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staging: comedi: dt2814: use dev->read_subdev

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Use the dev->read_subdev that was setup in the device attach instead
of accessing the dev->subdevices array directly.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten
2013-12-05 13:43:30 -07:00
committed by Greg Kroah-Hartman
parent 66d10158e0
commit 89d483850f
1 changed files with 1 additions and 3 deletions
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4
drivers/staging/comedi/drivers/dt2814.c
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@@ -197,7 +197,7 @@ 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;
struct comedi_subdevice *s = dev->read_subdev;
int data;
if (!dev->attached) {
@@ -205,8 +205,6 @@ static irqreturn_t dt2814_interrupt(int irq, void *d)
return IRQ_HANDLED;
}
s = &dev->subdevices[0];
hi = inb(dev->iobase + DT2814_DATA);
lo = inb(dev->iobase + DT2814_DATA);