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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-08-27 07:15:30 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-08-27 07:15:30 -0700
commita7bdf7fa33127bf08eb0810698bca607a9462df4 (patch)
tree2f4be686e49710d10cc4f5ebc2d5f06ae030b9bd /drivers/acpi/pci_root.c
parent7fda953ffed1b94aa68f80c6c3ab312328aedcb3 (diff)
parentfea7a08acb13524b47711625eebea40a0ede69a0 (diff)
downloadblackbird-op-linux-a7bdf7fa33127bf08eb0810698bca607a9462df4.tar.gz
blackbird-op-linux-a7bdf7fa33127bf08eb0810698bca607a9462df4.zip
Merge v3.6-rc3 into usb-next
This picks up fixes that we need in this branch for testing. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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) {
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