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libata: hardreset on SERR_INTERNAL 

There was a rare report where SB600 reported SERR_INTERNAL and SRST
couldn't get it out of the failure mode.  Hardreset on SERR_INTERNAL.
As the problem is intermittent, whether this fixes the problem or not
hasn't been verified yet, but hardresetting the channel on internal
error is a good idea anyway.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Tejun Heo 2007-03-14 01:20:51 +09:00 committed by Jeff Garzik
parent 176efb0544
commit 771b8dad96
1 changed files with 1 additions and 1 deletions
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2
drivers/ata/libata-eh.c
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@ -1056,7 +1056,7 @@ static void ata_eh_analyze_serror(struct ata_port *ap)
}
if (serror & SERR_INTERNAL) {
err_mask |= AC_ERR_SYSTEM;
action |= ATA_EH_SOFTRESET;
action |= ATA_EH_HARDRESET;
}
if (serror & (SERR_PHYRDY_CHG | SERR_DEV_XCHG))
ata_ehi_hotplugged(&ehc->i);