libata: no need to speed down if already at PIO0

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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>

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Tejun Heo 2007-10-29 16:45:05 +09:00 • committed by Jeff Garzik

parent cdeab11407

commit 4fb4615bc9

1 changed files with 1 additions and 1 deletions

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drivers/ata/libata-eh.c

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