diff --git a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
index 69b9f8e..7871d43 100644
--- a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
@@ -111,7 +111,7 @@
 	}
 	if (uart->rts_pin >= 0) {
 		gpio_request(uart->rts_pin, DRIVER_NAME);
-		gpio_direction_input(uart->rts_pin);
+		gpio_direction_input(uart->rts_pin, 0);
 	}
 #endif
 }