1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/serial/dz.c b/drivers/serial/dz.c
index d31721f2744d..bbae5a220219 100644
--- a/drivers/serial/dz.c
+++ b/drivers/serial/dz.c
@@ -324,7 +324,7 @@ static inline void check_modem_status(struct dz_port *dport)
  */
 static irqreturn_t dz_interrupt(int irq, void *dev)
 {
-        struct dz_port *dport = (struct dz_port *)dev;
+        struct dz_port *dport = dev;
         unsigned short status;
 
         /* get the reason why we just got an irq */