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authorIngo Molnar <[email protected]>2012-07-11 07:41:37 +0000
committerIngo Molnar <[email protected]>2012-07-11 07:41:37 +0000
commit92254d31444aad272155f7963e65910c402703dd (patch)
tree8e454ebe60cbac9a71b1771d4e471cfe54826963 /drivers/pci/pci.c
parentMerge tag 'amd-thresholding-fixes-for-3.6' of git://git.kernel.org/pub/scm/li... (diff)
parentLinux 3.5-rc6 (diff)
downloadkernel-92254d31444aad272155f7963e65910c402703dd.tar.gz
kernel-92254d31444aad272155f7963e65910c402703dd.zip
Merge tag 'v3.5-rc6' into x86/mce
Merge Linux 3.5-rc6 before merging more code. Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'drivers/pci/pci.c')
-rw-r--r--drivers/pci/pci.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 447e83472c01..77cb54a65cde 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1744,6 +1744,11 @@ int pci_prepare_to_sleep(struct pci_dev *dev)
if (target_state == PCI_POWER_ERROR)
return -EIO;
+ /* Some devices mustn't be in D3 during system sleep */
+ if (target_state == PCI_D3hot &&
+ (dev->dev_flags & PCI_DEV_FLAGS_NO_D3_DURING_SLEEP))
+ return 0;
+
pci_enable_wake(dev, target_state, device_may_wakeup(&dev->dev));
error = pci_set_power_state(dev, target_state);