Re: [PATCH v3] libata: Apply NOLPM quirk for SAMSUNG MZ7TD256HAFV-000L9

From: Hans de Goede
Date: Fri Oct 26 2018 - 09:54:19 EST


Hi,

On 26-10-18 15:45, Diego Viola wrote:
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.

Signed-off-by: Diego Viola <diego.viola@xxxxxxxxx>

Thanks, looks good to me:

Acked-by: Hans de Goede <hdegoede@xxxxxxxxxx>

Regards,

Hans


---
drivers/ata/libata-core.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index a9dd4ea7467d..6e594644cb1d 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -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 |