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authorKai-Heng Feng <kai.heng.feng@canonical.com>2018-02-18 22:17:09 +0800
committerTejun Heo <tj@kernel.org>2018-02-20 13:30:42 -0800
commitb17e5729a630d8326a48ec34ef02e6b4464a6aef (patch)
tree168a923582040d541ee3474497cd4a29dea65b9c /drivers/ata
parent9c7be59fc519af9081c46c48f06f2b8fadf55ad8 (diff)
downloadlinux-b17e5729a630d8326a48ec34ef02e6b4464a6aef.tar.bz2
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: Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by: Tejun Heo <tj@kernel.org> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/libata-core.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 28cad49fc846..cb789f8849ae 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -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 |