diff --git a/drivers/staging/sm750fb/ddk750_chip.h b/drivers/staging/sm750fb/ddk750_chip.h
index 2c7a9b9a7c8a..d9d4c485e54c 100644
--- a/drivers/staging/sm750fb/ddk750_chip.h
+++ b/drivers/staging/sm750fb/ddk750_chip.h
@@ -17,7 +17,7 @@ static inline u32 peek32(u32 addr)
 	return readl(addr + mmio750);
 }
 
-static inline void poke32(u32 data, u32 addr)
+static inline void poke32(u32 addr, u32 data)
 {
 	writel(data, addr + mmio750);
 }