diff options
Diffstat (limited to 'drivers/scsi/hisi_sas/hisi_sas_main.c')
-rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_main.c | 56 |
1 files changed, 48 insertions, 8 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index fd9d82c9033d..f478d1f50dfc 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -906,6 +906,9 @@ static void hisi_sas_phy_set_linkrate(struct hisi_hba *hisi_hba, int phy_no, _r.maximum_linkrate = max; _r.minimum_linkrate = min; + sas_phy->phy->maximum_linkrate = max; + sas_phy->phy->minimum_linkrate = min; + hisi_hba->hw->phy_disable(hisi_hba, phy_no); msleep(100); hisi_hba->hw->phy_set_linkrate(hisi_hba, phy_no, &_r); @@ -952,8 +955,7 @@ static int hisi_sas_control_phy(struct asd_sas_phy *sas_phy, enum phy_func func, static void hisi_sas_task_done(struct sas_task *task) { - if (!del_timer(&task->slow_task->timer)) - return; + del_timer(&task->slow_task->timer); complete(&task->slow_task->completion); } @@ -962,13 +964,17 @@ static void hisi_sas_tmf_timedout(struct timer_list *t) struct sas_task_slow *slow = from_timer(slow, t, timer); struct sas_task *task = slow->task; unsigned long flags; + bool is_completed = true; spin_lock_irqsave(&task->task_state_lock, flags); - if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) + if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) { task->task_state_flags |= SAS_TASK_STATE_ABORTED; + is_completed = false; + } spin_unlock_irqrestore(&task->task_state_lock, flags); - complete(&task->slow_task->completion); + if (!is_completed) + complete(&task->slow_task->completion); } #define TASK_TIMEOUT 20 @@ -1021,8 +1027,16 @@ static int hisi_sas_exec_internal_tmf_task(struct domain_device *device, struct hisi_sas_slot *slot = task->lldd_task; dev_err(dev, "abort tmf: TMF task timeout and not done\n"); - if (slot) + if (slot) { + struct hisi_sas_cq *cq = + &hisi_hba->cq[slot->dlvry_queue]; + /* + * flush tasklet to avoid free'ing task + * before using task in IO completion + */ + tasklet_kill(&cq->tasklet); slot->task = NULL; + } goto ex_err; } else @@ -1398,6 +1412,17 @@ static int hisi_sas_abort_task(struct sas_task *task) spin_lock_irqsave(&task->task_state_lock, flags); if (task->task_state_flags & SAS_TASK_STATE_DONE) { + struct hisi_sas_slot *slot = task->lldd_task; + struct hisi_sas_cq *cq; + + if (slot) { + /* + * flush tasklet to avoid free'ing task + * before using task in IO completion + */ + cq = &hisi_hba->cq[slot->dlvry_queue]; + tasklet_kill(&cq->tasklet); + } spin_unlock_irqrestore(&task->task_state_lock, flags); rc = TMF_RESP_FUNC_COMPLETE; goto out; @@ -1453,12 +1478,19 @@ static int hisi_sas_abort_task(struct sas_task *task) /* SMP */ struct hisi_sas_slot *slot = task->lldd_task; u32 tag = slot->idx; + struct hisi_sas_cq *cq = &hisi_hba->cq[slot->dlvry_queue]; rc = hisi_sas_internal_task_abort(hisi_hba, device, HISI_SAS_INT_ABT_CMD, tag); if (((rc < 0) || (rc == TMF_RESP_FUNC_FAILED)) && - task->lldd_task) - hisi_sas_do_release_task(hisi_hba, task, slot); + task->lldd_task) { + /* + * flush tasklet to avoid free'ing task + * before using task in IO completion + */ + tasklet_kill(&cq->tasklet); + slot->task = NULL; + } } out: @@ -1825,8 +1857,16 @@ hisi_sas_internal_task_abort(struct hisi_hba *hisi_hba, if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) { struct hisi_sas_slot *slot = task->lldd_task; - if (slot) + if (slot) { + struct hisi_sas_cq *cq = + &hisi_hba->cq[slot->dlvry_queue]; + /* + * flush tasklet to avoid free'ing task + * before using task in IO completion + */ + tasklet_kill(&cq->tasklet); slot->task = NULL; + } dev_err(dev, "internal task abort: timeout and not done.\n"); res = -EIO; goto exit; |