diff options
Diffstat (limited to 'drivers/net/wwan/t7xx/t7xx_hif_cldma.c')
| -rw-r--r-- | drivers/net/wwan/t7xx/t7xx_hif_cldma.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/wwan/t7xx/t7xx_hif_cldma.c b/drivers/net/wwan/t7xx/t7xx_hif_cldma.c index 90306eb9858b..46066dcd2607 100644 --- a/drivers/net/wwan/t7xx/t7xx_hif_cldma.c +++ b/drivers/net/wwan/t7xx/t7xx_hif_cldma.c @@ -934,6 +934,7 @@ int t7xx_cldma_send_skb(struct cldma_ctrl *md_ctrl, int qno, struct sk_buff *skb if (ret < 0 && ret != -EACCES) return ret; + t7xx_pci_disable_sleep(md_ctrl->t7xx_dev); queue = &md_ctrl->txq[qno]; spin_lock_irqsave(&md_ctrl->cldma_lock, flags); @@ -955,6 +956,11 @@ int t7xx_cldma_send_skb(struct cldma_ctrl *md_ctrl, int qno, struct sk_buff *skb queue->tx_next = list_next_entry_circular(tx_req, gpd_ring, entry); spin_unlock_irqrestore(&queue->ring_lock, flags); + if (!t7xx_pci_sleep_disable_complete(md_ctrl->t7xx_dev)) { + ret = -ETIMEDOUT; + break; + } + /* Protect the access to the modem for queues operations (resume/start) * which access shared locations by all the queues. * cldma_lock is independent of ring_lock which is per queue. @@ -967,6 +973,11 @@ int t7xx_cldma_send_skb(struct cldma_ctrl *md_ctrl, int qno, struct sk_buff *skb } spin_unlock_irqrestore(&queue->ring_lock, flags); + if (!t7xx_pci_sleep_disable_complete(md_ctrl->t7xx_dev)) { + ret = -ETIMEDOUT; + break; + } + if (!t7xx_cldma_hw_queue_status(&md_ctrl->hw_info, qno, MTK_TX)) { spin_lock_irqsave(&md_ctrl->cldma_lock, flags); t7xx_cldma_hw_resume_queue(&md_ctrl->hw_info, qno, MTK_TX); @@ -977,6 +988,7 @@ int t7xx_cldma_send_skb(struct cldma_ctrl *md_ctrl, int qno, struct sk_buff *skb } while (!ret); allow_sleep: + t7xx_pci_enable_sleep(md_ctrl->t7xx_dev); pm_runtime_mark_last_busy(md_ctrl->dev); pm_runtime_put_autosuspend(md_ctrl->dev); return ret; |