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

From: H Hartley Sweeten
Date: Tue Jul 10 2012 - 19:45:26 EST


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@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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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