diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/rtd520.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/rtd520.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c index 581aa58d9c0a..c94ad12ed446 100644 --- a/drivers/staging/comedi/drivers/rtd520.c +++ b/drivers/staging/comedi/drivers/rtd520.c @@ -19,10 +19,8 @@ /* * Driver: rtd520 * Description: Real Time Devices PCI4520/DM7520 - * Devices: (Real Time Devices) DM7520HR-1 [DM7520] - * (Real Time Devices) DM7520HR-8 [DM7520] - * (Real Time Devices) PCI4520 [PCI4520] - * (Real Time Devices) PCI4520-8 [PCI4520] + * Devices: [Real Time Devices] DM7520HR-1 (DM7520), DM7520HR-8, + * PCI4520 (PCI4520), PCI4520-8 * Author: Dan Christian * Status: Works. Only tested on DM7520-8. Not SMP safe. * @@ -1014,10 +1012,8 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) readw(dev->mmio + LAS0_CLEAR); /* TODO: allow multiple interrupt sources */ - if (devpriv->xfer_count > 0) /* transfer every N samples */ - writew(IRQM_ADC_ABOUT_CNT, dev->mmio + LAS0_IT); - else /* 1/2 FIFO transfers */ - writew(IRQM_ADC_ABOUT_CNT, dev->mmio + LAS0_IT); + /* transfer every N samples */ + writew(IRQM_ADC_ABOUT_CNT, dev->mmio + LAS0_IT); /* BUG: start_src is ASSUMED to be TRIG_NOW */ /* BUG? it seems like things are running before the "start" */ @@ -1031,8 +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); @@ -1040,8 +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; } |