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authorIngo Molnar <mingo@kernel.org>2013-04-19 13:03:08 +0200
committerIngo Molnar <mingo@kernel.org>2013-04-19 13:03:08 +0200
commit5379f8c0d72cab43bbe6d974ceb3ad84dddc2b8e (patch)
tree524d8ac34cc8c7ef68b43e3ee6e08e27db86299c /drivers/pci/pci-driver.c
parentb6d5278dc8385eaf2e3904a4af444a04f6ae4e71 (diff)
parent94c1acf2c85b03a59a42d931a94a13a76c123a62 (diff)
downloadolio-linux-3.10-5379f8c0d72cab43bbe6d974ceb3ad84dddc2b8e.tar.xz
olio-linux-3.10-5379f8c0d72cab43bbe6d974ceb3ad84dddc2b8e.zip
Merge tag 'edac_amd_f16h' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras into x86/ras
Pull AMD F16h support for amd64_edac from Borislav Petkov. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/pci/pci-driver.c')
-rw-r--r--drivers/pci/pci-driver.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 1fa1e482a99..79277fb36c6 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -390,9 +390,10 @@ static void pci_device_shutdown(struct device *dev)
/*
* Turn off Bus Master bit on the device to tell it to not
- * continue to do DMA
+ * continue to do DMA. Don't touch devices in D3cold or unknown states.
*/
- pci_clear_master(pci_dev);
+ if (pci_dev->current_state <= PCI_D3hot)
+ pci_clear_master(pci_dev);
}
#ifdef CONFIG_PM