From: Diego Viola <diego.viola@gmail.com>
Date: Fri, 26 Oct 2018 13:45:16 +0000 (-0300)
Subject: libata: Apply NOLPM quirk for SAMSUNG MZ7TD256HAFV-000L9
X-Git-Tag: v4.18.19~220
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=363e948fcc3abda012cef77dfce687a24a2684c8;p=thirdparty%2Fkernel%2Fstable.git

libata: Apply NOLPM quirk for SAMSUNG MZ7TD256HAFV-000L9

[ Upstream commit a435ab4f80f983c53b4ca4f8c12b3ddd3ca17670 ]

med_power_with_dipm causes my T450 to freeze with a SAMSUNG
MZ7TD256HAFV-000L9 SSD (firmware DXT02L5Q).

Switching the LPM to max_performance fixes this issue.

Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Diego Viola <diego.viola@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@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 99bf0c0394f8a..321a9579556d7 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4552,6 +4552,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
 	/* These specific Samsung models/firmware-revs do not handle LPM well */
 	{ "SAMSUNG MZMPC128HBFU-000MV", "CXM14M1Q", ATA_HORKAGE_NOLPM, },
 	{ "SAMSUNG SSD PM830 mSATA *",  "CXM13D1Q", ATA_HORKAGE_NOLPM, },
+	{ "SAMSUNG MZ7TD256HAFV-000L9", "DXT02L5Q", ATA_HORKAGE_NOLPM, },
 
 	/* devices that don't properly handle queued TRIM commands */
 	{ "Micron_M500IT_*",		"MU01",	ATA_HORKAGE_NO_NCQ_TRIM |