]> asedeno.scripts.mit.edu Git - linux.git/commitdiff
libata: Apply NOLPM quirk for SAMSUNG MZ7TD256HAFV-000L9
authorDiego Viola <diego.viola@gmail.com>
Fri, 26 Oct 2018 13:45:16 +0000 (10:45 -0300)
committerJens Axboe <axboe@kernel.dk>
Fri, 26 Oct 2018 14:21:04 +0000 (08:21 -0600)
med_power_with_dipm causes my T450 to freeze with a SAMSUNG
MZ7TD256HAFV-000L9 SSD (firmware DXT02L5Q).

Switching the LPM to max_performance fixes this issue.

Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Diego Viola <diego.viola@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/ata/libata-core.c

index a9dd4ea7467df60912baca1fd7ebfeb91c9d2988..6e594644cb1d360dabbdf3a4b68851a45c5bfb0f 100644 (file)
@@ -4553,6 +4553,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
        /* These specific Samsung models/firmware-revs do not handle LPM well */
        { "SAMSUNG MZMPC128HBFU-000MV", "CXM14M1Q", ATA_HORKAGE_NOLPM, },
        { "SAMSUNG SSD PM830 mSATA *",  "CXM13D1Q", ATA_HORKAGE_NOLPM, },
+       { "SAMSUNG MZ7TD256HAFV-000L9", "DXT02L5Q", ATA_HORKAGE_NOLPM, },
 
        /* devices that don't properly handle queued TRIM commands */
        { "Micron_M500IT_*",            "MU01", ATA_HORKAGE_NO_NCQ_TRIM |