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staging: comedi: pcm3724: use default (*io) callback from 8255 module

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The private (*io) callback used by this driver is identical to the
default one provided by the 8255 module. Use the default one instead.

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 2014-07-18 17:01:19 -07:00 • committed by Greg Kroah-Hartman
parent 5d6e2298b2
commit 75c04c2834
1 changed files with 1 additions and 14 deletions
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15
drivers/staging/comedi/drivers/pcm3724.c
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@ -66,19 +66,6 @@ struct priv_pcm3724 {
int dio_2; int dio_2;
}; };
static int subdev_8255_cb(int dir, int port, int data, unsigned long arg)
{
unsigned long iobase = arg;
unsigned char inbres;
if (dir) {
outb(data, iobase + port);
return 0;
} else {
inbres = inb(iobase + port);
return inbres;
}
}
static int compute_buffer(int config, int devno, struct comedi_subdevice *s) static int compute_buffer(int config, int devno, struct comedi_subdevice *s)
{ {
/* 1 in io_bits indicates output */ /* 1 in io_bits indicates output */
@ -225,7 +212,7 @@ static int pcm3724_attach(struct comedi_device *dev,
for (i = 0; i < dev->n_subdevices; i++) { for (i = 0; i < dev->n_subdevices; i++) {
s = &dev->subdevices[i]; s = &dev->subdevices[i];
ret = subdev_8255_init(dev, s, subdev_8255_cb, ret = subdev_8255_init(dev, s, NULL,
dev->iobase + SIZE_8255 * i); dev->iobase + SIZE_8255 * i);
if (ret) if (ret)
return ret; return ret;