mtd: onenand: convert to mtd_device_register()

Convert to mtd_device_register() and remove the CONFIG_MTD_PARTITIONS
preprocessor conditionals as partitioning is always available.

Cc: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

drivers/mtd/onenand/Kconfig

@@ -1,7 +1,6 @@
 menuconfig MTD_ONENAND
 	tristate "OneNAND Device Support"
 	depends on MTD
-	select MTD_PARTITIONS
 	help
 	  This enables support for accessing all type of OneNAND flash
 	  devices. For further information see

drivers/mtd/onenand/generic.c

@@ -30,9 +30,7 @@
  */
 #define DRIVER_NAME	"onenand-flash"
 
-#ifdef CONFIG_MTD_PARTITIONS
 static const char *part_probes[] = { "cmdlinepart", NULL,  };
-#endif
 
 struct onenand_info {
 	struct mtd_info		mtd;
@@ -75,15 +73,13 @@ static int __devinit generic_onenand_probe(struct platform_device *pdev)
 		goto out_iounmap;
 	}
 
-#ifdef CONFIG_MTD_PARTITIONS
 	err = parse_mtd_partitions(&info->mtd, part_probes, &info->parts, 0);
 	if (err > 0)
-		add_mtd_partitions(&info->mtd, info->parts, err);
+		mtd_device_register(&info->mtd, info->parts, err);
 	else if (err <= 0 && pdata && pdata->parts)
-		add_mtd_partitions(&info->mtd, pdata->parts, pdata->nr_parts);
+		mtd_device_register(&info->mtd, pdata->parts, pdata->nr_parts);
 	else
-#endif
-		err = add_mtd_device(&info->mtd);
+		err = mtd_device_register(&info->mtd, NULL, 0);
 
 	platform_set_drvdata(pdev, info);
 
@@ -108,11 +104,7 @@ static int __devexit generic_onenand_remove(struct platform_device *pdev)
 	platform_set_drvdata(pdev, NULL);
 
 	if (info) {
-		if (info->parts)
-			del_mtd_partitions(&info->mtd);
-		else
-			del_mtd_device(&info->mtd);
-
+		mtd_device_unregister(&info->mtd);
 		onenand_release(&info->mtd);
 		release_mem_region(res->start, size);
 		iounmap(info->onenand.base);

drivers/mtd/onenand/onenand_base.c

@@ -4142,12 +4142,8 @@ void onenand_release(struct mtd_info *mtd)
 {
 	struct onenand_chip *this = mtd->priv;
 
-#ifdef CONFIG_MTD_PARTITIONS
 	/* Deregister partitions */
-	del_mtd_partitions (mtd);
-#endif
-	/* Deregister the device */
-	del_mtd_device (mtd);
+	mtd_device_unregister(mtd);
 
 	/* Free bad block table memory, if allocated */
 	if (this->bbm) {