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path: root/drivers/scsi/libsas/sas_ata.c
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Diffstat (limited to 'drivers/scsi/libsas/sas_ata.c')
-rw-r--r--drivers/scsi/libsas/sas_ata.c83
1 files changed, 38 insertions, 45 deletions
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index 024e5a550759..e9a86128f1f1 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -35,46 +35,40 @@ static enum ata_completion_errors sas_to_ata_err(struct task_status_struct *ts)
/* ts->resp == SAS_TASK_COMPLETE */
/* task delivered, what happened afterwards? */
switch (ts->stat) {
- case SAS_DEV_NO_RESPONSE:
- return AC_ERR_TIMEOUT;
-
- case SAS_INTERRUPTED:
- case SAS_PHY_DOWN:
- case SAS_NAK_R_ERR:
- return AC_ERR_ATA_BUS;
-
-
- case SAS_DATA_UNDERRUN:
- /*
- * Some programs that use the taskfile interface
- * (smartctl in particular) can cause underrun
- * problems. Ignore these errors, perhaps at our
- * peril.
- */
- return 0;
-
- case SAS_DATA_OVERRUN:
- case SAS_QUEUE_FULL:
- case SAS_DEVICE_UNKNOWN:
- case SAS_SG_ERR:
- return AC_ERR_INVALID;
-
- case SAS_OPEN_TO:
- case SAS_OPEN_REJECT:
- pr_warn("%s: Saw error %d. What to do?\n",
- __func__, ts->stat);
- return AC_ERR_OTHER;
-
- case SAM_STAT_CHECK_CONDITION:
- case SAS_ABORTED_TASK:
- return AC_ERR_DEV;
-
- case SAS_PROTO_RESPONSE:
- /* This means the ending_fis has the error
- * value; return 0 here to collect it */
- return 0;
- default:
- return 0;
+ case SAS_DEV_NO_RESPONSE:
+ return AC_ERR_TIMEOUT;
+ case SAS_INTERRUPTED:
+ case SAS_PHY_DOWN:
+ case SAS_NAK_R_ERR:
+ return AC_ERR_ATA_BUS;
+ case SAS_DATA_UNDERRUN:
+ /*
+ * Some programs that use the taskfile interface
+ * (smartctl in particular) can cause underrun
+ * problems. Ignore these errors, perhaps at our
+ * peril.
+ */
+ return 0;
+ case SAS_DATA_OVERRUN:
+ case SAS_QUEUE_FULL:
+ case SAS_DEVICE_UNKNOWN:
+ case SAS_SG_ERR:
+ return AC_ERR_INVALID;
+ case SAS_OPEN_TO:
+ case SAS_OPEN_REJECT:
+ pr_warn("%s: Saw error %d. What to do?\n",
+ __func__, ts->stat);
+ return AC_ERR_OTHER;
+ case SAM_STAT_CHECK_CONDITION:
+ case SAS_ABORTED_TASK:
+ return AC_ERR_DEV;
+ case SAS_PROTO_RESPONSE:
+ /* This means the ending_fis has the error
+ * value; return 0 here to collect it
+ */
+ return 0;
+ default:
+ return 0;
}
}
@@ -201,18 +195,17 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc)
memcpy(task->ata_task.atapi_packet, qc->cdb, qc->dev->cdb_len);
task->total_xfer_len = qc->nbytes;
task->num_scatter = qc->n_elem;
+ task->data_dir = qc->dma_dir;
+ } else if (qc->tf.protocol == ATA_PROT_NODATA) {
+ task->data_dir = DMA_NONE;
} else {
for_each_sg(qc->sg, sg, qc->n_elem, si)
xfer += sg_dma_len(sg);
task->total_xfer_len = xfer;
task->num_scatter = si;
- }
-
- if (qc->tf.protocol == ATA_PROT_NODATA)
- task->data_dir = DMA_NONE;
- else
task->data_dir = qc->dma_dir;
+ }
task->scatter = qc->sg;
task->ata_task.retry_count = 1;
task->task_state_flags = SAS_TASK_STATE_PENDING;