diff --git a/[refs] b/[refs]
index 37bc28489c2a..2973f95f43a9 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: dcfbb64cc108435ae336f9b44014212a02f6bdf1
+refs/heads/master: 864663300b2f1b237f042db5952162af851351bf
diff --git a/trunk/drivers/staging/comedi/drivers/rtd520.c b/trunk/drivers/staging/comedi/drivers/rtd520.c
index df505a3d0ee6..1face9876708 100644
--- a/trunk/drivers/staging/comedi/drivers/rtd520.c
+++ b/trunk/drivers/staging/comedi/drivers/rtd520.c
@@ -406,10 +406,6 @@ struct rtdPrivate {
 
 /* Macros to access registers */
 
-/* Set external trigger polarity (write only) 0=positive edge, 1=negative */
-#define RtdTriggerPolarity(dev, v) \
-	writel((v > 0) ? 1 : 0, devpriv->las0+LAS0_ETRG_POLARITY)
-
 /* Start single ADC conversion */
 #define RtdAdcStart(dev) \
 	writew(0, devpriv->las0+LAS0_ADC)