diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c
index d55b938b1aebeb83bc7d60e3016e7e2b28fdc40b..ffdffb6379efa944b8972bea3c8cbea7ad6194a2 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 8a2db01b903ed19638806ffce24ed0ee9987d7e5..8f0322d6f3bf473fd60094073bbd353ed834eaa3 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
  */