diff options
Diffstat (limited to 'target/linux/generic/pending-5.10/850-0015-PCI-aardvark-Optimize-writing-PCI_EXP_RTCTL_PMEIE-an.patch')
| -rw-r--r-- | target/linux/generic/pending-5.10/850-0015-PCI-aardvark-Optimize-writing-PCI_EXP_RTCTL_PMEIE-an.patch | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/target/linux/generic/pending-5.10/850-0015-PCI-aardvark-Optimize-writing-PCI_EXP_RTCTL_PMEIE-an.patch b/target/linux/generic/pending-5.10/850-0015-PCI-aardvark-Optimize-writing-PCI_EXP_RTCTL_PMEIE-an.patch deleted file mode 100644 index 5ed809def2..0000000000 --- a/target/linux/generic/pending-5.10/850-0015-PCI-aardvark-Optimize-writing-PCI_EXP_RTCTL_PMEIE-an.patch +++ /dev/null @@ -1,52 +0,0 @@ -From 3fe0073d116d9902df08761c1cf0d733dd4c38fc Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Wed, 8 Dec 2021 06:03:50 +0100 -Subject: [PATCH] PCI: aardvark: Optimize writing PCI_EXP_RTCTL_PMEIE and - PCI_EXP_RTSTA_PME on emulated bridge -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -To optimize advk_pci_bridge_emul_pcie_conf_write() code, touch -PCIE_ISR0_REG and PCIE_ISR0_MASK_REG registers only when it is really -needed, when processing PCI_EXP_RTCTL_PMEIE and PCI_EXP_RTSTA_PME bits. - -Signed-off-by: Pali Rohár <pali@kernel.org> -Signed-off-by: Marek Behún <kabel@kernel.org> ---- - drivers/pci/controller/pci-aardvark.c | 20 +++++++++++--------- - 1 file changed, 11 insertions(+), 9 deletions(-) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -932,19 +932,21 @@ advk_pci_bridge_emul_pcie_conf_write(str - advk_pcie_wait_for_retrain(pcie); - break; - -- case PCI_EXP_RTCTL: { -+ case PCI_EXP_RTCTL: - /* Only mask/unmask PME interrupt */ -- u32 val = advk_readl(pcie, PCIE_ISR0_MASK_REG) & -- ~PCIE_MSG_PM_PME_MASK; -- if ((new & PCI_EXP_RTCTL_PMEIE) == 0) -- val |= PCIE_MSG_PM_PME_MASK; -- advk_writel(pcie, val, PCIE_ISR0_MASK_REG); -+ if (mask & PCI_EXP_RTCTL_PMEIE) { -+ u32 val = advk_readl(pcie, PCIE_ISR0_MASK_REG); -+ if (new & PCI_EXP_RTCTL_PMEIE) -+ val &= ~PCIE_MSG_PM_PME_MASK; -+ else -+ val |= PCIE_MSG_PM_PME_MASK; -+ advk_writel(pcie, val, PCIE_ISR0_MASK_REG); -+ } - break; -- } - - case PCI_EXP_RTSTA: -- new = (new & PCI_EXP_RTSTA_PME) >> 9; -- advk_writel(pcie, new, PCIE_ISR0_REG); -+ if (new & PCI_EXP_RTSTA_PME) -+ advk_writel(pcie, PCIE_MSG_PM_PME_MASK, PCIE_ISR0_REG); - break; - - case PCI_EXP_DEVCTL: |