libata-pmp: add support for Thermaltake BlackX Duet esata drive dock
Some errors still show up, but the dock works, both drives can be
accessed at the same time
The chip maker and designation is unknown - possibly jmicron JMB350?
Signed-off-by: Pavel Herrmann <morpheus.ibis@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c
index 3120596..f06b7ea 100644
--- a/drivers/ata/libata-pmp.c
+++ b/drivers/ata/libata-pmp.c
@@ -449,6 +449,16 @@
* otherwise. Don't try hard to recover it.
*/
ap->pmp_link[ap->nr_pmp_links - 1].flags |= ATA_LFLAG_NO_RETRY;
+ } else if (vendor == 0x197b && devid == 0x2352) {
+ /* chip found in Thermaltake BlackX Duet, jmicron JMB350? */
+ ata_for_each_link(link, ap, EDGE) {
+ /* SRST breaks detection and disks get misclassified
+ * LPM disabled to avoid potential problems
+ */
+ link->flags |= ATA_LFLAG_NO_LPM |
+ ATA_LFLAG_NO_SRST |
+ ATA_LFLAG_ASSUME_ATA;
+ }
}
}