diff options
| author | H Hartley Sweeten <hartleys@visionengravers.com> | 2012-07-10 16:53:44 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-07-13 08:12:27 -0700 |
| commit | a2b520b7867c964bb629633c1f909f6ac901f91b (patch) | |
| tree | ed5f355e1c1422464f2078168e75cbccf6a16050 | |
| parent | acef7c0fc69cfa6ecea7624e36b2e9037cdd5866 (diff) | |
staging: comedi: rtd520: remove RtdInterruptClear macro
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
'readw'. 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>
| -rw-r--r-- | drivers/staging/comedi/drivers/rtd520.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c index 74ababcd0f73..591091cae6a5 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 status clear (only bits set in mask) */ -#define RtdInterruptClear(dev) \ - readw(devpriv->las0+LAS0_CLEAR) - /* Interrupt clear mask */ #define RtdInterruptClearMask(dev, v) \ writew((devpriv->intClearMask = (v)), devpriv->las0+LAS0_CLEAR) @@ -1129,7 +1125,7 @@ static irqreturn_t rtd_interrupt(int irq, /* interrupt number (ignored) */ /* clear the interrupt */ RtdInterruptClearMask(dev, status); - RtdInterruptClear(dev); + readw(devpriv->las0 + LAS0_CLEAR); return IRQ_HANDLED; abortTransfer: @@ -1170,7 +1166,7 @@ transferDone: /* clear the interrupt */ status = readw(devpriv->las0 + LAS0_IT); RtdInterruptClearMask(dev, status); - RtdInterruptClear(dev); + readw(devpriv->las0 + LAS0_CLEAR); fifoStatus = readl(devpriv->las0 + LAS0_ADC); DPRINTK @@ -1565,7 +1561,7 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) /* This doesn't seem to work. There is no way to clear an interrupt that the priority controller has queued! */ RtdInterruptClearMask(dev, ~0); /* clear any existing flags */ - RtdInterruptClear(dev); + readw(devpriv->las0 + LAS0_CLEAR); /* TODO: allow multiple interrupt sources */ if (devpriv->transCount > 0) { /* transfer every N samples */ @@ -1968,7 +1964,7 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it) devpriv->intMask = 0; writew(devpriv->intMask, devpriv->las0 + LAS0_IT); RtdInterruptClearMask(dev, ~0); /* and sets shadow */ - RtdInterruptClear(dev); /* clears bits set by mask */ + readw(devpriv->las0 + LAS0_CLEAR); RtdInterruptOverrunClear(dev); writel(0, devpriv->las0 + LAS0_CGT_CLEAR); writel(0, devpriv->las0 + LAS0_ADC_FIFO_CLEAR); @@ -2148,7 +2144,7 @@ static void rtd_detach(struct comedi_device *dev) devpriv->intMask = 0; writew(devpriv->intMask, devpriv->las0 + LAS0_IT); RtdInterruptClearMask(dev, ~0); - RtdInterruptClear(dev); /* clears bits set by mask */ + readw(devpriv->las0 + LAS0_CLEAR); } #ifdef USE_DMA /* release DMA */ |