]> git.ipfire.org Git - thirdparty/kernel/stable.git/commitdiff
libata: disable LPM for Crucial BX100 SSD 500GB drive
authorKai-Heng Feng <kai.heng.feng@canonical.com>
Sun, 18 Feb 2018 14:17:09 +0000 (22:17 +0800)
committerSasha Levin <alexander.levin@microsoft.com>
Wed, 23 May 2018 01:33:53 +0000 (21:33 -0400)
[ Upstream commit b17e5729a630d8326a48ec34ef02e6b4464a6aef ]

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: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
drivers/ata/libata-core.c

index 891d5af36772f94b6e57148ce623315c77f6ba68..6c202fe2e548c719642fa20bd2015985ee38d452 100644 (file)
@@ -4226,6 +4226,9 @@ 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 |