staging: comedi: rtd520: remove RtdDio1Read macro

This macro uses the 'devpriv' macro which relies on a local variable having a specific name. It's also not used. Remove the macro. 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>
git-mirror · Jul 15, 2012 · 0f4a4dc · 0f4a4dc
1 parent e91403b
commit 0f4a4dc
Showing 1 changed file with 0 additions and 2 deletions.
diff --git a/drivers/staging/comedi/drivers/rtd520.c b/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)