Commit 17bd86c6 authored Nov 18, 2013 by Eric Brower Committed by Bjorn Helgaas Dec 07, 2013

PCI: Disable Gen2 for Tegra20 and Tegra30



Tegra20 and Tegra30 do not support gen2 PCIe, so correct the
register setting to disable it.

Signed-off-by: Eric Brower <ebrower@nvidia.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Thierry Reding <treding@nvidia.com>

parent 6ce4eac1

drivers/pci/host/pci-tegra.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -805,7 +805,7 @@ static int tegra_pcie_enable_controller(struct tegra_pcie *pcie)
		afi_writel(pcie, value, AFI_PCIE_CONFIG);

		value = afi_readl(pcie, AFI_FUSE);
		value &= ~AFI_FUSE_PCIE_T0_GEN2_DIS;
		value \|= AFI_FUSE_PCIE_T0_GEN2_DIS;
		afi_writel(pcie, value, AFI_FUSE);

		/* initialize internal PHY, enable up to 16 PCIE lanes */