diff options
Diffstat (limited to 'drivers/dma/imx-sdma.c')
| -rw-r--r-- | drivers/dma/imx-sdma.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index a8af379680c1..e58dbf638cc9 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -838,15 +838,12 @@ static dma_cookie_t sdma_tx_submit(struct dma_async_tx_descriptor *tx) { unsigned long flags; struct sdma_channel *sdmac = to_sdma_chan(tx->chan); - struct sdma_engine *sdma = sdmac->sdma; dma_cookie_t cookie; spin_lock_irqsave(&sdmac->lock, flags); cookie = sdma_assign_cookie(sdmac); - sdma_enable_channel(sdma, sdmac->channel); - spin_unlock_irqrestore(&sdmac->lock, flags); return cookie; @@ -1135,9 +1132,11 @@ static enum dma_status sdma_tx_status(struct dma_chan *chan, static void sdma_issue_pending(struct dma_chan *chan) { - /* - * Nothing to do. We only have a single descriptor - */ + struct sdma_channel *sdmac = to_sdma_chan(chan); + struct sdma_engine *sdma = sdmac->sdma; + + if (sdmac->status == DMA_IN_PROGRESS) + sdma_enable_channel(sdma, sdmac->channel); } #define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1 34 |