On 23/10/2019 08:48, YueHaibing wrote:
drivers/staging/comedi/drivers/dt2814.c:193:6:
warning: variable data set but not used [-Wunused-but-set-variable]
It is never used, so can be removed.
Signed-off-by: YueHaibing <yuehaib...@huawei.com>
---
drivers/staging/comedi/drivers/dt2814.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/comedi/drivers/dt2814.c
b/drivers/staging/comedi/drivers/dt2814.c
index d2c7157..e7c6787 100644
--- a/drivers/staging/comedi/drivers/dt2814.c
+++ b/drivers/staging/comedi/drivers/dt2814.c
@@ -186,21 +186,17 @@ static int dt2814_ai_cmd(struct comedi_device *dev,
struct comedi_subdevice *s)
static irqreturn_t dt2814_interrupt(int irq, void *d)
{
- int lo, hi;
struct comedi_device *dev = d;
struct dt2814_private *devpriv = dev->private;
struct comedi_subdevice *s = dev->read_subdev;
- int data;
if (!dev->attached) {
dev_err(dev->class_dev, "spurious interrupt\n");
return IRQ_HANDLED;
}
- hi = inb(dev->iobase + DT2814_DATA);
- lo = inb(dev->iobase + DT2814_DATA);
-
- data = (hi << 4) | (lo >> 4);
+ inb(dev->iobase + DT2814_DATA);
+ inb(dev->iobase + DT2814_DATA);
if (!(--devpriv->ntrig)) {
int i;
Those variables are currently unused due to a bug that I need to fix.
--
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