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libata: SRST can't be trusted on PMP sil3726 

As in sil4726, SRST can't be trusted on sil3726 causing detection
problems under certain configuraitons.  I thought it was from the
Config Disk device but apparently not.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Tejun Heo 2008-05-21 14:11:24 +09:00 committed by Jeff Garzik
parent ec2a20e619
commit 19ef9d5e45
1 changed files with 5 additions and 2 deletions
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7
drivers/ata/libata-pmp.c
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@ -322,9 +322,12 @@ static void sata_pmp_quirks(struct ata_port *ap)
if (vendor == 0x1095 && devid == 0x3726) {
/* sil3726 quirks */
ata_port_for_each_link(link, ap) {
/* class code report is unreliable */
/* Class code report is unreliable and SRST
* times out under certain configurations.
*/
if (link->pmp < 5)
link->flags |= ATA_LFLAG_ASSUME_ATA;
link->flags |= ATA_LFLAG_NO_SRST |
ATA_LFLAG_ASSUME_ATA;
/* port 5 is for SEMB device and it doesn't like SRST */
if (link->pmp == 5)