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authorJiang Liu <jiang.liu@huawei.com>2012-07-24 13:20:13 +0400
committerBjorn Helgaas <bhelgaas@google.com>2012-08-23 20:11:12 +0400
commit3b87011d9a84777d06b8619b69a8a6b1b4b41959 (patch)
treee86ab49ff0610d26e912fcf78391d4ea638524d8
parentf12eb72a268ba57d23fa5afd987210521cfe73e6 (diff)
downloadlinux-3b87011d9a84777d06b8619b69a8a6b1b4b41959.tar.xz
ARM: PCI: Use PCI Express Capability accessors
Use PCI Express Capability access functions to simplify ARM PCIe code. Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Stephen Warren <swarren@wwwdotorg.org>
-rw-r--r--arch/arm/mach-tegra/pcie.c12
1 files changed, 1 insertions, 11 deletions
diff --git a/arch/arm/mach-tegra/pcie.c b/arch/arm/mach-tegra/pcie.c
index d3ad5150d660..c25a2a4f2e3d 100644
--- a/arch/arm/mach-tegra/pcie.c
+++ b/arch/arm/mach-tegra/pcie.c
@@ -367,17 +367,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_NVIDIA, 0x0bf1, tegra_pcie_fixup_class);
/* Tegra PCIE requires relaxed ordering */
static void __devinit tegra_pcie_relax_enable(struct pci_dev *dev)
{
- u16 val16;
- int pos = pci_find_capability(dev, PCI_CAP_ID_EXP);
-
- if (pos <= 0) {
- dev_err(&dev->dev, "skipping relaxed ordering fixup\n");
- return;
- }
-
- pci_read_config_word(dev, pos + PCI_EXP_DEVCTL, &val16);
- val16 |= PCI_EXP_DEVCTL_RELAX_EN;
- pci_write_config_word(dev, pos + PCI_EXP_DEVCTL, val16);
+ pcie_capability_set_word(dev, PCI_EXP_DEVCTL, PCI_EXP_DEVCTL_RELAX_EN);
}
DECLARE_PCI_FIXUP_FINAL(PCI_ANY_ID, PCI_ANY_ID, tegra_pcie_relax_enable);