+/*
+ * Copyright (C) 2010 Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <linux/module.h>
+#include <linux/fs.h>
+
+MODULE_LICENSE("GPL");
+static int major = 10;
+module_param_named(major, major, int, S_IRUGO | S_IWUSR);
+
+static int __init ch_init(void)
+{
+ int r;
+ r = register_chrdev_region(MKDEV(major, 0), 256, "hello");
+ if (r)
+ return r;
+ return 0;
+}
+
+static void __exit ch_exit(void)
+{
+ unregister_chrdev_region(MKDEV(major, 0), 256);
+}
+
+module_init(ch_init);
+module_exit(ch_exit);