---

yaml
---
r: 106956
b: refs/heads/master
c: 979b179
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 362b7077a5546b42131af15ba4776f30c9a72d0c
+refs/heads/master: 979b1791e5b8f8b556faeec4c48339e7ed63af9f

trunk/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);
 

trunk/drivers/pci/quirks.c

@@ -923,6 +923,19 @@ static void __init quirk_ide_samemode(struct pci_dev *pdev)
 }
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_10, quirk_ide_samemode);
 
+/*
+ * Some ATA devices break if put into D3
+ */
+
+static void __devinit quirk_no_ata_d3(struct pci_dev *pdev)
+{
+	/* Quirk the legacy ATA devices only. The AHCI ones are ok */
+	if ((pdev->class >> 8) == PCI_CLASS_STORAGE_IDE)
+		pdev->dev_flags |= PCI_DEV_FLAGS_NO_D3;
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, PCI_ANY_ID, quirk_no_ata_d3);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATI, PCI_ANY_ID, quirk_no_ata_d3);
+
 /* This was originally an Alpha specific thing, but it really fits here.
  * The i82375 PCI/EISA bridge appears as non-classified. Fix that.
  */

trunk/include/linux/pci.h

@@ -124,6 +124,8 @@ enum pci_dev_flags {
 	 * generation too.
 	 */
 	PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG = (__force pci_dev_flags_t) 1,
+	/* Device configuration is irrevocably lost if disabled into D3 */
+	PCI_DEV_FLAGS_NO_D3 = (__force pci_dev_flags_t) 2,
 };
 
 typedef unsigned short __bitwise pci_bus_flags_t;