staging: comedi: ni_pcidio: tidy up the irq request
The irq is only needed to support async commands. Tidy up the
code that does the request_irq() and remove the noise.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/comedi/drivers/ni_pcidio.c b/drivers/staging/comedi/drivers/ni_pcidio.c
index 313b436..645a4d8 100644
--- a/drivers/staging/comedi/drivers/ni_pcidio.c
+++ b/drivers/staging/comedi/drivers/ni_pcidio.c
@@ -990,7 +990,6 @@
if (devpriv->di_mite_ring == NULL)
return -ENOMEM;
- irq = mite_irq(devpriv->mite);
if (board->uses_firmware) {
ret = pci_6534_upload_firmware(dev);
if (ret < 0)
@@ -1033,12 +1032,13 @@
devpriv->mite->daq_io_addr +
Master_DMA_And_Interrupt_Control);
- ret = request_irq(irq, nidio_interrupt, IRQF_SHARED,
- "ni_pcidio", dev);
- if (ret < 0)
- dev_warn(dev->class_dev, "irq not available\n");
-
- dev->irq = irq;
+ irq = mite_irq(devpriv->mite);
+ if (irq) {
+ ret = request_irq(irq, nidio_interrupt, IRQF_SHARED,
+ dev->board_name, dev);
+ if (ret == 0)
+ dev->irq = irq;
+ }
return 0;
}