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authorOlof Johansson <olof@lixom.net>2012-09-05 15:33:19 -0700
committerOlof Johansson <olof@lixom.net>2012-09-05 15:33:19 -0700
commit301fd5c13257862df66c81c48d963d474e63e0ef (patch)
tree128af89336dd8b1ee62696c4588057b2eb0b445e /drivers/acpi/pci_root.c
parentdaa56a06b5a592ceb69130a1d15c067a078f2701 (diff)
parent7952717adb69efc1d2443a1858f96d23c2fb93e0 (diff)
Merge branch 'kzm9g' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc
* 'kzm9g' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: shmobile: kzm9g: enable restarting + sync to 3.6-rc3
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 ec54014c321..72a2c98bc42 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) {