dmaengine: imx-sdma: Let the core do the device node validation
Let the DMA engine core do the device node validation instead of drivers.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 99d9f43..ca296f0 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -1934,16 +1934,11 @@ static int sdma_init(struct sdma_engine *sdma)
static bool sdma_filter_fn(struct dma_chan *chan, void *fn_param)
{
struct sdma_channel *sdmac = to_sdma_chan(chan);
- struct sdma_engine *sdma = sdmac->sdma;
struct imx_dma_data *data = fn_param;
if (!imx_dma_is_general_purpose(chan))
return false;
- /* return false if it's not the right device */
- if (sdma->dev->of_node != data->of_node)
- return false;
-
sdmac->data = *data;
chan->private = &sdmac->data;
@@ -1971,9 +1966,9 @@ static struct dma_chan *sdma_xlate(struct of_phandle_args *dma_spec,
* be set to sdmac->event_id1.
*/
data.dma_request2 = 0;
- data.of_node = ofdma->of_node;
- return dma_request_channel(mask, sdma_filter_fn, &data);
+ return __dma_request_channel(&mask, sdma_filter_fn, &data,
+ ofdma->of_node);
}
static int sdma_probe(struct platform_device *pdev)