From: Eric Brower <ebrower@nvidia.com>
To: <thierry.reding@gmail.com>
Cc: <bhelgaas@google.com>, <linux-pci@vger.kernel.org>,
<swarren@wwwdotorg.org>, <linux-tegra@vger.kernel.org>,
Eric Brower <ebrower@nvidia.com>
Subject: [PATCH] PCI: Disable Gen2 for Tegra20 and Tegra30
Date: Mon, 18 Nov 2013 14:55:06 -0800 [thread overview]
Message-ID: <1384815306-3149-1-git-send-email-ebrower@nvidia.com> (raw)
Tegra20 and Tegra30 do not support gen2 PCIe, so correct the
register setting to disable it.
Signed-off-by: Eric Brower <ebrower@nvidia.com>
---
drivers/pci/host/pci-tegra.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
index 0afbbbc..b8ba2f7 100644
--- a/drivers/pci/host/pci-tegra.c
+++ b/drivers/pci/host/pci-tegra.c
@@ -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 */
--
1.8.1.5
next reply other threads:[~2013-11-18 22:55 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-18 22:55 Eric Brower [this message]
2013-11-29 15:00 ` [PATCH] PCI: Disable Gen2 for Tegra20 and Tegra30 Thierry Reding
2013-12-07 22:40 ` Bjorn Helgaas
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