diff options
| -rw-r--r-- | drivers/dma/hisi_dma.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/dma/hisi_dma.c b/drivers/dma/hisi_dma.c index 08ec90dd4c46..8f1651367310 100644 --- a/drivers/dma/hisi_dma.c +++ b/drivers/dma/hisi_dma.c @@ -276,7 +276,6 @@ static void hisi_dma_start_transfer(struct hisi_dma_chan *chan) vd = vchan_next_desc(&chan->vc); if (!vd) { - dev_err(&hdma_dev->pdev->dev, "no issued task!\n"); chan->desc = NULL; return; } @@ -308,7 +307,7 @@ static void hisi_dma_issue_pending(struct dma_chan *c) spin_lock_irqsave(&chan->vc.lock, flags); - if (vchan_issue_pending(&chan->vc)) + if (vchan_issue_pending(&chan->vc) && !chan->desc) hisi_dma_start_transfer(chan); spin_unlock_irqrestore(&chan->vc.lock, flags); @@ -447,11 +446,10 @@ static irqreturn_t hisi_dma_irq(int irq, void *data) chan->qp_num, chan->cq_head); if (FIELD_GET(STATUS_MASK, cqe->w0) == STATUS_SUCC) { vchan_cookie_complete(&desc->vd); + hisi_dma_start_transfer(chan); } else { dev_err(&hdma_dev->pdev->dev, "task error!\n"); } - - chan->desc = NULL; } spin_unlock_irqrestore(&chan->vc.lock, flags); |