mtd: maps: use mtd_device_register() where applicable

If driver doesn't specify parsers it can use that little helper.

Signed-off-by: Rafał Miłecki <[e-mail]>
Signed-off-by: Boris Brezillon <[e-mail]>

drivers/mtd/maps/impa7.c

···
 		if (impa7_mtd[i]) {
 			impa7_mtd[i]->owner = THIS_MODULE;
 			devicesfound++;
-			mtd_device_parse_register(impa7_mtd[i], NULL, NULL,
-						  partitions,
-						  ARRAY_SIZE(partitions));
+			mtd_device_register(impa7_mtd[i], partitions,
+					    ARRAY_SIZE(partitions));
 		} else {
 			iounmap((void __iomem *)impa7_map[i].virt);
 		}

drivers/mtd/maps/intel_vr_nor.c

···
 {
 	/* register the flash bank */
 	/* partition the flash bank */
-	return mtd_device_parse_register(p->info, NULL, NULL, NULL, 0);
+	return mtd_device_register(p->info, NULL, 0);
 }
 
 static void vr_nor_destroy_mtd_setup(struct vr_nor_mtd *p)

drivers/mtd/maps/latch-addr-flash.c

···
 	}
 	info->mtd->dev.parent = &dev->dev;
 
-	mtd_device_parse_register(info->mtd, NULL, NULL,
-				  latch_addr_data->parts,
-				  latch_addr_data->nr_parts);
+	mtd_device_register(info->mtd, latch_addr_data->parts,
+			    latch_addr_data->nr_parts);
 	return 0;
 
 iounmap:

drivers/mtd/maps/rbtx4939-flash.c

···
 		goto err_out;
 	}
 	info->mtd->dev.parent = &dev->dev;
-	err = mtd_device_parse_register(info->mtd, NULL, NULL, pdata->parts,
-					pdata->nr_parts);
+	err = mtd_device_register(info->mtd, pdata->parts, pdata->nr_parts);
 
 	if (err)
 		goto err_out;