mtd, ubi, ubifs: resync with Linux-3.14
resync ubi subsystem with linux:
commit 455c6fdbd219161bd09b1165f11699d6d73de11c
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun Mar 30 20:40:15 2014 -0700
Linux 3.14
A nice side effect of this, is we introduce UBI Fastmap support
to U-Boot.
Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Tom Rini <trini@ti.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Sergey Lapin <slapin@ossfans.org>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Joerg Krause <jkrause@posteo.de>
diff --git a/include/linux/mtd/partitions.h b/include/linux/mtd/partitions.h
index d1d9a96..ce0e8db 100644
--- a/include/linux/mtd/partitions.h
+++ b/include/linux/mtd/partitions.h
@@ -1,11 +1,9 @@
/*
* MTD partitioning layer definitions
*
- * (C) 2000 Nicolas Pitre <nico@cam.org>
+ * (C) 2000 Nicolas Pitre <nico@fluxnic.net>
*
* This code is GPL
- *
- * $Id: partitions.h,v 1.17 2005/11/07 11:14:55 gleixner Exp $
*/
#ifndef MTD_PARTITIONS_H
@@ -18,7 +16,7 @@
* Partition definition structure:
*
* An array of struct partition is passed along with a MTD object to
- * add_mtd_partitions() to create them.
+ * mtd_device_register() to create them.
*
* For each partition, these fields are available:
* name: string that will be used to label the partition's MTD device.
@@ -26,7 +24,9 @@
* will extend to the end of the master MTD device.
* offset: absolute starting position within the master MTD device; if
* defined as MTDPART_OFS_APPEND, the partition will start where the
- * previous one ended; if MTDPART_OFS_NXTBLK, at the next erase block.
+ * previous one ended; if MTDPART_OFS_NXTBLK, at the next erase block;
+ * if MTDPART_OFS_RETAIN, consume as much as possible, leaving size
+ * after the end of partition.
* mask_flags: contains flags that have to be masked (removed) from the
* master MTD flag set for the corresponding MTD partition.
* For example, to force a read-only partition, simply adding
@@ -37,23 +37,34 @@
*/
struct mtd_partition {
- char *name; /* identifier string */
+ const char *name; /* identifier string */
uint64_t size; /* partition size */
uint64_t offset; /* offset within the master MTD space */
- u_int32_t mask_flags; /* master MTD flags to mask out for this partition */
- struct nand_ecclayout *ecclayout; /* out of band layout for this partition (NAND only)*/
- struct mtd_info **mtdp; /* pointer to store the MTD object */
+ uint32_t mask_flags; /* master MTD flags to mask out for this partition */
+ struct nand_ecclayout *ecclayout; /* out of band layout for this partition (NAND only) */
};
+#define MTDPART_OFS_RETAIN (-3)
#define MTDPART_OFS_NXTBLK (-2)
#define MTDPART_OFS_APPEND (-1)
#define MTDPART_SIZ_FULL (0)
-int add_mtd_partitions(struct mtd_info *, const struct mtd_partition *, int);
-int del_mtd_partitions(struct mtd_info *);
+struct mtd_info;
+struct device_node;
-#if 0
+#ifndef __UBOOT__
+/**
+ * struct mtd_part_parser_data - used to pass data to MTD partition parsers.
+ * @origin: for RedBoot, start address of MTD device
+ * @of_node: for OF parsers, device node containing partitioning information
+ */
+struct mtd_part_parser_data {
+ unsigned long origin;
+ struct device_node *of_node;
+};
+
+
/*
* Functions dealing with the various ways of partitioning the space
*/
@@ -62,23 +73,18 @@
struct list_head list;
struct module *owner;
const char *name;
- int (*parse_fn)(struct mtd_info *, struct mtd_partition **, unsigned long);
+ int (*parse_fn)(struct mtd_info *, struct mtd_partition **,
+ struct mtd_part_parser_data *);
};
-extern int register_mtd_parser(struct mtd_part_parser *parser);
-extern int deregister_mtd_parser(struct mtd_part_parser *parser);
-extern int parse_mtd_partitions(struct mtd_info *master, const char **types,
- struct mtd_partition **pparts, unsigned long origin);
-
-#define put_partition_parser(p) do { module_put((p)->owner); } while(0)
-
-struct device;
-struct device_node;
-
-int __devinit of_mtd_parse_partitions(struct device *dev,
- struct mtd_info *mtd,
- struct device_node *node,
- struct mtd_partition **pparts);
+extern void register_mtd_parser(struct mtd_part_parser *parser);
+extern void deregister_mtd_parser(struct mtd_part_parser *parser);
#endif
+int mtd_is_partition(const struct mtd_info *mtd);
+int mtd_add_partition(struct mtd_info *master, const char *name,
+ long long offset, long long length);
+int mtd_del_partition(struct mtd_info *master, int partno);
+uint64_t mtd_get_device_size(const struct mtd_info *mtd);
+
#endif