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libata: when restoring SControl during detach do the PMP links first

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When restoring SControl during detach, PMP links should be handled
first as changing SControl of the host link can affect SCR access of
PMP links.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Tejun Heo 2008-11-03 20:03:49 +09:00 committed by Jeff Garzik
parent 1eca4365be
commit ad74e4c18d
1 changed files with 1 additions and 1 deletions
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2
drivers/ata/libata-core.c
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@ -6123,7 +6123,7 @@ static void ata_port_detach(struct ata_port *ap)
/* EH is now guaranteed to see UNLOADING - EH context belongs
* to us. Restore SControl and disable all existing devices.
*/
ata_for_each_link(link, ap, HOST_FIRST) {
ata_for_each_link(link, ap, PMP_FIRST) {
sata_scr_write(link, SCR_CONTROL, link->saved_scontrol & 0xff0);
ata_for_each_dev(dev, link, ALL)
ata_dev_disable(dev);