ahci: Remove jmicron fixup

The AHCI set up is handled properly along with the other bits in the
JMICRON quirk. Remove the code whacking it in ahci.c as its un-needed and
also blindly fiddles with bits it doesn't own.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 32cfaa8..ca53d5a 100644 (file)
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1685,13 +1685,9 @@ static int ahci_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
        if (!printed_version++)
                dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
 
-       /* JMicron-specific fixup: make sure we're in AHCI mode */
-       /* This is protected from races with ata_jmicron by the pci probe
-          locking */
        if (pdev->vendor == PCI_VENDOR_ID_JMICRON) {
-               /* AHCI enable, AHCI on function 0 */
-               pci_write_config_byte(pdev, 0x41, 0xa1);
-               /* Function 1 is the PATA controller */
+               /* Function 1 is the PATA controller except on the 368, where
+                  we are not AHCI anyway */
                if (PCI_FUNC(pdev->devfn))
                        return -ENODEV;
        }