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Date: Tue, 10 Jul 2012 16:43:32 -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 07/83] 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@...ionengravers.com>
Cc: Ian Abbott <abbotti@....co.uk>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
drivers/staging/comedi/drivers/rtd520.c | 16 ++++++----------
1 file changed, 6 insertions(+), 10 deletions(-)
diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c
index 3a7c030..eb46b5b 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 */
--
1.7.11
--
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