diff options
| author | Clark Williams <williams@redhat.com> | 2012-04-04 10:52:26 -0500 |
|---|---|---|
| committer | Clark Williams <williams@redhat.com> | 2012-04-04 10:52:26 -0500 |
| commit | 2d93eaf2d4ace5853a74a4b0596f601aa62cb840 (patch) | |
| tree | b0a2e2083c1749c4e3b8ae23db7bb13a7ca9aafe /drivers/pci/pcie/aspm.c | |
| parent | 003133585fc61d7bd36d3a097d7fde62e64a9550 (diff) | |
| parent | 23d8c3f8f494c8516c9b4c05529e118e6a485956 (diff) | |
Merge commit 'v3.2.14' into rt-3.2.14-rt23v3.2.14-rt23
Diffstat (limited to 'drivers/pci/pcie/aspm.c')
| -rw-r--r-- | drivers/pci/pcie/aspm.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index 24f049e73952..22751622568f 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -500,9 +500,6 @@ static int pcie_aspm_sanity_check(struct pci_dev *pdev) int pos; u32 reg32; - if (aspm_disabled) - return 0; - /* * Some functions in a slot might not all be PCIe functions, * very strange. Disable ASPM for the whole slot @@ -511,6 +508,16 @@ static int pcie_aspm_sanity_check(struct pci_dev *pdev) pos = pci_pcie_cap(child); if (!pos) return -EINVAL; + + /* + * If ASPM is disabled then we're not going to change + * the BIOS state. It's safe to continue even if it's a + * pre-1.1 device + */ + + if (aspm_disabled) + continue; + /* * Disable ASPM for pre-1.1 PCIe device, we follow MS to use * RBER bit to determine if a function is 1.1 version device |