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staging: comedi: dt9812: 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 18:42:02 -07:00 • committed by Greg Kroah-Hartman
commit 3a2078914e
1 changed files with 4 additions and 4 deletions
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8
drivers/staging/comedi/drivers/dt9812.c
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@ -1041,7 +1041,7 @@ static int dt9812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
return ret;
/* digital input subdevice */
s = dev->subdevices + 0;
s = &dev->subdevices[0];
s->type = COMEDI_SUBD_DI;
s->subdev_flags = SDF_READABLE;
s->n_chan = 0;
@ -1050,7 +1050,7 @@ static int dt9812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
s->insn_read = &dt9812_di_rinsn;
/* digital output subdevice */
s = dev->subdevices + 1;
s = &dev->subdevices[1];
s->type = COMEDI_SUBD_DO;
s->subdev_flags = SDF_WRITEABLE;
s->n_chan = 0;
@ -1059,7 +1059,7 @@ static int dt9812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
s->insn_write = &dt9812_do_winsn;
/* analog input subdevice */
s = dev->subdevices + 2;
s = &dev->subdevices[2];
s->type = COMEDI_SUBD_AI;
s->subdev_flags = SDF_READABLE | SDF_GROUND;
s->n_chan = 0;
@ -1068,7 +1068,7 @@ static int dt9812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
s->insn_read = &dt9812_ai_rinsn;
/* analog output subdevice */
s = dev->subdevices + 3;
s = &dev->subdevices[3];
s->type = COMEDI_SUBD_AO;
s->subdev_flags = SDF_WRITEABLE;
s->n_chan = 0;