3.16.63-rc1 review patch. If anyone has any objections, please let me know.
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From: Diego Viola diego.viola@gmail.com
commit a435ab4f80f983c53b4ca4f8c12b3ddd3ca17670 upstream.
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 Signed-off-by: Ben Hutchings ben@decadent.org.uk --- drivers/ata/libata-core.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4249,6 +4249,7 @@ static const struct ata_blacklist_entry /* 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, },