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authorIngo Molnar <mingo@kernel.org>2012-06-20 16:22:32 +0400
committerIngo Molnar <mingo@kernel.org>2012-06-20 16:22:34 +0400
commit6a991acceedce3ca93caef8ba7af2468c9451614 (patch)
tree1997d71fc57bdebd12fc70a73070281614b52f15 /drivers/pci/pci.c
parent70fb74a5420f9caa3e001d65004e4b669124283e (diff)
parent485802a6c524e62b5924849dd727ddbb1497cc71 (diff)
downloadlinux-6a991acceedce3ca93caef8ba7af2468c9451614.tar.xz
Merge commit 'v3.5-rc3' into x86/debug
Merge it in to pick up a fix that we are going to clean up in this branch. Signed-off-by: Ingo Molnar <mingo@kernel.org>
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);