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Subject[PATCH 4.1 092/267] libata: force disable trim for SuperSSpeed S238
Date
4.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arne Fitzenreiter <arne_f@ipfire.org>

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>

---
drivers/ata/libata-core.c | 3 +++
1 file changed, 3 insertions(+)

--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4249,6 +4249,9 @@ static const struct ata_blacklist_entry
{ "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



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