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-rw-r--r--arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c6
-rw-r--r--arch/powerpc/platforms/52xx/mpc52xx_pic.c2
-rw-r--r--arch/powerpc/platforms/Kconfig2
-rw-r--r--arch/powerpc/platforms/cell/spufs/lscsa_alloc.c2
-rw-r--r--arch/powerpc/platforms/cell/spufs/sched.c2
-rw-r--r--arch/powerpc/platforms/cell/spufs/spu_restore.c2
-rw-r--r--arch/powerpc/platforms/iseries/mf.c2
-rw-r--r--arch/powerpc/platforms/iseries/viopath.c8
-rw-r--r--arch/powerpc/platforms/pasemi/dma_lib.c4
-rw-r--r--arch/powerpc/platforms/powermac/Makefile2
-rw-r--r--arch/powerpc/platforms/powermac/low_i2c.c2
-rw-r--r--arch/powerpc/platforms/powermac/pci.c2
-rw-r--r--arch/powerpc/platforms/powermac/pmac.h1
-rw-r--r--arch/powerpc/platforms/powermac/setup.c56
-rw-r--r--arch/powerpc/platforms/powermac/smp.c154
-rw-r--r--arch/powerpc/platforms/pseries/dlpar.c2
-rw-r--r--arch/powerpc/platforms/pseries/eeh.c2
-rw-r--r--arch/powerpc/platforms/pseries/hotplug-cpu.c2
-rw-r--r--arch/powerpc/platforms/pseries/iommu.c6
-rw-r--r--arch/powerpc/platforms/pseries/offline_states.h2
-rw-r--r--arch/powerpc/platforms/pseries/setup.c2
-rw-r--r--arch/powerpc/platforms/pseries/smp.c17
-rw-r--r--arch/powerpc/platforms/pseries/xics.c2
23 files changed, 145 insertions, 137 deletions
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
index 6385d883cb8d..9940ce8a2d4e 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
@@ -57,7 +57,7 @@ struct mpc52xx_lpbfifo {
static struct mpc52xx_lpbfifo lpbfifo;
/**
- * mpc52xx_lpbfifo_kick - Trigger the next block of data to be transfered
+ * mpc52xx_lpbfifo_kick - Trigger the next block of data to be transferred
*/
static void mpc52xx_lpbfifo_kick(struct mpc52xx_lpbfifo_request *req)
{
@@ -179,7 +179,7 @@ static void mpc52xx_lpbfifo_kick(struct mpc52xx_lpbfifo_request *req)
*
* On transmit, the dma completion irq triggers before the fifo completion
* triggers. Handle the dma completion here instead of the LPB FIFO Bestcomm
- * task completion irq becuase everyting is not really done until the LPB FIFO
+ * task completion irq because everything is not really done until the LPB FIFO
* completion irq triggers.
*
* In other words:
@@ -195,7 +195,7 @@ static void mpc52xx_lpbfifo_kick(struct mpc52xx_lpbfifo_request *req)
* Exit conditions:
* 1) Transfer aborted
* 2) FIFO complete without DMA; more data to do
- * 3) FIFO complete without DMA; all data transfered
+ * 3) FIFO complete without DMA; all data transferred
* 4) FIFO complete using DMA
*
* Condition 1 can occur regardless of whether or not DMA is used.
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pic.c b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
index 3ddea96273ca..1dd15400f6f0 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_pic.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
@@ -512,7 +512,7 @@ void __init mpc52xx_init_irq(void)
/**
* mpc52xx_get_irq - Get pending interrupt number hook function
*
- * Called by the interupt handler to determine what IRQ handler needs to be
+ * Called by the interrupt handler to determine what IRQ handler needs to be
* executed.
*
* Status of pending interrupts is determined by reading the encoded status
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index 20576829eca5..f7b07720aa30 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -46,7 +46,7 @@ config PPC_OF_BOOT_TRAMPOLINE
help
Support from booting from Open Firmware or yaboot using an
Open Firmware client interface. This enables the kernel to
- communicate with open firmware to retrieve system informations
+ communicate with open firmware to retrieve system information
such as the device tree.
In case of doubt, say Y
diff --git a/arch/powerpc/platforms/cell/spufs/lscsa_alloc.c b/arch/powerpc/platforms/cell/spufs/lscsa_alloc.c
index 3b894f585280..147069938cfe 100644
--- a/arch/powerpc/platforms/cell/spufs/lscsa_alloc.c
+++ b/arch/powerpc/platforms/cell/spufs/lscsa_alloc.c
@@ -90,7 +90,7 @@ int spu_alloc_lscsa(struct spu_state *csa)
*/
for (i = 0; i < SPU_LSCSA_NUM_BIG_PAGES; i++) {
/* XXX This is likely to fail, we should use a special pool
- * similiar to what hugetlbfs does.
+ * similar to what hugetlbfs does.
*/
csa->lscsa_pages[i] = alloc_pages(GFP_KERNEL,
SPU_64K_PAGE_ORDER);
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 0b0466284932..65203857b0ce 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -846,7 +846,7 @@ static struct spu_context *grab_runnable_context(int prio, int node)
struct list_head *rq = &spu_prio->runq[best];
list_for_each_entry(ctx, rq, rq) {
- /* XXX(hch): check for affinity here aswell */
+ /* XXX(hch): check for affinity here as well */
if (__node_allowed(ctx, node)) {
__spu_del_from_rq(ctx);
goto found;
diff --git a/arch/powerpc/platforms/cell/spufs/spu_restore.c b/arch/powerpc/platforms/cell/spufs/spu_restore.c
index 21a9c952d88b..72c905f1ee7a 100644
--- a/arch/powerpc/platforms/cell/spufs/spu_restore.c
+++ b/arch/powerpc/platforms/cell/spufs/spu_restore.c
@@ -284,7 +284,7 @@ static inline void restore_complete(void)
exit_instrs[3] = BR_INSTR;
break;
default:
- /* SPU_Status[R]=1. No additonal instructions. */
+ /* SPU_Status[R]=1. No additional instructions. */
break;
}
spu_sync();
diff --git a/arch/powerpc/platforms/iseries/mf.c b/arch/powerpc/platforms/iseries/mf.c
index b5e026bdca21..62dabe3c2bfa 100644
--- a/arch/powerpc/platforms/iseries/mf.c
+++ b/arch/powerpc/platforms/iseries/mf.c
@@ -51,7 +51,7 @@
static int mf_initialized;
/*
- * This is the structure layout for the Machine Facilites LPAR event
+ * This is the structure layout for the Machine Facilities LPAR event
* flows.
*/
struct vsp_cmd_data {
diff --git a/arch/powerpc/platforms/iseries/viopath.c b/arch/powerpc/platforms/iseries/viopath.c
index b5f05d943a90..2376069cdc14 100644
--- a/arch/powerpc/platforms/iseries/viopath.c
+++ b/arch/powerpc/platforms/iseries/viopath.c
@@ -396,7 +396,7 @@ static void vio_handleEvent(struct HvLpEvent *event)
viopathStatus[remoteLp].mTargetInst)) {
printk(VIOPATH_KERN_WARN
"message from invalid partition. "
- "int msg rcvd, source inst (%d) doesnt match (%d)\n",
+ "int msg rcvd, source inst (%d) doesn't match (%d)\n",
viopathStatus[remoteLp].mTargetInst,
event->xSourceInstanceId);
return;
@@ -407,7 +407,7 @@ static void vio_handleEvent(struct HvLpEvent *event)
viopathStatus[remoteLp].mSourceInst)) {
printk(VIOPATH_KERN_WARN
"message from invalid partition. "
- "int msg rcvd, target inst (%d) doesnt match (%d)\n",
+ "int msg rcvd, target inst (%d) doesn't match (%d)\n",
viopathStatus[remoteLp].mSourceInst,
event->xTargetInstanceId);
return;
@@ -418,7 +418,7 @@ static void vio_handleEvent(struct HvLpEvent *event)
viopathStatus[remoteLp].mSourceInst) {
printk(VIOPATH_KERN_WARN
"message from invalid partition. "
- "ack msg rcvd, source inst (%d) doesnt match (%d)\n",
+ "ack msg rcvd, source inst (%d) doesn't match (%d)\n",
viopathStatus[remoteLp].mSourceInst,
event->xSourceInstanceId);
return;
@@ -428,7 +428,7 @@ static void vio_handleEvent(struct HvLpEvent *event)
viopathStatus[remoteLp].mTargetInst) {
printk(VIOPATH_KERN_WARN
"message from invalid partition. "
- "viopath: ack msg rcvd, target inst (%d) doesnt match (%d)\n",
+ "viopath: ack msg rcvd, target inst (%d) doesn't match (%d)\n",
viopathStatus[remoteLp].mTargetInst,
event->xTargetInstanceId);
return;
diff --git a/arch/powerpc/platforms/pasemi/dma_lib.c b/arch/powerpc/platforms/pasemi/dma_lib.c
index 09695ae50f91..321a9b3a2d00 100644
--- a/arch/powerpc/platforms/pasemi/dma_lib.c
+++ b/arch/powerpc/platforms/pasemi/dma_lib.c
@@ -379,9 +379,9 @@ void pasemi_dma_free_buf(struct pasemi_dmachan *chan, int size,
}
EXPORT_SYMBOL(pasemi_dma_free_buf);
-/* pasemi_dma_alloc_flag - Allocate a flag (event) for channel syncronization
+/* pasemi_dma_alloc_flag - Allocate a flag (event) for channel synchronization
*
- * Allocates a flag for use with channel syncronization (event descriptors).
+ * Allocates a flag for use with channel synchronization (event descriptors).
* Returns allocated flag (0-63), < 0 on error.
*/
int pasemi_dma_alloc_flag(void)
diff --git a/arch/powerpc/platforms/powermac/Makefile b/arch/powerpc/platforms/powermac/Makefile
index 50f169392551..ea47df66fee5 100644
--- a/arch/powerpc/platforms/powermac/Makefile
+++ b/arch/powerpc/platforms/powermac/Makefile
@@ -11,7 +11,7 @@ obj-y += pic.o setup.o time.o feature.o pci.o \
obj-$(CONFIG_PMAC_BACKLIGHT) += backlight.o
obj-$(CONFIG_CPU_FREQ_PMAC) += cpufreq_32.o
obj-$(CONFIG_CPU_FREQ_PMAC64) += cpufreq_64.o
-# CONFIG_NVRAM is an arch. independant tristate symbol, for pmac32 we really
+# CONFIG_NVRAM is an arch. independent tristate symbol, for pmac32 we really
# need this to be a bool. Cheat here and pretend CONFIG_NVRAM=m is really
# CONFIG_NVRAM=y
obj-$(CONFIG_NVRAM:m=y) += nvram.o
diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c
index 480567e5fa9a..e9c8a607268e 100644
--- a/arch/powerpc/platforms/powermac/low_i2c.c
+++ b/arch/powerpc/platforms/powermac/low_i2c.c
@@ -904,7 +904,7 @@ static void __init smu_i2c_probe(void)
printk(KERN_INFO "SMU i2c %s\n", controller->full_name);
/* Look for childs, note that they might not be of the right
- * type as older device trees mix i2c busses and other thigns
+ * type as older device trees mix i2c busses and other things
* at the same level
*/
for (busnode = NULL;
diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c
index ab6898942700..f33e08d573ce 100644
--- a/arch/powerpc/platforms/powermac/pci.c
+++ b/arch/powerpc/platforms/powermac/pci.c
@@ -299,7 +299,7 @@ static void __init setup_chaos(struct pci_controller *hose,
* This function deals with some "special cases" devices.
*
* 0 -> No special case
- * 1 -> Skip the device but act as if the access was successfull
+ * 1 -> Skip the device but act as if the access was successful
* (return 0xff's on reads, eventually, cache config space
* accesses in a later version)
* -1 -> Hide the device (unsuccessful access)
diff --git a/arch/powerpc/platforms/powermac/pmac.h b/arch/powerpc/platforms/powermac/pmac.h
index f0bc08f6c1f0..20468f49aec0 100644
--- a/arch/powerpc/platforms/powermac/pmac.h
+++ b/arch/powerpc/platforms/powermac/pmac.h
@@ -33,7 +33,6 @@ extern void pmac_setup_pci_dma(void);
extern void pmac_check_ht_link(void);
extern void pmac_setup_smp(void);
-extern void pmac32_cpu_die(void);
extern void low_cpu_die(void) __attribute__((noreturn));
extern int pmac_nvram_init(void);
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index d5aceb7fb125..aa45281bd296 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -650,51 +650,6 @@ static int pmac_pci_probe_mode(struct pci_bus *bus)
return PCI_PROBE_NORMAL;
return PCI_PROBE_DEVTREE;
}
-
-#ifdef CONFIG_HOTPLUG_CPU
-/* access per cpu vars from generic smp.c */
-DECLARE_PER_CPU(int, cpu_state);
-
-static void pmac64_cpu_die(void)
-{
- /*
- * turn off as much as possible, we'll be
- * kicked out as this will only be invoked
- * on core99 platforms for now ...
- */
-
- printk(KERN_INFO "CPU#%d offline\n", smp_processor_id());
- __get_cpu_var(cpu_state) = CPU_DEAD;
- smp_wmb();
-
- /*
- * during the path that leads here preemption is disabled,
- * reenable it now so that when coming up preempt count is
- * zero correctly
- */
- preempt_enable();
-
- /*
- * hard-disable interrupts for the non-NAP case, the NAP code
- * needs to re-enable interrupts (but soft-disables them)
- */
- hard_irq_disable();
-
- while (1) {
- /* let's not take timer interrupts too often ... */
- set_dec(0x7fffffff);
-
- /* should always be true at this point */
- if (cpu_has_feature(CPU_FTR_CAN_NAP))
- power4_cpu_offline_powersave();
- else {
- HMT_low();
- HMT_very_low();
- }
- }
-}
-#endif /* CONFIG_HOTPLUG_CPU */
-
#endif /* CONFIG_PPC64 */
define_machine(powermac) {
@@ -726,15 +681,4 @@ define_machine(powermac) {
.pcibios_after_init = pmac_pcibios_after_init,
.phys_mem_access_prot = pci_phys_mem_access_prot,
#endif
-#ifdef CONFIG_HOTPLUG_CPU
-#ifdef CONFIG_PPC64
- .cpu_die = pmac64_cpu_die,
-#endif
-#ifdef CONFIG_PPC32
- .cpu_die = pmac32_cpu_die,
-#endif
-#endif
-#if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC32)
- .cpu_die = generic_mach_cpu_die,
-#endif
};
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index c95215f4f8b6..a830c5e80657 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -840,92 +840,149 @@ static void __devinit smp_core99_setup_cpu(int cpu_nr)
/* Setup openpic */
mpic_setup_this_cpu();
+}
- if (cpu_nr == 0) {
-#ifdef CONFIG_PPC64
- extern void g5_phy_disable_cpu1(void);
+#ifdef CONFIG_HOTPLUG_CPU
+static int smp_core99_cpu_notify(struct notifier_block *self,
+ unsigned long action, void *hcpu)
+{
+ int rc;
- /* Close i2c bus if it was used for tb sync */
+ switch(action) {
+ case CPU_UP_PREPARE:
+ case CPU_UP_PREPARE_FROZEN:
+ /* Open i2c bus if it was used for tb sync */
if (pmac_tb_clock_chip_host) {
- pmac_i2c_close(pmac_tb_clock_chip_host);
- pmac_tb_clock_chip_host = NULL;
+ rc = pmac_i2c_open(pmac_tb_clock_chip_host, 1);
+ if (rc) {
+ pr_err("Failed to open i2c bus for time sync\n");
+ return notifier_from_errno(rc);
+ }
}
+ break;
+ case CPU_ONLINE:
+ case CPU_UP_CANCELED:
+ /* Close i2c bus if it was used for tb sync */
+ if (pmac_tb_clock_chip_host)
+ pmac_i2c_close(pmac_tb_clock_chip_host);
+ break;
+ default:
+ break;
+ }
+ return NOTIFY_OK;
+}
- /* If we didn't start the second CPU, we must take
- * it off the bus
- */
- if (of_machine_is_compatible("MacRISC4") &&
- num_online_cpus() < 2)
- g5_phy_disable_cpu1();
-#endif /* CONFIG_PPC64 */
+static struct notifier_block __cpuinitdata smp_core99_cpu_nb = {
+ .notifier_call = smp_core99_cpu_notify,
+};
+#endif /* CONFIG_HOTPLUG_CPU */
+
+static void __init smp_core99_bringup_done(void)
+{
+#ifdef CONFIG_PPC64
+ extern void g5_phy_disable_cpu1(void);
+
+ /* Close i2c bus if it was used for tb sync */
+ if (pmac_tb_clock_chip_host)
+ pmac_i2c_close(pmac_tb_clock_chip_host);
- if (ppc_md.progress)
- ppc_md.progress("core99_setup_cpu 0 done", 0x349);
+ /* If we didn't start the second CPU, we must take
+ * it off the bus.
+ */
+ if (of_machine_is_compatible("MacRISC4") &&
+ num_online_cpus() < 2) {
+ set_cpu_present(1, false);
+ g5_phy_disable_cpu1();
}
-}
+#endif /* CONFIG_PPC64 */
+#ifdef CONFIG_HOTPLUG_CPU
+ register_cpu_notifier(&smp_core99_cpu_nb);
+#endif
+ if (ppc_md.progress)
+ ppc_md.progress("smp_core99_bringup_done", 0x349);
+}
-#if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC32)
+#ifdef CONFIG_HOTPLUG_CPU
-int smp_core99_cpu_disable(void)
+static int smp_core99_cpu_disable(void)
{
- set_cpu_online(smp_processor_id(), false);
+ int rc = generic_cpu_disable();
+ if (rc)
+ return rc;
- /* XXX reset cpu affinity here */
mpic_cpu_set_priority(0xf);
- asm volatile("mtdec %0" : : "r" (0x7fffffff));
- mb();
- udelay(20);
- asm volatile("mtdec %0" : : "r" (0x7fffffff));
+
return 0;
}
-static int cpu_dead[NR_CPUS];
+#ifdef CONFIG_PPC32
-void pmac32_cpu_die(void)
+static void pmac_cpu_die(void)
{
+ int cpu = smp_processor_id();
+
local_irq_disable();
- cpu_dead[smp_processor_id()] = 1;
+ idle_task_exit();
+ pr_debug("CPU%d offline\n", cpu);
+ generic_set_cpu_dead(cpu);
+ smp_wmb();
mb();
low_cpu_die();
}
-void smp_core99_cpu_die(unsigned int cpu)
+#else /* CONFIG_PPC32 */
+
+static void pmac_cpu_die(void)
{
- int timeout;
+ int cpu = smp_processor_id();
- timeout = 1000;
- while (!cpu_dead[cpu]) {
- if (--timeout == 0) {
- printk("CPU %u refused to die!\n", cpu);
- break;
- }
- msleep(1);
+ local_irq_disable();
+ idle_task_exit();
+
+ /*
+ * turn off as much as possible, we'll be
+ * kicked out as this will only be invoked
+ * on core99 platforms for now ...
+ */
+
+ printk(KERN_INFO "CPU#%d offline\n", cpu);
+ generic_set_cpu_dead(cpu);
+ smp_wmb();
+
+ /*
+ * Re-enable interrupts. The NAP code needs to enable them
+ * anyways, do it now so we deal with the case where one already
+ * happened while soft-disabled.
+ * We shouldn't get any external interrupts, only decrementer, and the
+ * decrementer handler is safe for use on offline CPUs
+ */
+ local_irq_enable();
+
+ while (1) {
+ /* let's not take timer interrupts too often ... */
+ set_dec(0x7fffffff);
+
+ /* Enter NAP mode */
+ power4_idle();
}
- cpu_dead[cpu] = 0;
}
-#endif /* CONFIG_HOTPLUG_CPU && CONFIG_PP32 */
+#endif /* else CONFIG_PPC32 */
+#endif /* CONFIG_HOTPLUG_CPU */
/* Core99 Macs (dual G4s and G5s) */
struct smp_ops_t core99_smp_ops = {
.message_pass = smp_mpic_message_pass,
.probe = smp_core99_probe,
+ .bringup_done = smp_core99_bringup_done,
.kick_cpu = smp_core99_kick_cpu,
.setup_cpu = smp_core99_setup_cpu,
.give_timebase = smp_core99_give_timebase,
.take_timebase = smp_core99_take_timebase,
#if defined(CONFIG_HOTPLUG_CPU)
-# if defined(CONFIG_PPC32)
.cpu_disable = smp_core99_cpu_disable,
- .cpu_die = smp_core99_cpu_die,
-# endif
-# if defined(CONFIG_PPC64)
- .cpu_disable = generic_cpu_disable,
.cpu_die = generic_cpu_die,
- /* intentionally do *NOT* assign cpu_enable,
- * the generic code will use kick_cpu then! */
-# endif
#endif
};
@@ -957,5 +1014,10 @@ void __init pmac_setup_smp(void)
smp_ops = &psurge_smp_ops;
}
#endif /* CONFIG_PPC32 */
+
+#ifdef CONFIG_HOTPLUG_CPU
+ ppc_md.cpu_die = pmac_cpu_die;
+#endif
}
+
diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
index b74a9230edc9..57ceb92b2288 100644
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -74,7 +74,7 @@ static struct device_node *dlpar_parse_cc_node(struct cc_workarea *ccwa)
return NULL;
/* The configure connector reported name does not contain a
- * preceeding '/', so we allocate a buffer large enough to
+ * preceding '/', so we allocate a buffer large enough to
* prepend this to the full_name.
*/
name = (char *)ccwa + ccwa->name_offset;
diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c
index 3cc4d102b1f1..89649173d3a3 100644
--- a/arch/powerpc/platforms/pseries/eeh.c
+++ b/arch/powerpc/platforms/pseries/eeh.c
@@ -65,7 +65,7 @@
* with EEH.
*
* Ideally, a PCI device driver, when suspecting that an isolation
- * event has occured (e.g. by reading 0xff's), will then ask EEH
+ * event has occurred (e.g. by reading 0xff's), will then ask EEH
* whether this is the case, and then take appropriate steps to
* reset the PCI slot, the PCI device, and then resume operations.
* However, until that day, the checking is done here, with the
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index fd50ccd4bac1..ef8c45489e20 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -216,7 +216,7 @@ static void pseries_cpu_die(unsigned int cpu)
cpu, pcpu, cpu_status);
}
- /* Isolation and deallocation are definatly done by
+ /* Isolation and deallocation are definitely done by
* drslot_chrp_cpu. If they were not they would be
* done here. Change isolate state to Isolate and
* change allocation-state to Unusable.
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 154c464cdca5..6d5412a18b26 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -272,7 +272,7 @@ static unsigned long tce_get_pSeriesLP(struct iommu_table *tbl, long tcenum)
return tce_ret;
}
-/* this is compatable with cells for the device tree property */
+/* this is compatible with cells for the device tree property */
struct dynamic_dma_window_prop {
__be32 liobn; /* tce table number */
__be64 dma_base; /* address hi,lo */
@@ -976,7 +976,7 @@ static void pci_dma_dev_setup_pSeriesLP(struct pci_dev *dev)
pr_debug("pci_dma_dev_setup_pSeriesLP: %s\n", pci_name(dev));
/* dev setup for LPAR is a little tricky, since the device tree might
- * contain the dma-window properties per-device and not neccesarily
+ * contain the dma-window properties per-device and not necessarily
* for the bus. So we need to search upwards in the tree until we
* either hit a dma-window property, OR find a parent with a table
* already allocated.
@@ -1033,7 +1033,7 @@ static int dma_set_mask_pSeriesLP(struct device *dev, u64 dma_mask)
/*
* the device tree might contain the dma-window properties
- * per-device and not neccesarily for the bus. So we need to
+ * per-device and not necessarily for the bus. So we need to
* search upwards in the tree until we either hit a dma-window
* property, OR find a parent with a table already allocated.
*/
diff --git a/arch/powerpc/platforms/pseries/offline_states.h b/arch/powerpc/platforms/pseries/offline_states.h
index 75a6f480d931..08672d9136ab 100644
--- a/arch/powerpc/platforms/pseries/offline_states.h
+++ b/arch/powerpc/platforms/pseries/offline_states.h
@@ -34,6 +34,4 @@ static inline void set_default_offline_state(int cpu)
#endif
extern enum cpu_state_vals get_preferred_offline_state(int cpu);
-extern int start_secondary(void);
-extern void start_secondary_resume(void);
#endif
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index c319d04aa799..000724149089 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -378,7 +378,7 @@ static int __init pSeries_init_panel(void)
return 0;
}
-arch_initcall(pSeries_init_panel);
+machine_arch_initcall(pseries, pSeries_init_panel);
static int pseries_set_dabr(unsigned long dabr)
{
diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c
index d6479f9738f0..a509c5292a67 100644
--- a/arch/powerpc/platforms/pseries/smp.c
+++ b/arch/powerpc/platforms/pseries/smp.c
@@ -112,10 +112,10 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu)
/* Fixup atomic count: it exited inside IRQ handler. */
task_thread_info(paca[lcpu].__current)->preempt_count = 0;
-
+#ifdef CONFIG_HOTPLUG_CPU
if (get_cpu_current_state(lcpu) == CPU_STATE_INACTIVE)
goto out;
-
+#endif
/*
* If the RTAS start-cpu token does not exist then presume the
* cpu is already spinning.
@@ -130,7 +130,9 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu)
return 0;
}
+#ifdef CONFIG_HOTPLUG_CPU
out:
+#endif
return 1;
}
@@ -144,16 +146,15 @@ static void __devinit smp_xics_setup_cpu(int cpu)
vpa_init(cpu);
cpumask_clear_cpu(cpu, of_spin_mask);
+#ifdef CONFIG_HOTPLUG_CPU
set_cpu_current_state(cpu, CPU_STATE_ONLINE);
set_default_offline_state(cpu);
-
+#endif
}
#endif /* CONFIG_XICS */
static void __devinit smp_pSeries_kick_cpu(int nr)
{
- long rc;
- unsigned long hcpuid;
BUG_ON(nr < 0 || nr >= NR_CPUS);
if (!smp_startup_cpu(nr))
@@ -165,16 +166,20 @@ static void __devinit smp_pSeries_kick_cpu(int nr)
* the processor will continue on to secondary_start
*/
paca[nr].cpu_start = 1;
-
+#ifdef CONFIG_HOTPLUG_CPU
set_preferred_offline_state(nr, CPU_STATE_ONLINE);
if (get_cpu_current_state(nr) == CPU_STATE_INACTIVE) {
+ long rc;
+ unsigned long hcpuid;
+
hcpuid = get_hard_smp_processor_id(nr);
rc = plpar_hcall_norets(H_PROD, hcpuid);
if (rc != H_SUCCESS)
printk(KERN_ERR "Error: Prod to wake up processor %d "
"Ret= %ld\n", nr, rc);
}
+#endif
}
static int smp_pSeries_cpu_bootable(unsigned int nr)
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index ec8fe22047b7..d6901334d66e 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -897,7 +897,7 @@ void xics_migrate_irqs_away(void)
int status;
unsigned long flags;
- /* We cant set affinity on ISA interrupts */
+ /* We can't set affinity on ISA interrupts */
if (virq < NUM_ISA_INTERRUPTS)
continue;
if (irq_map[virq].host != xics_host)