]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/commitdiff
staging: comedi: pcl724: tidy up pcl724_attach()
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Mon, 10 Jun 2013 17:16:15 +0000 (10:16 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 12 Jun 2013 00:16:46 +0000 (17:16 -0700)
Consolidate the special handling of the 'hoard->can_have96' flag.
This flag overrides the iorange and n_subdevices for the PCL-724
board when it is used in a 96 DIO configuration.

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>
drivers/staging/comedi/drivers/pcl724.c

index 5391294ef14cb6f47416a1fc4b5158ac9377b985..329aa9a54d0a00ba05f5c3435ce26645174f4997 100644 (file)
@@ -111,27 +111,31 @@ static int pcl724_8255mapped_io(int dir, int port, int data,
        }
 }
 
-static int pcl724_attach(struct comedi_device *dev, struct comedi_devconfig *it)
+static int pcl724_attach(struct comedi_device *dev,
+                        struct comedi_devconfig *it)
 {
        const struct pcl724_board *board = comedi_board(dev);
        struct comedi_subdevice *s;
        unsigned long iobase;
        unsigned int iorange;
-       int ret, i, n_subdevices;
+       int n_subdevices;
+       int ret;
+       int i;
 
        iorange = board->io_range;
-       if ((board->can_have96) &&
-           ((it->options[1] == 1) || (it->options[1] == 96)))
-               iorange = 0x10; /* PCL-724 in 96 DIO configuration */
+       n_subdevices = board->numofports;
+
+       /* Handle PCL-724 in 96 DIO configuration */
+       if (board->can_have96 &&
+           (it->options[1] == 1 || it->options[1] == 96)) {
+               iorange = 0x10;
+               n_subdevices = 4;
+       }
+
        ret = comedi_request_region(dev, it->options[0], iorange);
        if (ret)
                return ret;
 
-       n_subdevices = board->numofports;
-       if ((board->can_have96) && ((it->options[1] == 1)
-                                        || (it->options[1] == 96)))
-               n_subdevices = 4;       /*  PCL-724 in 96 DIO configuration */
-
        ret = comedi_alloc_subdevices(dev, n_subdevices);
        if (ret)
                return ret;