diff options
Diffstat (limited to 'drivers/dma/imx-sdma.c')
| -rw-r--r-- | drivers/dma/imx-sdma.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index fb4f499..1dc2a4a 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -815,8 +815,6 @@ static int sdma_request_channel(struct sdma_channel *sdmac) init_completion(&sdmac->done); - sdmac->buf_tail = 0; - return 0; out: @@ -927,6 +925,8 @@ static struct dma_async_tx_descriptor *sdma_prep_slave_sg( sdmac->flags = 0; + sdmac->buf_tail = 0; + dev_dbg(sdma->dev, "setting up %d entries for channel %d.\n", sg_len, channel); @@ -1027,6 +1027,8 @@ static struct dma_async_tx_descriptor *sdma_prep_dma_cyclic( sdmac->status = DMA_IN_PROGRESS; + sdmac->buf_tail = 0; + sdmac->flags |= IMX_DMA_SG_LOOP; sdmac->direction = direction; ret = sdma_load_context(sdmac); |