mtd: orion_nand.c: use mtd_device_parse_register

Replace custom invocations of parse_mtd_partitions and mtd_device_register
with common mtd_device_parse_register call. This would bring: standard
handling of all errors, fallback to default partitions, etc.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

drivers/mtd/nand/orion_nand.c

@@ -79,8 +79,6 @@ static int __init orion_nand_probe(struct platform_device *pdev)
 	struct resource *res;
 	void __iomem *io_base;
 	int ret = 0;
-	struct mtd_partition *partitions = NULL;
-	int num_part = 0;
 
 	nc = kzalloc(sizeof(struct nand_chip) + sizeof(struct mtd_info), GFP_KERNEL);
 	if (!nc) {
@@ -131,14 +129,8 @@ static int __init orion_nand_probe(struct platform_device *pdev)
 	}
 
 	mtd->name = "orion_nand";
-	num_part = parse_mtd_partitions(mtd, NULL, &partitions, 0);
-	/* If cmdline partitions have been passed, let them be used */
-	if (num_part <= 0) {
-		num_part = board->nr_parts;
-		partitions = board->parts;
-	}
-
-	ret = mtd_device_register(mtd, partitions, num_part);
+	ret = mtd_device_parse_register(mtd, NULL, 0,
+			board->parts, board->nr_parts);
 	if (ret) {
 		nand_release(mtd);
 		goto no_dev;