diff options
Diffstat (limited to 'drivers/scsi/hpsa.h')
| -rw-r--r-- | drivers/scsi/hpsa.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h index 486a7c099246..79c36aaa2a37 100644 --- a/drivers/scsi/hpsa.h +++ b/drivers/scsi/hpsa.h @@ -246,9 +246,6 @@ static void SA5_submit_command(struct ctlr_info *h, c->Header.Tag.lower); writel(c->busaddr, h->vaddr + SA5_REQUEST_PORT_OFFSET); (void) readl(h->vaddr + SA5_SCRATCHPAD_OFFSET); - h->commands_outstanding++; - if (h->commands_outstanding > h->max_outstanding) - h->max_outstanding = h->commands_outstanding; } /* @@ -287,7 +284,7 @@ static void SA5_performant_intr_mask(struct ctlr_info *h, unsigned long val) static unsigned long SA5_performant_completed(struct ctlr_info *h, u8 q) { struct reply_pool *rq = &h->reply_queue[q]; - unsigned long register_value = FIFO_EMPTY; + unsigned long flags, register_value = FIFO_EMPTY; /* msi auto clears the interrupt pending bit. */ if (!(h->msi_vector || h->msix_vector)) { @@ -305,7 +302,9 @@ static unsigned long SA5_performant_completed(struct ctlr_info *h, u8 q) if ((rq->head[rq->current_entry] & 1) == rq->wraparound) { register_value = rq->head[rq->current_entry]; rq->current_entry++; + spin_lock_irqsave(&h->lock, flags); h->commands_outstanding--; + spin_unlock_irqrestore(&h->lock, flags); } else { register_value = FIFO_EMPTY; } @@ -338,9 +337,13 @@ static unsigned long SA5_completed(struct ctlr_info *h, { unsigned long register_value = readl(h->vaddr + SA5_REPLY_PORT_OFFSET); + unsigned long flags; - if (register_value != FIFO_EMPTY) + if (register_value != FIFO_EMPTY) { + spin_lock_irqsave(&h->lock, flags); h->commands_outstanding--; + spin_unlock_irqrestore(&h->lock, flags); + } #ifdef HPSA_DEBUG if (register_value != FIFO_EMPTY) |