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staging: comedi: pcl3730: use comedi_request_region()

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Use comedi_request_region() to request the I/O region used by this
driver.

Remove the noise when the board is first attached as well as the
error message when the request_region() fails, comedi_request_reqion()
will output the error message if necessary.

Also, remove the unnecessary 'dev->irq = 0'. This driver does not
use interrupts and the comedi core has already cleared this variable.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2013-04-09 16:12:34 -07:00 committed by Greg Kroah-Hartman
parent 011c131f58
commit 31427ad355
1 changed files with 3 additions and 10 deletions
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13
drivers/staging/comedi/drivers/pcm3730.c
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@ -54,18 +54,11 @@ static int pcm3730_attach(struct comedi_device *dev,
struct comedi_devconfig *it)
{
struct comedi_subdevice *s;
unsigned long iobase;
int ret;
iobase = it->options[0];
printk(KERN_INFO "comedi%d: pcm3730: 0x%04lx ", dev->minor, iobase);
if (!request_region(iobase, PCM3730_SIZE, "pcm3730")) {
printk("I/O port conflict\n");
return -EIO;
}
dev->iobase = iobase;
dev->iobase = dev->iobase;
dev->irq = 0;
ret = comedi_request_region(dev, it->options[0], PCM3730_SIZE);
if (ret)
return ret;
ret = comedi_alloc_subdevices(dev, 6);
if (ret)