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staging: comedi: drivers: rtd520: Removed variables that is never used

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Variable was assigned a value that was never used.
I have also removed all the code that thereby serves no purpose.

This was found using a static code analysis program called cppcheck

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rickard Strandqvist 2015-01-29 23:43:36 +01:00 • committed by Greg Kroah-Hartman
commit fa0ca8e7c9
1 changed files with 0 additions and 4 deletions
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4
drivers/staging/comedi/drivers/rtd520.c
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@ -1027,8 +1027,6 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
static int rtd_ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
{
struct rtd_private *devpriv = dev->private;
u32 overrun;
u16 status;
/* pacer stop source: SOFTWARE */
writel(0, dev->mmio + LAS0_PACER_STOP);
@ -1036,8 +1034,6 @@ static int rtd_ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
writel(0, dev->mmio + LAS0_ADC_CONVERSION);
writew(0, dev->mmio + LAS0_IT);
devpriv->ai_count = 0; /* stop and don't transfer any more */
status = readw(dev->mmio + LAS0_IT);
overrun = readl(dev->mmio + LAS0_OVERRUN) & 0xffff;
writel(0, dev->mmio + LAS0_ADC_FIFO_CLEAR);
return 0;
}