Conversions of void * are applied automatically when other pointer types
are assigned to and from void *. Remove the superfluous cast.

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
---
 drivers/dma/at_hdmac.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index 10b6b0435d52..fbfb207104e9 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -603,7 +603,7 @@ static void atc_tasklet(struct tasklet_struct *t)
 
 static irqreturn_t at_dma_interrupt(int irq, void *dev_id)
 {
-	struct at_dma		*atdma = (struct at_dma *)dev_id;
+	struct at_dma		*atdma = dev_id;
 	struct at_dma_chan	*atchan;
 	int			i;
 	u32			status, pending, imr;
-- 
2.25.1