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authorIngo Molnar <mingo@elte.hu>2008-07-29 11:54:24 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-29 11:54:24 +0200
commit3825c9e8d01e4310c40a3903a354c433c32a7b6f (patch)
tree87c94a8076bbb38bd2cf20ab9bc23d6f74f6a0a8 /drivers/pci/pci.c
parent5d7b605245b1aa1a9cd6549b1f57d69273eb0c37 (diff)
parent6e86841d05f371b5b9b86ce76c02aaee83352298 (diff)
Merge commit 'v2.6.27-rc1' into x86/microcode
Conflicts: arch/x86/kernel/microcode.c Manual resolutions: arch/x86/kernel/microcode_amd.c arch/x86/kernel/microcode_intel.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/pci/pci.c')
-rw-r--r--drivers/pci/pci.c10
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)
{