staging: comedi: ni_at_ao: remove subdevice pointer math
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>
diff --git a/drivers/staging/comedi/drivers/ni_at_ao.c b/drivers/staging/comedi/drivers/ni_at_ao.c
index 62c8c44..93938ce 100644
--- a/drivers/staging/comedi/drivers/ni_at_ao.c
+++ b/drivers/staging/comedi/drivers/ni_at_ao.c
@@ -358,7 +358,7 @@
if (ret)
return ret;
- s = dev->subdevices + 0;
+ s = &dev->subdevices[0];
/* analog output subdevice */
s->type = COMEDI_SUBD_AO;
s->subdev_flags = SDF_WRITABLE;
@@ -371,7 +371,7 @@
s->insn_write = &atao_ao_winsn;
s->insn_read = &atao_ao_rinsn;
- s = dev->subdevices + 1;
+ s = &dev->subdevices[1];
/* digital i/o subdevice */
s->type = COMEDI_SUBD_DIO;
s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
@@ -381,7 +381,7 @@
s->insn_bits = atao_dio_insn_bits;
s->insn_config = atao_dio_insn_config;
- s = dev->subdevices + 2;
+ s = &dev->subdevices[2];
/* caldac subdevice */
s->type = COMEDI_SUBD_CALIB;
s->subdev_flags = SDF_WRITABLE | SDF_INTERNAL;
@@ -390,7 +390,7 @@
s->insn_read = atao_calib_insn_read;
s->insn_write = atao_calib_insn_write;
- s = dev->subdevices + 3;
+ s = &dev->subdevices[3];
/* eeprom subdevice */
/* s->type=COMEDI_SUBD_EEPROM; */
s->type = COMEDI_SUBD_UNUSED;