From 864663300b2f1b237f042db5952162af851351bf Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Tue, 10 Jul 2012 16:48:58 -0700
Subject: [PATCH] staging: comedi: rtd520: remove RtdTriggerPolarity macro

This macro uses the 'devpriv' macro which relies on a local variable
having a specific name. It's also not used. Remove it.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/staging/comedi/drivers/rtd520.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c
index df505a3d0ee6..1face9876708 100644
--- a/drivers/staging/comedi/drivers/rtd520.c
+++ b/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)
-- 
2.20.1