libata: request PHY speed configuration on SControl access failure

In sata_set_spd_needed(), if SControl read failed, it returned 0 and
skipped PHY speed configuration.  However, if SControl access fails,
it's far more logical to request PHY speed configuration.  Reverse the
logic.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 24b3bd6..3a1ec4e 100644 (file)
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2784,7 +2784,7 @@ int sata_set_spd_needed(struct ata_link *link)
        u32 scontrol;
 
        if (sata_scr_read(link, SCR_CONTROL, &scontrol))
-               return 0;
+               return 1;
 
        return __sata_set_spd_needed(link, &scontrol);
 }