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staging: comedi: dt2801: 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 18:39:32 -07:00 committed by Greg Kroah-Hartman
parent 52a07cde49
commit 4b812ac508
1 changed files with 6 additions and 6 deletions
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12
drivers/staging/comedi/drivers/dt2801.c
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@ -532,7 +532,7 @@ static int dt2801_dio_insn_bits(struct comedi_device *dev,
{
int which = 0;
if (s == dev->subdevices + 3)
if (s == &dev->subdevices[3])
which = 1;
if (data[0]) {
@ -555,7 +555,7 @@ static int dt2801_dio_insn_config(struct comedi_device *dev,
{
int which = 0;
if (s == dev->subdevices + 3)
if (s == &dev->subdevices[3])
which = 1;
/* configure */
@ -636,7 +636,7 @@ havetype:
dev->board_name = boardtype.name;
s = dev->subdevices + 0;
s = &dev->subdevices[0];
/* ai subdevice */
s->type = COMEDI_SUBD_AI;
s->subdev_flags = SDF_READABLE | SDF_GROUND;
@ -652,7 +652,7 @@ havetype:
s->range_table = ai_range_lkup(boardtype.adrangetype, it->options[3]);
s->insn_read = dt2801_ai_insn_read;
s++;
s = &dev->subdevices[1];
/* ao subdevice */
s->type = COMEDI_SUBD_AO;
s->subdev_flags = SDF_WRITABLE;
@ -664,7 +664,7 @@ havetype:
s->insn_read = dt2801_ao_insn_read;
s->insn_write = dt2801_ao_insn_write;
s++;
s = &dev->subdevices[2];
/* 1st digital subdevice */
s->type = COMEDI_SUBD_DIO;
s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
@ -674,7 +674,7 @@ havetype:
s->insn_bits = dt2801_dio_insn_bits;
s->insn_config = dt2801_dio_insn_config;
s++;
s = &dev->subdevices[3];
/* 2nd digital subdevice */
s->type = COMEDI_SUBD_DIO;
s->subdev_flags = SDF_READABLE | SDF_WRITABLE;