[PATCH v2] Staging: comedi: dt2814: remove unused assignments
From: Gaurav Pathak
Date: Sun May 24 2020 - 07:36:16 EST
Silence following compiler warning:
drivers/staging/comedi/drivers/dt2814.c: In function âdt2814_interruptâ:
drivers/staging/comedi/drivers/dt2814.c:193:6: warning: variable âdataâ set but not used [-Wunused-but-set-variable]
int data;
^~~~
drivers/staging/comedi/drivers/dt2814.c: In function âdt2814_attachâ:
drivers/staging/comedi/drivers/dt2814.c:232:6: warning: variable âiâ set but not used [-Wunused-but-set-variable]
int i;
^
Signed-off-by: Gaurav Pathak <gauravpathak129@xxxxxxxxx>
---
drivers/staging/comedi/drivers/dt2814.c | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/drivers/staging/comedi/drivers/dt2814.c b/drivers/staging/comedi/drivers/dt2814.c
index d2c715737361..eea587d63e18 100644
--- a/drivers/staging/comedi/drivers/dt2814.c
+++ b/drivers/staging/comedi/drivers/dt2814.c
@@ -186,22 +186,15 @@ 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);
-
if (!(--devpriv->ntrig)) {
int i;
@@ -229,7 +222,6 @@ static int dt2814_attach(struct comedi_device *dev, struct comedi_devconfig *it)
struct dt2814_private *devpriv;
struct comedi_subdevice *s;
int ret;
- int i;
ret = comedi_request_region(dev, it->options[0], 0x2);
if (ret)
@@ -241,8 +233,6 @@ static int dt2814_attach(struct comedi_device *dev, struct comedi_devconfig *it)
dev_err(dev->class_dev, "reset error (fatal)\n");
return -EIO;
}
- i = inb(dev->iobase + DT2814_DATA);
- i = inb(dev->iobase + DT2814_DATA);
if (it->options[1]) {
ret = request_irq(it->options[1], dt2814_interrupt, 0,
--
2.17.1
--mYCpIKhGyMATD0i+--