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path: root/drivers/staging/comedi/drivers/pcmmio.c
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Diffstat (limited to 'drivers/staging/comedi/drivers/pcmmio.c')
-rw-r--r--drivers/staging/comedi/drivers/pcmmio.c32
1 files changed, 10 insertions, 22 deletions
diff --git a/drivers/staging/comedi/drivers/pcmmio.c b/drivers/staging/comedi/drivers/pcmmio.c
index 3d2e6f01c4b..a10bf0a2987 100644
--- a/drivers/staging/comedi/drivers/pcmmio.c
+++ b/drivers/staging/comedi/drivers/pcmmio.c
@@ -526,6 +526,7 @@ static irqreturn_t interrupt_pcmmio(int irq, void *d)
{
int asic, got1 = 0;
struct comedi_device *dev = (struct comedi_device *)d;
+ int i;
for (asic = 0; asic < MAX_ASICS; ++asic) {
if (irq == devpriv->asics[asic].irq) {
@@ -583,9 +584,8 @@ static irqreturn_t interrupt_pcmmio(int irq, void *d)
printk
(KERN_DEBUG "got edge detect interrupt %d asic %d which_chans: %06x\n",
irq, asic, triggered);
- for (s = dev->subdevices + 2;
- s < dev->subdevices + dev->n_subdevices;
- ++s) {
+ for (i = 2; i < dev->n_subdevices; i++) {
+ s = &dev->subdevices[i];
/*
* this is an interrupt subdev,
* and it matches this asic!
@@ -1076,9 +1076,8 @@ static int pcmmio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
return ret;
/* First, AI */
- sdev_no = 0;
- s = dev->subdevices + sdev_no;
- s->private = devpriv->sprivs + sdev_no;
+ s = &dev->subdevices[0];
+ s->private = &devpriv->sprivs[0];
s->maxdata = (1 << board->ai_bits) - 1;
s->range_table = board->ai_range_table;
s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_DIFF;
@@ -1092,9 +1091,8 @@ static int pcmmio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
outb(0, subpriv->iobase + 4 + 3);
/* Next, AO */
- ++sdev_no;
- s = dev->subdevices + sdev_no;
- s->private = devpriv->sprivs + sdev_no;
+ s = &dev->subdevices[1];
+ s->private = &devpriv->sprivs[1];
s->maxdata = (1 << board->ao_bits) - 1;
s->range_table = board->ao_range_table;
s->subdev_flags = SDF_READABLE;
@@ -1108,14 +1106,13 @@ static int pcmmio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
outb(0, subpriv->iobase + 3);
outb(0, subpriv->iobase + 4 + 3);
- ++sdev_no;
port = 0;
asic = 0;
- for (; sdev_no < (int)dev->n_subdevices; ++sdev_no) {
+ for (sdev_no = 2; sdev_no < dev->n_subdevices; ++sdev_no) {
int byte_no;
- s = dev->subdevices + sdev_no;
- s->private = devpriv->sprivs + sdev_no;
+ s = &dev->subdevices[sdev_no];
+ s->private = &devpriv->sprivs[sdev_no];
s->maxdata = 1;
s->range_table = &range_digital;
s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
@@ -1200,15 +1197,6 @@ static int pcmmio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
* multiple irqs..
*/
- if (irq[0]) {
- printk(KERN_DEBUG "comedi%d: irq: %u\n", dev->minor, irq[0]);
- if (board->dio_num_asics == 2 && irq[1])
- printk(KERN_DEBUG "comedi%d: second ASIC irq: %u\n",
- dev->minor, irq[1]);
- } else {
- printk(KERN_INFO "comedi%d: (IRQ mode disabled)\n", dev->minor);
- }
-
printk(KERN_INFO "comedi%d: attached\n", dev->minor);
return 1;