Commit 945b4744 authored Jun 30, 2015 by Lior Amsalem Committed by Tejun Heo Jul 14, 2015

ata: pmp: add quirk for Marvell 4140 SATA PMP



This commit adds the necessary quirk to make the Marvell 4140 SATA PMP
work properly. This PMP doesn't like SRST on port number 4 (the host
port) so this commit marks this port as not supporting SRST.

Signed-off-by: Lior Amsalem <alior@marvell.com>
Reviewed-by: Nadav Haklai <nadavh@marvell.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org

parent d770e558

drivers/ata/libata-pmp.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -460,6 +460,13 @@ static void sata_pmp_quirks(struct ata_port *ap)
		ATA_LFLAG_NO_SRST \|
		ATA_LFLAG_ASSUME_ATA;
		}
		} else if (vendor == 0x11ab && devid == 0x4140) {
		/* Marvell 4140 quirks */
		ata_for_each_link(link, ap, EDGE) {
		/* port 4 is for SEMB device and it doesn't like SRST */
		if (link->pmp == 4)
		link->flags \|= ATA_LFLAG_DISABLED;
		}
		}
		}