diff options
| author | Kai-Heng Feng <kai.heng.feng@canonical.com> | 2018-02-18 22:17:09 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-03-28 18:40:14 +0200 |
| commit | 6ebd126d886d2f584c989769551ae0f2b6f2e087 (patch) | |
| tree | 3d950be2722beb981a89c7f80be1640c03b90cd5 | |
| parent | 2b69573ceefabd7c20d72ade03fb89b49f994543 (diff) | |
libata: disable LPM for Crucial BX100 SSD 500GB drive
commit b17e5729a630d8326a48ec34ef02e6b4464a6aef upstream.
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/ata/libata-core.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 10364df55df4..8a7a3d4e6025 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4224,6 +4224,9 @@ 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 | |