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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
steinar/wifi_calib_4_9_kernel
Lior Amsalem 2015-06-30 16:09:49 +02:00 committed by Tejun Heo
parent d770e558e2
commit 945b47441d
1 changed files with 7 additions and 0 deletions
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7
drivers/ata/libata-pmp.c
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@ -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;
}
}
}