mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
* [PATCH 46/83] staging: comedi: rtd520: remove RtdDio0Write macro
@ 2012-07-11  0:05 H Hartley Sweeten
  0 siblings, 0 replies; only message in thread
From: H Hartley Sweeten @ 2012-07-11  0:05 UTC (permalink / raw)
  To: Linux Kernel; +Cc: devel, abbotti, gregkh

This macro uses the 'devpriv' macro which relies on a local variable
having a specific name. Plus it's just a wrapper around a simple
'writew'. Remove the macro.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/staging/comedi/drivers/rtd520.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c
index e3a6aa2..6640e1b 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 */
 
-/* Digital IO */
-#define RtdDio0Write(dev, v) \
-	writew((v) & 0xff, devpriv->las0+LAS0_DIO0)
-
 #define RtdDio1Read(dev) \
 	(readw(devpriv->las0+LAS0_DIO1) & 0xff)
 #define RtdDio1Write(dev, v) \
@@ -1658,7 +1654,7 @@ static int rtd_dio_insn_bits(struct comedi_device *dev,
 		s->state |= data[0] & data[1];
 
 		/* Write out the new digital output lines */
-		RtdDio0Write(dev, s->state);
+		writew(s->state & 0xff, devpriv->las0 + LAS0_DIO0);
 	}
 	/* on return, data[1] contains the value of the digital
 	 * input lines. */
-- 
1.7.11


^ permalink raw reply	[flat|nested] only message in thread

only message in thread, other threads:[~2012-07-11  0:05 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2012-07-11  0:05 [PATCH 46/83] staging: comedi: rtd520: remove RtdDio0Write macro H Hartley Sweeten

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

Powered by JetHome