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staging: comedi: rtd520: remove RtdAdcStart macro

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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@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2012-07-10 16:49:28 -07:00 committed by Greg Kroah-Hartman
parent 864663300b
commit 02818bba43
1 changed files with 2 additions and 6 deletions
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8
drivers/staging/comedi/drivers/rtd520.c
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@ -406,10 +406,6 @@ struct rtdPrivate {
/* Macros to access registers */
/* Start single ADC conversion */
#define RtdAdcStart(dev) \
writew(0, devpriv->las0+LAS0_ADC)
/* Read one ADC data value (12bit (with sign extend) as 16bit) */
/* Note: matches what DMA would get. Actual value >> 3 */
#define RtdAdcFifoGet(dev) \
@ -771,7 +767,7 @@ static int rtd520_probe_fifo_depth(struct comedi_device *dev)
for (i = 0; i < limit; ++i) {
unsigned fifo_status;
/* trigger conversion */
RtdAdcStart(dev);
writew(0, devpriv->las0 + LAS0_ADC);
udelay(1);
fifo_status = RtdFifoStatus(dev);
if ((fifo_status & FS_ADC_HEMPTY) == 0) {
@ -822,7 +818,7 @@ static int rtd_ai_rinsn(struct comedi_device *dev,
for (n = 0; n < insn->n; n++) {
s16 d;
/* trigger conversion */
RtdAdcStart(dev);
writew(0, devpriv->las0 + LAS0_ADC);
for (ii = 0; ii < RTD_ADC_TIMEOUT; ++ii) {
stat = RtdFifoStatus(dev);