From: Arne Fitzenreiter <[email protected]>

This patch has been added to the 3.18 stable tree. If you have any
objections, please let us know.

===============

[ Upstream commit cda57b1b05cf7b8b99ab4b732bea0b05b6c015cc ]

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

Signed-off-by: Arne Fitzenreiter <[email protected]>
Signed-off-by: Tejun Heo <[email protected]>
Cc: [email protected]
Signed-off-by: Sasha Levin <[email protected]>
---
 drivers/ata/libata-core.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index c40fca4..2247b0c 100644
--- 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
-- 
2.1.4

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