From 5f73c718554a70d27ddcd1f0a62b9731cc35eebd Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Tue, 10 Jul 2012 17:08:59 -0700 Subject: [PATCH] staging: comedi: rtd520: remove RtdDacFifoPut 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 'writew'. Remove the macro. Signed-off-by: H Hartley Sweeten Cc: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/rtd520.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c index e7c550f..8ba7877 100644 --- a/drivers/staging/comedi/drivers/rtd520.c +++ b/drivers/staging/comedi/drivers/rtd520.c @@ -406,13 +406,6 @@ struct rtdPrivate { /* Macros to access registers */ -/* Digital to Analog converter */ -/* Write one data value (sign + 12bit + marker bits) */ -/* Note: matches what DMA would put. Actual value << 3 */ -#define RtdDacFifoPut(dev, n, v) \ - writew((v), devpriv->las1 + (((n) == 0) ? LAS1_DAC1_FIFO : \ - LAS1_DAC2_FIFO)) - /* Start single DAC conversion */ #define RtdDacUpdate(dev, n) \ writew(0, devpriv->las0 + (((n) == 0) ? LAS0_DAC1 : LAS0_DAC2)) @@ -1577,7 +1570,8 @@ static int rtd_ao_winsn(struct comedi_device *dev, chan, range, data[i], val); /* a typical programming sequence */ - RtdDacFifoPut(dev, chan, val); /* put the value in */ + writew(val, devpriv->las1 + + ((chan == 0) ? LAS1_DAC1_FIFO : LAS1_DAC2_FIFO)); RtdDacUpdate(dev, chan); /* trigger the conversion */ devpriv->aoValue[chan] = data[i]; /* save for read back */ -- 2.7.4