mtd: mtdblock_ro: Use module_mtd_blktrans to register driver

Removing some boilerplate by using module_mtd_blktrans instead of calling
register and unregister in the otherwise empty init/exit functions.

Signed-off-by: Dejin Zheng <[email protected]>
Signed-off-by: Miquel Raynal <[email protected]>
Link: https://lore.kernel.org/linux-mtd/[email protected]

drivers/mtd/mtdblock_ro.c

@@ -67,18 +67,7 @@ static struct mtd_blktrans_ops mtdblock_tr = {
 	.owner		= THIS_MODULE,
 };
 
-static int __init mtdblock_init(void)
-{
-	return register_mtd_blktrans(&mtdblock_tr);
-}
-
-static void __exit mtdblock_exit(void)
-{
-	deregister_mtd_blktrans(&mtdblock_tr);
-}
-
-module_init(mtdblock_init);
-module_exit(mtdblock_exit);
+module_mtd_blktrans(mtdblock_tr);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("David Woodhouse <[email protected]>");