For aesthetic reasons, move the module_{init,exit} functions to the end of the file. Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx> Cc: Ian Abbott <abbotti@xxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/staging/comedi/comedi_fops.c | 169 +++++++++++++++++------------------ 1 file changed, 84 insertions(+), 85 deletions(-) diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index a066187..805a503 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -2205,91 +2205,6 @@ static void comedi_cleanup_legacy_minors(void) comedi_free_board_minor(i); } -static int __init comedi_init(void) -{ - int i; - int retval; - - pr_info("comedi: version " COMEDI_RELEASE " - http://www.comedi.org\n"); - - if (comedi_num_legacy_minors < 0 || - comedi_num_legacy_minors > COMEDI_NUM_BOARD_MINORS) { - pr_err("comedi: error: invalid value for module parameter \"comedi_num_legacy_minors\". Valid values are 0 through %i.\n", - COMEDI_NUM_BOARD_MINORS); - return -EINVAL; - } - - /* - * comedi is unusable if both comedi_autoconfig and - * comedi_num_legacy_minors are zero, so we might as well adjust the - * defaults in that case - */ - if (comedi_autoconfig == 0 && comedi_num_legacy_minors == 0) - comedi_num_legacy_minors = 16; - - memset(comedi_file_info_table, 0, - sizeof(struct comedi_file_info *) * COMEDI_NUM_MINORS); - - retval = register_chrdev_region(MKDEV(COMEDI_MAJOR, 0), - COMEDI_NUM_MINORS, "comedi"); - if (retval) - return -EIO; - cdev_init(&comedi_cdev, &comedi_fops); - comedi_cdev.owner = THIS_MODULE; - kobject_set_name(&comedi_cdev.kobj, "comedi"); - if (cdev_add(&comedi_cdev, MKDEV(COMEDI_MAJOR, 0), COMEDI_NUM_MINORS)) { - unregister_chrdev_region(MKDEV(COMEDI_MAJOR, 0), - COMEDI_NUM_MINORS); - return -EIO; - } - comedi_class = class_create(THIS_MODULE, "comedi"); - if (IS_ERR(comedi_class)) { - pr_err("comedi: failed to create class\n"); - cdev_del(&comedi_cdev); - unregister_chrdev_region(MKDEV(COMEDI_MAJOR, 0), - COMEDI_NUM_MINORS); - return PTR_ERR(comedi_class); - } - - comedi_class->dev_attrs = comedi_dev_attrs; - - /* XXX requires /proc interface */ - comedi_proc_init(); - - /* create devices files for legacy/manual use */ - for (i = 0; i < comedi_num_legacy_minors; i++) { - int minor; - minor = comedi_alloc_board_minor(NULL); - if (minor < 0) { - comedi_cleanup_legacy_minors(); - cdev_del(&comedi_cdev); - unregister_chrdev_region(MKDEV(COMEDI_MAJOR, 0), - COMEDI_NUM_MINORS); - return minor; - } - } - - return 0; -} - -static void __exit comedi_cleanup(void) -{ - int i; - - comedi_cleanup_legacy_minors(); - for (i = 0; i < COMEDI_NUM_MINORS; ++i) - BUG_ON(comedi_file_info_table[i]); - - class_destroy(comedi_class); - cdev_del(&comedi_cdev); - unregister_chrdev_region(MKDEV(COMEDI_MAJOR, 0), COMEDI_NUM_MINORS); - - comedi_proc_cleanup(); -} - -module_init(comedi_init); -module_exit(comedi_cleanup); - void comedi_error(const struct comedi_device *dev, const char *s) { dev_err(dev->class_dev, "%s: %s\n", dev->driver->driver_name, s); @@ -2512,6 +2427,90 @@ void comedi_free_subdevice_minor(struct comedi_subdevice *s) kfree(info); } +static int __init comedi_init(void) +{ + int i; + int retval; + + pr_info("comedi: version " COMEDI_RELEASE " - http://www.comedi.org\n"); + + if (comedi_num_legacy_minors < 0 || + comedi_num_legacy_minors > COMEDI_NUM_BOARD_MINORS) { + pr_err("comedi: error: invalid value for module parameter \"comedi_num_legacy_minors\". Valid values are 0 through %i.\n", + COMEDI_NUM_BOARD_MINORS); + return -EINVAL; + } + + /* + * comedi is unusable if both comedi_autoconfig and + * comedi_num_legacy_minors are zero, so we might as well adjust the + * defaults in that case + */ + if (comedi_autoconfig == 0 && comedi_num_legacy_minors == 0) + comedi_num_legacy_minors = 16; + + memset(comedi_file_info_table, 0, + sizeof(struct comedi_file_info *) * COMEDI_NUM_MINORS); + + retval = register_chrdev_region(MKDEV(COMEDI_MAJOR, 0), + COMEDI_NUM_MINORS, "comedi"); + if (retval) + return -EIO; + cdev_init(&comedi_cdev, &comedi_fops); + comedi_cdev.owner = THIS_MODULE; + kobject_set_name(&comedi_cdev.kobj, "comedi"); + if (cdev_add(&comedi_cdev, MKDEV(COMEDI_MAJOR, 0), COMEDI_NUM_MINORS)) { + unregister_chrdev_region(MKDEV(COMEDI_MAJOR, 0), + COMEDI_NUM_MINORS); + return -EIO; + } + comedi_class = class_create(THIS_MODULE, "comedi"); + if (IS_ERR(comedi_class)) { + pr_err("comedi: failed to create class\n"); + cdev_del(&comedi_cdev); + unregister_chrdev_region(MKDEV(COMEDI_MAJOR, 0), + COMEDI_NUM_MINORS); + return PTR_ERR(comedi_class); + } + + comedi_class->dev_attrs = comedi_dev_attrs; + + /* XXX requires /proc interface */ + comedi_proc_init(); + + /* create devices files for legacy/manual use */ + for (i = 0; i < comedi_num_legacy_minors; i++) { + int minor; + minor = comedi_alloc_board_minor(NULL); + if (minor < 0) { + comedi_cleanup_legacy_minors(); + cdev_del(&comedi_cdev); + unregister_chrdev_region(MKDEV(COMEDI_MAJOR, 0), + COMEDI_NUM_MINORS); + return minor; + } + } + + return 0; +} +module_init(comedi_init); + +static void __exit comedi_cleanup(void) +{ + int i; + + comedi_cleanup_legacy_minors(); + for (i = 0; i < COMEDI_NUM_MINORS; ++i) + BUG_ON(comedi_file_info_table[i]); + + class_destroy(comedi_class); + cdev_del(&comedi_cdev); + unregister_chrdev_region(MKDEV(COMEDI_MAJOR, 0), COMEDI_NUM_MINORS); + + comedi_proc_cleanup(); +} +module_exit(comedi_cleanup); + MODULE_AUTHOR("http://www.comedi.org"); MODULE_DESCRIPTION("Comedi core module"); MODULE_LICENSE("GPL"); -- 1.8.0 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel