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staging: comedi: dt282x: 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 13:43:31 -07:00 committed by Greg Kroah-Hartman
parent 89d483850f
commit 9ee0de0ec1
1 changed files with 2 additions and 3 deletions
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5
drivers/staging/comedi/drivers/dt282x.c
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@ -339,11 +339,11 @@ static void dt282x_ao_dma_interrupt(struct comedi_device *dev)
static void dt282x_ai_dma_interrupt(struct comedi_device *dev)
{
struct dt282x_private *devpriv = dev->private;
struct comedi_subdevice *s = dev->read_subdev;
void *ptr;
int size;
int i;
int ret;
struct comedi_subdevice *s = &dev->subdevices[0];
outw(devpriv->supcsr | DT2821_CLRDMADNE, dev->iobase + DT2821_SUPCSR);
@ -448,7 +448,7 @@ static irqreturn_t dt282x_interrupt(int irq, void *d)
{
struct comedi_device *dev = d;
struct dt282x_private *devpriv = dev->private;
struct comedi_subdevice *s;
struct comedi_subdevice *s = dev->read_subdev;
struct comedi_subdevice *s_ao;
unsigned int supcsr, adcsr, dacsr;
int handled = 0;
@ -458,7 +458,6 @@ static irqreturn_t dt282x_interrupt(int irq, void *d)
return IRQ_HANDLED;
}
s = &dev->subdevices[0];
s_ao = &dev->subdevices[1];
adcsr = inw(dev->iobase + DT2821_ADCSR);
dacsr = inw(dev->iobase + DT2821_DACSR);