If the interrupt is not available this driver will still work
with command support disabled for the analog input subdevice.
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/ni_labpc.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c
index 350ba04..a52647a 100644
--- a/drivers/staging/comedi/drivers/ni_labpc.c
+++ b/drivers/staging/comedi/drivers/ni_labpc.c
@@ -1661,20 +1661,16 @@ int labpc_common_attach(struct comedi_device *dev, unsigned long iobase,
devpriv->write_byte(devpriv->cmd6, dev->iobase + CMD6_REG);
}
- /* grab our IRQ */
if (irq) {
isr_flags = 0;
if (board->bustype == pci_bustype ||
board->bustype == pcmcia_bustype)
isr_flags |= IRQF_SHARED;
- if (request_irq(irq, labpc_interrupt, isr_flags,
- dev->board_name, dev)) {
- dev_err(dev->class_dev, "unable to allocate irq %u\n",
- irq);
- return -EINVAL;
- }
+ ret = request_irq(irq, labpc_interrupt, isr_flags,
+ dev->board_name, dev);
+ if (ret == 0)
+ dev->irq = irq;
}
- dev->irq = irq;
#ifdef CONFIG_ISA_DMA_API
/* grab dma channel */
--
1.8.1.4
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