staging: comedi: rtd520: rename CamelCase in rtd_interrupt()
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Wed, 3 Apr 2013 18:39:35 +0000 (11:39 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 3 Apr 2013 20:54:04 +0000 (13:54 -0700)
Rename the CamelCase local variable fifoStatus to fifo_status.

Also rename the goto lables abortTransfer and transferDone to
xfer_abort and xfer_done.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/comedi/drivers/rtd520.c

index eeabfa758f3c114b2158b7c8a0dff000d0f384b7..6276b78d3ed64f54d03d54d9fd3179b169936ed4 100644 (file)
@@ -712,23 +712,22 @@ static int ai_read_dregs(struct comedi_device *dev, struct comedi_subdevice *s)
   This is a "slow handler";  other interrupts may be active.
   The data conversion may someday happen in a "bottom half".
 */
-static irqreturn_t rtd_interrupt(int irq,      /* interrupt number (ignored) */
-                                void *d)
-{                              /* our data *//* cpu context (ignored) */
+static irqreturn_t rtd_interrupt(int irq, void *d)
+{
        struct comedi_device *dev = d;
        struct comedi_subdevice *s = &dev->subdevices[0];
        struct rtd_private *devpriv = dev->private;
        u32 overrun;
        u16 status;
-       u16 fifoStatus;
+       u16 fifo_status;
 
        if (!dev->attached)
                return IRQ_NONE;
 
-       fifoStatus = readl(devpriv->las0 + LAS0_ADC);
+       fifo_status = readl(devpriv->las0 + LAS0_ADC);
        /* check for FIFO full, this automatically halts the ADC! */
-       if (!(fifoStatus & FS_ADC_NOT_FULL))    /* 0 -> full */
-               goto abortTransfer;
+       if (!(fifo_status & FS_ADC_NOT_FULL))   /* 0 -> full */
+               goto xfer_abort;
 
        status = readw(devpriv->las0 + LAS0_IT);
        /* if interrupt was not caused by our board, or handled above */
@@ -742,23 +741,23 @@ static irqreturn_t rtd_interrupt(int irq, /* interrupt number (ignored) */
                 * finished, we must handle the possibility that there is
                 * no data here
                 */
-               if (!(fifoStatus & FS_ADC_HEMPTY)) {
+               if (!(fifo_status & FS_ADC_HEMPTY)) {
                        /* FIFO half full */
                        if (ai_read_n(dev, s, devpriv->fifosz / 2) < 0)
-                               goto abortTransfer;
+                               goto xfer_abort;
 
                        if (0 == devpriv->aiCount)
-                               goto transferDone;
+                               goto xfer_done;
 
                        comedi_event(dev, s);
                } else if (devpriv->xfer_count > 0) {
-                       if (fifoStatus & FS_ADC_NOT_EMPTY) {
+                       if (fifo_status & FS_ADC_NOT_EMPTY) {
                                /* FIFO not empty */
                                if (ai_read_n(dev, s, devpriv->xfer_count) < 0)
-                                       goto abortTransfer;
+                                       goto xfer_abort;
 
                                if (0 == devpriv->aiCount)
-                                       goto transferDone;
+                                       goto xfer_done;
 
                                comedi_event(dev, s);
                        }
@@ -767,20 +766,20 @@ static irqreturn_t rtd_interrupt(int irq, /* interrupt number (ignored) */
 
        overrun = readl(devpriv->las0 + LAS0_OVERRUN) & 0xffff;
        if (overrun)
-               goto abortTransfer;
+               goto xfer_abort;
 
        /* clear the interrupt */
        writew(status, devpriv->las0 + LAS0_CLEAR);
        readw(devpriv->las0 + LAS0_CLEAR);
        return IRQ_HANDLED;
 
-abortTransfer:
+xfer_abort:
        writel(0, devpriv->las0 + LAS0_ADC_FIFO_CLEAR);
        s->async->events |= COMEDI_CB_ERROR;
        devpriv->aiCount = 0;   /* stop and don't transfer any more */
-       /* fall into transferDone */
+       /* fall into xfer_done */
 
-transferDone:
+xfer_done:
        /* pacer stop source: SOFTWARE */
        writel(0, devpriv->las0 + LAS0_PACER_STOP);
        writel(0, devpriv->las0 + LAS0_PACER);  /* stop pacer */
@@ -788,7 +787,7 @@ transferDone:
        writew(0, devpriv->las0 + LAS0_IT);
 
        if (devpriv->aiCount > 0) {     /* there shouldn't be anything left */
-               fifoStatus = readl(devpriv->las0 + LAS0_ADC);
+               fifo_status = readl(devpriv->las0 + LAS0_ADC);
                ai_read_dregs(dev, s);  /* read anything left in FIFO */
        }
 
@@ -800,7 +799,7 @@ transferDone:
        writew(status, devpriv->las0 + LAS0_CLEAR);
        readw(devpriv->las0 + LAS0_CLEAR);
 
-       fifoStatus = readl(devpriv->las0 + LAS0_ADC);
+       fifo_status = readl(devpriv->las0 + LAS0_ADC);
        overrun = readl(devpriv->las0 + LAS0_OVERRUN) & 0xffff;
 
        return IRQ_HANDLED;