dmaengine: xilinx_dma : add xilinx_dma_device_config() return documentation

document xilinx_dma_device_config() return value. Fixes below
kernel-doc warning.

xilinx_dma.c:1665: warning: No description found for return value
of 'xilinx_dma_device_config'

Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
Link: https://lore.kernel.org/r/1666683737-7668-3-git-send-email-radhey.shyam.pandey@amd.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
index 3b8cfeccf2da94dcd4e33658b18d3c6f6c4d5a93..a8d23cdf883e5b825a3a66576903b1043280deae 100644 (file)
--- a/drivers/dma/xilinx/xilinx_dma.c
+++ b/drivers/dma/xilinx/xilinx_dma.c
@@ -1659,6 +1659,8 @@ static void xilinx_dma_issue_pending(struct dma_chan *dchan)
  * xilinx_dma_device_config - Configure the DMA channel
  * @dchan: DMA channel
  * @config: channel configuration
+ *
+ * Return: 0 always.
  */
 static int xilinx_dma_device_config(struct dma_chan *dchan,
                                    struct dma_slave_config *config)