diff options
| author | H Hartley Sweeten <hartleys@visionengravers.com> | 2012-07-10 16:54:15 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-07-13 08:12:27 -0700 |
| commit | 9d8ed35d02c54282eef1f14523aec78551b56e49 (patch) | |
| tree | fca1c4d7fccac6574350c67972f21629f1d2e34f | |
| parent | a2b520b7867c964bb629633c1f909f6ac901f91b (diff) | |
staging: comedi: rtd520: remove RtdInterruptClearMask 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
'writew'. 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 | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c index 591091cae6a5..07260cda4197 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 clear mask */ -#define RtdInterruptClearMask(dev, v) \ - writew((devpriv->intClearMask = (v)), devpriv->las0+LAS0_CLEAR) - /* Interrupt overrun status */ #define RtdInterruptOverrunStatus(dev) \ readl(devpriv->las0+LAS0_OVERRUN) @@ -1124,7 +1120,8 @@ static irqreturn_t rtd_interrupt(int irq, /* interrupt number (ignored) */ } /* clear the interrupt */ - RtdInterruptClearMask(dev, status); + devpriv->intClearMask = status; + writew(devpriv->intClearMask, devpriv->las0 + LAS0_CLEAR); readw(devpriv->las0 + LAS0_CLEAR); return IRQ_HANDLED; @@ -1165,7 +1162,8 @@ transferDone: /* clear the interrupt */ status = readw(devpriv->las0 + LAS0_IT); - RtdInterruptClearMask(dev, status); + devpriv->intClearMask = status; + writew(devpriv->intClearMask, devpriv->las0 + LAS0_CLEAR); readw(devpriv->las0 + LAS0_CLEAR); fifoStatus = readl(devpriv->las0 + LAS0_ADC); @@ -1560,7 +1558,8 @@ 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 */ + devpriv->intClearMask = ~0; + writew(devpriv->intClearMask, devpriv->las0 + LAS0_CLEAR); readw(devpriv->las0 + LAS0_CLEAR); /* TODO: allow multiple interrupt sources */ @@ -1963,7 +1962,8 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it) RtdPlxInterruptWrite(dev, 0); devpriv->intMask = 0; writew(devpriv->intMask, devpriv->las0 + LAS0_IT); - RtdInterruptClearMask(dev, ~0); /* and sets shadow */ + devpriv->intClearMask = ~0; + writew(devpriv->intClearMask, devpriv->las0 + LAS0_CLEAR); readw(devpriv->las0 + LAS0_CLEAR); RtdInterruptOverrunClear(dev); writel(0, devpriv->las0 + LAS0_CGT_CLEAR); @@ -2143,7 +2143,9 @@ static void rtd_detach(struct comedi_device *dev) writel(0, devpriv->las0 + LAS0_BOARD_RESET); devpriv->intMask = 0; writew(devpriv->intMask, devpriv->las0 + LAS0_IT); - RtdInterruptClearMask(dev, ~0); + devpriv->intClearMask = ~0; + writew(devpriv->intClearMask, + devpriv->las0 + LAS0_CLEAR); readw(devpriv->las0 + LAS0_CLEAR); } #ifdef USE_DMA |