| Message ID | 20180218141709.24913-1-kai.heng.feng@canonical.com |
|---|---|
| State | Not Applicable |
| Delegated to: | David Miller |
| Headers | show |
| Series | [v2] libata: disable LPM for Crucial BX100 SSD 500GB drive | expand |
On Sun, Feb 18, 2018 at 10:17:09PM +0800, Kai-Heng Feng wrote: > 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> Applied to libata/for-4.16-fixes. Thanks.
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 |
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> --- v2: Only apply the quirk to 500GB variant with firmware version MU02, also reorder the quirk entry to make it next to other Crucial disks. drivers/ata/libata-core.c | 3 +++ 1 file changed, 3 insertions(+)