From 76936e9a6df17b89481bd2655c8684291afbe656 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Fran=C3=A7ois=20Cami?= Date: Sun, 13 May 2018 20:11:15 +0200 Subject: [PATCH] libata: Apply NOLPM quirk for SAMSUNG PM830 CXM13D1Q. MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Without this patch the drive errors out regularly: [ 1.090154] ata1.00: ATA-8: SAMSUNG SSD PM830 mSATA 256GB, CXM13D1Q, max UDMA/133 (...) [ 345.154996] ata1.00: exception Emask 0x40 SAct 0x0 SErr 0xc0800 action 0x6 [ 345.155006] ata1.00: irq_stat 0x40000001 [ 345.155013] ata1: SError: { HostInt CommWake 10B8B } [ 345.155018] ata1.00: failed command: SET FEATURES [ 345.155032] ata1.00: cmd ef/05:e1:00:00:00/00:00:00:00:00/40 tag 7 res 51/04:e1:00:00:00/00:00:00:00:00/40 Emask 0x41 (internal error) [ 345.155038] ata1.00: status: { DRDY ERR } [ 345.155042] ata1.00: error: { ABRT } [ 345.155051] ata1: hard resetting link [ 345.465661] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300) [ 345.466955] ata1.00: configured for UDMA/133 [ 345.467085] ata1: EH complete Signed-off-by: François Cami Acked-by: Hans de Goede Signed-off-by: Tejun Heo --- drivers/ata/libata-core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index a2498f5cfb28..7ed2f009911a 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4553,8 +4553,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { ATA_HORKAGE_ZERO_AFTER_TRIM | ATA_HORKAGE_NOLPM, }, - /* This specific Samsung model/firmware-rev does not handle LPM well */ + /* 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, }, /* Sandisk devices which are known to not handle LPM well */ { "SanDisk SD7UB3Q*G1001", NULL, ATA_HORKAGE_NOLPM, }, -- 2.30.2