From 39a53062cb5b2ceca6035f3ed67317672f0bcf3b Mon Sep 17 00:00:00 2001 From: Kenji Kaneshige Date: Wed, 11 Nov 2009 14:31:38 +0900 Subject: [PATCH] PCIe AER: use pci_pcie_cap() Use pcie_cap() instead of pci_find_capability() to get PCIe capability offset in PCIe AER driver. This avoids unnecessary search in PCI configuration space. Signed-off-by: Kenji Kaneshige Signed-off-by: Jesse Barnes --- drivers/pci/pcie/aer/aerdrv.c | 2 +- drivers/pci/pcie/aer/aerdrv_core.c | 8 ++++---- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c index 40c3cc5d1ca..6d30e795a10 100644 --- a/drivers/pci/pcie/aer/aerdrv.c +++ b/drivers/pci/pcie/aer/aerdrv.c @@ -295,7 +295,7 @@ static void aer_error_resume(struct pci_dev *dev) u16 reg16; /* Clean up Root device status */ - pos = pci_find_capability(dev, PCI_CAP_ID_EXP); + pos = pci_pcie_cap(dev); pci_read_config_word(dev, pos + PCI_EXP_DEVSTA, ®16); pci_write_config_word(dev, pos + PCI_EXP_DEVSTA, reg16); diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c index f4512feac12..5391a9b412e 100644 --- a/drivers/pci/pcie/aer/aerdrv_core.c +++ b/drivers/pci/pcie/aer/aerdrv_core.c @@ -42,7 +42,7 @@ int pci_enable_pcie_error_reporting(struct pci_dev *dev) if (!pos) return -EIO; - pos = pci_find_capability(dev, PCI_CAP_ID_EXP); + pos = pci_pcie_cap(dev); if (!pos) return -EIO; @@ -66,7 +66,7 @@ int pci_disable_pcie_error_reporting(struct pci_dev *dev) if (dev->aer_firmware_first) return -EIO; - pos = pci_find_capability(dev, PCI_CAP_ID_EXP); + pos = pci_pcie_cap(dev); if (!pos) return -EIO; @@ -224,7 +224,7 @@ static int find_device_iter(struct pci_dev *dev, void *data) */ if (atomic_read(&dev->enable_cnt) == 0) return 0; - pos = pci_find_capability(dev, PCI_CAP_ID_EXP); + pos = pci_pcie_cap(dev); if (!pos) return 0; /* Check if AER is enabled */ @@ -618,7 +618,7 @@ void aer_enable_rootport(struct aer_rpc *rpc) u16 reg16; u32 reg32; - pos = pci_find_capability(pdev, PCI_CAP_ID_EXP); + pos = pci_pcie_cap(pdev); /* Clear PCIE Capability's Device Status */ pci_read_config_word(pdev, pos+PCI_EXP_DEVSTA, ®16); pci_write_config_word(pdev, pos+PCI_EXP_DEVSTA, reg16); -- 2.39.2