Commit 8048307d authored by Tejun Heo's avatar Tejun Heo Committed by Jeff Garzik
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libata-pmp: 4726 hates SRST 



4726 hates SRST even on non-config ports.  Don't use it.

Signed-off-by: default avatarTejun Heo <htejun@gmail.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent af183748

drivers/ata/libata-pmp.c

+5 −7
Original line number Diff line number Diff line
@@ -495,14 +495,12 @@ static void sata_pmp_quirks(struct ata_port *ap) 
			/* SError.N need a kick in the ass to get working */

			link->flags |= ATA_LFLAG_HRST_TO_RESUME;



			/* class code report is unreliable */

			if (link->pmp < 5)

				link->flags |= ATA_LFLAG_ASSUME_ATA;



			/* The config device, which can be either at

			 * port 0 or 5, locks up on SRST.

			/* Class code report is unreliable and SRST

			 * times out under certain configurations.

			 * Config device can be at port 0 or 5 and

			 * locks up on SRST.

			 */

			if (link->pmp == 0 || link->pmp == 5)

			if (link->pmp <= 5)

				link->flags |= ATA_LFLAG_NO_SRST |

					       ATA_LFLAG_ASSUME_ATA;