tree fdd760b7dd485cb21ca5f6547e3db2335589aed0
parent cdeab1140799f09c5f728a5ff85e0bdfa5679cd2
author Tejun Heo <htejun@gmail.com> 1193643905 +0900
committer Jeff Garzik <jeff@garzik.org> 1193653293 -0400

libata: no need to speed down if already at PIO0

After reset, transfer mode is always PIO0 regardless of
dev->xfer_mask.  Check dev->pio_mode before trying to slow down after
configuration failure.  This prevents bogus speed down before device
is actually configured.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>