mtd, ubi, ubifs: update for the sync with linux v3.14

while playing with the new mtd/ubi/ubifs sync, found some
small updates for it:

- add del_mtd_partition() to include/linux/mtd/mtd
- mtd: add a debug_printf
- remove some not used functions

Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Tom Rini <trini@ti.com>

drivers/mtd/mtdcore.c

@@ -476,6 +476,8 @@ int add_mtd_device(struct mtd_info *mtd)
 	   the notifier, since we hold the mtd_table_mutex */
 	list_for_each_entry(not, &mtd_notifiers, list)
 		not->add(mtd);
+#else
+	pr_debug("mtd: Giving out device %d to %s\n", i, mtd->name);
 #endif
 
 	mutex_unlock(&mtd_table_mutex);

drivers/mtd/mtdpart.c

@@ -572,6 +572,7 @@ out_register:
 	return slave;
 }
 
+#ifndef __UBOOT__
 int mtd_add_partition(struct mtd_info *master, const char *name,
 		      long long offset, long long length)
 {
@@ -651,6 +652,7 @@ int mtd_del_partition(struct mtd_info *master, int partno)
 	return ret;
 }
 EXPORT_SYMBOL_GPL(mtd_del_partition);
+#endif
 
 /*
  * This function, given a master MTD object and a partition table, creates

fs/ubifs/super.c

@@ -2241,8 +2241,14 @@ static int ubifs_fill_super(struct super_block *sb, void *data, int silent)
 	int err;
 
 	c->vfs_sb = sb;
+#ifndef __UBOOT__
 	/* Re-open the UBI device in read-write mode */
 	c->ubi = ubi_open_volume(c->vi.ubi_num, c->vi.vol_id, UBI_READWRITE);
+#else
+	/* U-Boot read only mode */
+	c->ubi = ubi_open_volume(c->vi.ubi_num, c->vi.vol_id, UBI_READONLY);
+#endif
+
 	if (IS_ERR(c->ubi)) {
 		err = PTR_ERR(c->ubi);
 		goto out;

include/linux/mtd/mtd.h

@@ -480,6 +480,7 @@ static inline int mtd_is_bitflip_or_eccerr(int err) {
 #ifdef __UBOOT__
 /* drivers/mtd/mtdcore.h */
 int add_mtd_device(struct mtd_info *mtd);
+int del_mtd_device(struct mtd_info *mtd);
 int add_mtd_partitions(struct mtd_info *, const struct mtd_partition *, int);
 int del_mtd_partitions(struct mtd_info *);
 #endif