diff options
| author | H Hartley Sweeten <hartleys@visionengravers.com> | 2012-09-05 18:56:05 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-05 20:06:31 -0700 |
| commit | 58f2045935b452ad1e98dc37da92c092c4ba0865 (patch) | |
| tree | 49db0570a2b22615ab522a4caf49d0f5db1da1ee | |
| parent | 123c0e03a49986fbe63509f7511484f929eb1a42 (diff) | |
staging: comedi: rtd520: 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>
| -rw-r--r-- | drivers/staging/comedi/drivers/rtd520.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c index 5aa8be1e7b92..58f5922d6e4c 100644 --- a/drivers/staging/comedi/drivers/rtd520.c +++ b/drivers/staging/comedi/drivers/rtd520.c @@ -783,7 +783,7 @@ static irqreturn_t rtd_interrupt(int irq, /* interrupt number (ignored) */ void *d) { /* our data *//* cpu context (ignored) */ struct comedi_device *dev = d; - struct comedi_subdevice *s = dev->subdevices + 0; /* analog in subdevice */ + struct comedi_subdevice *s = &dev->subdevices[0]; struct rtdPrivate *devpriv = dev->private; u32 overrun; u16 status; @@ -1706,7 +1706,7 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it) if (ret) return ret; - s = dev->subdevices + 0; + s = &dev->subdevices[0]; dev->read_subdev = s; /* analog input subdevice */ s->type = COMEDI_SUBD_AI; @@ -1726,7 +1726,7 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it) s->cancel = rtd_ai_cancel; /* s->poll = rtd_ai_poll; *//* not ready yet */ - s = dev->subdevices + 1; + s = &dev->subdevices[1]; /* analog output subdevice */ s->type = COMEDI_SUBD_AO; s->subdev_flags = SDF_WRITABLE; @@ -1736,7 +1736,7 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it) s->insn_write = rtd_ao_winsn; s->insn_read = rtd_ao_rinsn; - s = dev->subdevices + 2; + s = &dev->subdevices[2]; /* digital i/o subdevice */ s->type = COMEDI_SUBD_DIO; s->subdev_flags = SDF_READABLE | SDF_WRITABLE; @@ -1748,7 +1748,7 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it) s->insn_config = rtd_dio_insn_config; /* timer/counter subdevices (not currently supported) */ - s = dev->subdevices + 3; + s = &dev->subdevices[3]; s->type = COMEDI_SUBD_COUNTER; s->subdev_flags = SDF_READABLE | SDF_WRITABLE; s->n_chan = 3; |