linux-kernel - [PATCH 10/83] staging: comedi: rtd520: remove RtdPacerStartSource macro

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Date:	Tue, 10 Jul 2012 16:45:22 -0700
From:	H Hartley Sweeten <hartleys@...ionengravers.com>
To:	Linux Kernel <linux-kernel@...r.kernel.org>
CC:	<devel@...verdev.osuosl.org>, <abbotti@....co.uk>,
	<gregkh@...uxfoundation.org>
Subject: [PATCH 10/83] staging: comedi: rtd520: remove RtdPacerStartSource macro

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
'writel'. Remove the macro.

Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com>
Cc: Ian Abbott <abbotti@....co.uk>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/staging/comedi/drivers/rtd520.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c
index 26bdcab..0a92ae5 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 Pacer start source select (write only) */
-#define RtdPacerStartSource(dev, v) \
-	writel(v, devpriv->las0+LAS0_PACER_START)
-
 /* Set Pacer stop source select (write only) */
 #define RtdPacerStopSource(dev, v) \
 	writel(v, devpriv->las0+LAS0_PACER_STOP)
@@ -1499,12 +1495,12 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 	/* setup the common case and override if needed */
 	if (cmd->chanlist_len > 1) {
 		/*DPRINTK ("rtd520: Multi channel setup\n"); */
-		RtdPacerStartSource(dev, 0);	/* software triggers pacer */
+		writel(0, devpriv->las0 + LAS0_PACER_START);
 		writel(1, devpriv->las0 + LAS0_BURST_START);
 		writel(2, devpriv->las0 + LAS0_ADC_CONVERSION);
 	} else {		/* single channel */
 		/*DPRINTK ("rtd520: single channel setup\n"); */
-		RtdPacerStartSource(dev, 0);	/* software triggers pacer */
+		writel(0, devpriv->las0 + LAS0_PACER_START);
 		writel(1, devpriv->las0 + LAS0_ADC_CONVERSION);
 	}
 	RtdAboutCounter(dev, devpriv->fifoLen / 2 - 1);	/* 1/2 FIFO */
@@ -1588,7 +1584,7 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 		break;
 
 	case TRIG_EXT:
-		RtdPacerStartSource(dev, 1);	/* EXTERNALy trigger pacer */
+		writel(1, devpriv->las0 + LAS0_PACER_START);
 		break;
 
 	default:
-- 
1.7.11

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