libata: Fix LBA48 on pata_it821x RAID volumes.

[http://lkml.org/lkml/2008/10/18/82]
Signed-off-by: NOndrej Zary <linux@rainbow-software.org>
Acked-by: NAlan Cox <alan@redhat.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

drivers/ata/pata_it821x.c

@@ -557,9 +557,8 @@ static unsigned int it821x_read_id(struct ata_device *adev,
 	if (strstr(model_num, "Integrated Technology Express")) {
 		/* Set feature bits the firmware neglects */
 		id[49] |= 0x0300;	/* LBA, DMA */
-		id[82] |= 0x0400;	/* LBA48 */
 		id[83] &= 0x7FFF;
-		id[83] |= 0x4000;	/* Word 83 is valid */
+		id[83] |= 0x4400;	/* Word 83 is valid and LBA48 */
 		id[86] |= 0x0400;	/* LBA48 on */
 		id[ATA_ID_MAJOR_VER] |= 0x1F;
 	}