diff options
| author | Jay Agarwal <jagarwal@nvidia.com> | 2014-03-14 14:33:47 +0530 |
|---|---|---|
| committer | Jay Agarwal <jagarwal@nvidia.com> | 2014-03-21 03:08:10 -0700 |
| commit | a27dbc5b5649c32be28a1337e9501bf552771bc8 (patch) | |
| tree | 4ff1126c6eb2f0712d9a88afee6063b22cc29ab3 /drivers/pci | |
| parent | c4bb591785306f4ab14637d8419e60028f21bfe0 (diff) | |
pcie: host: tegra: Enable ASPM based on cmd line
Enable ASPM in host driver only when pci_aspm=off
is not set.
Bug 1459770
Change-Id: I1fc6bab71df0297e1c6775837f023aed3396eb8b
Signed-off-by: Jay Agarwal <jagarwal@nvidia.com>
Reviewed-on: http://git-master/r/381953
Reviewed-by: Automatic_Commit_Validation_User
Tested-by: Vijayarahavan Rajendran <vrajendran@nvidia.com>
Reviewed-by: Venu Byravarasu <vbyravarasu@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 84c3d6af3061..d80bae719aee 100644 --- a/drivers/pci/host/pci-tegra.c +++ b/drivers/pci/host/pci-tegra.c @@ -1778,6 +1778,10 @@ static void tegra_pcie_enable_aspm(void) u16 val = 0, aspm = 0; PR_FUNC_LINE; + if (!pcie_aspm_support_enabled()) { + pr_info("PCIE: ASPM not enabled\n"); + return; + } for_each_pci_dev(pdev) { /* Find ASPM capability */ pcie_capability_read_word(pdev, PCI_EXP_LNKCAP, &aspm); |