[PATCH] fix non-existent /dev/adb

From: Benjamin Herrenschmidt <benh@kernel.crashing.org>

This patch fixes the lack of /dev/adb in kernel 2.6.7-rc1.  The call to
devfs_mk_cdev() has probably been removed too soon.  Hope this one is
better than the last one ;)
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Colin Leroy <colin@colino.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/macintosh/adb.c

@@ -900,6 +900,9 @@ adbdev_init(void)
 		printk(KERN_ERR "adb: unable to get major %d\n", ADB_MAJOR);
 		return;
 	}
+
+	devfs_mk_cdev(MKDEV(ADB_MAJOR, 0), S_IFCHR | S_IRUSR | S_IWUSR, "adb");
+
 	adb_dev_class = class_simple_create(THIS_MODULE, "adb");
 	if (IS_ERR(adb_dev_class)) {
 		return;