diff options
Diffstat (limited to 'drivers/s390/crypto/ap_queue.c')
| -rw-r--r-- | drivers/s390/crypto/ap_queue.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c index d70c4d3d0907..1901449768dd 100644 --- a/drivers/s390/crypto/ap_queue.c +++ b/drivers/s390/crypto/ap_queue.c @@ -20,7 +20,7 @@ static void __ap_flush_queue(struct ap_queue *aq); /** * ap_queue_enable_irq(): Enable interrupt support on this AP queue. - * @qid: The AP queue number + * @aq: The AP queue * @ind: the notification indicator byte * * Enables interruption on AP queue via ap_aqic(). Based on the return @@ -157,6 +157,8 @@ static struct ap_queue_status ap_sm_recv(struct ap_queue *aq) switch (status.response_code) { case AP_RESPONSE_NORMAL: aq->queue_count = max_t(int, 0, aq->queue_count - 1); + if (!status.queue_empty && !aq->queue_count) + aq->queue_count++; if (aq->queue_count > 0) mod_timer(&aq->timeout, jiffies + aq->request_timeout); @@ -246,6 +248,7 @@ static enum ap_sm_wait ap_sm_write(struct ap_queue *aq) if (aq->requestq_count <= 0) return AP_SM_WAIT_NONE; + /* Start the next request on the queue. */ ap_msg = list_entry(aq->requestq.next, struct ap_message, list); #ifdef CONFIG_ZCRYPT_DEBUG @@ -279,7 +282,7 @@ static enum ap_sm_wait ap_sm_write(struct ap_queue *aq) aq->sm_state = AP_SM_STATE_RESET_WAIT; return AP_SM_WAIT_TIMEOUT; case AP_RESPONSE_INVALID_DOMAIN: - AP_DBF(DBF_WARN, "AP_RESPONSE_INVALID_DOMAIN on NQAP\n"); + AP_DBF_WARN("%s RESPONSE_INVALID_DOMAIN on NQAP\n", __func__); fallthrough; case AP_RESPONSE_MESSAGE_TOO_BIG: case AP_RESPONSE_REQ_FAC_NOT_INST: @@ -311,7 +314,7 @@ static enum ap_sm_wait ap_sm_read_write(struct ap_queue *aq) /** * ap_sm_reset(): Reset an AP queue. - * @qid: The AP queue number + * @aq: The AP queue * * Submit the Reset command to an AP queue. */ @@ -571,8 +574,8 @@ static ssize_t reset_store(struct device *dev, ap_wait(ap_sm_event(aq, AP_SM_EVENT_POLL)); spin_unlock_bh(&aq->lock); - AP_DBF(DBF_INFO, "reset queue=%02x.%04x triggered by user\n", - AP_QID_CARD(aq->qid), AP_QID_QUEUE(aq->qid)); + AP_DBF_INFO("%s reset queue=%02x.%04x triggered by user\n", + __func__, AP_QID_CARD(aq->qid), AP_QID_QUEUE(aq->qid)); return count; } |