diff --git a/[refs] b/[refs]
index 7eefd441e26e..7e4ad49e501d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e91403b2c9dcd4902c31920507293a0bb6e162d0
+refs/heads/master: 0f4a4dc57d7653a344d25c4035aca3f318a3047e
diff --git a/trunk/drivers/staging/comedi/drivers/rtd520.c b/trunk/drivers/staging/comedi/drivers/rtd520.c
index 6640e1b9d06b..826c01bbba8e 100644
--- a/trunk/drivers/staging/comedi/drivers/rtd520.c
+++ b/trunk/drivers/staging/comedi/drivers/rtd520.c
@@ -406,8 +406,6 @@ struct rtdPrivate {
 
 /* Macros to access registers */
 
-#define RtdDio1Read(dev) \
-	(readw(devpriv->las0+LAS0_DIO1) & 0xff)
 #define RtdDio1Write(dev, v) \
 	writew((v) & 0xff, devpriv->las0+LAS0_DIO1)