diff options
Diffstat (limited to 'drivers/scsi/isci/host.c')
| -rw-r--r-- | drivers/scsi/isci/host.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c index b425ed523cc..b0afa448615 100644 --- a/drivers/scsi/isci/host.c +++ b/drivers/scsi/isci/host.c @@ -1044,7 +1044,7 @@ static enum sci_status sci_controller_start(struct isci_host *ihost, return SCI_SUCCESS; } -void isci_host_scan_start(struct Scsi_Host *shost) +void isci_host_start(struct Scsi_Host *shost) { struct isci_host *ihost = SHOST_TO_SAS_HA(shost)->lldd_ha; unsigned long tmo = sci_controller_get_suggested_start_timeout(ihost); @@ -1079,7 +1079,6 @@ static void sci_controller_completion_handler(struct isci_host *ihost) void ireq_done(struct isci_host *ihost, struct isci_request *ireq, struct sas_task *task) { - task->lldd_task = NULL; if (!test_bit(IREQ_ABORT_PATH_ACTIVE, &ireq->flags) && !(task->task_state_flags & SAS_TASK_STATE_ABORTED)) { if (test_bit(IREQ_COMPLETE_IN_TARGET, &ireq->flags)) { @@ -1087,16 +1086,19 @@ void ireq_done(struct isci_host *ihost, struct isci_request *ireq, struct sas_ta dev_dbg(&ihost->pdev->dev, "%s: Normal - ireq/task = %p/%p\n", __func__, ireq, task); - + task->lldd_task = NULL; task->task_done(task); } else { dev_dbg(&ihost->pdev->dev, "%s: Error - ireq/task = %p/%p\n", __func__, ireq, task); - + if (sas_protocol_ata(task->task_proto)) + task->lldd_task = NULL; sas_task_abort(task); } - } + } else + task->lldd_task = NULL; + if (test_and_clear_bit(IREQ_ABORT_PATH_ACTIVE, &ireq->flags)) wake_up_all(&ihost->eventq); @@ -1120,10 +1122,16 @@ void isci_host_completion_routine(unsigned long data) sci_controller_completion_handler(ihost); spin_unlock_irq(&ihost->scic_lock); - /* the coalesence timeout doubles at each encoding step, so + /* + * we subtract SCI_MAX_PORTS to account for the number of dummy TCs + * issued for hardware issue workaround + */ + active = isci_tci_active(ihost) - SCI_MAX_PORTS; + + /* + * the coalesence timeout doubles at each encoding step, so * update it based on the ilog2 value of the outstanding requests */ - active = isci_tci_active(ihost); writel(SMU_ICC_GEN_VAL(NUMBER, active) | SMU_ICC_GEN_VAL(TIMER, ISCI_COALESCE_BASE + ilog2(active)), &ihost->smu_registers->interrupt_coalesce_control); |