diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/comedi/drivers/quatech_daqp_cs.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/staging/comedi/drivers/quatech_daqp_cs.c b/drivers/staging/comedi/drivers/quatech_daqp_cs.c index 3325f24448b5..fb427dbe98f5 100644 --- a/drivers/staging/comedi/drivers/quatech_daqp_cs.c +++ b/drivers/staging/comedi/drivers/quatech_daqp_cs.c @@ -244,8 +244,7 @@ static int daqp_ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s) * comedi kernel module, and signal various comedi callback routines, * which run pretty quick. */ - -static void daqp_interrupt(int irq, void *dev_id) +static enum irqreturn daqp_interrupt(int irq, void *dev_id) { struct local_info_t *local = (struct local_info_t *)dev_id; struct comedi_device *dev; @@ -256,32 +255,32 @@ static void daqp_interrupt(int irq, void *dev_id) if (local == NULL) { printk(KERN_WARNING "daqp_interrupt(): irq %d for unknown device.\n", irq); - return; + return IRQ_NONE; } dev = local->dev; if (dev == NULL) { printk(KERN_WARNING "daqp_interrupt(): NULL comedi_device.\n"); - return; + return IRQ_NONE; } if (!dev->attached) { printk(KERN_WARNING "daqp_interrupt(): struct comedi_device not yet attached.\n"); - return; + return IRQ_NONE; } s = local->s; if (s == NULL) { printk(KERN_WARNING "daqp_interrupt(): NULL comedi_subdevice.\n"); - return; + return IRQ_NONE; } if ((struct local_info_t *)s->private != local) { printk(KERN_WARNING "daqp_interrupt(): invalid comedi_subdevice.\n"); - return; + return IRQ_NONE; } switch (local->interrupt_mode) { @@ -340,6 +339,7 @@ static void daqp_interrupt(int irq, void *dev_id) comedi_event(dev, s); } + return IRQ_HANDLED; } /* One-shot analog data acquisition routine */ @@ -580,7 +580,7 @@ static int daqp_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) { struct local_info_t *local = (struct local_info_t *)s->private; struct comedi_cmd *cmd = &s->async->cmd; - int counter = 100; + int counter; int scanlist_start_on_every_entry; int threshold; @@ -613,14 +613,14 @@ static int daqp_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) */ if (cmd->convert_src == TRIG_TIMER) { - int counter = daqp_ns_to_timer(&cmd->convert_arg, + counter = daqp_ns_to_timer(&cmd->convert_arg, cmd->flags & TRIG_ROUND_MASK); outb(counter & 0xff, dev->iobase + DAQP_PACER_LOW); outb((counter >> 8) & 0xff, dev->iobase + DAQP_PACER_MID); outb((counter >> 16) & 0xff, dev->iobase + DAQP_PACER_HIGH); scanlist_start_on_every_entry = 1; } else { - int counter = daqp_ns_to_timer(&cmd->scan_begin_arg, + counter = daqp_ns_to_timer(&cmd->scan_begin_arg, cmd->flags & TRIG_ROUND_MASK); outb(counter & 0xff, dev->iobase + DAQP_PACER_LOW); outb((counter >> 8) & 0xff, dev->iobase + DAQP_PACER_MID); @@ -755,7 +755,7 @@ static int daqp_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) /* Reset any pending interrupts (my card has a tendancy to require * require multiple reads on the status register to achieve this) */ - + counter = 100; while (--counter && (inb(dev->iobase + DAQP_STATUS) & DAQP_STATUS_EVENTS)) ; if (!counter) { @@ -1244,7 +1244,7 @@ static struct pcmcia_device_id daqp_cs_id_table[] = { MODULE_DEVICE_TABLE(pcmcia, daqp_cs_id_table); -struct pcmcia_driver daqp_cs_driver = { +static struct pcmcia_driver daqp_cs_driver = { .probe = daqp_cs_attach, .remove = daqp_cs_detach, .suspend = daqp_cs_suspend, |