From: H Hartley Sweeten Date: Thu, 5 Dec 2013 20:43:31 +0000 (-0700) Subject: staging: comedi: dt282x: use dev->read_subdev X-Git-Url: http://git.efficios.com/?a=commitdiff_plain;h=9ee0de0ec1196df99c9d6ecec6a25ee383de6bc1;p=deliverable%2Flinux.git staging: comedi: dt282x: use dev->read_subdev 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 Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/comedi/drivers/dt282x.c b/drivers/staging/comedi/drivers/dt282x.c index df37d185125f..5815fc289299 100644 --- a/drivers/staging/comedi/drivers/dt282x.c +++ b/drivers/staging/comedi/drivers/dt282x.c @@ -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);