diff options
| author | Hannes Reinecke <hare@suse.de> | 2016-07-14 09:05:48 +0900 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2016-07-15 08:08:13 -0400 |
| commit | 5b844b63ddfb65aef923eaabe0420196fd71dd13 (patch) | |
| tree | 6bc13465e720117bdeb105fd0e8df481c2fe2711 /drivers/ata/libata-scsi.c | |
| parent | 5b51ba6178f5502e6ab1bba75e91a365bc4c718b (diff) | |
ata: Handle ATA NCQ NO-DATA commands correctly
Add a new taskfile protocol ATA_PROT_NCQ_NODATA to handle
ATA NCQ NO-DATA commands correctly.
And fixup ata_scsi_zbc_out_xlat() to use it.
Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/ata/libata-scsi.c')
| -rw-r--r-- | drivers/ata/libata-scsi.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 0447a391fb7a..901b46a6e993 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -3082,6 +3082,9 @@ static unsigned int ata_scsi_pass_thru(struct ata_queued_cmd *qc) goto invalid_fld; } + if (ata_is_ncq(tf->protocol) && (cdb[2] & 0x3) == 0) + tf->protocol = ATA_PROT_NCQ_NODATA; + /* enable LBA */ tf->flags |= ATA_TFLAG_LBA; @@ -3548,7 +3551,7 @@ static unsigned int ata_scsi_zbc_out_xlat(struct ata_queued_cmd *qc) if (ata_ncq_enabled(qc->dev) && ata_fpdma_zac_mgmt_out_supported(qc->dev)) { - tf->protocol = ATA_PROT_NCQ; + tf->protocol = ATA_PROT_NCQ_NODATA; tf->command = ATA_CMD_NCQ_NON_DATA; tf->hob_nsect = ATA_SUBCMD_NCQ_NON_DATA_ZAC_MGMT_OUT; tf->nsect = qc->tag << 3; |