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staging: comedi: pcl812: remove subdevice pointer math

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Convert the comedi_subdevice access from pointer math to array
access.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2012-09-05 18:52:32 -07:00 committed by Greg Kroah-Hartman
parent dda841ff2f
commit 93a37955bc
1 changed files with 6 additions and 6 deletions
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12
drivers/staging/comedi/drivers/pcl812.c
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@ -806,7 +806,7 @@ static irqreturn_t interrupt_pcl812_ai_int(int irq, void *d)
char err = 1;
unsigned int mask, timeout;
struct comedi_device *dev = d;
struct comedi_subdevice *s = dev->subdevices + 0;
struct comedi_subdevice *s = &dev->subdevices[0];
unsigned int next_chan;
s->async->events = 0;
@ -909,7 +909,7 @@ static void transfer_from_dma_buf(struct comedi_device *dev,
static irqreturn_t interrupt_pcl812_ai_dma(int irq, void *d)
{
struct comedi_device *dev = d;
struct comedi_subdevice *s = dev->subdevices + 0;
struct comedi_subdevice *s = &dev->subdevices[0];
unsigned long dma_flags;
int len, bufptr;
short *ptr;
@ -1267,7 +1267,7 @@ no_dma:
/* analog input */
if (board->n_aichan > 0) {
s = dev->subdevices + subdev;
s = &dev->subdevices[subdev];
s->type = COMEDI_SUBD_AI;
s->subdev_flags = SDF_READABLE;
switch (board->board_type) {
@ -1409,7 +1409,7 @@ no_dma:
/* analog output */
if (board->n_aochan > 0) {
s = dev->subdevices + subdev;
s = &dev->subdevices[subdev];
s->type = COMEDI_SUBD_AO;
s->subdev_flags = SDF_WRITABLE | SDF_GROUND;
s->n_chan = board->n_aochan;
@ -1438,7 +1438,7 @@ no_dma:
/* digital input */
if (board->n_dichan > 0) {
s = dev->subdevices + subdev;
s = &dev->subdevices[subdev];
s->type = COMEDI_SUBD_DI;
s->subdev_flags = SDF_READABLE;
s->n_chan = board->n_dichan;
@ -1451,7 +1451,7 @@ no_dma:
/* digital output */
if (board->n_dochan > 0) {
s = dev->subdevices + subdev;
s = &dev->subdevices[subdev];
s->type = COMEDI_SUBD_DO;
s->subdev_flags = SDF_WRITABLE;
s->n_chan = board->n_dochan;