diff options
| author | Bibek Basu <bbasu@nvidia.com> | 2014-04-29 12:24:01 +0530 |
|---|---|---|
| committer | Mandar Padmawar <mpadmawar@nvidia.com> | 2014-05-02 04:32:55 -0700 |
| commit | ce3c69f7bff11eca5cf7b01caed2e1732eef945d (patch) | |
| tree | 5667df8d9603ada70abf22d4156f5d3780c1aa4a /drivers/pci | |
| parent | 7dc56d1f8c49b94eb0382e390b3da0d255cf4adb (diff) | |
PCIE: tegra: disable L0s for T12x
Disable for Tegra12 L0s feature as its broken.
Bug 1483608
Change-Id: I84cc97d7a3e3f6527366a2edb3238d103ca5d167
Signed-off-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-on: http://git-master/r/391647
(cherry picked from commit 80f4ce0958393616d98f759f7fa190f761c6a711)
Reviewed-on: http://git-master/r/402824
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Venkat Moganty <vmoganty@nvidia.com>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/host/pci-tegra.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c index ca49e452bbbb..3908f69c046d 100644 --- a/drivers/pci/host/pci-tegra.c +++ b/drivers/pci/host/pci-tegra.c @@ -1799,6 +1799,10 @@ static void tegra_pcie_enable_aspm(void) pcie_capability_read_word(pdev, PCI_EXP_LNKCTL, &val); val |= aspm >> 10; pcie_capability_write_word(pdev, PCI_EXP_LNKCTL, val); +#if defined CONFIG_ARCH_TEGRA_12x_SOC + pcie_capability_clear_word(pdev, PCI_EXP_LNKCTL, + PCI_EXP_LNKCTL_ASPM_L0S); +#endif } } |