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authorOlof Johansson <olof@lixom.net>2012-09-16 18:50:30 -0700
committerOlof Johansson <olof@lixom.net>2012-09-16 18:50:30 -0700
commitd192f93cfca6a0aedbf10fa548d8bc17b86275d6 (patch)
tree357a4106ec49747bd78550a79d68f7b6d1f642a3 /drivers/acpi/pci_root.c
parentadcb079f28ec08165897e2450a4a60b219274008 (diff)
parentd5703bd35a4c76b0717ea51e2e8aabce341828a1 (diff)
Merge tag 'tegra-for-3.7-maintainers' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/maintainers
* tag 'tegra-for-3.7-maintainers' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: MAINTAINERS: tegra: remove Olof/Colin, add device tree files MAINTAINERS: add defconfig file to TEGRA section + sync with 3.6-rc4
Diffstat (limited to 'drivers/acpi/pci_root.c')
-rw-r--r--drivers/acpi/pci_root.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index ec54014c321c..72a2c98bc429 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -573,8 +573,15 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
OSC_CLOCK_PWR_CAPABILITY_SUPPORT;
if (pci_msi_enabled())
flags |= OSC_MSI_SUPPORT;
- if (flags != base_flags)
- acpi_pci_osc_support(root, flags);
+ if (flags != base_flags) {
+ status = acpi_pci_osc_support(root, flags);
+ if (ACPI_FAILURE(status)) {
+ dev_info(root->bus->bridge, "ACPI _OSC support "
+ "notification failed, disabling PCIe ASPM\n");
+ pcie_no_aspm();
+ flags = base_flags;
+ }
+ }
if (!pcie_ports_disabled
&& (flags & ACPI_PCIE_REQ_SUPPORT) == ACPI_PCIE_REQ_SUPPORT) {