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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-10 23:08:21 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-10 23:08:21 +0400 |
| commit | 1c8106528aa6bf16b3f457de80df1cf7462a49a4 (patch) | |
| tree | 4aed009c4a36195fd14c9f8d70fe2723a49583da /drivers/acpi | |
| parent | 1a464cbb3d483f2f195b614cffa4aa1b910a0440 (diff) | |
| parent | f93ea733878733f3e98475bc3e2ccf789bebcfb8 (diff) | |
| download | linux-1c8106528aa6bf16b3f457de80df1cf7462a49a4.tar.xz | |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (53 commits)
iommu/amd: Set IOTLB invalidation timeout
iommu/amd: Init stats for iommu=pt
iommu/amd: Remove unnecessary cache flushes in amd_iommu_resume
iommu/amd: Add invalidate-context call-back
iommu/amd: Add amd_iommu_device_info() function
iommu/amd: Adapt IOMMU driver to PCI register name changes
iommu/amd: Add invalid_ppr callback
iommu/amd: Implement notifiers for IOMMUv2
iommu/amd: Implement IO page-fault handler
iommu/amd: Add routines to bind/unbind a pasid
iommu/amd: Implement device aquisition code for IOMMUv2
iommu/amd: Add driver stub for AMD IOMMUv2 support
iommu/amd: Add stat counter for IOMMUv2 events
iommu/amd: Add device errata handling
iommu/amd: Add function to get IOMMUv2 domain for pdev
iommu/amd: Implement function to send PPR completions
iommu/amd: Implement functions to manage GCR3 table
iommu/amd: Implement IOMMUv2 TLB flushing routines
iommu/amd: Add support for IOMMUv2 domain mode
iommu/amd: Add amd_iommu_domain_direct_map function
...
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/pci_root.c | 7 |
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), " |