openwrt/target/linux/adm5120/patches-3.3/a13-adm5120_flash-3.3-fixes.patch

--- a/drivers/mtd/maps/adm5120-flash.c
+++ b/drivers/mtd/maps/adm5120-flash.c
@@ -54,10 +54,6 @@ struct adm5120_flash_info {
 	struct resource		*res;
 	struct platform_device	*dev;
 	struct adm5120_map_info	amap;
-#ifdef CONFIG_MTD_PARTITIONS
-	int			nr_parts;
-	struct mtd_partition	*parts[MAX_PARSED_PARTS];
-#endif
 };
 
 struct flash_desc {
@@ -96,7 +92,6 @@ static const char const *probe_types[] =
 	NULL
 };
 
-#ifdef CONFIG_MTD_PARTITIONS
 static const char const *parse_types[] = {
 	"cmdlinepart",
 #ifdef CONFIG_MTD_REDBOOT_PARTS
@@ -106,7 +101,6 @@ static const char const *parse_types[] =
 	"MyLoader",
 #endif
 };
-#endif
 
 #define BANK_SIZE	(2<<20)
 #define BANK_SIZE_MAX	(4<<20)
@@ -318,89 +312,6 @@ static void adm5120_flash_initbanks(stru
 	info->mtd->size = info->amap.window_size;
 }
 
-#ifdef CONFIG_MTD_PARTITIONS
-static int adm5120_flash_initparts(struct adm5120_flash_info *info)
-{
-	struct adm5120_flash_platform_data *pdata;
-	struct map_info *map = &info->amap.map;
-	int num_parsers;
-	const char *parser[2];
-	int err = 0;
-	int nr_parts;
-	int i;
-
-	info->nr_parts = 0;
-
-	pdata = info->dev->dev.platform_data;
-	if (pdata == NULL)
-		goto out;
-
-	if (pdata->nr_parts) {
-		MAP_INFO(map, "adding static partitions\n");
-		err = add_mtd_partitions(info->mtd, pdata->parts,
-			pdata->nr_parts);
-		if (err == 0) {
-			info->nr_parts += pdata->nr_parts;
-			goto out;
-		}
-	}
-
-	num_parsers = ARRAY_SIZE(parse_types);
-	if (num_parsers > MAX_PARSED_PARTS)
-		num_parsers = MAX_PARSED_PARTS;
-
-	parser[1] = NULL;
-	for (i = 0; i < num_parsers; i++) {
-		parser[0] = parse_types[i];
-
-		MAP_INFO(map, "parsing \"%s\" partitions\n",
-			parser[0]);
-		nr_parts = parse_mtd_partitions(info->mtd, parser,
-			&info->parts[i], 0);
-
-		if (nr_parts <= 0)
-			continue;
-
-		MAP_INFO(map, "adding \"%s\" partitions\n",
-			parser[0]);
-
-		err = add_mtd_partitions(info->mtd, info->parts[i], nr_parts);
-		if (err)
-			break;
-
-		info->nr_parts += nr_parts;
-	}
-out:
-	return err;
-}
-#else
-static int adm5120_flash_initparts(struct adm5120_flash_info *info)
-{
-	return 0;
-}
-#endif /* CONFIG_MTD_PARTITIONS */
-
-#ifdef CONFIG_MTD_PARTITIONS
-static void adm5120_flash_remove_mtd(struct adm5120_flash_info *info)
-{
-	int i;
-
-	if (info->nr_parts) {
-		del_mtd_partitions(info->mtd);
-		for (i = 0; i < MAX_PARSED_PARTS; i++)
-			if (info->parts[i] != NULL)
-				kfree(info->parts[i]);
-	} else {
-		del_mtd_device(info->mtd);
-	}
-}
-#else
-static void adm5120_flash_remove_mtd(struct adm5120_flash_info *info)
-{
-	del_mtd_device(info->mtd);
-}
-#endif
-
 static int adm5120_flash_remove(struct platform_device *dev)
 {
 	struct adm5120_flash_info *info;
@@ -412,7 +323,7 @@ static int adm5120_flash_remove(struct p
 	platform_set_drvdata(dev, NULL);
 
 	if (info->mtd != NULL) {
-		adm5120_flash_remove_mtd(info);
+		mtd_device_unregister(info->mtd);
 		map_destroy(info->mtd);
 	}
 
@@ -429,11 +340,18 @@ static int adm5120_flash_remove(struct p
 
 static int adm5120_flash_probe(struct platform_device *dev)
 {
+	struct adm5120_flash_platform_data *pdata;
 	struct adm5120_flash_info *info;
 	struct map_info *map;
 	const char **probe_type;
 	int err;
 
+	pdata = dev->dev.platform_data;
+	if (!pdata) {
+		dev_err(&dev->dev, "no platform data\n");
+		return -EINVAL;
+	}
+
 	info = kzalloc(sizeof(*info), GFP_KERNEL);
 	if (info == NULL) {
 		err = -ENOMEM;
@@ -484,16 +402,11 @@ static int adm5120_flash_probe(struct pl
 
 	info->mtd->owner = THIS_MODULE;
 
-	err = adm5120_flash_initparts(info);
+	err = mtd_device_parse_register(info->mtd, parse_types, 0,
+				  	pdata->parts, pdata->nr_parts);
 	if (err)
 		goto err_out;
 
-	if (info->nr_parts == 0) {
-		MAP_INFO(map, "no partitions available, registering "
-			"whole flash\n");
-		add_mtd_device(info->mtd);
-	}
-
 	return 0;
 
 err_out: