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[PATCH] libata: revalidate after transfer mode configuration
author
Tejun Heo
<htejun@gmail.com>
Sun, 5 Mar 2006 08:55:58 +0000
(17:55 +0900)
committer
Jeff Garzik
<jeff@garzik.org>
Sun, 5 Mar 2006 16:09:42 +0000
(11:09 -0500)
Revalidate device after transfer mode configuration. This also makes
dev->id up-to-date.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
drivers/scsi/libata-core.c
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diff --git
a/drivers/scsi/libata-core.c
b/drivers/scsi/libata-core.c
index
5d0adfa
..
5dbcf0c
100644
(file)
--- a/
drivers/scsi/libata-core.c
+++ b/
drivers/scsi/libata-core.c
@@
-1625,6
+1625,12
@@
static void ata_dev_set_mode(struct ata_port *ap, struct ata_device *dev)
idx = ofs + dev->xfer_shift;
WARN_ON(idx >= ARRAY_SIZE(xfer_mode_str));
+ if (ata_dev_revalidate(ap, dev, 0)) {
+ printk(KERN_ERR "ata%u: failed to revalidate after set "
+ "xfermode, disabled\n", ap->id);
+ ata_port_disable(ap);
+ }
+
DPRINTK("idx=%d xfer_shift=%u, xfer_mode=0x%x, base=0x%x, offset=%d\n",
idx, dev->xfer_shift, (int)dev->xfer_mode, (int)base, ofs);