From: Jiang Liu <jiang....@huawei.com>
Use PCIe capabilities access functions to simplify PCIe ARM implementation.
Signed-off-by: Jiang Liu <liu...@gmail.com>
---
arch/arm/mach-tegra/pcie.c | 13 ++-----------
1 file changed, 2 insertions(+), 11 deletions(-)
diff --git a/arch/arm/mach-tegra/pcie.c b/arch/arm/mach-tegra/pcie.c
index 0e09137..5f99d33 100644
--- a/arch/arm/mach-tegra/pcie.c
+++ b/arch/arm/mach-tegra/pcie.c
@@ -367,17 +367,8 @@ 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);
+ pci_pcie_capability_change_word(dev, PCI_EXP_DEVCTL,
+ PCI_EXP_DEVCTL_RELAX_EN, 0);
}
DECLARE_PCI_FIXUP_FINAL(PCI_ANY_ID, PCI_ANY_ID, tegra_pcie_relax_enable);
--
1.7.9.5
--
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