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>

diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c
index 591091cae6a5c5d7638245870bf79fc2f045ef0d..07260cda4197e553ca39ac9c415c774e508503c2 100644 (file)
--- 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