26  * Handling of mouse minor numbers for kerneld:
80 static void misc_minor_free(int minor)  in misc_minor_free()  argument
82 	if (minor < DYNAMIC_MINORS)  in misc_minor_free()
83 		ida_free(&misc_minors_ida, DYNAMIC_MINORS - minor - 1);  in misc_minor_free()
84 	else if (minor > MISC_DYNAMIC_MINOR)  in misc_minor_free()
85 		ida_free(&misc_minors_ida, minor);  in misc_minor_free()
109 	seq_printf(seq, "%3i %s\n", p->minor, p->name ? p->name : "");  in misc_seq_show()
124 	int minor = iminor(inode);  in misc_open()  local
132 		if (iter->minor != minor)  in misc_open()
141 		request_module("char-major-%d-%d", MISC_MAJOR, minor);  in misc_open()
145 			if (iter->minor != minor)  in misc_open()
197  *	Register a miscellaneous device with the kernel. If the minor
198  *	number is set to %MISC_DYNAMIC_MINOR a minor number is assigned
199  *	and placed in the minor field of the structure. For other cases
200  *	the minor number requested is used.
215 	bool is_dynamic = (misc->minor == MISC_DYNAMIC_MINOR);  in misc_register()
228 		misc->minor = i;  in misc_register()
233 			if (c->minor == misc->minor) {  in misc_register()
240 	dev = MKDEV(MISC_MAJOR, misc->minor);  in misc_register()
247 			misc_minor_free(misc->minor);  in misc_register()
248 			misc->minor = MISC_DYNAMIC_MINOR;  in misc_register()
280 	device_destroy(&misc_class, MKDEV(MISC_MAJOR, misc->minor));  in misc_deregister()
281 	misc_minor_free(misc->minor);  in misc_deregister()