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[PATCH 3.12 087/123] libata: force disable trim for SuperSSpeed S238

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From: Arne Fitzenreiter <arne_f@ipfire.org>

3.12-stable review patch.  If anyone has any objections, please let me know.

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

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: Jiri Slaby <jslaby@suse.cz>
---
 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 b0dbb166c844..1a495f18caf6 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4232,6 +4232,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
 	{ "Crucial_CT*MX100*",		"MU01",	ATA_HORKAGE_NO_NCQ_TRIM, },
 	{ "Samsung SSD 8*",		NULL,	ATA_HORKAGE_NO_NCQ_TRIM, },
 
+	/* devices that don't properly handle TRIM commands */
+	{ "SuperSSpeed S238*",		NULL,	ATA_HORKAGE_NOTRIM, },
+
 	/*
 	 * Some WD SATA-I drives spin up and down erratically when the link
 	 * is put into the slumber mode.  We don't have full list of the
-- 
2.5.0

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[PATCH 3.12 087/123] libata: force disable trim for SuperSSpeed S238 Jiri Slaby <jslaby@suse.cz> - 2015-08-04 17:00 +0200

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