diff --git a/[refs] b/[refs]
index 0a928eb6f20d..3d6606a14b01 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 474230ac9cf3db22caa96884176bc99ddb4e3b60
+refs/heads/master: add1b4788e33e1b7abb36c68639a8fa1999f23c1
diff --git a/trunk/drivers/staging/comedi/drivers/rtd520.c b/trunk/drivers/staging/comedi/drivers/rtd520.c
index 452b04b400e7..b7e13224f1fb 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 RtdDioStatusRead(dev) \
-	(readw(devpriv->las0+LAS0_DIO_STATUS) & 0xff)
 #define RtdDioStatusWrite(dev, v) \
 	writew((devpriv->dioStatus = (v)), devpriv->las0+LAS0_DIO_STATUS)