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authorTakashi Iwai <tiwai@suse.de>2012-01-31 18:13:14 +0400
committerTakashi Iwai <tiwai@suse.de>2012-01-31 18:13:14 +0400
commitea51e5040e24eefe44d70bc654a237ca1f0225b0 (patch)
treedf2e5922dcdfafae62a10d8cd97f98121064fc23 /drivers/acpi/pci_root.c
parent3422a47041b8cb8f14ac1e3926bcf711121df6dc (diff)
parent8dbd52daee38adaae4d5a674bcca837e694a4f4c (diff)
downloadlinux-ea51e5040e24eefe44d70bc654a237ca1f0225b0.tar.xz
Merge branch 'fix/asoc' into for-linus
Diffstat (limited to 'drivers/acpi/pci_root.c')
-rw-r--r--drivers/acpi/pci_root.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 2672c798272f..7aff6312ce7c 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -596,6 +596,13 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
if (ACPI_SUCCESS(status)) {
dev_info(root->bus->bridge,
"ACPI _OSC control (0x%02x) granted\n", flags);
+ if (acpi_gbl_FADT.boot_flags & ACPI_FADT_NO_ASPM) {
+ /*
+ * We have ASPM control, but the FADT indicates
+ * that it's unsupported. Clear it.
+ */
+ pcie_clear_aspm(root->bus);
+ }
} else {
dev_info(root->bus->bridge,
"ACPI _OSC request failed (%s), "