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Commit aa3bbb8d authored by Diego Viola's avatar Diego Viola Committed by Greg Kroah-Hartman
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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: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarDiego Viola <diego.viola@gmail.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 27baa32c

drivers/ata/libata-core.c

+1 −0
Original line number Diff line number Diff line
@@ -4553,6 +4553,7 @@ 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 |