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staging: comedi: rtd520: remove RtdDma1Control 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
'writeb'. 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 17:22:46 -07:00 committed by Greg Kroah-Hartman
parent 9c4d44593e
commit 4de01dbbca
1 changed files with 3 additions and 5 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 */
/* Set control for DMA 1 (write only, shadow?) */
#define RtdDma1Control(dev, n) \
writeb(devpriv->dma1Control = (n), devpriv->lcfg+LCFG_DMACSR1)
/* Get status for DMA 1 */
#define RtdDma1Status(dev) \
readb(devpriv->lcfg+LCFG_DMACSR1)
@ -1968,9 +1964,11 @@ static void rtd_detach(struct comedi_device *dev)
#ifdef USE_DMA
if (devpriv->lcfg) {
devpriv->dma0Control = 0;
devpriv->dma1Control = 0;
writeb(devpriv->dma0Control,
devpriv->lcfg + LCFG_DMACSR0);
RtdDma1Control(dev, 0); /* disable DMA */
writeb(devpriv->dma1Control,
devpriv->lcfg + LCFG_DMACSR1);
writel(ICS_PIE | ICS_PLIE, devpriv->lcfg + LCFG_ITCSR);
}
#endif /* USE_DMA */