diff --git a/[refs] b/[refs]
index fc4d8f9b8122..76fa3b299064 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0bd1164637b14fdd2135494c4b2ee752cc6148f8
+refs/heads/master: d6e3da878313562078c7fc434c3c7f646b33f202
diff --git a/trunk/drivers/staging/comedi/drivers/rtd520.c b/trunk/drivers/staging/comedi/drivers/rtd520.c
index bcf15aec1d82..b0c5f344c168 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 RtdDio0CtrlRead(dev) \
-	(readw(devpriv->las0+LAS0_DIO0_CTRL) & 0xff)
 #define RtdDio0CtrlWrite(dev, v) \
 	writew((v) & 0xff, devpriv->las0+LAS0_DIO0_CTRL)