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authorLior Amsalem <alior@marvell.com>2015-06-30 16:09:49 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-08-10 12:21:05 -0700
commitd30c6ffd66e05da681d800ae6fbf5f01b4b20064 (patch)
tree8fb10a711e8584eadaf82c99335ac9b42caefa6d /drivers
parentbdae476bfc87b92414a633211194e21100163404 (diff)
downloadlwn-d30c6ffd66e05da681d800ae6fbf5f01b4b20064.tar.gz
lwn-d30c6ffd66e05da681d800ae6fbf5f01b4b20064.zip
ata: pmp: add quirk for Marvell 4140 SATA PMP
commit 945b47441d83d2392ac9f984e0267ad521f24268 upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ata/libata-pmp.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c
index 7ccc084bf1df..85aa76116a30 100644
--- a/drivers/ata/libata-pmp.c
+++ b/drivers/ata/libata-pmp.c
@@ -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;
+ }
}
}