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Commit 3b87011d authored by Jiang Liu's avatar Jiang Liu Committed by Bjorn Helgaas
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ARM: PCI: Use PCI Express Capability accessors 



Use PCI Express Capability access functions to simplify ARM PCIe code.

Signed-off-by: default avatarJiang Liu <jiang.liu@huawei.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Acked-by: default avatarStephen Warren <swarren@wwwdotorg.org>
parent f12eb72a

arch/arm/mach-tegra/pcie.c

+1 −11
Original line number Diff line number Diff line
@@ -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);