[PATCH] ahci: Remove jmicron fixup

[Alan]

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@xxxxxxxxxx>

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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