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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-26 05:01:43 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-26 05:01:43 +0100 |
| commit | 5aafdea448fb86412a6f8e46df518c1545d32436 (patch) | |
| tree | c8e7b57382628873a26b15fbda1f41b527ad1c0b /drivers/pci/pci.c | |
| parent | Merge git://git.infradead.org/battery-2.6 (diff) | |
| parent | PCI: Disable ASPM when _OSC control is not granted for PCIe services (diff) | |
| download | linux-5aafdea448fb86412a6f8e46df518c1545d32436.tar.xz linux-5aafdea448fb86412a6f8e46df518c1545d32436.zip | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
PCI: Disable ASPM when _OSC control is not granted for PCIe services
PCI: Changing ASPM policy, via /sys, to POWERSAVE could cause NMIs
PCI: PCIe links may not get configured for ASPM under POWERSAVE mode
PCI/ACPI: Report ASPM support to BIOS if not disabled from command line
Diffstat (limited to 'drivers/pci/pci.c')
| -rw-r--r-- | drivers/pci/pci.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index b714d787bddd..2472e7177b4b 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -740,6 +740,12 @@ int pci_set_power_state(struct pci_dev *dev, pci_power_t state) if (!__pci_complete_power_transition(dev, state)) error = 0; + /* + * When aspm_policy is "powersave" this call ensures + * that ASPM is configured. + */ + if (!error && dev->bus->self) + pcie_aspm_powersave_config_link(dev->bus->self); return error; } |