diff options
Diffstat (limited to 'drivers/staging/mt7621-dma/ralink-gdma.c')
-rw-r--r-- | drivers/staging/mt7621-dma/ralink-gdma.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/drivers/staging/mt7621-dma/ralink-gdma.c b/drivers/staging/mt7621-dma/ralink-gdma.c index 73dbc7fe38a2..792a63bd55d4 100644 --- a/drivers/staging/mt7621-dma/ralink-gdma.c +++ b/drivers/staging/mt7621-dma/ralink-gdma.c @@ -459,12 +459,14 @@ static void gdma_dma_chan_irq(struct gdma_dma_dev *dma_dev, list_del(&desc->vdesc.node); vchan_cookie_complete(&desc->vdesc); chan_issued = gdma_next_desc(chan); - } else + } else { chan_issued = 1; + } } - } else + } else { dev_dbg(dma_dev->ddev.dev, "chan %d no desc to complete\n", chan->id); + } if (chan_issued) set_bit(chan->id, &dma_dev->chan_issued); spin_unlock_irqrestore(&chan->vchan.lock, flags); @@ -512,9 +514,10 @@ static void gdma_dma_issue_pending(struct dma_chan *c) if (gdma_next_desc(chan)) { set_bit(chan->id, &dma_dev->chan_issued); tasklet_schedule(&dma_dev->task); - } else + } else { dev_dbg(dma_dev->ddev.dev, "chan %d no desc to issue\n", chan->id); + } } spin_unlock_irqrestore(&chan->vchan.lock, flags); } @@ -537,11 +540,11 @@ static struct dma_async_tx_descriptor *gdma_dma_prep_slave_sg( desc->residue = 0; for_each_sg(sgl, sg, sg_len, i) { - if (direction == DMA_MEM_TO_DEV) + if (direction == DMA_MEM_TO_DEV) { desc->sg[i].src_addr = sg_dma_address(sg); - else if (direction == DMA_DEV_TO_MEM) + } else if (direction == DMA_DEV_TO_MEM) { desc->sg[i].dst_addr = sg_dma_address(sg); - else { + } else { dev_err(c->device->dev, "direction type %d error\n", direction); goto free_desc; @@ -637,11 +640,11 @@ static struct dma_async_tx_descriptor *gdma_dma_prep_dma_cyclic( desc->residue = buf_len; for (i = 0; i < num_periods; i++) { - if (direction == DMA_MEM_TO_DEV) + if (direction == DMA_MEM_TO_DEV) { desc->sg[i].src_addr = buf_addr; - else if (direction == DMA_DEV_TO_MEM) + } else if (direction == DMA_DEV_TO_MEM) { desc->sg[i].dst_addr = buf_addr; - else { + } else { dev_err(c->device->dev, "direction type %d error\n", direction); goto free_desc; @@ -737,9 +740,9 @@ static void gdma_dma_tasklet(unsigned long arg) if (chan->desc) { atomic_inc(&dma_dev->cnt); gdma_start_transfer(dma_dev, chan); - } else + } else { dev_dbg(dma_dev->ddev.dev, "chan %d no desc to issue\n", chan->id); - + } if (!dma_dev->chan_issued) break; } |