[PATCH] dmaengine: move .device_release missing log warning to debug level

[Vinod Koul <vkoul@kernel.org>]

Dmaengine core warns the drivers registering for missing .device_release
implementation. The warning is accurate for dmaengine controllers which
hotplug but not for rest.

So reduce this to a debug log.

Signed-off-by: Vinod Koul <vkoul@kernel.org>
---
 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 c3b1283b6d31..17909fd1820f 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -1151,7 +1151,7 @@ int dma_async_device_register(struct dma_device *device)
 	}
 
 	if (!device->device_release)
-		dev_warn(device->dev,
+		dev_dbg(device->dev,
 			 "WARN: Device release is not defined so it is not safe to unbind this driver while in use\n");
 
 	kref_init(&device->ref);
-- 
2.24.1