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staging: comedi: multiq3: 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.

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 16:29:13 -07:00 committed by Greg Kroah-Hartman
parent 4aa83c1980
commit 70998b990b
1 changed files with 7 additions and 13 deletions
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20
drivers/staging/comedi/drivers/multiq3.c
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@ -226,22 +226,16 @@ static int multiq3_attach(struct comedi_device *dev,
struct comedi_devconfig *it)
{
struct multiq3_private *devpriv;
int result = 0;
unsigned long iobase;
struct comedi_subdevice *s;
int ret;
iobase = it->options[0];
printk(KERN_INFO "comedi%d: multiq3: 0x%04lx ", dev->minor, iobase);
if (!request_region(iobase, MULTIQ3_SIZE, "multiq3")) {
printk(KERN_ERR "comedi%d: I/O port conflict\n", dev->minor);
return -EIO;
}
ret = comedi_request_region(dev, it->options[0], MULTIQ3_SIZE);
if (ret)
return ret;
dev->iobase = iobase;
result = comedi_alloc_subdevices(dev, 5);
if (result)
return result;
ret = comedi_alloc_subdevices(dev, 5);
if (ret)
return ret;
devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL);
if (!devpriv)