mtd: davinci_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/davinci_nand.c

@@ -57,7 +57,6 @@ struct davinci_nand_info {
 
 	struct device		*dev;
 	struct clk		*clk;
-	bool			partitioned;
 
 	bool			is_readmode;
 
@@ -530,8 +529,6 @@ static int __init nand_davinci_probe(struct platform_device *pdev)
 	int				ret;
 	uint32_t			val;
 	nand_ecc_modes_t		ecc_mode;
-	struct mtd_partition		*mtd_parts = NULL;
-	int				mtd_parts_nb = 0;
 
 	/* insist on board-specific configuration */
 	if (!pdata)
@@ -753,26 +750,8 @@ static int __init nand_davinci_probe(struct platform_device *pdev)
 	if (ret < 0)
 		goto err_scan;
 
-	mtd_parts_nb = parse_mtd_partitions(&info->mtd, NULL, &mtd_parts, 0);
-
-	if (mtd_parts_nb <= 0) {
-		mtd_parts = pdata->parts;
-		mtd_parts_nb = pdata->nr_parts;
-	}
-
-	/* Register any partitions */
-	if (mtd_parts_nb > 0) {
-		ret = mtd_device_register(&info->mtd, mtd_parts,
-					  mtd_parts_nb);
-		if (ret == 0)
-			info->partitioned = true;
-	}
-
-	/* If there's no partition info, just package the whole chip
-	 * as a single MTD device.
-	 */
-	if (!info->partitioned)
-		ret = mtd_device_register(&info->mtd, NULL, 0) ? -ENODEV : 0;
+	ret = mtd_device_parse_register(&info->mtd, NULL, 0,
+			pdata->parts, pdata->nr_parts);
 
 	if (ret < 0)
 		goto err_scan;