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staging: comedi: aio_aio12_8: use comedi_request_region()

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

Remove 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 16:21:31 -07:00 committed by Greg Kroah-Hartman
parent 044c2e1756
commit a59585145f
1 changed files with 5 additions and 9 deletions
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14
drivers/staging/comedi/drivers/aio_aio12_8.c
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@ -200,15 +200,11 @@ static int aio_aio12_8_attach(struct comedi_device *dev,
const struct aio12_8_boardtype *board = comedi_board(dev);
struct aio12_8_private *devpriv;
struct comedi_subdevice *s;
int iobase;
int ret;
iobase = it->options[0];
if (!request_region(iobase, 32, dev->board_name)) {
printk(KERN_ERR "I/O port conflict");
return -EIO;
}
dev->iobase = iobase;
ret = comedi_request_region(dev, it->options[0], 32);
if (ret)
return ret;
devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL);
if (!devpriv)
@ -248,8 +244,8 @@ static int aio_aio12_8_attach(struct comedi_device *dev,
s = &dev->subdevices[2];
/* 8255 Digital i/o subdevice */
iobase = dev->iobase + AIO12_8_8255_BASE_REG;
ret = subdev_8255_init(dev, s, NULL, iobase);
ret = subdev_8255_init(dev, s, NULL,
dev->iobase + AIO12_8_8255_BASE_REG);
if (ret)
return ret;