staging: comedi: pcl818: remove 'sub_ai' from private data

This member of the private data is a duplicate of the comedi_device
'read_subdev' member. Remove the private data member and use the
comedi_device member instead.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2013-12-03 12:07:19 -07:00 committed by Greg Kroah-Hartman
parent 5d788d019c
commit 89dac49eed

View File

@ -290,7 +290,6 @@ struct pcl818_private {
unsigned int ai_data_len; /* len of data buffer */
unsigned int ai_timer1; /* timers */
unsigned int ai_timer2;
struct comedi_subdevice *sub_ai; /* ptr to AI subdevice */
unsigned char usefifo; /* 1=use fifo */
unsigned int ao_readback[2];
};
@ -1269,7 +1268,6 @@ no_dma:
s->type = COMEDI_SUBD_UNUSED;
} else {
s->type = COMEDI_SUBD_AI;
devpriv->sub_ai = s;
s->subdev_flags = SDF_READABLE;
if (check_single_ended(dev->iobase)) {
s->n_chan = board->n_aichan_se;
@ -1403,7 +1401,7 @@ static void pcl818_detach(struct comedi_device *dev)
struct pcl818_private *devpriv = dev->private;
if (devpriv) {
pcl818_ai_cancel(dev, devpriv->sub_ai);
pcl818_ai_cancel(dev, dev->read_subdev);
pcl818_reset(dev);
if (devpriv->dma)
free_dma(devpriv->dma);