diff options
| -rw-r--r-- | drivers/staging/comedi/drivers/rtd520.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c index 65f0b11614f5..09e39389a414 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 */ -/* 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 */ |