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path: root/drivers/staging/comedi/drivers/me4000.c
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Diffstat (limited to 'drivers/staging/comedi/drivers/me4000.c')
-rw-r--r--drivers/staging/comedi/drivers/me4000.c52
1 files changed, 21 insertions, 31 deletions
diff --git a/drivers/staging/comedi/drivers/me4000.c b/drivers/staging/comedi/drivers/me4000.c
index 3d12e9135926..e739bcd66a04 100644
--- a/drivers/staging/comedi/drivers/me4000.c
+++ b/drivers/staging/comedi/drivers/me4000.c
@@ -328,13 +328,12 @@ static const struct me4000_board me4000_boards[] = {
};
static const struct comedi_lrange me4000_ai_range = {
- 4,
- {
- UNI_RANGE(2.5),
- UNI_RANGE(10),
- BIP_RANGE(2.5),
- BIP_RANGE(10),
- }
+ 4, {
+ UNI_RANGE(2.5),
+ UNI_RANGE(10),
+ BIP_RANGE(2.5),
+ BIP_RANGE(10)
+ }
};
#define FIRMWARE_NOT_AVAILABLE 1
@@ -1105,7 +1104,7 @@ static irqreturn_t me4000_ai_isr(int irq, void *dev_id)
{
unsigned int tmp;
struct comedi_device *dev = dev_id;
- struct comedi_subdevice *s = &dev->subdevices[0];
+ struct comedi_subdevice *s = dev->read_subdev;
int i;
int c = 0;
unsigned int lval;
@@ -1116,12 +1115,6 @@ static irqreturn_t me4000_ai_isr(int irq, void *dev_id)
/* Reset all events */
s->async->events = 0;
- /* Check if irq number is right */
- if (irq != dev->irq) {
- dev_err(dev->class_dev, "Incorrect interrupt num: %d\n", irq);
- return IRQ_HANDLED;
- }
-
if (inl(dev->iobase + ME4000_IRQ_STATUS_REG) &
ME4000_IRQ_STATUS_BIT_AI_HF) {
/* Read status register to find out what happened */
@@ -1505,6 +1498,13 @@ static int me4000_auto_attach(struct comedi_device *dev,
me4000_reset(dev);
+ if (pcidev->irq > 0) {
+ result = request_irq(pcidev->irq, me4000_ai_isr, IRQF_SHARED,
+ dev->board_name, dev);
+ if (result == 0)
+ dev->irq = pcidev->irq;
+ }
+
result = comedi_alloc_subdevices(dev, 4);
if (result)
return result;
@@ -1525,22 +1525,12 @@ static int me4000_auto_attach(struct comedi_device *dev,
s->range_table = &me4000_ai_range;
s->insn_read = me4000_ai_insn_read;
- if (pcidev->irq > 0) {
- if (request_irq(pcidev->irq, me4000_ai_isr,
- IRQF_SHARED, dev->board_name, dev)) {
- dev_warn(dev->class_dev,
- "request_irq failed\n");
- } else {
- dev->read_subdev = s;
- s->subdev_flags |= SDF_CMD_READ;
- s->cancel = me4000_ai_cancel;
- s->do_cmdtest = me4000_ai_do_cmd_test;
- s->do_cmd = me4000_ai_do_cmd;
-
- dev->irq = pcidev->irq;
- }
- } else {
- dev_warn(dev->class_dev, "No interrupt available\n");
+ if (dev->irq) {
+ dev->read_subdev = s;
+ s->subdev_flags |= SDF_CMD_READ;
+ s->cancel = me4000_ai_cancel;
+ s->do_cmdtest = me4000_ai_do_cmd_test;
+ s->do_cmd = me4000_ai_do_cmd;
}
} else {
s->type = COMEDI_SUBD_UNUSED;
@@ -1635,7 +1625,7 @@ static int me4000_pci_probe(struct pci_dev *dev,
return comedi_pci_auto_config(dev, &me4000_driver, id->driver_data);
}
-static DEFINE_PCI_DEVICE_TABLE(me4000_pci_table) = {
+static const struct pci_device_id me4000_pci_table[] = {
{ PCI_VDEVICE(MEILHAUS, 0x4650), BOARD_ME4650 },
{ PCI_VDEVICE(MEILHAUS, 0x4660), BOARD_ME4660 },
{ PCI_VDEVICE(MEILHAUS, 0x4661), BOARD_ME4660I },