libata: force disable trim for SuperSSpeed S238

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>
Cc: stable@vger.kernel.org

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 58a6db8..ed2b218 100644 (file)
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4239,6 +4239,9 @@ 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