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Commit b17e5729 authored by Kai-Heng Feng's avatar Kai-Heng Feng Committed by Tejun Heo
Browse files

libata: disable LPM for Crucial BX100 SSD 500GB drive 

After Laptop Mode Tools starts to use min_power for LPM, a user found
out Crucial BX100 SSD can't get mounted.

Crucial BX100 SSD 500GB drive don't work well with min_power. This also
happens to med_power_with_dipm.

So let's disable LPM for Crucial BX100 SSD 500GB drive.

BugLink: https://bugs.launchpad.net/bugs/1726930


Signed-off-by: default avatarKai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
parent 9c7be59f

drivers/ata/libata-core.c

+3 −0
Original line number Diff line number Diff line
@@ -4530,6 +4530,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { 
	{ "PIONEER DVD-RW  DVR-212D",	NULL,	ATA_HORKAGE_NOSETXFER },

	{ "PIONEER DVD-RW  DVR-216D",	NULL,	ATA_HORKAGE_NOSETXFER },



	/* Crucial BX100 SSD 500GB has broken LPM support */

	{ "CT500BX100SSD1",		"MU02",	ATA_HORKAGE_NOLPM },



	/* The 512GB version of the MX100 has both queued TRIM and LPM issues */

	{ "Crucial_CT512MX100*",	NULL,	ATA_HORKAGE_NO_NCQ_TRIM |

						ATA_HORKAGE_ZERO_AFTER_TRIM |