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yaml --- r: 362300 b: refs/heads/master c: 6e0eda3 h: refs/heads/master v: v3
git-mirror · Apr 3, 2013 · a27aa00 · a27aa00
1 parent cae4093
commit a27aa00
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Showing 2 changed files with 4 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b8178f130e25c1bdac1c33e0996f1ff6e20ec08e
+refs/heads/master: 6e0eda3c389887168455b92b6f7b48f552227067
diff --git a/trunk/drivers/pci/pci-driver.c b/trunk/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