PCI: ATI sb600 sata quirk

Acked-by: Jeff Garzik <jeff@garzik.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

2 files changed, 17 insertions, 1 deletions

diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c
index d55b938b1aeb..ffdffb6379ef 100644
--- a/drivers/ide/pci/atiixp.c
+++ b/drivers/ide/pci/atiixp.c
@@ -368,7 +368,6 @@ static struct pci_device_id atiixp_pci_tbl[] = {
         { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP300_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
         { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP400_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
         { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
-        { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, PCI_ANY_ID, PCI_ANY_ID, (PCI_CLASS_STORAGE_IDE<<8)|0x8a, 0xffff05, 1},
         { 0, },
 };
 MODULE_DEVICE_TABLE(pci, atiixp_pci_tbl);
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 8a2db01b903e..8f0322d6f3bf 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -850,6 +850,23 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82454NX,	quirk_
 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)
+{
+        /* set sb600 sata to ahci mode */
+        if ((pdev->class >> 8) == PCI_CLASS_STORAGE_IDE) {
+                u8 tmp;
+
+                pci_read_config_byte(pdev, 0x40, &tmp);
+                pci_write_config_byte(pdev, 0x40, tmp|1);
+                pci_write_config_byte(pdev, 0x9, 1);
+                pci_write_config_byte(pdev, 0xa, 6);
+                pci_write_config_byte(pdev, 0x40, tmp);
+
+                pdev->class = 0x010601;
+        }
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_sb600_sata);
+
 /*
  *      Serverworks CSB5 IDE does not fully support native mode
  */