From 3cbc2810a60bc4c96aa583e1ce8699fb5acf8e90 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Tue, 9 Apr 2013 16:33:04 -0700 Subject: [PATCH] staging: comedi: s526: use comedi_request_region() Use comedi_request_region() to request the I/O region used by this driver. Remove the board attach noise 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 Cc: Ian Abbott Cc: Greg Kroah-Hartman Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/s526.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/drivers/staging/comedi/drivers/s526.c b/drivers/staging/comedi/drivers/s526.c index b490b47b0bb..0fd4ba1939b 100644 --- a/drivers/staging/comedi/drivers/s526.c +++ b/drivers/staging/comedi/drivers/s526.c @@ -552,15 +552,11 @@ static int s526_attach(struct comedi_device *dev, struct comedi_devconfig *it) { struct s526_private *devpriv; struct comedi_subdevice *s; - int iobase; int ret; - iobase = it->options[0]; - if (!iobase || !request_region(iobase, S526_IOSIZE, dev->board_name)) { - comedi_error(dev, "I/O port conflict"); - return -EIO; - } - dev->iobase = iobase; + ret = comedi_request_region(dev, it->options[0], S526_IOSIZE); + if (ret) + return ret; devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL); if (!devpriv) @@ -614,8 +610,6 @@ static int s526_attach(struct comedi_device *dev, struct comedi_devconfig *it) s->insn_bits = s526_dio_insn_bits; s->insn_config = s526_dio_insn_config; - dev_info(dev->class_dev, "%s attached\n", dev->board_name); - return 1; } -- 2.41.0