s MMIO at %04x-%04x\n", name, base,
-		 base + size - 1);
+	pci_info(dev, "%s MMIO at %04x-%04x\n", name, base, base + size - 1);
 }
 
 /*
@@ -644,7 +641,7 @@ static void ich6_lpc_generic_decode(struct pci_dev *dev, unsigned reg, const cha
 	base &= ~(size-1);
 
 	/* Just print it out for now. We should reserve it after more debugging */
-	dev_info(&dev->dev, "%s PIO at %04x-%04x\n", name, base, base+size-1);
+	pci_info(dev, "%s PIO at %04x-%04x\n", name, base, base+size-1);
 }
 
 static void quirk_ich6_lpc(struct pci_dev *dev)
@@ -679,7 +676,7 @@ static void ich7_lpc_generic_decode(struct pci_dev *dev, unsigned reg, const cha
 	mask |= 3;
 
 	/* Just print it out for now. We should reserve it after more debugging */
-	dev_info(&dev->dev, "%s PIO at %04x (mask %04x)\n", name, base, mask);
+	pci_info(dev, "%s PIO at %04x (mask %04x)\n", name, base, mask);
 }
 
 /* ICH7-10 has the same common LPC generic IO decode registers */
@@ -758,7 +755,7 @@ static void quirk_xio2000a(struct pci_dev *dev)
 	struct pci_dev *pdev;
 	u16 command;
 
-	dev_warn(&dev->dev, "TI XIO2000a quirk detected; secondary bus fast back-to-back transfers disabled\n");
+	pci_warn(dev, "TI XIO2000a quirk detected; secondary bus fast back-to-back transfers disabled\n");
 	list_for_each_entry(pdev, &dev->subordinate->devices, bus_list) {
 		pci_read_config_word(pdev, PCI_COMMAND, &command);
 		if (command & PCI_COMMAND_FAST_BACK)
@@ -788,7 +785,7 @@ static void quirk_via_ioapic(struct pci_dev *dev)
 	else
 		tmp = 0x1f; /* all known bits (4-0) routed to external APIC */
 
-	dev_info(&dev->dev, "%sbling VIA external APIC routing\n",
+	pci_info(dev, "%sbling VIA external APIC routing\n",
 	       tmp == 0 ? "Disa" : "Ena");
 
 	/* Offset 0x58: External APIC IRQ output control */
@@ -810,7 +807,7 @@ static void quirk_via_vt8237_bypass_apic_deassert(struct pci_dev *dev)
 
 	pci_read_config_byte(dev, 0x5B, &misc_control2);
 	if (!(misc_control2 & BYPASS_APIC_DEASSERT)) {
-		dev_info(&dev->dev, "Bypassing VIA 8237 APIC De-Assert Message\n");
+		pci_info(dev, "Bypassing VIA 8237 APIC De-Assert Message\n");
 		pci_write_config_byte(dev, 0x5B, misc_control2|BYPASS_APIC_DEASSERT);
 	}
 }
@@ -829,8 +826,8 @@ DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_8237,		quirk
 static void quirk_amd_ioapic(struct pci_dev *dev)
 {
 	if (dev->revision >= 0x02) {
-		dev_warn(&dev->dev, "I/O APIC: AMD Erratum #22 may be present. In the event of instability try\n");
-		dev_warn(&dev->dev, "        : booting with the \"noapic\" option\n");
+		pci_warn(dev, "I/O APIC: AMD Erratum #22 may be present. In the event of instability try\n");
+		pci_warn(dev, "        : booting with the \"noapic\" option\n");
 	}
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_VIPER_7410,	quirk_amd_ioapic);
@@ -854,7 +851,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CAVIUM, 0xa018, quirk_cavium_sriov_rnm_lin
 static void quirk_amd_8131_mmrbc(struct pci_dev *dev)
 {
 	if (dev->subordinate && dev->revision <= 0x12) {
-		dev_info(&dev->dev, "AMD8131 rev %x detected; disabling PCI-X MMRBC\n",
+		pci_info(dev, "AMD8131 rev %x detected; disabling PCI-X MMRBC\n",
 			 dev->revision);
 		dev->subordinate->bus_flags |= PCI_BUS_FLAGS_NO_MMRBC;
 	}
@@ -962,7 +959,7 @@ static void quirk_via_vlink(struct pci_dev *dev)
 
 	pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq);
 	if (new_irq != irq) {
-		dev_info(&dev->dev, "VIA VLink IRQ fixup, from %d to %d\n",
+		pci_info(dev, "VIA VLink IRQ fixup, from %d to %d\n",
 			irq, new_irq);
 		udelay(15);	/* unknown if delay really needed */
 		pci_write_config_byte(dev, PCI_INTERRUPT_LINE, new_irq);
@@ -1011,7 +1008,7 @@ static void quirk_amd_ordering(struct pci_dev *dev)
 	pci_read_config_dword(dev, 0x4C, &pcic);
 	if ((pcic & 6) != 6) {
 		pcic |= 6;
-		dev_warn(&dev->dev, "BIOS failed to enable PCI standards compliance; fixing this error\n");
+		pci_warn(dev, "BIOS failed to enable PCI standards compliance; fixing this error\n");
 		pci_write_config_dword(dev, 0x4C, pcic);
 		pci_read_config_dword(dev, 0x84, &pcic);
 		pcic |= (1 << 23);	/* Required in this mode */
@@ -1064,7 +1061,7 @@ static void quirk_mediagx_master(struct pci_dev *dev)
 	pci_read_config_byte(dev, 0x41, &reg);
 	if (reg & 2) {
 		reg &= ~2;
-		dev_info(&dev->dev, "Fixup for MediaGX/Geode Slave Disconnect Boundary (0x41=0x%02x)\n",
+		pci_info(dev, "Fixup for MediaGX/Geode Slave Disconnect Boundary (0x41=0x%02x)\n",
 			 reg);
 		pci_write_config_byte(dev, 0x41, reg);
 	}
@@ -1087,7 +1084,7 @@ static void quirk_disable_pxb(struct pci_dev *pdev)
 	if (config & (1<<6)) {
 		config &= ~(1<<6);
 		pci_write_config_word(pdev, 0x40, config);
-		dev_info(&pdev->dev, "C0 revision 450NX. Disabling PCI restreaming\n");
+		pci_info(pdev, "C0 revision 450NX. Disabling PCI restreaming\n");
 	}
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82454NX,	quirk_disable_pxb);
@@ -1107,7 +1104,7 @@ static void quirk_amd_ide_mode(struct pci_dev *pdev)
 		pci_write_config_byte(pdev, 0x40, tmp);
 
 		pdev->class = PCI_CLASS_STORAGE_SATA_AHCI;
-		dev_info(&pdev->dev, "set SATA to AHCI mode\n");
+		pci_info(pdev, "set SATA to AHCI mode\n");
 	}
 }
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_amd_ide_mode);
@@ -1145,7 +1142,7 @@ static void quirk_ide_samemode(struct pci_dev *pdev)
 	pci_read_config_byte(pdev, PCI_CLASS_PROG, &prog);
 
 	if (((prog & 1) && !(prog & 4)) || ((prog & 4) && !(prog & 1))) {
-		dev_info(&pdev->dev, "IDE mode mismatch; forcing legacy mode\n");
+		pci_info(pdev, "IDE mode mismatch; forcing legacy mode\n");
 		prog &= ~5;
 		pdev->class &= ~5;
 		pci_write_config_byte(pdev, PCI_CLASS_PROG, prog);
@@ -1356,10 +1353,10 @@ static void asus_hides_smbus_lpc(struct pci_dev *dev)
 		pci_write_config_word(dev, 0xF2, val & (~0x8));
 		pci_read_config_word(dev, 0xF2, &val);
 		if (val & 0x8)
-			dev_info(&dev->dev, "i801 SMBus device continues to play 'hide and seek'! 0x%x\n",
+			pci_info(dev, "i801 SMBus device continues to play 'hide and seek'! 0x%x\n",
 				 val);
 		else
-			dev_info(&dev->dev, "Enabled i801 SMBus device\n");
+			pci_info(dev, "Enabled i801 SMBus device\n");
 	}
 }
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82801AA_0,	asus_hides_smbus_lpc);
@@ -1411,7 +1408,7 @@ static void asus_hides_smbus_lpc_ich6_resume(struct pci_dev *dev)
 		return;
 	iounmap(asus_rcba_base);
 	asus_rcba_base = NULL;
-	dev_info(&dev->dev, "Enabled ICH6/i801 SMBus device\n");
+	pci_info(dev, "Enabled ICH6/i801 SMBus device\n");
 }
 
 static void asus_hides_smbus_lpc_ich6(struct pci_dev *dev)
@@ -1433,7 +1430,7 @@ static void quirk_sis_96x_smbus(struct pci_dev *dev)
 	u8 val = 0;
 	pci_read_config_byte(dev, 0x77, &val);
 	if (val & 0x10) {
-		dev_info(&dev->dev, "Enabling SiS 96x SMBus\n");
+		pci_info(dev, "Enabling SiS 96x SMBus\n");
 		pci_write_config_byte(dev, 0x77, val & ~0x10);
 	}
 }
@@ -1505,10 +1502,10 @@ static void asus_hides_ac97_lpc(struct pci_dev *dev)
 		pci_write_config_byte(dev, 0x50, val & (~0xc0));
 		pci_read_config_byte(dev, 0x50, &val);
 		if (val & 0xc0)
-			dev_info(&dev->dev, "Onboard AC97/MC97 devices continue to play 'hide and seek'! 0x%x\n",
+			pci_info(dev, "Onboard AC97/MC97 devices continue to play 'hide and seek'! 0x%x\n",
 				 val);
 		else
-			dev_info(&dev->dev, "Enabled onboard AC97/MC97 devices\n");
+			pci_info(dev, "Enabled onboard AC97/MC97 devices\n");
 	}
 }
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA,	PCI_DEVICE_ID_VIA_8237, asus_hides_ac97_lpc);
@@ -1599,7 +1596,7 @@ static void quirk_jmicron_async_suspend(struct pci_dev *dev)
 {
 	if (dev->multifunction) {
 		device_disable_async_suspend(&dev->dev);
-		dev_info(&dev->dev, "async suspend disabled to avoid multi-function power-on ordering issue\n");
+		pci_info(dev, "async suspend disabled to avoid multi-function power-on ordering issue\n");
 	}
 }
 DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE, 8, quirk_jmicron_async_suspend);
@@ -1636,8 +1633,8 @@ static void quirk_pcie_mch(struct pci_dev *pdev)
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_E7520_MCH,	quirk_pcie_mch);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_E7320_MCH,	quirk_pcie_mch);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_E7525_MCH,	quirk_pcie_mch);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_HUAWEI,	0x1610,	quirk_pcie_mch);
 
+DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_HUAWEI, 0x1610, PCI_CLASS_BRIDGE_PCI, 8, quirk_pcie_mch);
 
 /*
  * It's possible for the MSI to get corrupted if shpc and acpi
@@ -1646,7 +1643,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_HUAWEI,	0x1610,	quirk_pcie_mch);
 static void quirk_pcie_pxh(struct pci_dev *dev)
 {
 	dev->no_msi = 1;
-	dev_warn(&dev->dev, "PXH quirk detected; SHPC device MSI disabled\n");
+	pci_warn(dev, "PXH quirk detected; SHPC device MSI disabled\n");
 }
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_PXHD_0,	quirk_pcie_pxh);
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_PXHD_1,	quirk_pcie_pxh);
@@ -1692,7 +1689,7 @@ static void quirk_radeon_pm(struct pci_dev *dev)
 	    dev->subsystem_device == 0x00e2) {
 		if (dev->d3_delay < 20) {
 			dev->d3_delay = 20;
-			dev_info(&dev->dev, "extending delay after power-on from D3 to %d msec\n",
+			pci_info(dev, "extending delay after power-on from D3 to %d msec\n",
 				 dev->d3_delay);
 		}
 	}
@@ -1736,7 +1733,7 @@ static void quirk_reroute_to_boot_interrupts_intel(struct pci_dev *dev)
 		return;
 
 	dev->irq_reroute_variant = INTEL_IRQ_REROUTE_VARIANT;
-	dev_info(&dev->dev, "rerouting interrupts for [%04x:%04x]\n",
+	pci_info(dev, "rerouting interrupts for [%04x:%04x]\n",
 		 dev->vendor, dev->device);
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_80333_0,	quirk_reroute_to_boot_interrupts_intel);
@@ -1779,7 +1776,7 @@ static void quirk_disable_intel_boot_interrupt(struct pci_dev *dev)
 	pci_config_word |= INTEL_6300_DISABLE_BOOT_IRQ;
 	pci_write_config_word(dev, INTEL_6300_IOAPIC_ABAR, pci_config_word);
 
-	dev_info(&dev->dev, "disabled boot interrupts on device [%04x:%04x]\n",
+	pci_info(dev, "disabled boot interrupts on device [%04x:%04x]\n",
 		 dev->vendor, dev->device);
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,   PCI_DEVICE_ID_INTEL_ESB_10,	quirk_disable_intel_boot_interrupt);
@@ -1812,7 +1809,7 @@ static void quirk_disable_broadcom_boot_interrupt(struct pci_dev *dev)
 
 	pci_write_config_dword(dev, BC_HT1000_FEATURE_REG, pci_config_dword);
 
-	dev_info(&dev->dev, "disabled boot interrupts on device [%04x:%04x]\n",
+	pci_info(dev, "disabled boot interrupts on device [%04x:%04x]\n",
 		 dev->vendor, dev->device);
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS,   PCI_DEVICE_ID_SERVERWORKS_HT1000SB,	quirk_disable_broadcom_boot_interrupt);
@@ -1845,7 +1842,7 @@ static void quirk_disable_amd_813x_boot_interrupt(struct pci_dev *dev)
 	pci_config_dword &= ~AMD_813X_NOIOAMODE;
 	pci_write_config_dword(dev, AMD_813X_MISC, pci_config_dword);
 
-	dev_info(&dev->dev, "disabled boot interrupts on device [%04x:%04x]\n",
+	pci_info(dev, "disabled boot interrupts on device [%04x:%04x]\n",
 		 dev->vendor, dev->device);
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_8131_BRIDGE,	quirk_disable_amd_813x_boot_interrupt);
@@ -1864,12 +1861,12 @@ static void quirk_disable_amd_8111_boot_interrupt(struct pci_dev *dev)
 
 	pci_read_config_word(dev, AMD_8111_PCI_IRQ_ROUTING, &pci_config_word);
 	if (!pci_config_word) {
-		dev_info(&dev->dev, "boot interrupts on device [%04x:%04x] already disabled\n",
+		pci_info(dev, "boot interrupts on device [%04x:%04x] already disabled\n",
 			 dev->vendor, dev->device);
 		return;
 	}
 	pci_write_config_word(dev, AMD_8111_PCI_IRQ_ROUTING, 0);
-	dev_info(&dev->dev, "disabled boot interrupts on device [%04x:%04x]\n",
+	pci_info(dev, "disabled boot interrupts on device [%04x:%04x]\n",
 		 dev->vendor, dev->device);
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD,   PCI_DEVICE_ID_AMD_8111_SMBUS,	quirk_disable_amd_8111_boot_interrupt);
@@ -1913,7 +1910,7 @@ static void quirk_plx_pci9050(struct pci_dev *dev)
 		if (pci_resource_len(dev, bar) == 0x80 &&
 		    (pci_resource_start(dev, bar) & 0x80)) {
 			struct resource *r = &dev->resource[bar];
-			dev_info(&dev->dev, "Re-allocating PLX PCI 9050 BAR %u to length 256 to avoid bit 7 bug\n",
+			pci_info(dev, "Re-allocating PLX PCI 9050 BAR %u to length 256 to avoid bit 7 bug\n",
 				 bar);
 			r->flags |= IORESOURCE_UNSET;
 			r->start = 0;
@@ -1960,7 +1957,7 @@ static void quirk_netmos(struct pci_dev *dev)
 	case PCI_DEVICE_ID_NETMOS_9845:
 	case PCI_DEVICE_ID_NETMOS_9855:
 		if (num_parallel) {
-			dev_info(&dev->dev, "Netmos %04x (%u parallel, %u serial); changing class SERIAL to OTHER (use parport_serial)\n",
+			pci_info(dev, "Netmos %04x (%u parallel, %u serial); changing class SERIAL to OTHER (use parport_serial)\n",
 				dev->device, num_parallel, num_serial);
 			dev->class = (PCI_CLASS_COMMUNICATION_OTHER << 8) |
 			    (dev->class & 0xff);
@@ -2046,13 +2043,13 @@ static void quirk_e100_interrupt(struct pci_dev *dev)
 	/* Convert from PCI bus to resource space.  */
 	csr = ioremap(pci_resource_start(dev, 0), 8);
 	if (!csr) {
-		dev_warn(&dev->dev, "Can't map e100 registers\n");
+		pci_warn(dev, "Can't map e100 registers\n");
 		return;
 	}
 
 	cmd_hi = readb(csr + 3);
 	if (cmd_hi == 0) {
-		dev_warn(&dev->dev, "Firmware left e100 interrupts enabled; disabling\n");
+		pci_warn(dev, "Firmware left e100 interrupts enabled; disabling\n");
 		writeb(1, csr + 3);
 	}
 
@@ -2067,7 +2064,7 @@ DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_INTEL, PCI_ANY_ID,
  */
 static void quirk_disable_aspm_l0s(struct pci_dev *dev)
 {
-	dev_info(&dev->dev, "Disabling L0s\n");
+	pci_info(dev, "Disabling L0s\n");
 	pci_disable_link_state(dev, PCIE_LINK_STATE_L0S);
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x10a7, quirk_disable_aspm_l0s);
@@ -2097,7 +2094,7 @@ static void fixup_rev1_53c810(struct pci_dev *dev)
 		return;
 
 	dev->class = PCI_CLASS_STORAGE_SCSI << 8;
-	dev_info(&dev->dev, "NCR 53c810 rev 1 PCI class overridden (%#08x -> %#08x)\n",
+	pci_info(dev, "NCR 53c810 rev 1 PCI class overridden (%#08x -> %#08x)\n",
 		 class, dev->class);
 }
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NCR, PCI_DEVICE_ID_NCR_53C810, fixup_rev1_53c810);
@@ -2110,7 +2107,7 @@ static void quirk_p64h2_1k_io(struct pci_dev *dev)
 	pci_read_config_word(dev, 0x40, &en1k);
 
 	if (en1k & 0x200) {
-		dev_info(&dev->dev, "Enable I/O Space to 1KB granularity\n");
+		pci_info(dev, "Enable I/O Space to 1KB granularity\n");
 		dev->io_window_1k = 1;
 	}
 }
@@ -2126,7 +2123,7 @@ static void quirk_nvidia_ck804_pcie_aer_ext_cap(struct pci_dev *dev)
 	if (pci_read_config_byte(dev, 0xf41, &b) == 0) {
 		if (!(b & 0x20)) {
 			pci_write_config_byte(dev, 0xf41, b | 0x20);
-			dev_info(&dev->dev, "Linking AER extended capability\n");
+			pci_info(dev, "Linking AER extended capability\n");
 		}
 	}
 }
@@ -2164,7 +2161,7 @@ static void quirk_via_cx700_pci_parking_caching(struct pci_dev *dev)
 			/* Turn off PCI Bus Parking */
 			pci_write_config_byte(dev, 0x76, b ^ 0x40);
 
-			dev_info(&dev->dev, "Disabling VIA CX700 PCI parking\n");
+			pci_info(dev, "Disabling VIA CX700 PCI parking\n");
 		}
 	}
 
@@ -2179,7 +2176,7 @@ static void quirk_via_cx700_pci_parking_caching(struct pci_dev *dev)
 			/* Disable "Read FIFO Timer" */
 			pci_write_config_byte(dev, 0x77, 0x0);
 
-			dev_info(&dev->dev, "Disabling VIA CX700 PCI caching\n");
+			pci_info(dev, "Disabling VIA CX700 PCI caching\n");
 		}
 	}
 }
@@ -2196,7 +2193,7 @@ static void quirk_blacklist_vpd(struct pci_dev *dev)
 {
 	if (dev->vpd) {
 		dev->vpd->len = 0;
-		dev_warn(&dev->dev, FW_BUG "disabling VPD access (can't determine size of non-standard VPD format)\n");
+		pci_warn(dev, FW_BUG "disabling VPD access (can't determine size of non-standard VPD format)\n");
 	}
 }
 
@@ -2312,7 +2309,7 @@ static void quirk_unhide_mch_dev6(struct pci_dev *dev)
 	u8 reg;
 
 	if (pci_read_config_byte(dev, 0xF4, &reg) == 0 && !(reg & 0x02)) {
-		dev_info(&dev->dev, "Enabling MCH 'Overflow' Device\n");
+		pci_info(dev, "Enabling MCH 'Overflow' Device\n");
 		pci_write_config_byte(dev, 0xF4, reg | 0x02);
 	}
 }
@@ -2351,7 +2348,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_PLX, 0x8624, quirk_tile_plx_gen1);
 static void quirk_disable_all_msi(struct pci_dev *dev)
 {
 	pci_no_msi();
-	dev_warn(&dev->dev, "MSI quirk detected; MSI disabled\n");
+	pci_warn(dev, "MSI quirk detected; MSI disabled\n");
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_GCNB_LE, quirk_disable_all_msi);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS400_200, quirk_disable_all_msi);
@@ -2366,7 +2363,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SI, 0x0761, quirk_disable_all_msi);
 static void quirk_disable_msi(struct pci_dev *dev)
 {
 	if (dev->subordinate) {
-		dev_warn(&dev->dev, "MSI quirk detected; subordinate MSI disabled\n");
+		pci_warn(dev, "MSI quirk detected; subordinate MSI disabled\n");
 		dev->subordinate->bus_flags |= PCI_BUS_FLAGS_NO_MSI;
 	}
 }
@@ -2406,7 +2403,7 @@ static int msi_ht_cap_enabled(struct pci_dev *dev)
 
 		if (pci_read_config_byte(dev, pos + HT_MSI_FLAGS,
 					 &flags) == 0) {
-			dev_info(&dev->dev, "Found %s HT MSI Mapping\n",
+			pci_info(dev, "Found %s HT MSI Mapping\n",
 				flags & HT_MSI_FLAGS_ENABLE ?
 				"enabled" : "disabled");
 			return (flags & HT_MSI_FLAGS_ENABLE) != 0;
@@ -2422,7 +2419,7 @@ static int msi_ht_cap_enabled(struct pci_dev *dev)
 static void quirk_msi_ht_cap(struct pci_dev *dev)
 {
 	if (dev->subordinate && !msi_ht_cap_enabled(dev)) {
-		dev_warn(&dev->dev, "MSI quirk detected; subordinate MSI disabled\n");
+		pci_warn(dev, "MSI quirk detected; subordinate MSI disabled\n");
 		dev->subordinate->bus_flags |= PCI_BUS_FLAGS_NO_MSI;
 	}
 }
@@ -2446,7 +2443,7 @@ static void quirk_nvidia_ck804_msi_ht_cap(struct pci_dev *dev)
 	if (!pdev)
 		return;
 	if (!msi_ht_cap_enabled(dev) && !msi_ht_cap_enabled(pdev)) {
-		dev_warn(&dev->dev, "MSI quirk detected; subordinate MSI disabled\n");
+		pci_warn(dev, "MSI quirk detected; subordinate MSI disabled\n");
 		dev->subordinate->bus_flags |= PCI_BUS_FLAGS_NO_MSI;
 	}
 	pci_dev_put(pdev);
@@ -2465,7 +2462,7 @@ static void ht_enable_msi_mapping(struct pci_dev *dev)
 
 		if (pci_read_config_byte(dev, pos + HT_MSI_FLAGS,
 					 &flags) == 0) {
-			dev_info(&dev->dev, "Enabling HT MSI Mapping\n");
+			pci_info(dev, "Enabling HT MSI Mapping\n");
 
 			pci_write_config_byte(dev, pos + HT_MSI_FLAGS,
 					      flags | HT_MSI_FLAGS_ENABLE);
@@ -2492,7 +2489,7 @@ static void nvenet_msi_disable(struct pci_dev *dev)
 	if (board_name &&
 	    (strstr(board_name, "P5N32-SLI PREMIUM") ||
 	     strstr(board_name, "P5N32-E SLI"))) {
-		dev_info(&dev->dev, "Disabling msi for MCP55 NIC on P5N32-SLI\n");
+		pci_info(dev, "Disabling MSI for MCP55 NIC on P5N32-SLI\n");
 		dev->no_msi = 1;
 	}
 }
@@ -2669,7 +2666,7 @@ static void ht_disable_msi_mapping(struct pci_dev *dev)
 
 		if (pci_read_config_byte(dev, pos + HT_MSI_FLAGS,
 					 &flags) == 0) {
-			dev_info(&dev->dev, "Disabling HT MSI Mapping\n");
+			pci_info(dev, "Disabling HT MSI Mapping\n");
 
 			pci_write_config_byte(dev, pos + HT_MSI_FLAGS,
 					      flags & ~HT_MSI_FLAGS_ENABLE);
@@ -2699,9 +2696,10 @@ static void __nv_msi_ht_cap_quirk(struct pci_dev *dev, int all)
 	 * HT MSI mapping should be disabled on devices that are below
 	 * a non-Hypertransport host bridge. Locate the host bridge...
 	 */
-	host_bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0));
+	host_bridge = pci_get_domain_bus_and_slot(pci_domain_nr(dev->bus), 0,
+						  PCI_DEVFN(0, 0));
 	if (host_bridge == NULL) {
-		dev_warn(&dev->dev, "nv_msi_ht_cap_quirk didn't locate host bridge\n");
+		pci_warn(dev, "nv_msi_ht_cap_quirk didn't locate host bridge\n");
 		return;
 	}
 
@@ -2770,7 +2768,7 @@ static void quirk_msi_intx_disable_qca_bug(struct pci_dev *dev)
 {
 	/* AR816X/AR817X/E210X MSI is fixed at HW level from revision 0x18 */
 	if (dev->revision < 0x18) {
-		dev_info(&dev->dev, "set MSI_INTX_DISABLE_BUG flag\n");
+		pci_info(dev, "set MSI_INTX_DISABLE_BUG flag\n");
 		dev->dev_flags |= PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG;
 	}
 }
@@ -2899,8 +2897,8 @@ static void ricoh_mmc_fixup_rl5c476(struct pci_dev *dev)
 	pci_write_config_byte(dev, 0x8E, write_enable);
 	pci_write_config_byte(dev, 0x8D, write_target);
 
-	dev_notice(&dev->dev, "proprietary Ricoh MMC controller disabled (via cardbus function)\n");
-	dev_notice(&dev->dev, "MMC cards are now supported by standard SDHCI controller\n");
+	pci_notice(dev, "proprietary Ricoh MMC controller disabled (via cardbus function)\n");
+	pci_notice(dev, "MMC cards are now supported by standard SDHCI controller\n");
 }
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, ricoh_mmc_fixup_rl5c476);
 DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, ricoh_mmc_fixup_rl5c476);
@@ -2935,7 +2933,7 @@ static void ricoh_mmc_fixup_r5c832(struct pci_dev *dev)
 		pci_write_config_byte(dev, 0xe1, 0x32);
 		pci_write_config_byte(dev, 0xfc, 0x00);
 
-		dev_notice(&dev->dev, "MMC controller base frequency changed to 50Mhz.\n");
+		pci_notice(dev, "MMC controller base frequency changed to 50Mhz.\n");
 	}
 
 	pci_read_config_byte(dev, 0xCB, &disable);
@@ -2948,8 +2946,8 @@ static void ricoh_mmc_fixup_r5c832(struct pci_dev *dev)
 	pci_write_config_byte(dev, 0xCB, disable | 0x02);
 	pci_write_config_byte(dev, 0xCA, write_enable);
 
-	dev_notice(&dev->dev, "proprietary Ricoh MMC controller disabled (via firewire function)\n");
-	dev_notice(&dev->dev, "MMC cards are now supported by standard SDHCI controller\n");
+	pci_notice(dev, "proprietary Ricoh MMC controller disabled (via firewire function)\n");
+	pci_notice(dev, "MMC cards are now supported by standard SDHCI controller\n");
 
 }
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5C832, ricoh_mmc_fixup_r5c832);
@@ -2990,7 +2988,7 @@ static void fixup_ti816x_class(struct pci_dev *dev)
 
 	/* TI 816x devices do not have class code set when in PCIe boot mode */
 	dev->class = PCI_CLASS_MULTIMEDIA_VIDEO << 8;
-	dev_info(&dev->dev, "PCI class overridden (%#08x -> %#08x)\n",
+	pci_info(dev, "PCI class overridden (%#08x -> %#08x)\n",
 		 class, dev->class);
 }
 DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_TI, 0xb800,
@@ -3032,7 +3030,7 @@ static void quirk_intel_mc_errata(struct pci_dev *dev)
 	 */
 	err = pci_read_config_word(dev, 0x48, &rcc);
 	if (err) {
-		dev_err(&dev->dev, "Error attempting to read the read completion coalescing register\n");
+		pci_err(dev, "Error attempting to read the read completion coalescing register\n");
 		return;
 	}
 
@@ -3043,7 +3041,7 @@ static void quirk_intel_mc_errata(struct pci_dev *dev)
 
 	err = pci_write_config_word(dev, 0x48, rcc);
 	if (err) {
-		dev_err(&dev->dev, "Error attempting to write the read completion coalescing register\n");
+		pci_err(dev, "Error attempting to write the read completion coalescing register\n");
 		return;
 	}
 
@@ -3108,7 +3106,7 @@ static ktime_t fixup_debug_start(struct pci_dev *dev,
 {
 	ktime_t calltime = 0;
 
-	dev_dbg(&dev->dev, "calling %pF\n", fn);
+	pci_dbg(dev, "calling %pF\n", fn);
 	if (initcall_debug) {
 		pr_debug("calling  %pF @ %i for %s\n",
 			 fn, task_pid_nr(current), dev_name(&dev->dev));
@@ -3150,13 +3148,13 @@ static void disable_igfx_irq(struct pci_dev *dev)
 {
 	void __iomem *regs = pci_iomap(dev, 0, 0);
 	if (regs == NULL) {
-		dev_warn(&dev->dev, "igfx quirk: Can't iomap PCI device\n");
+		pci_warn(dev, "igfx quirk: Can't iomap PCI device\n");
 		return;
 	}
 
 	/* Check if any interrupt line is still enabled */
 	if (readl(regs + I915_DEIER_REG) != 0) {
-		dev_warn(&dev->dev, "BIOS left Intel GPU interrupts enabled; disabling\n");
+		pci_warn(dev, "BIOS left Intel GPU interrupts enabled; disabling\n");
 
 		writel(0, regs + I915_DEIER_REG);
 	}
@@ -3215,6 +3213,8 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x0030,
 			quirk_broken_intx_masking);
 DECLARE_PCI_FIXUP_FINAL(0x1814, 0x0601, /* Ralink RT2800 802.11n PCI */
 			quirk_broken_intx_masking);
+DECLARE_PCI_FIXUP_FINAL(0x1b7c, 0x0004, /* Ceton InfiniTV4 */
+			quirk_broken_intx_masking);
 
 /*
  * Realtek RTL8169 PCI Gigabit Ethernet Controller (rev 10)
@@ -3317,13 +3317,13 @@ static void mellanox_check_broken_intx_masking(struct pci_dev *pdev)
 
 	/* For ConnectX-4 and ConnectX-4LX, need to check FW support */
 	if (pci_enable_device_mem(pdev)) {
-		dev_warn(&pdev->dev, "Can't enable device memory\n");
+		pci_warn(pdev, "Can't enable device memory\n");
 		return;
 	}
 
 	fw_ver = ioremap(pci_resource_start(pdev, 0), 4);
 	if (!fw_ver) {
-		dev_warn(&pdev->dev, "Can't map ConnectX-4 initialization segment\n");
+		pci_warn(pdev, "Can't map ConnectX-4 initialization segment\n");
 		goto out;
 	}
 
@@ -3335,7 +3335,7 @@ static void mellanox_check_broken_intx_masking(struct pci_dev *pdev)
 	fw_subminor = fw_sub_min & 0xffff;
 	if (fw_minor > CONNECTX_4_CURR_MAX_MINOR ||
 	    fw_minor < CONNECTX_4_INTX_SUPPORT_MINOR) {
-		dev_warn(&pdev->dev, "ConnectX-4: FW %u.%u.%u doesn't support INTx masking, disabling. Please upgrade FW to %d.14.1100 and up for INTx support\n",
+		pci_warn(pdev, "ConnectX-4: FW %u.%u.%u doesn't support INTx masking, disabling. Please upgrade FW to %d.14.1100 and up for INTx support\n",
 			 fw_major, fw_minor, fw_subminor, pdev->device ==
 			 PCI_DEVICE_ID_MELLANOX_CONNECTX4 ? 12 : 14);
 		pdev->broken_intx_masking = 1;
@@ -3473,7 +3473,7 @@ static void quirk_apple_poweroff_thunderbolt(struct pci_dev *dev)
 	    || ACPI_FAILURE(acpi_get_handle(bridge, "DSB0.NHI0.SXFP", &SXFP))
 	    || ACPI_FAILURE(acpi_get_handle(bridge, "DSB0.NHI0.SXLV", &SXLV)))
 		return;
-	dev_info(&dev->dev, "quirk: cutting power to thunderbolt controller...\n");
+	pci_info(dev, "quirk: cutting power to thunderbolt controller...\n");
 
 	/* magic sequence */
 	acpi_execute_simple_method(SXIO, NULL, 1);
@@ -3524,7 +3524,7 @@ static void quirk_apple_wait_for_thunderbolt(struct pci_dev *dev)
 			nhi->device != PCI_DEVICE_ID_INTEL_FALCON_RIDGE_4C_NHI)
 		    || nhi->class != PCI_CLASS_SYSTEM_OTHER << 8)
 		goto out;
-	dev_info(&dev->dev, "quirk: waiting for thunderbolt to reestablish PCI tunnels...\n");
+	pci_info(dev, "quirk: waiting for thunderbolt to reestablish PCI tunnels...\n");
 	device_pm_wait_for_dev(&dev->dev, &nhi->dev);
 out:
 	pci_dev_put(nhi);
@@ -3740,7 +3740,7 @@ static int reset_ivb_igd(struct pci_dev *dev, int probe)
 			goto reset_complete;
 		msleep(10);
 	} while (time_before(jiffies, timeout));
-	dev_warn(&dev->dev, "timeout during reset\n");
+	pci_warn(dev, "timeout during reset\n");
 
 reset_complete:
 	iowrite32(0x00000002, mmio_base + NSDE_PWR_STATE);
@@ -3879,6 +3879,8 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9120,
 			 quirk_dma_func1_alias);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9123,
 			 quirk_dma_func1_alias);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9128,
+			 quirk_dma_func1_alias);
 /* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c14 */
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9130,
 			 quirk_dma_func1_alias);
@@ -4012,7 +4014,7 @@ static void quirk_tw686x_class(struct pci_dev *pdev)
 
 	/* Use "Multimedia controller" class */
 	pdev->class = (PCI_CLASS_MULTIMEDIA_OTHER << 8) | 0x01;
-	dev_info(&pdev->dev, "TW686x PCI class overridden (%#08x -> %#08x)\n",
+	pci_info(pdev, "TW686x PCI class overridden (%#08x -> %#08x)\n",
 		 class, pdev->class);
 }
 DECLARE_PCI_FIXUP_CLASS_EARLY(0x1797, 0x6864, PCI_CLASS_NOT_DEFINED, 8,
@@ -4032,7 +4034,7 @@ DECLARE_PCI_FIXUP_CLASS_EARLY(0x1797, 0x6869, PCI_CLASS_NOT_DEFINED, 8,
 static void quirk_relaxedordering_disable(struct pci_dev *dev)
 {
 	dev->dev_flags |= PCI_DEV_FLAGS_NO_RELAXED_ORDERING;
-	dev_info(&dev->dev, "Disable Relaxed Ordering Attributes to avoid PCIe Completion erratum\n");
+	pci_info(dev, "Disable Relaxed Ordering Attributes to avoid PCIe Completion erratum\n");
 }
 
 /*
@@ -4141,11 +4143,11 @@ static void quirk_disable_root_port_attributes(struct pci_dev *pdev)
 	struct pci_dev *root_port = pci_find_pcie_root_port(pdev);
 
 	if (!root_port) {
-		dev_warn(&pdev->dev, "PCIe Completion erratum may cause device errors\n");
+		pci_warn(pdev, "PCIe Completion erratum may cause device errors\n");
 		return;
 	}
 
-	dev_info(&root_port->dev, "Disabling No Snoop/Relaxed Ordering Attributes to avoid PCIe Completion erratum in %s\n",
+	pci_info(root_port, "Disabling No Snoop/Relaxed Ordering Attributes to avoid PCIe Completion erratum in %s\n",
 		 dev_name(&pdev->dev));
 	pcie_capability_clear_and_set_word(root_port, PCI_EXP_DEVCTL,
 					   PCI_EXP_DEVCTL_RELAX_EN |
@@ -4339,7 +4341,7 @@ static int pci_quirk_qcom_rp_acs(struct pci_dev *dev, u16 acs_flags)
 	u16 flags = (PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF | PCI_ACS_SV);
 	int ret = acs_flags & ~flags ? 0 : 1;
 
-	dev_info(&dev->dev, "Using QCOM ACS Quirk (%d)\n", ret);
+	pci_info(dev, "Using QCOM ACS Quirk (%d)\n", ret);
 
 	return ret;
 }
@@ -4591,7 +4593,7 @@ static int pci_quirk_enable_intel_lpc_acs(struct pci_dev *dev)
 	if (bspr != (INTEL_BSPR_REG_BPNPD | INTEL_BSPR_REG_BPPD)) {
 		updcr = readl(rcba_mem + INTEL_UPDCR_REG);
 		if (updcr & INTEL_UPDCR_REG_MASK) {
-			dev_info(&dev->dev, "Disabling UPDCR peer decodes\n");
+			pci_info(dev, "Disabling UPDCR peer decodes\n");
 			updcr &= ~INTEL_UPDCR_REG_MASK;
 			writel(updcr, rcba_mem + INTEL_UPDCR_REG);
 		}
@@ -4618,7 +4620,7 @@ static void pci_quirk_enable_intel_rp_mpc_acs(struct pci_dev *dev)
 	 */
 	pci_read_config_dword(dev, INTEL_MPC_REG, &mpc);
 	if (!(mpc & INTEL_MPC_REG_IRBNCE)) {
-		dev_info(&dev->dev, "Enabling MPC IRBNCE\n");
+		pci_info(dev, "Enabling MPC IRBNCE\n");
 		mpc |= INTEL_MPC_REG_IRBNCE;
 		pci_write_config_word(dev, INTEL_MPC_REG, mpc);
 	}
@@ -4630,7 +4632,7 @@ static int pci_quirk_enable_intel_pch_acs(struct pci_dev *dev)
 		return -ENOTTY;
 
 	if (pci_quirk_enable_intel_lpc_acs(dev)) {
-		dev_warn(&dev->dev, "Failed to enable Intel PCH ACS quirk\n");
+		pci_warn(dev, "Failed to enable Intel PCH ACS quirk\n");
 		return 0;
 	}
 
@@ -4638,7 +4640,7 @@ static int pci_quirk_enable_intel_pch_acs(struct pci_dev *dev)
 
 	dev->dev_flags |= PCI_DEV_FLAGS_ACS_ENABLED_QUIRK;
 
-	dev_info(&dev->dev, "Intel PCH root port ACS workaround enabled\n");
+	pci_info(dev, "Intel PCH root port ACS workaround enabled\n");
 
 	return 0;
 }
@@ -4665,7 +4667,7 @@ static int pci_quirk_enable_intel_spt_pch_acs(struct pci_dev *dev)
 
 	pci_write_config_dword(dev, pos + INTEL_SPT_ACS_CTRL, ctrl);
 
-	dev_info(&dev->dev, "Intel SPT PCH root port ACS workaround enabled\n");
+	pci_info(dev, "Intel SPT PCH root port ACS workaround enabled\n");
 
 	return 0;
 }
@@ -4800,7 +4802,7 @@ static void quirk_no_ext_tags(struct pci_dev *pdev)
 		return;
 
 	bridge->no_ext_tags = 1;
-	dev_info(&pdev->dev, "disabling Extended Tags (this device can't handle them)\n");
+	pci_info(pdev, "disabling Extended Tags (this device can't handle them)\n");
 
 	pci_walk_bus(bridge->bus, pci_configure_extended_tags, NULL);
 }
@@ -4815,7 +4817,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0144, quirk_no_ext_tags);
  */
 static void quirk_no_ats(struct pci_dev *pdev)
 {
-	dev_info(&pdev->dev, "disabling ATS (broken on this device)\n");
+	pci_info(pdev, "disabling ATS (broken on this device)\n");
 	pdev->ats_cap = 0;
 }
 
diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c
index 1f5e6af96c83..2f8fcd9ba5c1 100644
--- a/drivers/pci/rom.c
+++ b/drivers/pci/rom.c
@@ -92,15 +92,15 @@ size_t pci_get_rom_size(struct pci_dev *pdev, void __iomem *rom, size_t size)
 		void __iomem *pds;
 		/* Standard PCI ROMs start out with these bytes 55 AA */
 		if (readw(image) != 0xAA55) {
-			dev_err(&pdev->dev, "Invalid PCI ROM header signature: expecting 0xaa55, got %#06x\n",
-				readw(image));
+			pci_info(pdev, "Invalid PCI ROM header signature: expecting 0xaa55, got %#06x\n",
+				 readw(image));
 			break;
 		}
 		/* get the PCI data structure and check its "PCIR" signature */
 		pds = image + readw(image + 24);
 		if (readl(pds) != 0x52494350) {
-			dev_err(&pdev->dev, "Invalid PCI ROM data signature: expecting 0x52494350, got %#010x\n",
-				readl(pds));
+			pci_info(pdev, "Invalid PCI ROM data signature: expecting 0x52494350, got %#010x\n",
+				 readl(pds));
 			break;
 		}
 		last_image = readb(pds + 21) & 0x80;
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index b1ad466199ad..b56bfdc18b46 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -67,10 +67,8 @@ static int add_to_list(struct list_head *head,
 	struct pci_dev_resource *tmp;
 
 	tmp = kzalloc(sizeof(*tmp), GFP_KERNEL);
-	if (!tmp) {
-		pr_warn("add_to_list: kmalloc() failed!\n");
+	if (!tmp)
 		return -ENOMEM;
-	}
 
 	tmp->res = res;
 	tmp->dev = dev;
@@ -152,7 +150,7 @@ static void pdev_sort_resources(struct pci_dev *dev, struct list_head *head)
 
 		r_align = pci_resource_alignment(dev, r);
 		if (!r_align) {
-			dev_warn(&dev->dev, "BAR %d: %pR has bogus alignment\n",
+			pci_warn(dev, "BAR %d: %pR has bogus alignment\n",
 				 i, r);
 			continue;
 		}
@@ -260,7 +258,7 @@ static void reassign_resources_sorted(struct list_head *realloc_head,
 				 (IORESOURCE_STARTALIGN|IORESOURCE_SIZEALIGN);
 			if (pci_reassign_resource(add_res->dev, idx,
 						  add_size, align))
-				dev_printk(KERN_DEBUG, &add_res->dev->dev,
+				pci_printk(KERN_DEBUG, add_res->dev,
 					   "failed to add %llx res[%d]=%pR\n",
 					   (unsigned long long)add_size,
 					   idx, res);
@@ -519,7 +517,7 @@ void pci_setup_cardbus(struct pci_bus *bus)
 	struct resource *res;
 	struct pci_bus_region region;
 
-	dev_info(&bridge->dev, "CardBus bridge to %pR\n",
+	pci_info(bridge, "CardBus bridge to %pR\n",
 		 &bus->busn_res);
 
 	res = bus->resource[0];
@@ -529,7 +527,7 @@ void pci_setup_cardbus(struct pci_bus *bus)
 		 * The IO resource is allocated a range twice as large as it
 		 * would normally need.  This allows us to set both IO regs.
 		 */
-		dev_info(&bridge->dev, "  bridge window %pR\n", res);
+		pci_info(bridge, "  bridge window %pR\n", res);
 		pci_write_config_dword(bridge, PCI_CB_IO_BASE_0,
 					region.start);
 		pci_write_config_dword(bridge, PCI_CB_IO_LIMIT_0,
@@ -539,7 +537,7 @@ void pci_setup_cardbus(struct pci_bus *bus)
 	res = bus->resource[1];
 	pcibios_resource_to_bus(bridge->bus, &region, res);
 	if (res->flags & IORESOURCE_IO) {
-		dev_info(&bridge->dev, "  bridge window %pR\n", res);
+		pci_info(bridge, "  bridge window %pR\n", res);
 		pci_write_config_dword(bridge, PCI_CB_IO_BASE_1,
 					region.start);
 		pci_write_config_dword(bridge, PCI_CB_IO_LIMIT_1,
@@ -549,7 +547,7 @@ void pci_setup_cardbus(struct pci_bus *bus)
 	res = bus->resource[2];
 	pcibios_resource_to_bus(bridge->bus, &region, res);
 	if (res->flags & IORESOURCE_MEM) {
-		dev_info(&bridge->dev, "  bridge window %pR\n", res);
+		pci_info(bridge, "  bridge window %pR\n", res);
 		pci_write_config_dword(bridge, PCI_CB_MEMORY_BASE_0,
 					region.start);
 		pci_write_config_dword(bridge, PCI_CB_MEMORY_LIMIT_0,
@@ -559,7 +557,7 @@ void pci_setup_cardbus(struct pci_bus *bus)
 	res = bus->resource[3];
 	pcibios_resource_to_bus(bridge->bus, &region, res);
 	if (res->flags & IORESOURCE_MEM) {
-		dev_info(&bridge->dev, "  bridge window %pR\n", res);
+		pci_info(bridge, "  bridge window %pR\n", res);
 		pci_write_config_dword(bridge, PCI_CB_MEMORY_BASE_1,
 					region.start);
 		pci_write_config_dword(bridge, PCI_CB_MEMORY_LIMIT_1,
@@ -602,7 +600,7 @@ static void pci_setup_bridge_io(struct pci_dev *bridge)
 		l = ((u16) io_limit_lo << 8) | io_base_lo;
 		/* Set up upper 16 bits of I/O base/limit. */
 		io_upper16 = (region.end & 0xffff0000) | (region.start >> 16);
-		dev_info(&bridge->dev, "  bridge window %pR\n", res);
+		pci_info(bridge, "  bridge window %pR\n", res);
 	} else {
 		/* Clear upper 16 bits of I/O base/limit. */
 		io_upper16 = 0;
@@ -628,7 +626,7 @@ static void pci_setup_bridge_mmio(struct pci_dev *bridge)
 	if (res->flags & IORESOURCE_MEM) {
 		l = (region.start >> 16) & 0xfff0;
 		l |= region.end & 0xfff00000;
-		dev_info(&bridge->dev, "  bridge window %pR\n", res);
+		pci_info(bridge, "  bridge window %pR\n", res);
 	} else {
 		l = 0x0000fff0;
 	}
@@ -657,7 +655,7 @@ static void pci_setup_bridge_mmio_pref(struct pci_dev *bridge)
 			bu = upper_32_bits(region.start);
 			lu = upper_32_bits(region.end);
 		}
-		dev_info(&bridge->dev, "  bridge window %pR\n", res);
+		pci_info(bridge, "  bridge window %pR\n", res);
 	} else {
 		l = 0x0000fff0;
 	}
@@ -672,7 +670,7 @@ static void __pci_setup_bridge(struct pci_bus *bus, unsigned long type)
 {
 	struct pci_dev *bridge = bus->self;
 
-	dev_info(&bridge->dev, "PCI bridge to %pR\n",
+	pci_info(bridge, "PCI bridge to %pR\n",
 		 &bus->busn_res);
 
 	if (type & IORESOURCE_IO)
@@ -944,7 +942,7 @@ static void pbus_size_io(struct pci_bus *bus, resource_size_t min_size,
 			resource_size(b_res), min_align);
 	if (!size0 && !size1) {
 		if (b_res->start || b_res->end)
-			dev_info(&bus->self->dev, "disabling bridge window %pR to %pR (unused)\n",
+			pci_info(bus->self, "disabling bridge window %pR to %pR (unused)\n",
 				 b_res, &bus->busn_res);
 		b_res->flags = 0;
 		return;
@@ -956,7 +954,7 @@ static void pbus_size_io(struct pci_bus *bus, resource_size_t min_size,
 	if (size1 > size0 && realloc_head) {
 		add_to_list(realloc_head, bus->self, b_res, size1-size0,
 			    min_align);
-		dev_printk(KERN_DEBUG, &bus->self->dev, "bridge window %pR to %pR add_size %llx\n",
+		pci_printk(KERN_DEBUG, bus->self, "bridge window %pR to %pR add_size %llx\n",
 			   b_res, &bus->busn_res,
 			   (unsigned long long)size1-size0);
 	}
@@ -1061,7 +1059,7 @@ static int pbus_size_mem(struct pci_bus *bus, unsigned long mask,
 			if (order < 0)
 				order = 0;
 			if (order >= ARRAY_SIZE(aligns)) {
-				dev_warn(&dev->dev, "disabling BAR %d: %pR (bad alignment %#llx)\n",
+				pci_warn(dev, "disabling BAR %d: %pR (bad alignment %#llx)\n",
 					 i, r, (unsigned long long) align);
 				r->flags = 0;
 				continue;
@@ -1093,7 +1091,7 @@ static int pbus_size_mem(struct pci_bus *bus, unsigned long mask,
 				resource_size(b_res), add_align);
 	if (!size0 && !size1) {
 		if (b_res->start || b_res->end)
-			dev_info(&bus->self->dev, "disabling bridge window %pR to %pR (unused)\n",
+			pci_info(bus->self, "disabling bridge window %pR to %pR (unused)\n",
 				 b_res, &bus->busn_res);
 		b_res->flags = 0;
 		return 0;
@@ -1103,7 +1101,7 @@ static int pbus_size_mem(struct pci_bus *bus, unsigned long mask,
 	b_res->flags |= IORESOURCE_STARTALIGN;
 	if (size1 > size0 && realloc_head) {
 		add_to_list(realloc_head, bus->self, b_res, size1-size0, add_align);
-		dev_printk(KERN_DEBUG, &bus->self->dev, "bridge window %pR to %pR add_size %llx add_align %llx\n",
+		pci_printk(KERN_DEBUG, bus->self, "bridge window %pR to %pR add_size %llx add_align %llx\n",
 			   b_res, &bus->busn_res,
 			   (unsigned long long) (size1 - size0),
 			   (unsigned long long) add_align);
@@ -1407,7 +1405,7 @@ void __pci_bus_assign_resources(const struct pci_bus *bus,
 			break;
 
 		default:
-			dev_info(&dev->dev, "not setting up bridge for bus %04x:%02x\n",
+			pci_info(dev, "not setting up bridge for bus %04x:%02x\n",
 				 pci_domain_nr(b), b->number);
 			break;
 		}
@@ -1513,7 +1511,7 @@ static void __pci_bridge_assign_resources(const struct pci_dev *bridge,
 		break;
 
 	default:
-		dev_info(&bridge->dev, "not setting up bridge for bus %04x:%02x\n",
+		pci_info(bridge, "not setting up bridge for bus %04x:%02x\n",
 			 pci_domain_nr(b), b->number);
 		break;
 	}
@@ -1571,7 +1569,7 @@ static void pci_bridge_release_resources(struct pci_bus *bus,
 	release_child_resources(r);
 	if (!release_resource(r)) {
 		type = old_flags = r->flags & PCI_RES_TYPE_MASK;
-		dev_printk(KERN_DEBUG, &dev->dev, "resource %d %pR released\n",
+		pci_printk(KERN_DEBUG, dev, "resource %d %pR released\n",
 					PCI_BRIDGE_RESOURCES + idx, r);
 		/* keep the old size */
 		r->end = resource_size(r) - 1;
@@ -1874,7 +1872,7 @@ static void extend_bridge_window(struct pci_dev *bridge, struct resource *res,
 		return;
 
 	dev_res->add_size = available - resource_size(res);
-	dev_dbg(&bridge->dev, "bridge window %pR extended by %pa\n", res,
+	pci_dbg(bridge, "bridge window %pR extended by %pa\n", res,
 		&dev_res->add_size);
 }
 
@@ -2085,7 +2083,7 @@ again:
 enable_all:
 	retval = pci_reenable_device(bridge);
 	if (retval)
-		dev_err(&bridge->dev, "Error reenabling bridge (%d)\n", retval);
+		pci_err(bridge, "Error reenabling bridge (%d)\n", retval);
 	pci_set_master(bridge);
 }
 EXPORT_SYMBOL_GPL(pci_assign_unassigned_bridge_resources);
@@ -2119,7 +2117,7 @@ int pci_reassign_bridge_resources(struct pci_dev *bridge, unsigned long type)
 			if (ret)
 				goto cleanup;
 
-			dev_info(&bridge->dev, "BAR %d: releasing %pR\n",
+			pci_info(bridge, "BAR %d: releasing %pR\n",
 				 i, res);
 
 			if (res->parent)
diff --git a/drivers/pci/setup-irq.c b/drivers/pci/setup-irq.c
index 86106c44ce94..774defe2f7e8 100644
--- a/drivers/pci/setup-irq.c
+++ b/drivers/pci/setup-irq.c
@@ -25,7 +25,7 @@ void pci_assign_irq(struct pci_dev *dev)
 	struct pci_host_bridge *hbrg = pci_find_host_bridge(dev->bus);
 
 	if (!(hbrg->map_irq)) {
-		dev_dbg(&dev->dev, "runtime IRQ mapping not provided by arch\n");
+		pci_dbg(dev, "runtime IRQ mapping not provided by arch\n");
 		return;
 	}
 
@@ -55,7 +55,7 @@ void pci_assign_irq(struct pci_dev *dev)
 	}
 	dev->irq = irq;
 
-	dev_dbg(&dev->dev, "assign IRQ: got %d\n", dev->irq);
+	pci_dbg(dev, "assign IRQ: got %d\n", dev->irq);
 
 	/* Always tell the device, so the driver knows what is
 	   the real IRQ to use; the device does not use it. */
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index e815111f3f81..369d48d6c6f1 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -103,7 +103,7 @@ static void pci_std_update_resource(struct pci_dev *dev, int resno)
 	pci_read_config_dword(dev, reg, &check);
 
 	if ((new ^ check) & mask) {
-		dev_err(&dev->dev, "BAR %d: error updating (%#08x != %#08x)\n",
+		pci_err(dev, "BAR %d: error updating (%#08x != %#08x)\n",
 			resno, new, check);
 	}
 
@@ -112,7 +112,7 @@ static void pci_std_update_resource(struct pci_dev *dev, int resno)
 		pci_write_config_dword(dev, reg + 4, new);
 		pci_read_config_dword(dev, reg + 4, &check);
 		if (check != new) {
-			dev_err(&dev->dev, "BAR %d: error updating (high %#08x != %#08x)\n",
+			pci_err(dev, "BAR %d: error updating (high %#08x != %#08x)\n",
 				resno, new, check);
 		}
 	}
@@ -137,7 +137,7 @@ int pci_claim_resource(struct pci_dev *dev, int resource)
 	struct resource *root, *conflict;
 
 	if (res->flags & IORESOURCE_UNSET) {
-		dev_info(&dev->dev, "can't claim BAR %d %pR: no address assigned\n",
+		pci_info(dev, "can't claim BAR %d %pR: no address assigned\n",
 			 resource, res);
 		return -EINVAL;
 	}
@@ -152,7 +152,7 @@ int pci_claim_resource(struct pci_dev *dev, int resource)
 
 	root = pci_find_parent_resource(dev, res);
 	if (!root) {
-		dev_info(&dev->dev, "can't claim BAR %d %pR: no compatible bridge window\n",
+		pci_info(dev, "can't claim BAR %d %pR: no compatible bridge window\n",
 			 resource, res);
 		res->flags |= IORESOURCE_UNSET;
 		return -EINVAL;
@@ -160,7 +160,7 @@ int pci_claim_resource(struct pci_dev *dev, int resource)
 
 	conflict = request_resource_conflict(root, res);
 	if (conflict) {
-		dev_info(&dev->dev, "can't claim BAR %d %pR: address conflict with %s %pR\n",
+		pci_info(dev, "can't claim BAR %d %pR: address conflict with %s %pR\n",
 			 resource, res, conflict->name, conflict);
 		res->flags |= IORESOURCE_UNSET;
 		return -EBUSY;
@@ -172,7 +172,7 @@ EXPORT_SYMBOL(pci_claim_resource);
 
 void pci_disable_bridge_window(struct pci_dev *dev)
 {
-	dev_info(&dev->dev, "disabling bridge mem windows\n");
+	pci_info(dev, "disabling bridge mem windows\n");
 
 	/* MMIO Base/Limit */
 	pci_write_config_dword(dev, PCI_MEMORY_BASE, 0x0000fff0);
@@ -221,11 +221,11 @@ static int pci_revert_fw_address(struct resource *res, struct pci_dev *dev,
 			root = &iomem_resource;
 	}
 
-	dev_info(&dev->dev, "BAR %d: trying firmware assignment %pR\n",
+	pci_info(dev, "BAR %d: trying firmware assignment %pR\n",
 		 resno, res);
 	conflict = request_resource_conflict(root, res);
 	if (conflict) {
-		dev_info(&dev->dev, "BAR %d: %pR conflicts with %s %pR\n",
+		pci_info(dev, "BAR %d: %pR conflicts with %s %pR\n",
 			 resno, res, conflict->name, conflict);
 		res->start = start;
 		res->end = end;
@@ -324,7 +324,7 @@ int pci_assign_resource(struct pci_dev *dev, int resno)
 	res->flags |= IORESOURCE_UNSET;
 	align = pci_resource_alignment(dev, res);
 	if (!align) {
-		dev_info(&dev->dev, "BAR %d: can't assign %pR (bogus alignment)\n",
+		pci_info(dev, "BAR %d: can't assign %pR (bogus alignment)\n",
 			 resno, res);
 		return -EINVAL;
 	}
@@ -338,19 +338,18 @@ int pci_assign_resource(struct pci_dev *dev, int resno)
 	 * working, which is better than just leaving it disabled.
 	 */
 	if (ret < 0) {
-		dev_info(&dev->dev, "BAR %d: no space for %pR\n", resno, res);
+		pci_info(dev, "BAR %d: no space for %pR\n", resno, res);
 		ret = pci_revert_fw_address(res, dev, resno, size);
 	}
 
 	if (ret < 0) {
-		dev_info(&dev->dev, "BAR %d: failed to assign %pR\n", resno,
-			 res);
+		pci_info(dev, "BAR %d: failed to assign %pR\n", resno, res);
 		return ret;
 	}
 
 	res->flags &= ~IORESOURCE_UNSET;
 	res->flags &= ~IORESOURCE_STARTALIGN;
-	dev_info(&dev->dev, "BAR %d: assigned %pR\n", resno, res);
+	pci_info(dev, "BAR %d: assigned %pR\n", resno, res);
 	if (resno < PCI_BRIDGE_RESOURCES)
 		pci_update_resource(dev, resno);
 
@@ -372,7 +371,7 @@ int pci_reassign_resource(struct pci_dev *dev, int resno, resource_size_t addsiz
 	flags = res->flags;
 	res->flags |= IORESOURCE_UNSET;
 	if (!res->parent) {
-		dev_info(&dev->dev, "BAR %d: can't reassign an unassigned resource %pR\n",
+		pci_info(dev, "BAR %d: can't reassign an unassigned resource %pR\n",
 			 resno, res);
 		return -EINVAL;
 	}
@@ -382,14 +381,14 @@ int pci_reassign_resource(struct pci_dev *dev, int resno, resource_size_t addsiz
 	ret = _pci_assign_resource(dev, resno, new_size, min_align);
 	if (ret) {
 		res->flags = flags;
-		dev_info(&dev->dev, "BAR %d: %pR (failed to expand by %#llx)\n",
+		pci_info(dev, "BAR %d: %pR (failed to expand by %#llx)\n",
 			 resno, res, (unsigned long long) addsize);
 		return ret;
 	}
 
 	res->flags &= ~IORESOURCE_UNSET;
 	res->flags &= ~IORESOURCE_STARTALIGN;
-	dev_info(&dev->dev, "BAR %d: reassigned %pR (expanded by %#llx)\n",
+	pci_info(dev, "BAR %d: reassigned %pR (expanded by %#llx)\n",
 		 resno, res, (unsigned long long) addsize);
 	if (resno < PCI_BRIDGE_RESOURCES)
 		pci_update_resource(dev, resno);
@@ -401,7 +400,7 @@ void pci_release_resource(struct pci_dev *dev, int resno)
 {
 	struct resource *res = dev->resource + resno;
 
-	dev_info(&dev->dev, "BAR %d: releasing %pR\n", resno, res);
+	pci_info(dev, "BAR %d: releasing %pR\n", resno, res);
 	release_resource(res);
 	res->end = resource_size(res) - 1;
 	res->start = 0;
@@ -477,13 +476,13 @@ int pci_enable_resources(struct pci_dev *dev, int mask)
 			continue;
 
 		if (r->flags & IORESOURCE_UNSET) {
-			dev_err(&dev->dev, "can't enable device: BAR %d %pR not assigned\n",
+			pci_err(dev, "can't enable device: BAR %d %pR not assigned\n",
 				i, r);
 			return -EINVAL;
 		}
 
 		if (!r->parent) {
-			dev_err(&dev->dev, "can't enable device: BAR %d %pR not claimed\n",
+			pci_err(dev, "can't enable device: BAR %d %pR not claimed\n",
 				i, r);
 			return -EINVAL;
 		}
@@ -495,8 +494,7 @@ int pci_enable_resources(struct pci_dev *dev, int mask)
 	}
 
 	if (cmd != old_cmd) {
-		dev_info(&dev->dev, "enabling device (%04x -> %04x)\n",
-			 old_cmd, cmd);
+		pci_info(dev, "enabling device (%04x -> %04x)\n", old_cmd, cmd);
 		pci_write_config_word(dev, PCI_COMMAND, cmd);
 	}
 	return 0;
diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c
index fab143a17f9c..94c62a670fcd 100644
--- a/drivers/pci/switch/switchtec.c
+++ b/drivers/pci/switch/switchtec.c
@@ -707,6 +707,7 @@ static const struct event_reg {
 	EV_GLB(SWITCHTEC_IOCTL_EVENT_CLI_MRPC_COMP_ASYNC,
 	       cli_mrpc_comp_async_hdr),
 	EV_GLB(SWITCHTEC_IOCTL_EVENT_GPIO_INT, gpio_interrupt_hdr),
+	EV_GLB(SWITCHTEC_IOCTL_EVENT_GFMS, gfms_event_hdr),
 	EV_PAR(SWITCHTEC_IOCTL_EVENT_PART_RESET, part_reset_hdr),
 	EV_PAR(SWITCHTEC_IOCTL_EVENT_MRPC_COMP, mrpc_comp_hdr),
 	EV_PAR(SWITCHTEC_IOCTL_EVENT_MRPC_COMP_ASYNC, mrpc_comp_async_hdr),
@@ -1352,6 +1353,8 @@ static const struct pci_device_id switchtec_pci_tbl[] = {
 	SWITCHTEC_PCI_DEVICE(0x8534),  //PFX 64xG3
 	SWITCHTEC_PCI_DEVICE(0x8535),  //PFX 80xG3
 	SWITCHTEC_PCI_DEVICE(0x8536),  //PFX 96xG3
+	SWITCHTEC_PCI_DEVICE(0x8541),  //PSX 24xG3
+	SWITCHTEC_PCI_DEVICE(0x8542),  //PSX 32xG3
 	SWITCHTEC_PCI_DEVICE(0x8543),  //PSX 48xG3
 	SWITCHTEC_PCI_DEVICE(0x8544),  //PSX 64xG3
 	SWITCHTEC_PCI_DEVICE(0x8545),  //PSX 80xG3
diff --git a/drivers/pci/syscall.c b/drivers/pci/syscall.c
index 83efa001c2e7..e725f99b5479 100644
--- a/drivers/pci/syscall.c
+++ b/drivers/pci/syscall.c
@@ -28,7 +28,7 @@ SYSCALL_DEFINE5(pciconfig_read, unsigned long, bus, unsigned long, dfn,
 		return -EPERM;
 
 	err = -ENODEV;
-	dev = pci_get_bus_and_slot(bus, dfn);
+	dev = pci_get_domain_bus_and_slot(0, bus, dfn);
 	if (!dev)
 		goto error;
 
@@ -96,7 +96,7 @@ SYSCALL_DEFINE5(pciconfig_write, unsigned long, bus, unsigned long, dfn,
 	if (!capable(CAP_SYS_ADMIN))
 		return -EPERM;
 
-	dev = pci_get_bus_and_slot(bus, dfn);
+	dev = pci_get_domain_bus_and_slot(0, bus, dfn);
 	if (!dev)
 		return -ENODEV;
 
diff --git a/drivers/pci/vc.c b/drivers/pci/vc.c
index 1fa3a3219c45..881b9861aed4 100644
--- a/drivers/pci/vc.c
+++ b/drivers/pci/vc.c
@@ -57,7 +57,7 @@ static void pci_vc_load_arb_table(struct pci_dev *dev, int pos)
 				 PCI_VC_PORT_STATUS_TABLE))
 		return;
 
-	dev_err(&dev->dev, "VC arbitration table failed to load\n");
+	pci_err(dev, "VC arbitration table failed to load\n");
 }
 
 /**
@@ -85,7 +85,7 @@ static void pci_vc_load_port_arb_table(struct pci_dev *dev, int pos, int res)
 	if (pci_wait_for_pending(dev, status_pos, PCI_VC_RES_STATUS_TABLE))
 		return;
 
-	dev_err(&dev->dev, "VC%d port arbitration table failed to load\n", res);
+	pci_err(dev, "VC%d port arbitration table failed to load\n", res);
 }
 
 /**
@@ -161,11 +161,11 @@ enable:
 	pci_write_config_dword(dev, ctrl_pos, ctrl);
 
 	if (!pci_wait_for_pending(dev, status_pos, PCI_VC_RES_STATUS_NEGO))
-		dev_err(&dev->dev, "VC%d negotiation stuck pending\n", id);
+		pci_err(dev, "VC%d negotiation stuck pending\n", id);
 
 	if (link && !pci_wait_for_pending(link, status_pos2,
 					  PCI_VC_RES_STATUS_NEGO))
-		dev_err(&link->dev, "VC%d negotiation stuck pending\n", id);
+		pci_err(link, "VC%d negotiation stuck pending\n", id);
 }
 
 /**
@@ -195,8 +195,7 @@ static int pci_vc_do_save_buffer(struct pci_dev *dev, int pos,
 	/* Sanity check buffer size for save/restore */
 	if (buf && save_state->cap.size !=
 	    pci_vc_do_save_buffer(dev, pos, NULL, save)) {
-		dev_err(&dev->dev,
-			"VC save buffer size does not match @0x%x\n", pos);
+		pci_err(dev, "VC save buffer size does not match @0x%x\n", pos);
 		return -ENOMEM;
 	}
 
@@ -366,14 +365,14 @@ int pci_save_vc_state(struct pci_dev *dev)
 
 		save_state = pci_find_saved_ext_cap(dev, vc_caps[i].id);
 		if (!save_state) {
-			dev_err(&dev->dev, "%s buffer not found in %s\n",
+			pci_err(dev, "%s buffer not found in %s\n",
 				vc_caps[i].name, __func__);
 			return -ENOMEM;
 		}
 
 		ret = pci_vc_do_save_buffer(dev, pos, save_state, true);
 		if (ret) {
-			dev_err(&dev->dev, "%s save unsuccessful %s\n",
+			pci_err(dev, "%s save unsuccessful %s\n",
 				vc_caps[i].name, __func__);
 			return ret;
 		}
@@ -426,8 +425,7 @@ void pci_allocate_vc_save_buffers(struct pci_dev *dev)
 
 		len = pci_vc_do_save_buffer(dev, pos, NULL, false);
 		if (pci_add_ext_cap_save_buffer(dev, vc_caps[i].id, len))
-			dev_err(&dev->dev,
-				"unable to preallocate %s save buffer\n",
+			pci_err(dev, "unable to preallocate %s save buffer\n",
 				vc_caps[i].name);
 	}
 }
diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c
index 8fc2e9532575..69888196756d 100644
--- a/drivers/pci/xen-pcifront.c
+++ b/drivers/pci/xen-pcifront.c
@@ -261,8 +261,8 @@ static int pci_frontend_enable_msix(struct pci_dev *dev,
 	struct msi_desc *entry;
 
 	if (nvec > SH_INFO_MAX_VEC) {
-		dev_err(&dev->dev, "too much vector for pci frontend: %x."
-				   " Increase SH_INFO_MAX_VEC.\n", nvec);
+		pci_err(dev, "too many vectors (0x%x) for PCI frontend:"
+				   " Increase SH_INFO_MAX_VEC\n", nvec);
 		return -EINVAL;
 	}
 
@@ -281,7 +281,7 @@ static int pci_frontend_enable_msix(struct pci_dev *dev,
 			/* we get the result */
 			for (i = 0; i < nvec; i++) {
 				if (op.msix_entries[i].vector <= 0) {
-					dev_warn(&dev->dev, "MSI-X entry %d is invalid: %d!\n",
+					pci_warn(dev, "MSI-X entry %d is invalid: %d!\n",
 						i, op.msix_entries[i].vector);
 					err = -EINVAL;
 					vector[i] = -1;
@@ -295,7 +295,7 @@ static int pci_frontend_enable_msix(struct pci_dev *dev,
 			err = op.value;
 		}
 	} else {
-		dev_err(&dev->dev, "enable msix get err %x\n", err);
+		pci_err(dev, "enable msix get err %x\n", err);
 	}
 	return err;
 }
@@ -316,7 +316,7 @@ static void pci_frontend_disable_msix(struct pci_dev *dev)
 
 	/* What should do for error ? */
 	if (err)
-		dev_err(&dev->dev, "pci_disable_msix get err %x\n", err);
+		pci_err(dev, "pci_disable_msix get err %x\n", err);
 }
 
 static int pci_frontend_enable_msi(struct pci_dev *dev, int vector[])
@@ -335,13 +335,13 @@ static int pci_frontend_enable_msi(struct pci_dev *dev, int vector[])
 	if (likely(!err)) {
 		vector[0] = op.value;
 		if (op.value <= 0) {
-			dev_warn(&dev->dev, "MSI entry is invalid: %d!\n",
+			pci_warn(dev, "MSI entry is invalid: %d!\n",
 				op.value);
 			err = -EINVAL;
 			vector[0] = -1;
 		}
 	} else {
-		dev_err(&dev->dev, "pci frontend enable msi failed for dev "
+		pci_err(dev, "pci frontend enable msi failed for dev "
 				    "%x:%x\n", op.bus, op.devfn);
 		err = -EINVAL;
 	}
@@ -560,7 +560,7 @@ static void free_root_bus_devs(struct pci_bus *bus)
 	while (!list_empty(&bus->devices)) {
 		dev = container_of(bus->devices.next, struct pci_dev,
 				   bus_list);
-		dev_dbg(&dev->dev, "removing device\n");
+		pci_dbg(dev, "removing device\n");
 		pci_stop_and_remove_bus_device(dev);
 	}
 }
@@ -595,6 +595,7 @@ static pci_ers_result_t pcifront_common_process(int cmd,
 	struct pci_driver *pdrv;
 	int bus = pdev->sh_info->aer_op.bus;
 	int devfn = pdev->sh_info->aer_op.devfn;
+	int domain = pdev->sh_info->aer_op.domain;
 	struct pci_dev *pcidev;
 	int flag = 0;
 
@@ -603,7 +604,7 @@ static pci_ers_result_t pcifront_common_process(int cmd,
 		cmd, bus, devfn);
 	result = PCI_ERS_RESULT_NONE;
 
-	pcidev = pci_get_bus_and_slot(bus, devfn);
+	pcidev = pci_get_domain_bus_and_slot(domain, bus, devfn);
 	if (!pcidev || !pcidev->driver) {
 		dev_err(&pdev->xdev->dev, "device or AER driver is NULL\n");
 		pci_dev_put(pcidev);
@@ -613,8 +614,7 @@ static pci_ers_result_t pcifront_common_process(int cmd,
 
 	if (pdrv) {
 		if (pdrv->err_handler && pdrv->err_handler->error_detected) {
-			dev_dbg(&pcidev->dev,
-				"trying to call AER service\n");
+			pci_dbg(pcidev, "trying to call AER service\n");
 			if (pcidev) {
 				flag = 1;
 				switch (cmd) {
diff --git a/drivers/sbus/char/openprom.c b/drivers/sbus/char/openprom.c
index 2c2e6a3b4c7e..7b31f19ade83 100644
--- a/drivers/sbus/char/openprom.c
+++ b/drivers/sbus/char/openprom.c
@@ -251,8 +251,9 @@ static int oprompci2node(void __user *argp, struct device_node *dp, struct openp
 		struct pci_dev *pdev;
 		struct device_node *dp;
 
-		pdev = pci_get_bus_and_slot (((int *) op->oprom_array)[0],
-				      ((int *) op->oprom_array)[1]);
+		pdev = pci_get_domain_bus_and_slot(0,
+						((int *) op->oprom_array)[0],
+						((int *) op->oprom_array)[1]);
 
 		dp = pci_device_to_OF_node(pdev);
 		data->current_node = dp;
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index 445b1dc5d441..a17ba1465815 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -422,7 +422,10 @@ static const char *vgacon_startup(void)
 		vga_video_port_val = VGA_CRT_DM;
 		if ((screen_info.orig_video_ega_bx & 0xff) != 0x10) {
 			static struct resource ega_console_resource =
-			    { .name = "ega", .start = 0x3B0, .end = 0x3BF };
+			    { .name	= "ega",
+			      .flags	= IORESOURCE_IO,
+			      .start	= 0x3B0,
+			      .end	= 0x3BF };
 			vga_video_type = VIDEO_TYPE_EGAM;
 			vga_vram_size = 0x8000;
 			display_desc = "EGA+";
@@ -430,9 +433,15 @@ static const char *vgacon_startup(void)
 					 &ega_console_resource);
 		} else {
 			static struct resource mda1_console_resource =
-			    { .name = "mda", .start = 0x3B0, .end = 0x3BB };
+			    { .name	= "mda",
+			      .flags	= IORESOURCE_IO,
+			      .start	= 0x3B0,
+			      .end	= 0x3BB };
 			static struct resource mda2_console_resource =
-			    { .name = "mda", .start = 0x3BF, .end = 0x3BF };
+			    { .name	= "mda",
+			      .flags	= IORESOURCE_IO,
+			      .start	= 0x3BF,
+			      .end	= 0x3BF };
 			vga_video_type = VIDEO_TYPE_MDA;
 			vga_vram_size = 0x2000;
 			display_desc = "*MDA";
@@ -454,15 +463,21 @@ static const char *vgacon_startup(void)
 			vga_vram_size = 0x8000;
 
 			if (!screen_info.orig_video_isVGA) {
-				static struct resource ega_console_resource
-				    = { .name = "ega", .start = 0x3C0, .end = 0x3DF };
+				static struct resource ega_console_resource =
+				    { .name	= "ega",
+				      .flags	= IORESOURCE_IO,
+				      .start	= 0x3C0,
+				      .end	= 0x3DF };
 				vga_video_type = VIDEO_TYPE_EGAC;
 				display_desc = "EGA";
 				request_resource(&ioport_resource,
 						 &ega_console_resource);
 			} else {
-				static struct resource vga_console_resource
-				    = { .name = "vga+", .start = 0x3C0, .end = 0x3DF };
+				static struct resource vga_console_resource =
+				    { .name	= "vga+",
+				      .flags	= IORESOURCE_IO,
+				      .start	= 0x3C0,
+				      .end	= 0x3DF };
 				vga_video_type = VIDEO_TYPE_VGAC;
 				display_desc = "VGA+";
 				request_resource(&ioport_resource,
@@ -494,7 +509,10 @@ static const char *vgacon_startup(void)
 			}
 		} else {
 			static struct resource cga_console_resource =
-			    { .name = "cga", .start = 0x3D4, .end = 0x3D5 };
+			    { .name	= "cga",
+			      .flags	= IORESOURCE_IO,
+			      .start	= 0x3D4,
+			      .end	= 0x3D5 };
 			vga_video_type = VIDEO_TYPE_CGA;
 			vga_vram_size = 0x2000;
 			display_desc = "*CGA";
diff --git a/drivers/video/fbdev/intelfb/intelfbhw.c b/drivers/video/fbdev/intelfb/intelfbhw.c
index 83fec573cceb..57aff7450bce 100644
--- a/drivers/video/fbdev/intelfb/intelfbhw.c
+++ b/drivers/video/fbdev/intelfb/intelfbhw.c
@@ -181,7 +181,9 @@ int intelfbhw_get_memory(struct pci_dev *pdev, int *aperture_size,
 		return 1;
 
 	/* Find the bridge device.  It is always 0:0.0 */
-	if (!(bridge_dev = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0)))) {
+	bridge_dev = pci_get_domain_bus_and_slot(pci_domain_nr(pdev->bus), 0,
+						 PCI_DEVFN(0, 0));
+	if (!bridge_dev) {
 		ERR_MSG("cannot find bridge device\n");
 		return 1;
 	}
diff --git a/drivers/video/fbdev/nvidia/nv_hw.c b/drivers/video/fbdev/nvidia/nv_hw.c
index 81c80ac3c76f..8335da4ca30e 100644
--- a/drivers/video/fbdev/nvidia/nv_hw.c
+++ b/drivers/video/fbdev/nvidia/nv_hw.c
@@ -683,10 +683,11 @@ static void nForceUpdateArbitrationSettings(unsigned VClk,
 	nv10_sim_state sim_data;
 	unsigned int M, N, P, pll, MClk, NVClk, memctrl;
 	struct pci_dev *dev;
+	int domain = pci_domain_nr(par->pci_dev->bus);
 
 	if ((par->Chipset & 0x0FF0) == 0x01A0) {
 		unsigned int uMClkPostDiv;
-		dev = pci_get_bus_and_slot(0, 3);
+		dev = pci_get_domain_bus_and_slot(domain, 0, 3);
 		pci_read_config_dword(dev, 0x6C, &uMClkPostDiv);
 		uMClkPostDiv = (uMClkPostDiv >> 8) & 0xf;
 
@@ -694,7 +695,7 @@ static void nForceUpdateArbitrationSettings(unsigned VClk,
 			uMClkPostDiv = 4;
 		MClk = 400000 / uMClkPostDiv;
 	} else {
-		dev = pci_get_bus_and_slot(0, 5);
+		dev = pci_get_domain_bus_and_slot(domain, 0, 5);
 		pci_read_config_dword(dev, 0x4c, &MClk);
 		MClk /= 1000;
 	}
@@ -707,13 +708,13 @@ static void nForceUpdateArbitrationSettings(unsigned VClk,
 	sim_data.pix_bpp = (char)pixelDepth;
 	sim_data.enable_video = 0;
 	sim_data.enable_mp = 0;
-	dev = pci_get_bus_and_slot(0, 1);
+	dev = pci_get_domain_bus_and_slot(domain, 0, 1);
 	pci_read_config_dword(dev, 0x7C, &sim_data.memory_type);
 	pci_dev_put(dev);
 	sim_data.memory_type = (sim_data.memory_type >> 12) & 1;
 	sim_data.memory_width = 64;
 
-	dev = pci_get_bus_and_slot(0, 3);
+	dev = pci_get_domain_bus_and_slot(domain, 0, 3);
 	pci_read_config_dword(dev, 0, &memctrl);
 	pci_dev_put(dev);
 	memctrl >>= 16;
@@ -721,7 +722,7 @@ static void nForceUpdateArbitrationSettings(unsigned VClk,
 	if ((memctrl == 0x1A9) || (memctrl == 0x1AB) || (memctrl == 0x1ED)) {
 		u32 dimm[3];
 
-		dev = pci_get_bus_and_slot(0, 2);
+		dev = pci_get_domain_bus_and_slot(domain, 0, 2);
 		pci_read_config_dword(dev, 0x40, &dimm[0]);
 		dimm[0] = (dimm[0] >> 8) & 0x4f;
 		pci_read_config_dword(dev, 0x44, &dimm[1]);
diff --git a/drivers/video/fbdev/nvidia/nv_setup.c b/drivers/video/fbdev/nvidia/nv_setup.c
index 2f2e162134fa..b17acd290360 100644
--- a/drivers/video/fbdev/nvidia/nv_setup.c
+++ b/drivers/video/fbdev/nvidia/nv_setup.c
@@ -264,7 +264,8 @@ static void nv10GetConfig(struct nvidia_par *par)
 	}
 #endif
 
-	dev = pci_get_bus_and_slot(0, 1);
+	dev = pci_get_domain_bus_and_slot(pci_domain_nr(par->pci_dev->bus),
+					  0, 1);
 	if ((par->Chipset & 0xffff) == 0x01a0) {
 		u32 amt;
 
diff --git a/drivers/video/fbdev/riva/fbdev.c b/drivers/video/fbdev/riva/fbdev.c
index 1ea78bb911fb..ff8282374f37 100644
--- a/drivers/video/fbdev/riva/fbdev.c
+++ b/drivers/video/fbdev/riva/fbdev.c
@@ -780,7 +780,7 @@ static int riva_load_video_mode(struct fb_info *info)
 	else
 		newmode.misc_output |= 0x80;	
 
-	rc = CalcStateExt(&par->riva, &newmode.ext, bpp, width,
+	rc = CalcStateExt(&par->riva, &newmode.ext, par->pdev, bpp, width,
 			  hDisplaySize, height, dotClock);
 	if (rc)
 		goto out;
diff --git a/drivers/video/fbdev/riva/nv_driver.c b/drivers/video/fbdev/riva/nv_driver.c
index f3694cf17e58..a3d9c66973ad 100644
--- a/drivers/video/fbdev/riva/nv_driver.c
+++ b/drivers/video/fbdev/riva/nv_driver.c
@@ -159,6 +159,7 @@ unsigned long riva_get_memlen(struct riva_par *par)
 	unsigned int chipset = par->Chipset;
 	struct pci_dev* dev;
 	u32 amt;
+	int domain = pci_domain_nr(par->pdev->bus);
 
 	switch (chip->Architecture) {
 	case NV_ARCH_03:
@@ -226,12 +227,12 @@ unsigned long riva_get_memlen(struct riva_par *par)
 	case NV_ARCH_30:
 		if(chipset == NV_CHIP_IGEFORCE2) {
 
-			dev = pci_get_bus_and_slot(0, 1);
+			dev = pci_get_domain_bus_and_slot(domain, 0, 1);
 			pci_read_config_dword(dev, 0x7C, &amt);
 			pci_dev_put(dev);
 			memlen = (((amt >> 6) & 31) + 1) * 1024;
 		} else if (chipset == NV_CHIP_0x01F0) {
-			dev = pci_get_bus_and_slot(0, 1);
+			dev = pci_get_domain_bus_and_slot(domain, 0, 1);
 			pci_read_config_dword(dev, 0x84, &amt);
 			pci_dev_put(dev);
 			memlen = (((amt >> 4) & 127) + 1) * 1024;
@@ -417,6 +418,6 @@ riva_common_setup(struct riva_par *par)
 	}
 	par->riva.flatPanel = (par->FlatPanel > 0) ? TRUE : FALSE;
 
-	RivaGetConfig(&par->riva, par->Chipset);
+	RivaGetConfig(&par->riva, par->pdev, par->Chipset);
 }
 
diff --git a/drivers/video/fbdev/riva/riva_hw.c b/drivers/video/fbdev/riva/riva_hw.c
index 8bdf37f3013b..0601c13f2105 100644
--- a/drivers/video/fbdev/riva/riva_hw.c
+++ b/drivers/video/fbdev/riva/riva_hw.c
@@ -1108,7 +1108,8 @@ static void nForceUpdateArbitrationSettings
     unsigned      pixelDepth,
     unsigned     *burst,
     unsigned     *lwm,
-    RIVA_HW_INST *chip
+    RIVA_HW_INST *chip,
+    struct pci_dev *pdev
 )
 {
     nv10_fifo_info fifo_data;
@@ -1116,8 +1117,9 @@ static void nForceUpdateArbitrationSettings
     unsigned int M, N, P, pll, MClk, NVClk;
     unsigned int uMClkPostDiv;
     struct pci_dev *dev;
+    int domain = pci_domain_nr(pdev->bus);
 
-    dev = pci_get_bus_and_slot(0, 3);
+    dev = pci_get_domain_bus_and_slot(domain, 0, 3);
     pci_read_config_dword(dev, 0x6C, &uMClkPostDiv);
     pci_dev_put(dev);
     uMClkPostDiv = (uMClkPostDiv >> 8) & 0xf;
@@ -1132,7 +1134,7 @@ static void nForceUpdateArbitrationSettings
     sim_data.enable_video   = 0;
     sim_data.enable_mp      = 0;
 
-    dev = pci_get_bus_and_slot(0, 1);
+    dev = pci_get_domain_bus_and_slot(domain, 0, 1);
     pci_read_config_dword(dev, 0x7C, &sim_data.memory_type);
     pci_dev_put(dev);
     sim_data.memory_type    = (sim_data.memory_type >> 12) & 1;
@@ -1234,6 +1236,7 @@ int CalcStateExt
 (
     RIVA_HW_INST  *chip,
     RIVA_HW_STATE *state,
+    struct pci_dev *pdev,
     int            bpp,
     int            width,
     int            hDisplaySize,
@@ -1300,7 +1303,7 @@ int CalcStateExt
                                           pixelDepth * 8,
                                          &(state->arbitration0),
                                          &(state->arbitration1),
-                                          chip);
+                                          chip, pdev);
             } else {
                 nv10UpdateArbitrationSettings(VClk, 
                                           pixelDepth * 8, 
@@ -2102,10 +2105,12 @@ static void nv4GetConfig
 static void nv10GetConfig
 (
     RIVA_HW_INST *chip,
+    struct pci_dev *pdev,
     unsigned int chipset
 )
 {
     struct pci_dev* dev;
+    int domain = pci_domain_nr(pdev->bus);
     u32 amt;
 
 #ifdef __BIG_ENDIAN
@@ -2118,12 +2123,12 @@ static void nv10GetConfig
      * Fill in chip configuration.
      */
     if(chipset == NV_CHIP_IGEFORCE2) {
-        dev = pci_get_bus_and_slot(0, 1);
+        dev = pci_get_domain_bus_and_slot(domain, 0, 1);
         pci_read_config_dword(dev, 0x7C, &amt);
         pci_dev_put(dev);
         chip->RamAmountKBytes = (((amt >> 6) & 31) + 1) * 1024;
     } else if(chipset == NV_CHIP_0x01F0) {
-        dev = pci_get_bus_and_slot(0, 1);
+        dev = pci_get_domain_bus_and_slot(domain, 0, 1);
         pci_read_config_dword(dev, 0x84, &amt);
         pci_dev_put(dev);
         chip->RamAmountKBytes = (((amt >> 4) & 127) + 1) * 1024;
@@ -2224,6 +2229,7 @@ static void nv10GetConfig
 int RivaGetConfig
 (
     RIVA_HW_INST *chip,
+    struct pci_dev *pdev,
     unsigned int chipset
 )
 {
@@ -2245,7 +2251,7 @@ int RivaGetConfig
         case NV_ARCH_10:
         case NV_ARCH_20:
         case NV_ARCH_30:
-            nv10GetConfig(chip, chipset);
+            nv10GetConfig(chip, pdev, chipset);
             break;
         default:
             return (-1);
diff --git a/drivers/video/fbdev/riva/riva_hw.h b/drivers/video/fbdev/riva/riva_hw.h
index c2769f73e0b2..5e7b35466b00 100644
--- a/drivers/video/fbdev/riva/riva_hw.h
+++ b/drivers/video/fbdev/riva/riva_hw.h
@@ -536,6 +536,7 @@ extern int CalcStateExt
 (
     RIVA_HW_INST  *chip,
     RIVA_HW_STATE *state,
+    struct pci_dev *pdev,
     int            bpp,
     int            width,
     int            hDisplaySize,
@@ -546,7 +547,7 @@ extern int CalcStateExt
 /*
  * External routines.
  */
-int RivaGetConfig(RIVA_HW_INST *, unsigned int);
+int RivaGetConfig(RIVA_HW_INST *chip, struct pci_dev *pdev, unsigned int c);
 /*
  * FIFO Free Count. Should attempt to yield processor if RIVA is busy.
  */
diff --git a/include/linux/of_pci.h b/include/linux/of_pci.h
index bf588a05d0d0..88865e0ebf4d 100644
--- a/include/linux/of_pci.h
+++ b/include/linux/of_pci.h
@@ -9,8 +9,7 @@ struct pci_dev;
 struct of_phandle_args;
 struct device_node;
 
-#ifdef CONFIG_OF_PCI
-int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq);
+#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_PCI)
 struct device_node *of_pci_find_child_device(struct device_node *parent,
 					     unsigned int devfn);
 int of_pci_get_devfn(struct device_node *np);
@@ -23,11 +22,6 @@ int of_pci_map_rid(struct device_node *np, u32 rid,
 		   const char *map_name, const char *map_mask_name,
 		   struct device_node **target, u32 *id_out);
 #else
-static inline int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq)
-{
-	return 0;
-}
-
 static inline struct device_node *of_pci_find_child_device(struct device_node *parent,
 					     unsigned int devfn)
 {
diff --git a/include/linux/pci-aspm.h b/include/linux/pci-aspm.h
index 3cc06b059017..df28af5cef21 100644
--- a/include/linux/pci-aspm.h
+++ b/include/linux/pci-aspm.h
@@ -24,43 +24,12 @@
 #define PCIE_LINK_STATE_CLKPM	4
 
 #ifdef CONFIG_PCIEASPM
-void pcie_aspm_init_link_state(struct pci_dev *pdev);
-void pcie_aspm_exit_link_state(struct pci_dev *pdev);
-void pcie_aspm_pm_state_change(struct pci_dev *pdev);
-void pcie_aspm_powersave_config_link(struct pci_dev *pdev);
 void pci_disable_link_state(struct pci_dev *pdev, int state);
 void pci_disable_link_state_locked(struct pci_dev *pdev, int state);
 void pcie_no_aspm(void);
 #else
-static inline void pcie_aspm_init_link_state(struct pci_dev *pdev)
-{
-}
-static inline void pcie_aspm_exit_link_state(struct pci_dev *pdev)
-{
-}
-static inline void pcie_aspm_pm_state_change(struct pci_dev *pdev)
-{
-}
-static inline void pcie_aspm_powersave_config_link(struct pci_dev *pdev)
-{
-}
-static inline void pci_disable_link_state(struct pci_dev *pdev, int state)
-{
-}
-static inline void pcie_no_aspm(void)
-{
-}
+static inline void pci_disable_link_state(struct pci_dev *pdev, int state) { }
+static inline void pcie_no_aspm(void) { }
 #endif
 
-#ifdef CONFIG_PCIEASPM_DEBUG /* this depends on CONFIG_PCIEASPM */
-void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev);
-void pcie_aspm_remove_sysfs_dev_files(struct pci_dev *pdev);
-#else
-static inline void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev)
-{
-}
-static inline void pcie_aspm_remove_sysfs_dev_files(struct pci_dev *pdev)
-{
-}
-#endif
 #endif /* LINUX_ASPM_H */
diff --git a/include/linux/pci-dma-compat.h b/include/linux/pci-dma-compat.h
index d1f9fdade1e0..0dd1a3f7b309 100644
--- a/include/linux/pci-dma-compat.h
+++ b/include/linux/pci-dma-compat.h
@@ -17,91 +17,90 @@ static inline void *
 pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
 		     dma_addr_t *dma_handle)
 {
-	return dma_alloc_coherent(hwdev == NULL ? NULL : &hwdev->dev, size, dma_handle, GFP_ATOMIC);
+	return dma_alloc_coherent(&hwdev->dev, size, dma_handle, GFP_ATOMIC);
 }
 
 static inline void *
 pci_zalloc_consistent(struct pci_dev *hwdev, size_t size,
 		      dma_addr_t *dma_handle)
 {
-	return dma_zalloc_coherent(hwdev == NULL ? NULL : &hwdev->dev,
-				   size, dma_handle, GFP_ATOMIC);
+	return dma_zalloc_coherent(&hwdev->dev, size, dma_handle, GFP_ATOMIC);
 }
 
 static inline void
 pci_free_consistent(struct pci_dev *hwdev, size_t size,
 		    void *vaddr, dma_addr_t dma_handle)
 {
-	dma_free_coherent(hwdev == NULL ? NULL : &hwdev->dev, size, vaddr, dma_handle);
+	dma_free_coherent(&hwdev->dev, size, vaddr, dma_handle);
 }
 
 static inline dma_addr_t
 pci_map_single(struct pci_dev *hwdev, void *ptr, size_t size, int direction)
 {
-	return dma_map_single(hwdev == NULL ? NULL : &hwdev->dev, ptr, size, (enum dma_data_direction)direction);
+	return dma_map_single(&hwdev->dev, ptr, size, (enum dma_data_direction)direction);
 }
 
 static inline void
 pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
 		 size_t size, int direction)
 {
-	dma_unmap_single(hwdev == NULL ? NULL : &hwdev->dev, dma_addr, size, (enum dma_data_direction)direction);
+	dma_unmap_single(&hwdev->dev, dma_addr, size, (enum dma_data_direction)direction);
 }
 
 static inline dma_addr_t
 pci_map_page(struct pci_dev *hwdev, struct page *page,
 	     unsigned long offset, size_t size, int direction)
 {
-	return dma_map_page(hwdev == NULL ? NULL : &hwdev->dev, page, offset, size, (enum dma_data_direction)direction);
+	return dma_map_page(&hwdev->dev, page, offset, size, (enum dma_data_direction)direction);
 }
 
 static inline void
 pci_unmap_page(struct pci_dev *hwdev, dma_addr_t dma_address,
 	       size_t size, int direction)
 {
-	dma_unmap_page(hwdev == NULL ? NULL : &hwdev->dev, dma_address, size, (enum dma_data_direction)direction);
+	dma_unmap_page(&hwdev->dev, dma_address, size, (enum dma_data_direction)direction);
 }
 
 static inline int
 pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg,
 	   int nents, int direction)
 {
-	return dma_map_sg(hwdev == NULL ? NULL : &hwdev->dev, sg, nents, (enum dma_data_direction)direction);
+	return dma_map_sg(&hwdev->dev, sg, nents, (enum dma_data_direction)direction);
 }
 
 static inline void
 pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg,
 	     int nents, int direction)
 {
-	dma_unmap_sg(hwdev == NULL ? NULL : &hwdev->dev, sg, nents, (enum dma_data_direction)direction);
+	dma_unmap_sg(&hwdev->dev, sg, nents, (enum dma_data_direction)direction);
 }
 
 static inline void
 pci_dma_sync_single_for_cpu(struct pci_dev *hwdev, dma_addr_t dma_handle,
 		    size_t size, int direction)
 {
-	dma_sync_single_for_cpu(hwdev == NULL ? NULL : &hwdev->dev, dma_handle, size, (enum dma_data_direction)direction);
+	dma_sync_single_for_cpu(&hwdev->dev, dma_handle, size, (enum dma_data_direction)direction);
 }
 
 static inline void
 pci_dma_sync_single_for_device(struct pci_dev *hwdev, dma_addr_t dma_handle,
 		    size_t size, int direction)
 {
-	dma_sync_single_for_device(hwdev == NULL ? NULL : &hwdev->dev, dma_handle, size, (enum dma_data_direction)direction);
+	dma_sync_single_for_device(&hwdev->dev, dma_handle, size, (enum dma_data_direction)direction);
 }
 
 static inline void
 pci_dma_sync_sg_for_cpu(struct pci_dev *hwdev, struct scatterlist *sg,
 		int nelems, int direction)
 {
-	dma_sync_sg_for_cpu(hwdev == NULL ? NULL : &hwdev->dev, sg, nelems, (enum dma_data_direction)direction);
+	dma_sync_sg_for_cpu(&hwdev->dev, sg, nelems, (enum dma_data_direction)direction);
 }
 
 static inline void
 pci_dma_sync_sg_for_device(struct pci_dev *hwdev, struct scatterlist *sg,
 		int nelems, int direction)
 {
-	dma_sync_sg_for_device(hwdev == NULL ? NULL : &hwdev->dev, sg, nelems, (enum dma_data_direction)direction);
+	dma_sync_sg_for_device(&hwdev->dev, sg, nelems, (enum dma_data_direction)direction);
 }
 
 static inline int
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 881006c7a5d7..e4a8e9765c22 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -48,17 +48,17 @@
  * In the interest of not exposing interfaces to user-space unnecessarily,
  * the following kernel-only defines are being added here.
  */
-#define PCI_DEVID(bus, devfn)  ((((u16)(bus)) << 8) | (devfn))
+#define PCI_DEVID(bus, devfn)	((((u16)(bus)) << 8) | (devfn))
 /* return bus from PCI devid = ((u16)bus_number) << 8) | devfn */
 #define PCI_BUS_NUM(x) (((x) >> 8) & 0xff)
 
 /* pci_slot represents a physical slot */
 struct pci_slot {
-	struct pci_bus *bus;		/* The bus this slot is on */
-	struct list_head list;		/* node in list of slots on this bus */
-	struct hotplug_slot *hotplug;	/* Hotplug info (migrate over time) */
-	unsigned char number;		/* PCI_SLOT(pci_dev->devfn) */
-	struct kobject kobj;
+	struct pci_bus		*bus;		/* Bus this slot is on */
+	struct list_head	list;		/* Node in list of slots */
+	struct hotplug_slot	*hotplug;	/* Hotplug info (move here) */
+	unsigned char		number;		/* PCI_SLOT(pci_dev->devfn) */
+	struct kobject		kobj;
 };
 
 static inline const char *pci_slot_name(const struct pci_slot *slot)
@@ -72,9 +72,7 @@ enum pci_mmap_state {
 	pci_mmap_mem
 };
 
-/*
- *  For PCI devices, the region numbers are assigned this way:
- */
+/* For PCI devices, the region numbers are assigned this way: */
 enum {
 	/* #0-5: standard PCI resources */
 	PCI_STD_RESOURCES,
@@ -83,23 +81,23 @@ enum {
 	/* #6: expansion ROM resource */
 	PCI_ROM_RESOURCE,
 
-	/* device specific resources */
+	/* Device-specific resources */
 #ifdef CONFIG_PCI_IOV
 	PCI_IOV_RESOURCES,
 	PCI_IOV_RESOURCE_END = PCI_IOV_RESOURCES + PCI_SRIOV_NUM_BARS - 1,
 #endif
 
-	/* resources assigned to buses behind the bridge */
+	/* Resources assigned to buses behind the bridge */
 #define PCI_BRIDGE_RESOURCE_NUM 4
 
 	PCI_BRIDGE_RESOURCES,
 	PCI_BRIDGE_RESOURCE_END = PCI_BRIDGE_RESOURCES +
 				  PCI_BRIDGE_RESOURCE_NUM - 1,
 
-	/* total resources associated with a PCI device */
+	/* Total resources associated with a PCI device */
 	PCI_NUM_RESOURCES,
 
-	/* preserve this for compatibility */
+	/* Preserve this for compatibility */
 	DEVICE_COUNT_RESOURCE = PCI_NUM_RESOURCES,
 };
 
@@ -152,9 +150,10 @@ static inline const char *pci_power_name(pci_power_t state)
 #define PCI_PM_D3COLD_WAIT	100
 #define PCI_PM_BUS_WAIT		50
 
-/** The pci_channel state describes connectivity between the CPU and
- *  the pci device.  If some PCI bus between here and the pci device
- *  has crashed or locked up, this info is reflected here.
+/**
+ * The pci_channel state describes connectivity between the CPU and
+ * the PCI device.  If some PCI bus between here and the PCI device
+ * has crashed or locked up, this info is reflected here.
  */
 typedef unsigned int __bitwise pci_channel_state_t;
 
@@ -184,9 +183,7 @@ enum pcie_reset_state {
 
 typedef unsigned short __bitwise pci_dev_flags_t;
 enum pci_dev_flags {
-	/* INTX_DISABLE in PCI_COMMAND register disables MSI
-	 * generation too.
-	 */
+	/* INTX_DISABLE in PCI_COMMAND register disables MSI too */
 	PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG = (__force pci_dev_flags_t) (1 << 0),
 	/* Device configuration is irrevocably lost if disabled into D3 */
 	PCI_DEV_FLAGS_NO_D3 = (__force pci_dev_flags_t) (1 << 1),
@@ -202,7 +199,7 @@ enum pci_dev_flags {
 	PCI_DEV_FLAGS_NO_PM_RESET = (__force pci_dev_flags_t) (1 << 7),
 	/* Get VPD from function 0 VPD */
 	PCI_DEV_FLAGS_VPD_REF_F0 = (__force pci_dev_flags_t) (1 << 8),
-	/* a non-root bridge where translation occurs, stop alias search here */
+	/* A non-root bridge where translation occurs, stop alias search here */
 	PCI_DEV_FLAGS_BRIDGE_XLATE_ROOT = (__force pci_dev_flags_t) (1 << 9),
 	/* Do not use FLR even if device advertises PCI_AF_CAP */
 	PCI_DEV_FLAGS_NO_FLR_RESET = (__force pci_dev_flags_t) (1 << 10),
@@ -222,17 +219,17 @@ enum pci_bus_flags {
 	PCI_BUS_FLAGS_NO_AERSID	= (__force pci_bus_flags_t) 4,
 };
 
-/* These values come from the PCI Express Spec */
+/* Values from Link Status register, PCIe r3.1, sec 7.8.8 */
 enum pcie_link_width {
 	PCIE_LNK_WIDTH_RESRV	= 0x00,
 	PCIE_LNK_X1		= 0x01,
 	PCIE_LNK_X2		= 0x02,
 	PCIE_LNK_X4		= 0x04,
 	PCIE_LNK_X8		= 0x08,
-	PCIE_LNK_X12		= 0x0C,
+	PCIE_LNK_X12		= 0x0c,
 	PCIE_LNK_X16		= 0x10,
 	PCIE_LNK_X32		= 0x20,
-	PCIE_LNK_WIDTH_UNKNOWN  = 0xFF,
+	PCIE_LNK_WIDTH_UNKNOWN	= 0xff,
 };
 
 /* Based on the PCI Hotplug Spec, but some values are made up by us */
@@ -263,15 +260,15 @@ enum pci_bus_speed {
 };
 
 struct pci_cap_saved_data {
-	u16 cap_nr;
-	bool cap_extended;
-	unsigned int size;
-	u32 data[0];
+	u16		cap_nr;
+	bool		cap_extended;
+	unsigned int	size;
+	u32		data[0];
 };
 
 struct pci_cap_saved_state {
-	struct hlist_node next;
-	struct pci_cap_saved_data cap;
+	struct hlist_node		next;
+	struct pci_cap_saved_data	cap;
 };
 
 struct irq_affinity;
@@ -280,19 +277,17 @@ struct pci_vpd;
 struct pci_sriov;
 struct pci_ats;
 
-/*
- * The pci_dev structure is used to describe PCI devices.
- */
+/* The pci_dev structure describes PCI devices */
 struct pci_dev {
-	struct list_head bus_list;	/* node in per-bus list */
-	struct pci_bus	*bus;		/* bus this device is on */
-	struct pci_bus	*subordinate;	/* bus this device bridges to */
+	struct list_head bus_list;	/* Node in per-bus list */
+	struct pci_bus	*bus;		/* Bus this device is on */
+	struct pci_bus	*subordinate;	/* Bus this device bridges to */
 
-	void		*sysdata;	/* hook for sys-specific extension */
-	struct proc_dir_entry *procent;	/* device entry in /proc/bus/pci */
+	void		*sysdata;	/* Hook for sys-specific extension */
+	struct proc_dir_entry *procent;	/* Device entry in /proc/bus/pci */
 	struct pci_slot	*slot;		/* Physical slot this device is in */
 
-	unsigned int	devfn;		/* encoded device & function index */
+	unsigned int	devfn;		/* Encoded device & function index */
 	unsigned short	vendor;
 	unsigned short	device;
 	unsigned short	subsystem_vendor;
@@ -307,12 +302,12 @@ struct pci_dev {
 	u8		msi_cap;	/* MSI capability offset */
 	u8		msix_cap;	/* MSI-X capability offset */
 	u8		pcie_mpss:3;	/* PCIe Max Payload Size Supported */
-	u8		rom_base_reg;	/* which config register controls the ROM */
-	u8		pin;		/* which interrupt pin this device uses */
-	u16		pcie_flags_reg;	/* cached PCIe Capabilities Register */
-	unsigned long	*dma_alias_mask;/* mask of enabled devfn aliases */
+	u8		rom_base_reg;	/* Config register controlling ROM */
+	u8		pin;		/* Interrupt pin this device uses */
+	u16		pcie_flags_reg;	/* Cached PCIe Capabilities Register */
+	unsigned long	*dma_alias_mask;/* Mask of enabled devfn aliases */
 
-	struct pci_driver *driver;	/* which driver has allocated this device */
+	struct pci_driver *driver;	/* Driver bound to this device */
 	u64		dma_mask;	/* Mask of the bits of bus address this
 					   device implements.  Normally this is
 					   0xffffffff.  You only need to change
@@ -321,9 +316,9 @@ struct pci_dev {
 
 	struct device_dma_parameters dma_parms;
 
-	pci_power_t     current_state;  /* Current operating state. In ACPI-speak,
-					   this is D0-D3, D0 being fully functional,
-					   and D3 being off. */
+	pci_power_t	current_state;	/* Current operating state. In ACPI,
+					   this is D0-D3, D0 being fully
+					   functional, and D3 being off. */
 	u8		pm_cap;		/* PM capability offset */
 	unsigned int	pme_support:5;	/* Bitmask of states from which PME#
 					   can be generated */
@@ -334,10 +329,10 @@ struct pci_dev {
 	unsigned int	no_d3cold:1;	/* D3cold is forbidden */
 	unsigned int	bridge_d3:1;	/* Allow D3 for bridge */
 	unsigned int	d3cold_allowed:1;	/* D3cold is allowed by user */
-	unsigned int	mmio_always_on:1;	/* disallow turning off io/mem
-						   decoding during bar sizing */
+	unsigned int	mmio_always_on:1;	/* Disallow turning off io/mem
+						   decoding during BAR sizing */
 	unsigned int	wakeup_prepared:1;
-	unsigned int	runtime_d3cold:1;	/* whether go through runtime
+	unsigned int	runtime_d3cold:1;	/* Whether go through runtime
 						   D3cold, not set for devices
 						   powered on/off by the
 						   corresponding bridge */
@@ -350,12 +345,14 @@ struct pci_dev {
 
 #ifdef CONFIG_PCIEASPM
 	struct pcie_link_state	*link_state;	/* ASPM link state */
+	unsigned int	ltr_path:1;	/* Latency Tolerance Reporting
+					   supported from root to here */
 #endif
 
-	pci_channel_state_t error_state;	/* current connectivity state */
-	struct	device	dev;		/* Generic device interface */
+	pci_channel_state_t error_state;	/* Current connectivity state */
+	struct device	dev;			/* Generic device interface */
 
-	int		cfg_size;	/* Size of configuration space */
+	int		cfg_size;		/* Size of config space */
 
 	/*
 	 * Instead of touching interrupt line and base address registers
@@ -364,47 +361,47 @@ struct pci_dev {
 	unsigned int	irq;
 	struct resource resource[DEVICE_COUNT_RESOURCE]; /* I/O and memory regions + expansion ROMs */
 
-	bool match_driver;		/* Skip attaching driver */
-	/* These fields are used by common fixups */
-	unsigned int	transparent:1;	/* Subtractive decode PCI bridge */
-	unsigned int	multifunction:1;/* Part of multi-function device */
-	/* keep track of device state */
+	bool		match_driver;		/* Skip attaching driver */
+
+	unsigned int	transparent:1;		/* Subtractive decode bridge */
+	unsigned int	multifunction:1;	/* Multi-function device */
+
 	unsigned int	is_added:1;
-	unsigned int	is_busmaster:1; /* device is busmaster */
-	unsigned int	no_msi:1;	/* device may not use msi */
-	unsigned int	no_64bit_msi:1; /* device may only use 32-bit MSIs */
-	unsigned int	block_cfg_access:1;	/* config space access is blocked */
-	unsigned int	broken_parity_status:1;	/* Device generates false positive parity */
-	unsigned int	irq_reroute_variant:2;	/* device needs IRQ rerouting variant */
+	unsigned int	is_busmaster:1;		/* Is busmaster */
+	unsigned int	no_msi:1;		/* May not use MSI */
+	unsigned int	no_64bit_msi:1; 	/* May only use 32-bit MSIs */
+	unsigned int	block_cfg_access:1;	/* Config space access blocked */
+	unsigned int	broken_parity_status:1;	/* Generates false positive parity */
+	unsigned int	irq_reroute_variant:2;	/* Needs IRQ rerouting variant */
 	unsigned int	msi_enabled:1;
 	unsigned int	msix_enabled:1;
-	unsigned int	ari_enabled:1;	/* ARI forwarding */
-	unsigned int	ats_enabled:1;	/* Address Translation Service */
+	unsigned int	ari_enabled:1;		/* ARI forwarding */
+	unsigned int	ats_enabled:1;		/* Address Translation Svc */
 	unsigned int	pasid_enabled:1;	/* Process Address Space ID */
 	unsigned int	pri_enabled:1;		/* Page Request Interface */
 	unsigned int	is_managed:1;
-	unsigned int    needs_freset:1; /* Dev requires fundamental reset */
+	unsigned int	needs_freset:1;		/* Requires fundamental reset */
 	unsigned int	state_saved:1;
 	unsigned int	is_physfn:1;
 	unsigned int	is_virtfn:1;
 	unsigned int	reset_fn:1;
-	unsigned int    is_hotplug_bridge:1;
-	unsigned int	is_thunderbolt:1; /* Thunderbolt controller */
-	unsigned int    __aer_firmware_first_valid:1;
+	unsigned int	is_hotplug_bridge:1;
+	unsigned int	is_thunderbolt:1;	/* Thunderbolt controller */
+	unsigned int	__aer_firmware_first_valid:1;
 	unsigned int	__aer_firmware_first:1;
-	unsigned int	broken_intx_masking:1; /* INTx masking can't be used */
-	unsigned int	io_window_1k:1;	/* Intel P2P bridge 1K I/O windows */
+	unsigned int	broken_intx_masking:1;	/* INTx masking can't be used */
+	unsigned int	io_window_1k:1;		/* Intel bridge 1K I/O windows */
 	unsigned int	irq_managed:1;
 	unsigned int	has_secondary_link:1;
-	unsigned int	non_compliant_bars:1;	/* broken BARs; ignore them */
-	unsigned int	is_probed:1;		/* device probing in progress */
+	unsigned int	non_compliant_bars:1;	/* Broken BARs; ignore them */
+	unsigned int	is_probed:1;		/* Device probing in progress */
 	pci_dev_flags_t dev_flags;
 	atomic_t	enable_cnt;	/* pci_enable_device has been called */
 
-	u32		saved_config_space[16]; /* config space saved at suspend time */
+	u32		saved_config_space[16]; /* Config space saved at suspend time */
 	struct hlist_head saved_cap_space;
-	struct bin_attribute *rom_attr; /* attribute descriptor for sysfs ROM entry */
-	int rom_attr_enabled;		/* has display of the rom attribute been enabled? */
+	struct bin_attribute *rom_attr;		/* Attribute descriptor for sysfs ROM entry */
+	int		rom_attr_enabled;	/* Display of ROM attribute enabled? */
 	struct bin_attribute *res_attr[DEVICE_COUNT_RESOURCE]; /* sysfs file for resources */
 	struct bin_attribute *res_attr_wc[DEVICE_COUNT_RESOURCE]; /* sysfs file for WC mapping of resources */
 
@@ -419,12 +416,12 @@ struct pci_dev {
 	struct pci_vpd *vpd;
 #ifdef CONFIG_PCI_ATS
 	union {
-		struct pci_sriov *sriov;	/* SR-IOV capability related */
-		struct pci_dev *physfn;	/* the PF this VF is associated with */
+		struct pci_sriov	*sriov;		/* PF: SR-IOV info */
+		struct pci_dev		*physfn;	/* VF: related PF */
 	};
 	u16		ats_cap;	/* ATS Capability offset */
 	u8		ats_stu;	/* ATS Smallest Translation Unit */
-	atomic_t	ats_ref_cnt;	/* number of VFs with ATS enabled */
+	atomic_t	ats_ref_cnt;	/* Number of VFs with ATS enabled */
 #endif
 #ifdef CONFIG_PCI_PRI
 	u32		pri_reqs_alloc; /* Number of PRI requests allocated */
@@ -432,11 +429,11 @@ struct pci_dev {
 #ifdef CONFIG_PCI_PASID
 	u16		pasid_features;
 #endif
-	phys_addr_t rom; /* Physical address of ROM if it's not from the BAR */
-	size_t romlen; /* Length of ROM if it's not from the BAR */
-	char *driver_override; /* Driver name to force a match */
+	phys_addr_t	rom;		/* Physical address if not from BAR */
+	size_t		romlen;		/* Length if not from BAR */
+	char		*driver_override; /* Driver name to force a match */
 
-	unsigned long priv_flags; /* Private flags for the pci driver */
+	unsigned long	priv_flags;	/* Private flags for the PCI driver */
 };
 
 static inline struct pci_dev *pci_physfn(struct pci_dev *dev)
@@ -459,26 +456,26 @@ static inline int pci_channel_offline(struct pci_dev *pdev)
 }
 
 struct pci_host_bridge {
-	struct device dev;
-	struct pci_bus *bus;		/* root bus */
-	struct pci_ops *ops;
-	void *sysdata;
-	int busnr;
+	struct device	dev;
+	struct pci_bus	*bus;		/* Root bus */
+	struct pci_ops	*ops;
+	void		*sysdata;
+	int		busnr;
 	struct list_head windows;	/* resource_entry */
-	u8 (*swizzle_irq)(struct pci_dev *, u8 *); /* platform IRQ swizzler */
+	u8 (*swizzle_irq)(struct pci_dev *, u8 *); /* Platform IRQ swizzler */
 	int (*map_irq)(const struct pci_dev *, u8, u8);
 	void (*release_fn)(struct pci_host_bridge *);
-	void *release_data;
+	void		*release_data;
 	struct msi_controller *msi;
-	unsigned int ignore_reset_delay:1;	/* for entire hierarchy */
-	unsigned int no_ext_tags:1;		/* no Extended Tags */
+	unsigned int	ignore_reset_delay:1;	/* For entire hierarchy */
+	unsigned int	no_ext_tags:1;		/* No Extended Tags */
 	/* Resource alignment requirements */
 	resource_size_t (*align_resource)(struct pci_dev *dev,
 			const struct resource *res,
 			resource_size_t start,
 			resource_size_t size,
 			resource_size_t align);
-	unsigned long private[0] ____cacheline_aligned;
+	unsigned long	private[0] ____cacheline_aligned;
 };
 
 #define	to_pci_host_bridge(n) container_of(n, struct pci_host_bridge, dev)
@@ -500,8 +497,8 @@ void pci_free_host_bridge(struct pci_host_bridge *bridge);
 struct pci_host_bridge *pci_find_host_bridge(struct pci_bus *bus);
 
 void pci_set_host_bridge_release(struct pci_host_bridge *bridge,
-		     void (*release_fn)(struct pci_host_bridge *),
-		     void *release_data);
+				 void (*release_fn)(struct pci_host_bridge *),
+				 void *release_data);
 
 int pcibios_root_bridge_prepare(struct pci_host_bridge *bridge);
 
@@ -521,32 +518,32 @@ int pcibios_root_bridge_prepare(struct pci_host_bridge *bridge);
 #define PCI_SUBTRACTIVE_DECODE	0x1
 
 struct pci_bus_resource {
-	struct list_head list;
-	struct resource *res;
-	unsigned int flags;
+	struct list_head	list;
+	struct resource		*res;
+	unsigned int		flags;
 };
 
 #define PCI_REGION_FLAG_MASK	0x0fU	/* These bits of resource flags tell us the PCI region flags */
 
 struct pci_bus {
-	struct list_head node;		/* node in list of buses */
-	struct pci_bus	*parent;	/* parent bus this bridge is on */
-	struct list_head children;	/* list of child buses */
-	struct list_head devices;	/* list of devices on this bus */
-	struct pci_dev	*self;		/* bridge device as seen by parent */
-	struct list_head slots;		/* list of slots on this bus;
+	struct list_head node;		/* Node in list of buses */
+	struct pci_bus	*parent;	/* Parent bus this bridge is on */
+	struct list_head children;	/* List of child buses */
+	struct list_head devices;	/* List of devices on this bus */
+	struct pci_dev	*self;		/* Bridge device as seen by parent */
+	struct list_head slots;		/* List of slots on this bus;
 					   protected by pci_slot_mutex */
 	struct resource *resource[PCI_BRIDGE_RESOURCE_NUM];
-	struct list_head resources;	/* address space routed to this bus */
-	struct resource busn_res;	/* bus numbers routed to this bus */
+	struct list_head resources;	/* Address space routed to this bus */
+	struct resource busn_res;	/* Bus numbers routed to this bus */
 
-	struct pci_ops	*ops;		/* configuration access functions */
+	struct pci_ops	*ops;		/* Configuration access functions */
 	struct msi_controller *msi;	/* MSI controller */
-	void		*sysdata;	/* hook for sys-specific extension */
-	struct proc_dir_entry *procdir;	/* directory entry in /proc/bus/pci */
+	void		*sysdata;	/* Hook for sys-specific extension */
+	struct proc_dir_entry *procdir;	/* Directory entry in /proc/bus/pci */
 
-	unsigned char	number;		/* bus number */
-	unsigned char	primary;	/* number of primary bridge */
+	unsigned char	number;		/* Bus number */
+	unsigned char	primary;	/* Number of primary bridge */
 	unsigned char	max_bus_speed;	/* enum pci_bus_speed */
 	unsigned char	cur_bus_speed;	/* enum pci_bus_speed */
 #ifdef CONFIG_PCI_DOMAINS_GENERIC
@@ -555,12 +552,12 @@ struct pci_bus {
 
 	char		name[48];
 
-	unsigned short  bridge_ctl;	/* manage NO_ISA/FBB/et al behaviors */
-	pci_bus_flags_t bus_flags;	/* inherited by child buses */
+	unsigned short	bridge_ctl;	/* Manage NO_ISA/FBB/et al behaviors */
+	pci_bus_flags_t bus_flags;	/* Inherited by child buses */
 	struct device		*bridge;
 	struct device		dev;
-	struct bin_attribute	*legacy_io; /* legacy I/O for this bus */
-	struct bin_attribute	*legacy_mem; /* legacy mem */
+	struct bin_attribute	*legacy_io;	/* Legacy I/O for this bus */
+	struct bin_attribute	*legacy_mem;	/* Legacy mem */
 	unsigned int		is_added:1;
 };
 
@@ -617,9 +614,7 @@ static inline bool pci_dev_msi_enabled(struct pci_dev *pci_dev)
 static inline bool pci_dev_msi_enabled(struct pci_dev *pci_dev) { return false; }
 #endif
 
-/*
- * Error values that may be returned by PCI functions.
- */
+/* Error values that may be returned by PCI functions */
 #define PCIBIOS_SUCCESSFUL		0x00
 #define PCIBIOS_FUNC_NOT_SUPPORTED	0x81
 #define PCIBIOS_BAD_VENDOR_ID		0x83
@@ -628,9 +623,7 @@ static inline bool pci_dev_msi_enabled(struct pci_dev *pci_dev) { return false;
 #define PCIBIOS_SET_FAILED		0x88
 #define PCIBIOS_BUFFER_TOO_SMALL	0x89
 
-/*
- * Translate above to generic errno for passing back through non-PCI code.
- */
+/* Translate above to generic errno for passing back through non-PCI code */
 static inline int pcibios_err_to_errno(int err)
 {
 	if (err <= PCIBIOS_SUCCESSFUL)
@@ -680,13 +673,13 @@ typedef u32 pci_bus_addr_t;
 #endif
 
 struct pci_bus_region {
-	pci_bus_addr_t start;
-	pci_bus_addr_t end;
+	pci_bus_addr_t	start;
+	pci_bus_addr_t	end;
 };
 
 struct pci_dynids {
-	spinlock_t lock;            /* protects list, index */
-	struct list_head list;      /* for IDs added at runtime */
+	spinlock_t		lock;	/* Protects list, index */
+	struct list_head	list;	/* For IDs added at runtime */
 };
 
 
@@ -700,13 +693,13 @@ struct pci_dynids {
 typedef unsigned int __bitwise pci_ers_result_t;
 
 enum pci_ers_result {
-	/* no result/none/not supported in device driver */
+	/* No result/none/not supported in device driver */
 	PCI_ERS_RESULT_NONE = (__force pci_ers_result_t) 1,
 
 	/* Device driver can recover without slot reset */
 	PCI_ERS_RESULT_CAN_RECOVER = (__force pci_ers_result_t) 2,
 
-	/* Device driver wants slot to be reset. */
+	/* Device driver wants slot to be reset */
 	PCI_ERS_RESULT_NEED_RESET = (__force pci_ers_result_t) 3,
 
 	/* Device has completely failed, is unrecoverable */
@@ -742,27 +735,27 @@ struct pci_error_handlers {
 
 struct module;
 struct pci_driver {
-	struct list_head node;
-	const char *name;
-	const struct pci_device_id *id_table;	/* must be non-NULL for probe to be called */
-	int  (*probe)  (struct pci_dev *dev, const struct pci_device_id *id);	/* New device inserted */
-	void (*remove) (struct pci_dev *dev);	/* Device removed (NULL if not a hot-plug capable driver) */
-	int  (*suspend) (struct pci_dev *dev, pm_message_t state);	/* Device suspended */
-	int  (*suspend_late) (struct pci_dev *dev, pm_message_t state);
-	int  (*resume_early) (struct pci_dev *dev);
-	int  (*resume) (struct pci_dev *dev);	                /* Device woken up */
+	struct list_head	node;
+	const char		*name;
+	const struct pci_device_id *id_table;	/* Must be non-NULL for probe to be called */
+	int  (*probe)(struct pci_dev *dev, const struct pci_device_id *id);	/* New device inserted */
+	void (*remove)(struct pci_dev *dev);	/* Device removed (NULL if not a hot-plug capable driver) */
+	int  (*suspend)(struct pci_dev *dev, pm_message_t state);	/* Device suspended */
+	int  (*suspend_late)(struct pci_dev *dev, pm_message_t state);
+	int  (*resume_early)(struct pci_dev *dev);
+	int  (*resume) (struct pci_dev *dev);	/* Device woken up */
 	void (*shutdown) (struct pci_dev *dev);
-	int (*sriov_configure) (struct pci_dev *dev, int num_vfs); /* PF pdev */
+	int  (*sriov_configure) (struct pci_dev *dev, int num_vfs); /* On PF */
 	const struct pci_error_handlers *err_handler;
 	const struct attribute_group **groups;
 	struct device_driver	driver;
-	struct pci_dynids dynids;
+	struct pci_dynids	dynids;
 };
 
 #define	to_pci_driver(drv) container_of(drv, struct pci_driver, driver)
 
 /**
- * PCI_DEVICE - macro used to describe a specific pci device
+ * PCI_DEVICE - macro used to describe a specific PCI device
  * @vend: the 16 bit PCI Vendor ID
  * @dev: the 16 bit PCI Device ID
  *
@@ -775,7 +768,7 @@ struct pci_driver {
 	.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID
 
 /**
- * PCI_DEVICE_SUB - macro used to describe a specific pci device with subsystem
+ * PCI_DEVICE_SUB - macro used to describe a specific PCI device with subsystem
  * @vend: the 16 bit PCI Vendor ID
  * @dev: the 16 bit PCI Device ID
  * @subvend: the 16 bit PCI Subvendor ID
@@ -789,7 +782,7 @@ struct pci_driver {
 	.subvendor = (subvend), .subdevice = (subdev)
 
 /**
- * PCI_DEVICE_CLASS - macro used to describe a specific pci device class
+ * PCI_DEVICE_CLASS - macro used to describe a specific PCI device class
  * @dev_class: the class, subclass, prog-if triple for this device
  * @dev_class_mask: the class mask for this device
  *
@@ -803,7 +796,7 @@ struct pci_driver {
 	.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID
 
 /**
- * PCI_VDEVICE - macro used to describe a specific pci device in short form
+ * PCI_VDEVICE - macro used to describe a specific PCI device in short form
  * @vend: the vendor name
  * @dev: the 16 bit PCI Device ID
  *
@@ -812,22 +805,21 @@ struct pci_driver {
  * to PCI_ANY_ID. The macro allows the next field to follow as the device
  * private data.
  */
-
 #define PCI_VDEVICE(vend, dev) \
 	.vendor = PCI_VENDOR_ID_##vend, .device = (dev), \
 	.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, 0, 0
 
 enum {
-	PCI_REASSIGN_ALL_RSRC	= 0x00000001,	/* ignore firmware setup */
-	PCI_REASSIGN_ALL_BUS	= 0x00000002,	/* reassign all bus numbers */
-	PCI_PROBE_ONLY		= 0x00000004,	/* use existing setup */
-	PCI_CAN_SKIP_ISA_ALIGN	= 0x00000008,	/* don't do ISA alignment */
-	PCI_ENABLE_PROC_DOMAINS	= 0x00000010,	/* enable domains in /proc */
+	PCI_REASSIGN_ALL_RSRC	= 0x00000001,	/* Ignore firmware setup */
+	PCI_REASSIGN_ALL_BUS	= 0x00000002,	/* Reassign all bus numbers */
+	PCI_PROBE_ONLY		= 0x00000004,	/* Use existing setup */
+	PCI_CAN_SKIP_ISA_ALIGN	= 0x00000008,	/* Don't do ISA alignment */
+	PCI_ENABLE_PROC_DOMAINS	= 0x00000010,	/* Enable domains in /proc */
 	PCI_COMPAT_DOMAIN_0	= 0x00000020,	/* ... except domain 0 */
-	PCI_SCAN_ALL_PCIE_DEVS	= 0x00000040,	/* scan all, not just dev 0 */
+	PCI_SCAN_ALL_PCIE_DEVS	= 0x00000040,	/* Scan all, not just dev 0 */
 };
 
-/* these external functions are only available when PCI support is enabled */
+/* These external functions are only available when PCI support is enabled */
 #ifdef CONFIG_PCI
 
 extern unsigned int pci_flags;
@@ -840,11 +832,11 @@ static inline int pci_has_flag(int flag) { return pci_flags & flag; }
 void pcie_bus_configure_settings(struct pci_bus *bus);
 
 enum pcie_bus_config_types {
-	PCIE_BUS_TUNE_OFF,	/* don't touch MPS at all */
-	PCIE_BUS_DEFAULT,	/* ensure MPS matches upstream bridge */
-	PCIE_BUS_SAFE,		/* use largest MPS boot-time devices support */
-	PCIE_BUS_PERFORMANCE,	/* use MPS and MRRS for best performance */
-	PCIE_BUS_PEER2PEER,	/* set MPS = 128 for all devices */
+	PCIE_BUS_TUNE_OFF,	/* Don't touch MPS at all */
+	PCIE_BUS_DEFAULT,	/* Ensure MPS matches upstream bridge */
+	PCIE_BUS_SAFE,		/* Use largest MPS boot-time devices support */
+	PCIE_BUS_PERFORMANCE,	/* Use MPS and MRRS for best performance */
+	PCIE_BUS_PEER2PEER,	/* Set MPS = 128 for all devices */
 };
 
 extern enum pcie_bus_config_types pcie_bus_config;
@@ -853,7 +845,7 @@ extern struct bus_type pci_bus_type;
 
 /* Do NOT directly access these two variables, unless you are arch-specific PCI
  * code, or PCI core code. */
-extern struct list_head pci_root_buses;	/* list of all known PCI buses */
+extern struct list_head pci_root_buses;	/* List of all known PCI buses */
 /* Some device drivers need know if PCI is initiated */
 int no_pci_devices(void);
 
@@ -891,8 +883,8 @@ int pci_bus_insert_busn_res(struct pci_bus *b, int bus, int busmax);
 int pci_bus_update_busn_res_end(struct pci_bus *b, int busmax);
 void pci_bus_release_busn_res(struct pci_bus *b);
 struct pci_bus *pci_scan_root_bus(struct device *parent, int bus,
-					     struct pci_ops *ops, void *sysdata,
-					     struct list_head *resources);
+				  struct pci_ops *ops, void *sysdata,
+				  struct list_head *resources);
 int pci_scan_root_bus_bridge(struct pci_host_bridge *bridge);
 struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev,
 				int busnr);
@@ -949,10 +941,10 @@ int pci_find_next_ht_capability(struct pci_dev *dev, int pos, int ht_cap);
 struct pci_bus *pci_find_next_bus(const struct pci_bus *from);
 
 struct pci_dev *pci_get_device(unsigned int vendor, unsigned int device,
-				struct pci_dev *from);
+			       struct pci_dev *from);
 struct pci_dev *pci_get_subsys(unsigned int vendor, unsigned int device,
-				unsigned int ss_vendor, unsigned int ss_device,
-				struct pci_dev *from);
+			       unsigned int ss_vendor, unsigned int ss_device,
+			       struct pci_dev *from);
 struct pci_dev *pci_get_slot(struct pci_bus *bus, unsigned int devfn);
 struct pci_dev *pci_get_domain_bus_and_slot(int domain, unsigned int bus,
 					    unsigned int devfn);
@@ -1028,7 +1020,7 @@ static inline int pcie_capability_clear_dword(struct pci_dev *dev, int pos,
 	return pcie_capability_clear_and_set_dword(dev, pos, clear, 0);
 }
 
-/* user-space driven config access */
+/* User-space driven config access */
 int pci_user_read_config_byte(struct pci_dev *dev, int where, u8 *val);
 int pci_user_read_config_word(struct pci_dev *dev, int where, u16 *val);
 int pci_user_read_config_dword(struct pci_dev *dev, int where, u32 *val);
@@ -1170,7 +1162,7 @@ unsigned int pci_rescan_bus(struct pci_bus *bus);
 void pci_lock_rescan_remove(void);
 void pci_unlock_rescan_remove(void);
 
-/* Vital product data routines */
+/* Vital Product Data routines */
 ssize_t pci_read_vpd(struct pci_dev *dev, loff_t pos, size_t count, void *buf);
 ssize_t pci_write_vpd(struct pci_dev *dev, loff_t pos, size_t count, const void *buf);
 int pci_set_vpd_size(struct pci_dev *dev, size_t len);
@@ -1255,9 +1247,7 @@ static inline pci_bus_addr_t pci_bus_address(struct pci_dev *pdev, int bar)
 int __must_check __pci_register_driver(struct pci_driver *, struct module *,
 				       const char *mod_name);
 
-/*
- * pci_register_driver must be a macro so that KBUILD_MODNAME can be expanded
- */
+/* pci_register_driver() must be a macro so KBUILD_MODNAME can be expanded */
 #define pci_register_driver(driver)		\
 	__pci_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
 
@@ -1272,8 +1262,7 @@ void pci_unregister_driver(struct pci_driver *dev);
  * use this macro once, and calling it replaces module_init() and module_exit()
  */
 #define module_pci_driver(__pci_driver) \
-	module_driver(__pci_driver, pci_register_driver, \
-		       pci_unregister_driver)
+	module_driver(__pci_driver, pci_register_driver, pci_unregister_driver)
 
 /**
  * builtin_pci_driver() - Helper macro for registering a PCI driver
@@ -1312,10 +1301,10 @@ resource_size_t pcibios_iov_resource_alignment(struct pci_dev *dev, int resno);
 int pci_set_vga_state(struct pci_dev *pdev, bool decode,
 		      unsigned int command_bits, u32 flags);
 
-#define PCI_IRQ_LEGACY		(1 << 0) /* allow legacy interrupts */
-#define PCI_IRQ_MSI		(1 << 1) /* allow MSI interrupts */
-#define PCI_IRQ_MSIX		(1 << 2) /* allow MSI-X interrupts */
-#define PCI_IRQ_AFFINITY	(1 << 3) /* auto-assign affinity */
+#define PCI_IRQ_LEGACY		(1 << 0) /* Allow legacy interrupts */
+#define PCI_IRQ_MSI		(1 << 1) /* Allow MSI interrupts */
+#define PCI_IRQ_MSIX		(1 << 2) /* Allow MSI-X interrupts */
+#define PCI_IRQ_AFFINITY	(1 << 3) /* Auto-assign affinity */
 #define PCI_IRQ_ALL_TYPES \
 	(PCI_IRQ_LEGACY | PCI_IRQ_MSI | PCI_IRQ_MSIX)
 
@@ -1334,8 +1323,8 @@ int pci_set_vga_state(struct pci_dev *pdev, bool decode,
 #define	pci_pool_free(pool, vaddr, addr) dma_pool_free(pool, vaddr, addr)
 
 struct msix_entry {
-	u32	vector;	/* kernel uses to write allocated vector */
-	u16	entry;	/* driver uses to specify entry, OS writes */
+	u32	vector;	/* Kernel uses to write allocated vector */
+	u16	entry;	/* Driver uses to specify entry, OS writes */
 };
 
 #ifdef CONFIG_PCI_MSI
@@ -1375,10 +1364,10 @@ static inline int pci_msi_enabled(void) { return 0; }
 static inline int pci_enable_msi(struct pci_dev *dev)
 { return -ENOSYS; }
 static inline int pci_enable_msix_range(struct pci_dev *dev,
-		      struct msix_entry *entries, int minvec, int maxvec)
+			struct msix_entry *entries, int minvec, int maxvec)
 { return -ENOSYS; }
 static inline int pci_enable_msix_exact(struct pci_dev *dev,
-		      struct msix_entry *entries, int nvec)
+			struct msix_entry *entries, int nvec)
 { return -ENOSYS; }
 
 static inline int
@@ -1543,9 +1532,9 @@ static inline int acpi_pci_bus_find_domain_nr(struct pci_bus *bus)
 int pci_bus_find_domain_nr(struct pci_bus *bus, struct device *parent);
 #endif
 
-/* some architectures require additional setup to direct VGA traffic */
+/* Some architectures require additional setup to direct VGA traffic */
 typedef int (*arch_set_vga_state_t)(struct pci_dev *pdev, bool decode,
-		      unsigned int command_bits, u32 flags);
+				    unsigned int command_bits, u32 flags);
 void pci_register_set_vga_state(arch_set_vga_state_t func);
 
 static inline int
@@ -1584,10 +1573,9 @@ static inline void pci_clear_flags(int flags) { }
 static inline int pci_has_flag(int flag) { return 0; }
 
 /*
- *  If the system does not have PCI, clearly these return errors.  Define
- *  these as simple inline functions to avoid hair in drivers.
+ * If the system does not have PCI, clearly these return errors.  Define
+ * these as simple inline functions to avoid hair in drivers.
  */
-
 #define _PCI_NOP(o, s, t) \
 	static inline int pci_##o##_config_##s(struct pci_dev *dev, \
 						int where, t val) \
@@ -1686,6 +1674,13 @@ static inline int pci_get_new_domain_nr(void) { return -ENOSYS; }
 #define dev_is_pf(d) (false)
 static inline bool pci_acs_enabled(struct pci_dev *pdev, u16 acs_flags)
 { return false; }
+static inline int pci_irqd_intx_xlate(struct irq_domain *d,
+				      struct device_node *node,
+				      const u32 *intspec,
+				      unsigned int intsize,
+				      unsigned long *out_hwirq,
+				      unsigned int *out_type)
+{ return -EINVAL; }
 #endif /* CONFIG_PCI */
 
 /* Include architecture-dependent settings and functions */
@@ -1726,8 +1721,10 @@ int pci_iobar_pfn(struct pci_dev *pdev, int bar, struct vm_area_struct *vma);
 #define pci_root_bus_fwnode(bus)	NULL
 #endif
 
-/* these helpers provide future and backwards compatibility
- * for accessing popular PCI BAR info */
+/*
+ * These helpers provide future and backwards compatibility
+ * for accessing popular PCI BAR info
+ */
 #define pci_resource_start(dev, bar)	((dev)->resource[(bar)].start)
 #define pci_resource_end(dev, bar)	((dev)->resource[(bar)].end)
 #define pci_resource_flags(dev, bar)	((dev)->resource[(bar)].flags)
@@ -1739,7 +1736,8 @@ int pci_iobar_pfn(struct pci_dev *pdev, int bar, struct vm_area_struct *vma);
 	 (pci_resource_end((dev), (bar)) -		\
 	  pci_resource_start((dev), (bar)) + 1))
 
-/* Similar to the helpers above, these manipulate per-pci_dev
+/*
+ * Similar to the helpers above, these manipulate per-pci_dev
  * driver-specific data.  They are really just a wrapper around
  * the generic device structure functions of these calls.
  */
@@ -1753,16 +1751,14 @@ static inline void pci_set_drvdata(struct pci_dev *pdev, void *data)
 	dev_set_drvdata(&pdev->dev, data);
 }
 
-/* If you want to know what to call your pci_dev, ask this function.
- * Again, it's a wrapper around the generic device.
- */
 static inline const char *pci_name(const struct pci_dev *pdev)
 {
 	return dev_name(&pdev->dev);
 }
 
 
-/* Some archs don't want to expose struct resource to userland as-is
+/*
+ * Some archs don't want to expose struct resource to userland as-is
  * in sysfs and /proc
  */
 #ifdef HAVE_ARCH_PCI_RESOURCE_TO_USER
@@ -1781,16 +1777,16 @@ static inline void pci_resource_to_user(const struct pci_dev *dev, int bar,
 
 
 /*
- *  The world is not perfect and supplies us with broken PCI devices.
- *  For at least a part of these bugs we need a work-around, so both
- *  generic (drivers/pci/quirks.c) and per-architecture code can define
- *  fixup hooks to be called for particular buggy devices.
+ * The world is not perfect and supplies us with broken PCI devices.
+ * For at least a part of these bugs we need a work-around, so both
+ * generic (drivers/pci/quirks.c) and per-architecture code can define
+ * fixup hooks to be called for particular buggy devices.
  */
 
 struct pci_fixup {
-	u16 vendor;		/* You can use PCI_ANY_ID here of course */
-	u16 device;		/* You can use PCI_ANY_ID here of course */
-	u32 class;		/* You can use PCI_ANY_ID here too */
+	u16 vendor;			/* Or PCI_ANY_ID */
+	u16 device;			/* Or PCI_ANY_ID */
+	u32 class;			/* Or PCI_ANY_ID */
 	unsigned int class_shift;	/* should be 0, 8, 16 */
 	void (*hook)(struct pci_dev *dev);
 };
@@ -1832,23 +1828,19 @@ enum pci_fixup_pass {
 #define DECLARE_PCI_FIXUP_CLASS_RESUME(vendor, device, class,		\
 					 class_shift, hook)		\
 	DECLARE_PCI_FIXUP_SECTION(.pci_fixup_resume,			\
-		resume##hook, vendor, device, class,	\
-		class_shift, hook)
+		resume##hook, vendor, device, class, class_shift, hook)
 #define DECLARE_PCI_FIXUP_CLASS_RESUME_EARLY(vendor, device, class,	\
 					 class_shift, hook)		\
 	DECLARE_PCI_FIXUP_SECTION(.pci_fixup_resume_early,		\
-		resume_early##hook, vendor, device,	\
-		class, class_shift, hook)
+		resume_early##hook, vendor, device, class, class_shift, hook)
 #define DECLARE_PCI_FIXUP_CLASS_SUSPEND(vendor, device, class,		\
 					 class_shift, hook)		\
 	DECLARE_PCI_FIXUP_SECTION(.pci_fixup_suspend,			\
-		suspend##hook, vendor, device, class,	\
-		class_shift, hook)
+		suspend##hook, vendor, device, class, class_shift, hook)
 #define DECLARE_PCI_FIXUP_CLASS_SUSPEND_LATE(vendor, device, class,	\
 					 class_shift, hook)		\
 	DECLARE_PCI_FIXUP_SECTION(.pci_fixup_suspend_late,		\
-		suspend_late##hook, vendor, device,	\
-		class, class_shift, hook)
+		suspend_late##hook, vendor, device, class, class_shift, hook)
 
 #define DECLARE_PCI_FIXUP_EARLY(vendor, device, hook)			\
 	DECLARE_PCI_FIXUP_SECTION(.pci_fixup_early,			\
@@ -1864,20 +1856,16 @@ enum pci_fixup_pass {
 		hook, vendor, device, PCI_ANY_ID, 0, hook)
 #define DECLARE_PCI_FIXUP_RESUME(vendor, device, hook)			\
 	DECLARE_PCI_FIXUP_SECTION(.pci_fixup_resume,			\
-		resume##hook, vendor, device,		\
-		PCI_ANY_ID, 0, hook)
+		resume##hook, vendor, device, PCI_ANY_ID, 0, hook)
 #define DECLARE_PCI_FIXUP_RESUME_EARLY(vendor, device, hook)		\
 	DECLARE_PCI_FIXUP_SECTION(.pci_fixup_resume_early,		\
-		resume_early##hook, vendor, device,	\
-		PCI_ANY_ID, 0, hook)
+		resume_early##hook, vendor, device, PCI_ANY_ID, 0, hook)
 #define DECLARE_PCI_FIXUP_SUSPEND(vendor, device, hook)			\
 	DECLARE_PCI_FIXUP_SECTION(.pci_fixup_suspend,			\
-		suspend##hook, vendor, device,		\
-		PCI_ANY_ID, 0, hook)
+		suspend##hook, vendor, device, PCI_ANY_ID, 0, hook)
 #define DECLARE_PCI_FIXUP_SUSPEND_LATE(vendor, device, hook)		\
 	DECLARE_PCI_FIXUP_SECTION(.pci_fixup_suspend_late,		\
-		suspend_late##hook, vendor, device,	\
-		PCI_ANY_ID, 0, hook)
+		suspend_late##hook, vendor, device, PCI_ANY_ID, 0, hook)
 
 #ifdef CONFIG_PCI_QUIRKS
 void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev);
@@ -2063,6 +2051,7 @@ void pci_request_acs(void);
 bool pci_acs_enabled(struct pci_dev *pdev, u16 acs_flags);
 bool pci_acs_path_enabled(struct pci_dev *start,
 			  struct pci_dev *end, u16 acs_flags);
+int pci_enable_atomic_ops_to_root(struct pci_dev *dev, u32 cap_mask);
 
 #define PCI_VPD_LRDT			0x80	/* Large Resource Data Type */
 #define PCI_VPD_LRDT_ID(x)		((x) | PCI_VPD_LRDT)
@@ -2114,7 +2103,7 @@ static inline u16 pci_vpd_lrdt_size(const u8 *lrdt)
  */
 static inline u16 pci_vpd_lrdt_tag(const u8 *lrdt)
 {
-    return (u16)(lrdt[0] & PCI_VPD_LRDT_TIN_MASK);
+	return (u16)(lrdt[0] & PCI_VPD_LRDT_TIN_MASK);
 }
 
 /**
@@ -2199,7 +2188,7 @@ static inline struct device_node *pci_bus_to_OF_node(struct pci_bus *bus)
 	return bus ? bus->dev.of_node : NULL;
 }
 
-#else /* CONFIG_OF */
+#else	/* CONFIG_OF */
 static inline void pci_set_of_node(struct pci_dev *dev) { }
 static inline void pci_release_of_node(struct pci_dev *dev) { }
 static inline void pci_set_bus_of_node(struct pci_bus *bus) { }
@@ -2208,7 +2197,7 @@ static inline struct device_node *
 pci_device_to_OF_node(const struct pci_dev *pdev) { return NULL; }
 static inline struct irq_domain *
 pci_host_bridge_of_msi_domain(struct pci_bus *bus) { return NULL; }
-#endif  /* CONFIG_OF */
+#endif	/* CONFIG_OF */
 
 #ifdef CONFIG_ACPI
 struct irq_domain *pci_host_bridge_acpi_msi_domain(struct pci_bus *bus);
@@ -2233,7 +2222,7 @@ int pci_for_each_dma_alias(struct pci_dev *pdev,
 			   int (*fn)(struct pci_dev *pdev,
 				     u16 alias, void *data), void *data);
 
-/* helper functions for operation of device flag */
+/* Helper functions for operation of device flag */
 static inline void pci_set_dev_assigned(struct pci_dev *pdev)
 {
 	pdev->dev_flags |= PCI_DEV_FLAGS_ASSIGNED;
@@ -2316,7 +2305,19 @@ static inline void pci_uevent_ers(struct pci_dev *pdev,
 	}
 }
 
-/* provide the legacy pci_dma_* API */
+/* Provide the legacy pci_dma_* API */
 #include <linux/pci-dma-compat.h>
 
+#define pci_printk(level, pdev, fmt, arg...) \
+	dev_printk(level, &(pdev)->dev, fmt, ##arg)
+
+#define pci_emerg(pdev, fmt, arg...)	dev_emerg(&(pdev)->dev, fmt, ##arg)
+#define pci_alert(pdev, fmt, arg...)	dev_alert(&(pdev)->dev, fmt, ##arg)
+#define pci_crit(pdev, fmt, arg...)	dev_crit(&(pdev)->dev, fmt, ##arg)
+#define pci_err(pdev, fmt, arg...)	dev_err(&(pdev)->dev, fmt, ##arg)
+#define pci_warn(pdev, fmt, arg...)	dev_warn(&(pdev)->dev, fmt, ##arg)
+#define pci_notice(pdev, fmt, arg...)	dev_notice(&(pdev)->dev, fmt, ##arg)
+#define pci_info(pdev, fmt, arg...)	dev_info(&(pdev)->dev, fmt, ##arg)
+#define pci_dbg(pdev, fmt, arg...)	dev_dbg(&(pdev)->dev, fmt, ##arg)
+
 #endif /* LINUX_PCI_H */
diff --git a/include/linux/switchtec.h b/include/linux/switchtec.h
index 09d73d0d1aa8..42d121174fe2 100644
--- a/include/linux/switchtec.h
+++ b/include/linux/switchtec.h
@@ -100,6 +100,9 @@ struct sw_event_regs {
 	u32 gpio_interrupt_hdr;
 	u32 gpio_interrupt_data;
 	u32 reserved16[4];
+	u32 gfms_event_hdr;
+	u32 gfms_event_data;
+	u32 reserved17[4];
 } __packed;
 
 enum {
diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
index 70c2b2ade048..fc3ac1d986f0 100644
--- a/include/uapi/linux/pci_regs.h
+++ b/include/uapi/linux/pci_regs.h
@@ -622,15 +622,19 @@
  * safely.
  */
 #define PCI_EXP_DEVCAP2		36	/* Device Capabilities 2 */
+#define  PCI_EXP_DEVCAP2_COMP_TMOUT_DIS	0x00000010 /* Completion Timeout Disable supported */
 #define  PCI_EXP_DEVCAP2_ARI		0x00000020 /* Alternative Routing-ID */
 #define  PCI_EXP_DEVCAP2_ATOMIC_ROUTE	0x00000040 /* Atomic Op routing */
-#define PCI_EXP_DEVCAP2_ATOMIC_COMP64	0x00000100 /* Atomic 64-bit compare */
+#define  PCI_EXP_DEVCAP2_ATOMIC_COMP32	0x00000080 /* 32b AtomicOp completion */
+#define  PCI_EXP_DEVCAP2_ATOMIC_COMP64	0x00000100 /* 64b AtomicOp completion */
+#define  PCI_EXP_DEVCAP2_ATOMIC_COMP128	0x00000200 /* 128b AtomicOp completion */
 #define  PCI_EXP_DEVCAP2_LTR		0x00000800 /* Latency tolerance reporting */
 #define  PCI_EXP_DEVCAP2_OBFF_MASK	0x000c0000 /* OBFF support mechanism */
 #define  PCI_EXP_DEVCAP2_OBFF_MSG	0x00040000 /* New message signaling */
 #define  PCI_EXP_DEVCAP2_OBFF_WAKE	0x00080000 /* Re-use WAKE# for OBFF */
 #define PCI_EXP_DEVCTL2		40	/* Device Control 2 */
 #define  PCI_EXP_DEVCTL2_COMP_TIMEOUT	0x000f	/* Completion Timeout Value */
+#define  PCI_EXP_DEVCTL2_COMP_TMOUT_DIS	0x0010	/* Completion Timeout Disable */
 #define  PCI_EXP_DEVCTL2_ARI		0x0020	/* Alternative Routing-ID */
 #define PCI_EXP_DEVCTL2_ATOMIC_REQ	0x0040	/* Set Atomic requests */
 #define PCI_EXP_DEVCTL2_ATOMIC_EGRESS_BLOCK 0x0080 /* Block atomic egress */
diff --git a/include/uapi/linux/switchtec_ioctl.h b/include/uapi/linux/switchtec_ioctl.h
index 75df44373034..4f4daf8db954 100644
--- a/include/uapi/linux/switchtec_ioctl.h
+++ b/include/uapi/linux/switchtec_ioctl.h
@@ -88,7 +88,8 @@ struct switchtec_ioctl_event_summary {
 #define SWITCHTEC_IOCTL_EVENT_FORCE_SPEED		26
 #define SWITCHTEC_IOCTL_EVENT_CREDIT_TIMEOUT		27
 #define SWITCHTEC_IOCTL_EVENT_LINK_STATE		28
-#define SWITCHTEC_IOCTL_MAX_EVENTS			29
+#define SWITCHTEC_IOCTL_EVENT_GFMS			29
+#define SWITCHTEC_IOCTL_MAX_EVENTS			30
 
 #define SWITCHTEC_IOCTL_EVENT_LOCAL_PART_IDX -1
 #define SWITCHTEC_IOCTL_EVENT_IDX_ALL -2
diff --git a/kernel/resource.c b/kernel/resource.c
index 54ba6de3757c..8c527d83ca76 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -1022,6 +1022,7 @@ static void __init __reserve_region_with_split(struct resource *root,
 	struct resource *conflict;
 	struct resource *res = alloc_resource(GFP_ATOMIC);
 	struct resource *next_res = NULL;
+	int type = resource_type(root);
 
 	if (!res)
 		return;
@@ -1029,7 +1030,7 @@ static void __init __reserve_region_with_split(struct resource *root,
 	res->name = name;
 	res->start = start;
 	res->end = end;
-	res->flags = IORESOURCE_BUSY;
+	res->flags = type | IORESOURCE_BUSY;
 	res->desc = IORES_DESC_NONE;
 
 	while (1) {
@@ -1064,7 +1065,7 @@ static void __init __reserve_region_with_split(struct resource *root,
 				next_res->name = name;
 				next_res->start = conflict->end + 1;
 				next_res->end = end;
-				next_res->flags = IORESOURCE_BUSY;
+				next_res->flags = type | IORESOURCE_BUSY;
 				next_res->desc = IORES_DESC_NONE;
 			}
 		} else {
@@ -1478,7 +1479,7 @@ void __devm_release_region(struct device *dev, struct resource *parent,
 EXPORT_SYMBOL(__devm_release_region);
 
 /*
- * Called from init/main.c to reserve IO ports.
+ * Reserve I/O ports or memory based on "reserve=" kernel parameter.
  */
 #define MAXRESERVE 4
 static int __init reserve_setup(char *str)
@@ -1489,26 +1490,38 @@ static int __init reserve_setup(char *str)
 	for (;;) {
 		unsigned int io_start, io_num;
 		int x = reserved;
+		struct resource *parent;
 
-		if (get_option (&str, &io_start) != 2)
+		if (get_option(&str, &io_start) != 2)
 			break;
-		if (get_option (&str, &io_num)   == 0)
+		if (get_option(&str, &io_num) == 0)
 			break;
 		if (x < MAXRESERVE) {
 			struct resource *res = reserve + x;
+
+			/*
+			 * If the region starts below 0x10000, we assume it's
+			 * I/O port space; otherwise assume it's memory.
+			 */
+			if (io_start < 0x10000) {
+				res->flags = IORESOURCE_IO;
+				parent = &ioport_resource;
+			} else {
+				res->flags = IORESOURCE_MEM;
+				parent = &iomem_resource;
+			}
 			res->name = "reserved";
 			res->start = io_start;
 			res->end = io_start + io_num - 1;
-			res->flags = IORESOURCE_BUSY;
+			res->flags |= IORESOURCE_BUSY;
 			res->desc = IORES_DESC_NONE;
 			res->child = NULL;
-			if (request_resource(res->start >= 0x10000 ? &iomem_resource : &ioport_resource, res) == 0)
+			if (request_resource(parent, res) == 0)
 				reserved = x+1;
 		}
 	}
 	return 1;
 }
-
 __setup("reserve=", reserve_setup);
 
 /*