diff options
| author | H Hartley Sweeten <hartleys@visionengravers.com> | 2012-09-06 01:58:51 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-06 03:06:32 (GMT) |
| commit | ae4498216be8ed2ecd1508a72458a01e6976185a (patch) | |
| tree | 892a51f6501dd269268186460920d05a90939b74 /drivers | |
| parent | bbea99d9c7221f69cadb4fd764f2a65e6292c756 (diff) | |
| download | linux-fsl-qoriq-ae4498216be8ed2ecd1508a72458a01e6976185a.tar.xz | |
staging: comedi: usbduxsigma: 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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/comedi/drivers/usbduxsigma.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/staging/comedi/drivers/usbduxsigma.c b/drivers/staging/comedi/drivers/usbduxsigma.c index f54ab8c..034f5df 100644 --- a/drivers/staging/comedi/drivers/usbduxsigma.c +++ b/drivers/staging/comedi/drivers/usbduxsigma.c @@ -356,7 +356,7 @@ static void usbduxsub_ai_IsocIrq(struct urb *urb) /* the private structure of the subdevice is struct usbduxsub */ this_usbduxsub = this_comedidev->private; /* subdevice which is the AD converter */ - s = this_comedidev->subdevices + SUBDEV_AD; + s = &this_comedidev->subdevices[SUBDEV_AD]; /* first we test if something unusual has just happened */ switch (urb->status) { @@ -558,7 +558,7 @@ static void usbduxsub_ao_IsocIrq(struct urb *urb) /* the private structure of the subdevice is struct usbduxsub */ this_usbduxsub = this_comedidev->private; - s = this_comedidev->subdevices + SUBDEV_DA; + s = &this_comedidev->subdevices[SUBDEV_DA]; switch (urb->status) { case 0: @@ -1950,7 +1950,7 @@ static void usbduxsub_pwm_irq(struct urb *urb) /* the private structure of the subdevice is struct usbduxsub */ this_usbduxsub = this_comedidev->private; - s = this_comedidev->subdevices + SUBDEV_DA; + s = &this_comedidev->subdevices[SUBDEV_DA]; switch (urb->status) { case 0: @@ -2331,7 +2331,7 @@ static int usbduxsigma_attach_common(struct comedi_device *dev, /* private structure is also simply the usb-structure */ dev->private = uds; /* the first subdevice is the A/D converter */ - s = dev->subdevices + SUBDEV_AD; + s = &dev->subdevices[SUBDEV_AD]; /* the URBs get the comedi subdevice */ /* which is responsible for reading */ /* this is the subdevice which reads data */ @@ -2358,7 +2358,7 @@ static int usbduxsigma_attach_common(struct comedi_device *dev, /* range table to convert to physical units */ s->range_table = (&range_usbdux_ai_range); /* analog output subdevice */ - s = dev->subdevices + SUBDEV_DA; + s = &dev->subdevices[SUBDEV_DA]; /* analog out */ s->type = COMEDI_SUBD_AO; /* backward pointer */ @@ -2383,7 +2383,7 @@ static int usbduxsigma_attach_common(struct comedi_device *dev, s->insn_read = usbdux_ao_insn_read; s->insn_write = usbdux_ao_insn_write; /* digital I/O subdevice */ - s = dev->subdevices + SUBDEV_DIO; + s = &dev->subdevices[SUBDEV_DIO]; s->type = COMEDI_SUBD_DIO; s->subdev_flags = SDF_READABLE | SDF_WRITABLE; /* 8 external and 16 internal channels */ @@ -2396,7 +2396,7 @@ static int usbduxsigma_attach_common(struct comedi_device *dev, s->private = NULL; if (uds->high_speed) { /* timer / pwm subdevice */ - s = dev->subdevices + SUBDEV_PWM; + s = &dev->subdevices[SUBDEV_PWM]; s->type = COMEDI_SUBD_PWM; s->subdev_flags = SDF_WRITABLE | SDF_PWM_HBRIDGE; s->n_chan = 8; |