libata: force disable trim for SuperSSpeed S238

commit cda57b1b05cf7b8b99ab4b732bea0b05b6c015cc upstream.

This device loses blocks, often the partition table area, on trim.
Disable TRIM.
http://pcengines.ch/msata16a.htm

Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 549191bf789913c57e52e44fffc8b0e09e418653..41c99be9bd41274270675f7820843de9d535f0f1 100644 (file)
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4249,6 +4249,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
        { "Samsung SSD 8*",             NULL,   ATA_HORKAGE_NO_NCQ_TRIM |
                                                ATA_HORKAGE_ZERO_AFTER_TRIM, },
 
+       /* devices that don't properly handle TRIM commands */
+       { "SuperSSpeed S238*",          NULL,   ATA_HORKAGE_NOTRIM, },
+
        /*
         * As defined, the DRAT (Deterministic Read After Trim) and RZAT
         * (Return Zero After Trim) flags in the ATA Command Set are