Instead of open coding, use device_match_of_node() helper.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/dma/dmaengine.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 8fe552c74eb8..ca1723a34779 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -765,7 +765,7 @@ struct dma_chan *__dma_request_channel(const dma_cap_mask_t *mask,
 	mutex_lock(&dma_list_mutex);
 	list_for_each_entry_safe(device, _d, &dma_device_list, global_node) {
 		/* Finds a DMA controller with matching device node */
-		if (np && device->dev->of_node && np != device->dev->of_node)
+		if (np && !device_match_of_node(device->dev, np))
 			continue;
 
 		chan = find_candidate(device, mask, fn, fn_param);
-- 
2.50.1