Cai, Crane wrote:
From: Crane Cai <crane.cai@xxxxxxx>
PCI: modify SATA IDE mode quirk
When initialize and resume, SB600/700/800 need to set SATA mode
correctly.
Signed-off-by: Crane Cai <crane.cai@xxxxxxx>
--------------------------------------------
--- a/drivers/pci/quirks.c 2007-09-24 14:16:32.000000000 -0400
+++ b/drivers/pci/quirks.c 2008-02-02 11:23:47.000000000 -0500
@@ -859,12 +859,13 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_IN
DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL,
PCI_DEVICE_ID_INTEL_82454NX, quirk_disable_pxb );
-static void __devinit quirk_sb600_sata(struct pci_dev *pdev)
+static void __devinit quirk_amd_ide_mode(struct pci_dev *pdev)
{
- /* set sb600 sata to ahci mode */
- if ((pdev->class >> 8) == PCI_CLASS_STORAGE_IDE) {
- u8 tmp;
+ /* set sb600/sb700/sb800 sata to ahci mode */
+ u8 tmp;
+ pci_read_config_byte(pdev, PCI_CLASS_DEVICE, &tmp);
+ if (tmp == 0x01) {
pci_read_config_byte(pdev, 0x40, &tmp);
pci_write_config_byte(pdev, 0x40, tmp|1);
pci_write_config_byte(pdev, 0x9, 1);
@@ -872,10 +873,13 @@ static void __devinit quirk_sb600_sata(s
pci_write_config_byte(pdev, 0x40, tmp);
pdev->class = PCI_CLASS_STORAGE_SATA_AHCI;
+ printk(KERN_INFO "PCI: set SATA to AHCI mode\n");
}
}
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI,
PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_sb600_sata);
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI,
PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_sb600_sata);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI,
PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_amd_ide_mode);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_ATI,
PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_amd_ide_mode);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI,
PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_amd_ide_mode);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_ATI,
PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_amd_ide_mode);
ACK
In the future, please also CC linux-ide@xxxxxxxxxxxxxxx, as that's where
the ATA folks hang out :)
Jeff
-
To unsubscribe from this list: send the line "unsubscribe linux-ide" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
