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 <[email protected]>
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.20-rc3-mm1/drivers/ata/ahci.c linux-2.6.20-rc3-mm1/drivers/ata/ahci.c
--- linux.vanilla-2.6.20-rc3-mm1/drivers/ata/ahci.c 2007-01-05 13:09:36.000000000 +0000
+++ linux-2.6.20-rc3-mm1/drivers/ata/ahci.c 2007-01-05 14:02:58.000000000 +0000
@@ -1659,13 +1659,9 @@
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;
}
-
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