diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-28 18:14:24 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-28 18:14:24 -0700 |
| commit | 1d9b9f6a53d77ed801ba875f937d6dabbfc381ce (patch) | |
| tree | 36ea93b80a444c3b37111e352790ebc07f29379f /drivers/pci/pci.c | |
| parent | a3ad7f128c637b7612ebeacb1f85fec933bb1195 (diff) | |
| parent | 12c0b20fa4afb5c8a377d6987fb2dcf353e1dce1 (diff) | |
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: (21 commits)
x86/PCI: use dev_printk when possible
PCI: add D3 power state avoidance quirk
PCI: fix bogus "'device' may be used uninitialized" warning in pci_slot
PCI: add an option to allow ASPM enabled forcibly
PCI: disable ASPM on pre-1.1 PCIe devices
PCI: disable ASPM per ACPI FADT setting
PCI MSI: Don't disable MSIs if the mask bit isn't supported
PCI: handle 64-bit resources better on 32-bit machines
PCI: rewrite PCI BAR reading code
PCI: document pci_target_state
PCI hotplug: fix typo in pcie hotplug output
x86 gart: replace to_pages macro with iommu_num_pages
x86, AMD IOMMU: replace to_pages macro with iommu_num_pages
iommu: add iommu_num_pages helper function
dma-coherent: add documentation to new interfaces
Cris: convert to using generic dma-coherent mem allocator
Sh: use generic per-device coherent dma allocator
ARM: support generic per-device coherent dma mem
Generic dma-coherent: fix DMA_MEMORY_EXCLUSIVE
x86: use generic per-device dma coherent allocator
...
Diffstat (limited to 'drivers/pci/pci.c')
| -rw-r--r-- | drivers/pci/pci.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index e9c356236d27..0a3d856833fc 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -572,6 +572,10 @@ int pci_set_power_state(struct pci_dev *dev, pci_power_t state) if (!ret) pci_update_current_state(dev); } + /* This device is quirked not to be put into D3, so + don't put it in D3 */ + if (state == PCI_D3hot && (dev->dev_flags & PCI_DEV_FLAGS_NO_D3)) + return 0; error = pci_raw_set_power_state(dev, state); @@ -1123,6 +1127,12 @@ int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable) } /** + * pci_target_state - find an appropriate low power state for a given PCI dev + * @dev: PCI device + * + * Use underlying platform code to find a supported low power state for @dev. + * If the platform can't manage @dev, return the deepest state from which it + * can generate wake events, based on any available PME info. */ pci_power_t pci_target_state(struct pci_dev *dev) { |