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authorShaohua Li <shaohua.li@intel.com>2008-07-23 10:32:24 +0800
committerJesse Barnes <jbarnes@virtuousgeek.org>2008-07-28 14:56:09 -0700
commit5fde244d39b88625ac578d83e6625138714de031 (patch)
treee50762b22a94f7f7990c9dbab699a857da0982eb /include/acpi
parentce6fce4295ba727b36fdc73040e444bd1aae64cd (diff)
downloadop-kernel-dev-5fde244d39b88625ac578d83e6625138714de031.zip
op-kernel-dev-5fde244d39b88625ac578d83e6625138714de031.tar.gz
PCI: disable ASPM per ACPI FADT setting
The ACPI FADT table includes an ASPM control bit. If the bit is set, do not enable ASPM since it may indicate that the platform doesn't actually support the feature. Tested-by: Jack Howarth <howarth@bromo.msbb.uc.edu> Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'include/acpi')
-rw-r--r--include/acpi/actbl.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h
index 1ebbe88..13a3d9a 100644
--- a/include/acpi/actbl.h
+++ b/include/acpi/actbl.h
@@ -277,6 +277,7 @@ enum acpi_prefered_pm_profiles {
#define BAF_LEGACY_DEVICES 0x0001
#define BAF_8042_KEYBOARD_CONTROLLER 0x0002
#define BAF_MSI_NOT_SUPPORTED 0x0008
+#define BAF_PCIE_ASPM_CONTROL 0x0010
#define FADT2_REVISION_ID 3
#define FADT2_MINUS_REVISION_ID 2
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