diff options
| -rw-r--r-- | drivers/staging/comedi/drivers/rtd520.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c index c3810ea53cce..74ababcd0f73 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 */ -/* Interrupt mask */ -#define RtdInterruptMask(dev, v) \ - writew((devpriv->intMask = (v)), devpriv->las0+LAS0_IT) - /* Interrupt status clear (only bits set in mask) */ #define RtdInterruptClear(dev) \ readw(devpriv->las0+LAS0_CLEAR) @@ -1146,7 +1142,8 @@ transferDone: writel(0, devpriv->las0 + LAS0_PACER_STOP); writel(0, devpriv->las0 + LAS0_PACER); writel(0, devpriv->las0 + LAS0_ADC_CONVERSION); - RtdInterruptMask(dev, 0); /* mask out SAMPLE */ + devpriv->intMask = 0; + writew(devpriv->intMask, devpriv->las0 + LAS0_IT); #ifdef USE_DMA if (devpriv->flags & DMA0_ACTIVE) { RtdPlxInterruptWrite(dev, /* disable any more interrupts */ @@ -1415,7 +1412,8 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) writel(0, devpriv->las0 + LAS0_PACER_STOP); writel(0, devpriv->las0 + LAS0_PACER); writel(0, devpriv->las0 + LAS0_ADC_CONVERSION); - RtdInterruptMask(dev, 0); + devpriv->intMask = 0; + writew(devpriv->intMask, devpriv->las0 + LAS0_IT); #ifdef USE_DMA if (devpriv->flags & DMA0_ACTIVE) { /* cancel anything running */ RtdPlxInterruptWrite(dev, /* disable any more interrupts */ @@ -1571,7 +1569,8 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) /* TODO: allow multiple interrupt sources */ if (devpriv->transCount > 0) { /* transfer every N samples */ - RtdInterruptMask(dev, IRQM_ADC_ABOUT_CNT); + devpriv->intMask = IRQM_ADC_ABOUT_CNT; + writew(devpriv->intMask, devpriv->las0 + LAS0_IT); DPRINTK("rtd520: Transferring every %d\n", devpriv->transCount); } else { /* 1/2 FIFO transfers */ #ifdef USE_DMA @@ -1592,7 +1591,8 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) DPRINTK("rtd520: Using DMA0 transfers. plxInt %x RtdInt %x\n", RtdPlxInterruptRead(dev), devpriv->intMask); #else /* USE_DMA */ - RtdInterruptMask(dev, IRQM_ADC_ABOUT_CNT); + devpriv->intMask = IRQM_ADC_ABOUT_CNT; + writew(devpriv->intMask, devpriv->las0 + LAS0_IT); DPRINTK("rtd520: Transferring every 1/2 FIFO\n"); #endif /* USE_DMA */ } @@ -1613,7 +1613,8 @@ static int rtd_ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s) writel(0, devpriv->las0 + LAS0_PACER_STOP); writel(0, devpriv->las0 + LAS0_PACER); writel(0, devpriv->las0 + LAS0_ADC_CONVERSION); - RtdInterruptMask(dev, 0); + devpriv->intMask = 0; + writew(devpriv->intMask, devpriv->las0 + LAS0_IT); devpriv->aiCount = 0; /* stop and don't transfer any more */ #ifdef USE_DMA if (devpriv->flags & DMA0_ACTIVE) { @@ -1964,7 +1965,8 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it) writel(0, devpriv->las0 + LAS0_BOARD_RESET); udelay(100); /* needed? */ RtdPlxInterruptWrite(dev, 0); - RtdInterruptMask(dev, 0); /* and sets shadow */ + devpriv->intMask = 0; + writew(devpriv->intMask, devpriv->las0 + LAS0_IT); RtdInterruptClearMask(dev, ~0); /* and sets shadow */ RtdInterruptClear(dev); /* clears bits set by mask */ RtdInterruptOverrunClear(dev); @@ -2143,7 +2145,8 @@ static void rtd_detach(struct comedi_device *dev) #endif /* USE_DMA */ if (devpriv->las0) { writel(0, devpriv->las0 + LAS0_BOARD_RESET); - RtdInterruptMask(dev, 0); + devpriv->intMask = 0; + writew(devpriv->intMask, devpriv->las0 + LAS0_IT); RtdInterruptClearMask(dev, ~0); RtdInterruptClear(dev); /* clears bits set by mask */ } |