evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

staging: comedi: amplc_pci230: tidy up irq request

Browse source 
Clean up the irq request in the attach of this driver and remove the
dev_{level} noise.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2013-12-05 13:43:33 -07:00 • committed by Greg Kroah-Hartman
parent 95dc140a5e
commit e10c19a83c
1 changed files with 11 additions and 16 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
drivers/staging/comedi/drivers/amplc_pci230.c
View file

@ -2633,7 +2633,7 @@ static int pci230_attach_common(struct comedi_device *dev,
struct comedi_subdevice *s;
unsigned long iobase1, iobase2;
/* PCI230's I/O spaces 1 and 2 respectively. */
int irq_hdl, rc;
int rc;
comedi_set_hw_dev(dev, &pci_dev->dev);
@ -2705,16 +2705,12 @@ static int pci230_attach_common(struct comedi_device *dev,
outw(devpriv->adcg, dev->iobase + PCI230_ADCG);
outw(devpriv->adccon | PCI230_ADC_FIFO_RESET,
dev->iobase + PCI230_ADCCON);
/* Register the interrupt handler. */
irq_hdl = request_irq(pci_dev->irq, pci230_interrupt,
IRQF_SHARED, "amplc_pci230", dev);
if (irq_hdl < 0) {
dev_warn(dev->class_dev,
"unable to register irq %u, commands will not be available\n",
pci_dev->irq);
} else {
dev->irq = pci_dev->irq;
dev_dbg(dev->class_dev, "registered irq %u\n", pci_dev->irq);
if (pci_dev->irq) {
rc = request_irq(pci_dev->irq, pci230_interrupt, IRQF_SHARED,
dev->board_name, dev);
if (rc == 0)
dev->irq = pci_dev->irq;
}
rc = comedi_alloc_subdevices(dev, 3);
@ -2730,14 +2726,14 @@ static int pci230_attach_common(struct comedi_device *dev,
s->range_table = &pci230_ai_range;
s->insn_read = &pci230_ai_rinsn;
s->len_chanlist = 256; /* but there are restrictions. */
/* Only register commands if the interrupt handler is installed. */
if (irq_hdl == 0) {
if (dev->irq) {
dev->read_subdev = s;
s->subdev_flags |= SDF_CMD_READ;
s->do_cmd = &pci230_ai_cmd;
s->do_cmdtest = &pci230_ai_cmdtest;
s->cancel = pci230_ai_cancel;
}
s = &dev->subdevices[1];
/* analog output subdevice */
if (thisboard->ao_chans > 0) {
@ -2749,9 +2745,7 @@ static int pci230_attach_common(struct comedi_device *dev,
s->insn_write = &pci230_ao_winsn;
s->insn_read = &pci230_ao_rinsn;
s->len_chanlist = thisboard->ao_chans;
/* Only register commands if the interrupt handler is
* installed. */
if (irq_hdl == 0) {
if (dev->irq) {
dev->write_subdev = s;
s->subdev_flags |= SDF_CMD_WRITE;
s->do_cmd = &pci230_ao_cmd;
@ -2761,6 +2755,7 @@ static int pci230_attach_common(struct comedi_device *dev,
} else {
s->type = COMEDI_SUBD_UNUSED;
}
s = &dev->subdevices[2];
/* digital i/o subdevice */
if (thisboard->have_dio) {