3.16.63-rc1 review patch. If anyone has any objections, please let me know.
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From: François Cami fcami@fedoraproject.org
commit 76936e9a6df17b89481bd2655c8684291afbe656 upstream.
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 fcami@fedoraproject.org Acked-by: Hans de Goede hdegoede@redhat.com Signed-off-by: Tejun Heo tj@kernel.org Signed-off-by: Ben Hutchings ben@decadent.org.uk --- drivers/ata/libata-core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4246,8 +4246,9 @@ static const struct ata_blacklist_entry { "Crucial_CT960M500*", NULL, ATA_HORKAGE_NO_NCQ_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, },
/* devices that don't properly handle queued TRIM commands */ { "Micron_M500IT_*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM, },