diff options
| author | H Hartley Sweeten <hartleys@visionengravers.com> | 2012-07-10 16:43:32 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-07-13 08:12:23 -0700 |
| commit | aa5372b8879e5c0e49728db8ce1b1cafc545caf4 (patch) | |
| tree | 70356a20db8521aa8daf1bde3eae71fda92c7d40 /drivers | |
| parent | 9b3f95cc39ed9ab637fee93ca86d42ca83d74099 (diff) | |
staging: comedi: rtd520: remove RtdAdcClearFifo 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@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/comedi/drivers/rtd520.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c index 3a7c030f8a93..eb46b5b667b7 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 */ -/* Reset ADC FIFO */ -#define RtdAdcClearFifo(dev) \ - writel(0, devpriv->las0+LAS0_ADC_FIFO_CLEAR) - /* Set ADC start conversion source select (write only) */ #define RtdAdcConversionSource(dev, v) \ writel(v, devpriv->las0+LAS0_ADC_CONVERSION) @@ -804,7 +800,7 @@ static int rtd520_probe_fifo_depth(struct comedi_device *dev) static const unsigned limit = 0x2000; unsigned fifo_size = 0; - RtdAdcClearFifo(dev); + writel(0, devpriv->las0 + LAS0_ADC_FIFO_CLEAR); rtd_load_channelgain_list(dev, 1, &chanspec); RtdAdcConversionSource(dev, 0); /* software */ /* convert samples */ @@ -824,7 +820,7 @@ static int rtd520_probe_fifo_depth(struct comedi_device *dev) DRV_NAME); return -EIO; } - RtdAdcClearFifo(dev); + writel(0, devpriv->las0 + LAS0_ADC_FIFO_CLEAR); if (fifo_size != 0x400 && fifo_size != 0x2000) { printk (KERN_INFO "\ncomedi: %s: unexpected fifo size of %i, expected 1024 or 8192.\n", @@ -850,7 +846,7 @@ static int rtd_ai_rinsn(struct comedi_device *dev, int stat; /* clear any old fifo data */ - RtdAdcClearFifo(dev); + writel(0, devpriv->las0 + LAS0_ADC_FIFO_CLEAR); /* write channel to multiplexer and clear channel gain table */ rtd_load_channelgain_list(dev, 1, &insn->chanspec); @@ -1204,7 +1200,7 @@ static irqreturn_t rtd_interrupt(int irq, /* interrupt number (ignored) */ return IRQ_HANDLED; abortTransfer: - RtdAdcClearFifo(dev); /* clears full flag */ + writel(0, devpriv->las0 + LAS0_ADC_FIFO_CLEAR); s->async->events |= COMEDI_CB_ERROR; devpriv->aiCount = 0; /* stop and don't transfer any more */ /* fall into transferDone */ @@ -1495,7 +1491,7 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) } RtdDma0Reset(dev); /* reset onboard state */ #endif /* USE_DMA */ - RtdAdcClearFifo(dev); /* clear any old data */ + writel(0, devpriv->las0 + LAS0_ADC_FIFO_CLEAR); RtdInterruptOverrunClear(dev); devpriv->intCount = 0; @@ -2036,7 +2032,7 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it) RtdInterruptClear(dev); /* clears bits set by mask */ RtdInterruptOverrunClear(dev); writel(0, devpriv->las0 + LAS0_CGT_CLEAR); - RtdAdcClearFifo(dev); + writel(0, devpriv->las0 + LAS0_ADC_FIFO_CLEAR); RtdDacClearFifo(dev, 0); RtdDacClearFifo(dev, 1); /* clear digital IO fifo */ |