/*
* Simple MTD partitioning layer
*
- * (C) 2000 Nicolas Pitre <nico@cam.org>
+ * Copyright © 2000 Nicolas Pitre <nico@fluxnic.net>
+ * Copyright © 2002 Thomas Gleixner <gleixner@linutronix.de>
+ * Copyright © 2000-2010 David Woodhouse <dwmw2@infradead.org>
*
- * This code is GPL
+ * SPDX-License-Identifier: GPL-2.0+
*
- * 02-21-2002 Thomas Gleixner <gleixner@autronix.de>
- * added support for read_oob, write_oob
*/
+#define __UBOOT__
+#ifndef __UBOOT__
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/list.h>
+#include <linux/kmod.h>
+#endif
+
#include <common.h>
#include <malloc.h>
#include <asm/errno.h>
+#include <linux/compat.h>
+#include <ubi_uboot.h>
-#include <linux/types.h>
-#include <linux/list.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
-#include <linux/compat.h>
+#include <linux/err.h>
+
+#include "mtdcore.h"
/* Our partition linked list */
-struct list_head mtd_partitions;
+static LIST_HEAD(mtd_partitions);
+#ifndef __UBOOT__
+static DEFINE_MUTEX(mtd_partitions_mutex);
+#else
+DEFINE_MUTEX(mtd_partitions_mutex);
+#endif
/* Our partition node structure */
struct mtd_part {
struct mtd_info mtd;
struct mtd_info *master;
uint64_t offset;
- int index;
struct list_head list;
- int registered;
};
/*
#define PART(x) ((struct mtd_part *)(x))
+#ifdef __UBOOT__
+/* from mm/util.c */
+
+/**
+ * kstrdup - allocate space for and copy an existing string
+ * @s: the string to duplicate
+ * @gfp: the GFP mask used in the kmalloc() call when allocating memory
+ */
+char *kstrdup(const char *s, gfp_t gfp)
+{
+ size_t len;
+ char *buf;
+
+ if (!s)
+ return NULL;
+
+ len = strlen(s) + 1;
+ buf = kmalloc(len, gfp);
+ if (buf)
+ memcpy(buf, s, len);
+ return buf;
+}
+#endif
+
/*
* MTD methods which simply translate the effective address and pass through
* to the _real_ device.
int res;
stats = part->master->ecc_stats;
- res = mtd_read(part->master, from + part->offset, len, retlen, buf);
- if (unlikely(res)) {
- if (mtd_is_bitflip(res))
- mtd->ecc_stats.corrected += part->master->ecc_stats.corrected - stats.corrected;
- if (mtd_is_eccerr(res))
- mtd->ecc_stats.failed += part->master->ecc_stats.failed - stats.failed;
- }
+ res = part->master->_read(part->master, from + part->offset, len,
+ retlen, buf);
+ if (unlikely(mtd_is_eccerr(res)))
+ mtd->ecc_stats.failed +=
+ part->master->ecc_stats.failed - stats.failed;
+ else
+ mtd->ecc_stats.corrected +=
+ part->master->ecc_stats.corrected - stats.corrected;
return res;
}
+#ifndef __UBOOT__
+static int part_point(struct mtd_info *mtd, loff_t from, size_t len,
+ size_t *retlen, void **virt, resource_size_t *phys)
+{
+ struct mtd_part *part = PART(mtd);
+
+ return part->master->_point(part->master, from + part->offset, len,
+ retlen, virt, phys);
+}
+
+static int part_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
+{
+ struct mtd_part *part = PART(mtd);
+
+ return part->master->_unpoint(part->master, from + part->offset, len);
+}
+#endif
+
+static unsigned long part_get_unmapped_area(struct mtd_info *mtd,
+ unsigned long len,
+ unsigned long offset,
+ unsigned long flags)
+{
+ struct mtd_part *part = PART(mtd);
+
+ offset += part->offset;
+ return part->master->_get_unmapped_area(part->master, len, offset,
+ flags);
+}
+
static int part_read_oob(struct mtd_info *mtd, loff_t from,
struct mtd_oob_ops *ops)
{
return -EINVAL;
if (ops->datbuf && from + ops->len > mtd->size)
return -EINVAL;
- res = mtd_read_oob(part->master, from + part->offset, ops);
+ /*
+ * If OOB is also requested, make sure that we do not read past the end
+ * of this partition.
+ */
+ if (ops->oobbuf) {
+ size_t len, pages;
+
+ if (ops->mode == MTD_OPS_AUTO_OOB)
+ len = mtd->oobavail;
+ else
+ len = mtd->oobsize;
+ pages = mtd_div_by_ws(mtd->size, mtd);
+ pages -= mtd_div_by_ws(from, mtd);
+ if (ops->ooboffs + ops->ooblen > pages * len)
+ return -EINVAL;
+ }
+
+ res = part->master->_read_oob(part->master, from + part->offset, ops);
if (unlikely(res)) {
if (mtd_is_bitflip(res))
mtd->ecc_stats.corrected++;
size_t len, size_t *retlen, u_char *buf)
{
struct mtd_part *part = PART(mtd);
- return mtd_read_user_prot_reg(part->master, from, len, retlen, buf);
+ return part->master->_read_user_prot_reg(part->master, from, len,
+ retlen, buf);
}
-static int part_get_user_prot_info(struct mtd_info *mtd,
- struct otp_info *buf, size_t len)
+static int part_get_user_prot_info(struct mtd_info *mtd, size_t len,
+ size_t *retlen, struct otp_info *buf)
{
struct mtd_part *part = PART(mtd);
- return mtd_get_user_prot_info(part->master, buf, len);
+ return part->master->_get_user_prot_info(part->master, len, retlen,
+ buf);
}
static int part_read_fact_prot_reg(struct mtd_info *mtd, loff_t from,
size_t len, size_t *retlen, u_char *buf)
{
struct mtd_part *part = PART(mtd);
- return mtd_read_fact_prot_reg(part->master, from, len, retlen, buf);
+ return part->master->_read_fact_prot_reg(part->master, from, len,
+ retlen, buf);
}
-static int part_get_fact_prot_info(struct mtd_info *mtd, struct otp_info *buf,
- size_t len)
+static int part_get_fact_prot_info(struct mtd_info *mtd, size_t len,
+ size_t *retlen, struct otp_info *buf)
{
struct mtd_part *part = PART(mtd);
- return mtd_get_fact_prot_info(part->master, buf, len);
+ return part->master->_get_fact_prot_info(part->master, len, retlen,
+ buf);
}
static int part_write(struct mtd_info *mtd, loff_t to, size_t len,
size_t *retlen, const u_char *buf)
{
struct mtd_part *part = PART(mtd);
- return mtd_write(part->master, to + part->offset, len, retlen, buf);
+ return part->master->_write(part->master, to + part->offset, len,
+ retlen, buf);
+}
+
+static int part_panic_write(struct mtd_info *mtd, loff_t to, size_t len,
+ size_t *retlen, const u_char *buf)
+{
+ struct mtd_part *part = PART(mtd);
+ return part->master->_panic_write(part->master, to + part->offset, len,
+ retlen, buf);
}
static int part_write_oob(struct mtd_info *mtd, loff_t to,
return -EINVAL;
if (ops->datbuf && to + ops->len > mtd->size)
return -EINVAL;
- return mtd_write_oob(part->master, to + part->offset, ops);
+ return part->master->_write_oob(part->master, to + part->offset, ops);
}
static int part_write_user_prot_reg(struct mtd_info *mtd, loff_t from,
size_t len, size_t *retlen, u_char *buf)
{
struct mtd_part *part = PART(mtd);
- return mtd_write_user_prot_reg(part->master, from, len, retlen, buf);
+ return part->master->_write_user_prot_reg(part->master, from, len,
+ retlen, buf);
}
static int part_lock_user_prot_reg(struct mtd_info *mtd, loff_t from,
size_t len)
{
struct mtd_part *part = PART(mtd);
- return mtd_lock_user_prot_reg(part->master, from, len);
+ return part->master->_lock_user_prot_reg(part->master, from, len);
}
+#ifndef __UBOOT__
+static int part_writev(struct mtd_info *mtd, const struct kvec *vecs,
+ unsigned long count, loff_t to, size_t *retlen)
+{
+ struct mtd_part *part = PART(mtd);
+ return part->master->_writev(part->master, vecs, count,
+ to + part->offset, retlen);
+}
+#endif
+
static int part_erase(struct mtd_info *mtd, struct erase_info *instr)
{
struct mtd_part *part = PART(mtd);
int ret;
instr->addr += part->offset;
- ret = mtd_erase(part->master, instr);
+ ret = part->master->_erase(part->master, instr);
if (ret) {
if (instr->fail_addr != MTD_FAIL_ADDR_UNKNOWN)
instr->fail_addr -= part->offset;
if (instr->callback)
instr->callback(instr);
}
+EXPORT_SYMBOL_GPL(mtd_erase_callback);
static int part_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
{
struct mtd_part *part = PART(mtd);
- return mtd_lock(part->master, ofs + part->offset, len);
+ return part->master->_lock(part->master, ofs + part->offset, len);
}
static int part_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
{
struct mtd_part *part = PART(mtd);
- return mtd_unlock(part->master, ofs + part->offset, len);
+ return part->master->_unlock(part->master, ofs + part->offset, len);
+}
+
+static int part_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
+{
+ struct mtd_part *part = PART(mtd);
+ return part->master->_is_locked(part->master, ofs + part->offset, len);
}
static void part_sync(struct mtd_info *mtd)
{
struct mtd_part *part = PART(mtd);
- mtd_sync(part->master);
+ part->master->_sync(part->master);
}
+#ifndef __UBOOT__
+static int part_suspend(struct mtd_info *mtd)
+{
+ struct mtd_part *part = PART(mtd);
+ return part->master->_suspend(part->master);
+}
+
+static void part_resume(struct mtd_info *mtd)
+{
+ struct mtd_part *part = PART(mtd);
+ part->master->_resume(part->master);
+}
+#endif
+
static int part_block_isbad(struct mtd_info *mtd, loff_t ofs)
{
struct mtd_part *part = PART(mtd);
ofs += part->offset;
- return mtd_block_isbad(part->master, ofs);
+ return part->master->_block_isbad(part->master, ofs);
}
static int part_block_markbad(struct mtd_info *mtd, loff_t ofs)
int res;
ofs += part->offset;
- res = mtd_block_markbad(part->master, ofs);
+ res = part->master->_block_markbad(part->master, ofs);
if (!res)
mtd->ecc_stats.badblocks++;
return res;
}
+static inline void free_partition(struct mtd_part *p)
+{
+ kfree(p->mtd.name);
+ kfree(p);
+}
+
/*
* This function unregisters and destroy all slave MTD objects which are
* attached to the given master MTD object.
int del_mtd_partitions(struct mtd_info *master)
{
struct mtd_part *slave, *next;
+ int ret, err = 0;
+ mutex_lock(&mtd_partitions_mutex);
list_for_each_entry_safe(slave, next, &mtd_partitions, list)
if (slave->master == master) {
+ ret = del_mtd_device(&slave->mtd);
+ if (ret < 0) {
+ err = ret;
+ continue;
+ }
list_del(&slave->list);
- if (slave->registered)
- del_mtd_device(&slave->mtd);
- kfree(slave);
+ free_partition(slave);
}
+ mutex_unlock(&mtd_partitions_mutex);
- return 0;
+ return err;
}
-static struct mtd_part *add_one_partition(struct mtd_info *master,
- const struct mtd_partition *part, int partno,
- uint64_t cur_offset)
+static struct mtd_part *allocate_partition(struct mtd_info *master,
+ const struct mtd_partition *part, int partno,
+ uint64_t cur_offset)
{
struct mtd_part *slave;
+ char *name;
/* allocate the partition structure */
slave = kzalloc(sizeof(*slave), GFP_KERNEL);
- if (!slave) {
+ name = kstrdup(part->name, GFP_KERNEL);
+ if (!name || !slave) {
printk(KERN_ERR"memory allocation error while creating partitions for \"%s\"\n",
- master->name);
- del_mtd_partitions(master);
- return NULL;
+ master->name);
+ kfree(name);
+ kfree(slave);
+ return ERR_PTR(-ENOMEM);
}
- list_add(&slave->list, &mtd_partitions);
/* set up the MTD object for this partition */
slave->mtd.type = master->type;
slave->mtd.flags = master->flags & ~part->mask_flags;
slave->mtd.size = part->size;
slave->mtd.writesize = master->writesize;
+ slave->mtd.writebufsize = master->writebufsize;
slave->mtd.oobsize = master->oobsize;
slave->mtd.oobavail = master->oobavail;
slave->mtd.subpage_sft = master->subpage_sft;
- slave->mtd.name = part->name;
+ slave->mtd.name = name;
slave->mtd.owner = master->owner;
+#ifndef __UBOOT__
+ slave->mtd.backing_dev_info = master->backing_dev_info;
+
+ /* NOTE: we don't arrange MTDs as a tree; it'd be error-prone
+ * to have the same data be in two different partitions.
+ */
+ slave->mtd.dev.parent = master->dev.parent;
+#endif
slave->mtd._read = part_read;
slave->mtd._write = part_write;
+ if (master->_panic_write)
+ slave->mtd._panic_write = part_panic_write;
+
+#ifndef __UBOOT__
+ if (master->_point && master->_unpoint) {
+ slave->mtd._point = part_point;
+ slave->mtd._unpoint = part_unpoint;
+ }
+#endif
+
+ if (master->_get_unmapped_area)
+ slave->mtd._get_unmapped_area = part_get_unmapped_area;
if (master->_read_oob)
slave->mtd._read_oob = part_read_oob;
if (master->_write_oob)
slave->mtd._get_fact_prot_info = part_get_fact_prot_info;
if (master->_sync)
slave->mtd._sync = part_sync;
+#ifndef __UBOOT__
+ if (!partno && !master->dev.class && master->_suspend &&
+ master->_resume) {
+ slave->mtd._suspend = part_suspend;
+ slave->mtd._resume = part_resume;
+ }
+ if (master->_writev)
+ slave->mtd._writev = part_writev;
+#endif
if (master->_lock)
slave->mtd._lock = part_lock;
if (master->_unlock)
slave->mtd._unlock = part_unlock;
+ if (master->_is_locked)
+ slave->mtd._is_locked = part_is_locked;
if (master->_block_isbad)
slave->mtd._block_isbad = part_block_isbad;
if (master->_block_markbad)
slave->mtd._erase = part_erase;
slave->master = master;
slave->offset = part->offset;
- slave->index = partno;
if (slave->offset == MTDPART_OFS_APPEND)
slave->offset = cur_offset;
if (mtd_mod_by_eb(cur_offset, master) != 0) {
/* Round up to next erasesize */
slave->offset = (mtd_div_by_eb(cur_offset, master) + 1) * master->erasesize;
- debug("Moving partition %d: 0x%012llx -> 0x%012llx\n",
- partno, (unsigned long long)cur_offset,
- (unsigned long long)slave->offset);
+ debug("Moving partition %d: "
+ "0x%012llx -> 0x%012llx\n", partno,
+ (unsigned long long)cur_offset, (unsigned long long)slave->offset);
+ }
+ }
+ if (slave->offset == MTDPART_OFS_RETAIN) {
+ slave->offset = cur_offset;
+ if (master->size - slave->offset >= slave->mtd.size) {
+ slave->mtd.size = master->size - slave->offset
+ - slave->mtd.size;
+ } else {
+ debug("mtd partition \"%s\" doesn't have enough space: %#llx < %#llx, disabled\n",
+ part->name, master->size - slave->offset,
+ slave->mtd.size);
+ /* register to preserve ordering */
+ goto out_register;
}
}
if (slave->mtd.size == MTDPART_SIZ_FULL)
slave->mtd.size = master->size - slave->offset;
- debug("0x%012llx-0x%012llx : \"%s\"\n",
- (unsigned long long)slave->offset,
- (unsigned long long)(slave->offset + slave->mtd.size),
- slave->mtd.name);
+ debug("0x%012llx-0x%012llx : \"%s\"\n", (unsigned long long)slave->offset,
+ (unsigned long long)(slave->offset + slave->mtd.size), slave->mtd.name);
/* let's do some sanity checks */
if (slave->offset >= master->size) {
for (i = 0; i < max && regions[i].offset <= slave->offset; i++)
;
/* The loop searched for the region _behind_ the first one */
- i--;
+ if (i > 0)
+ i--;
/* Pick biggest erasesize */
for (; i < max && regions[i].offset < end; i++) {
}
slave->mtd.ecclayout = master->ecclayout;
+ slave->mtd.ecc_step_size = master->ecc_step_size;
+ slave->mtd.ecc_strength = master->ecc_strength;
+ slave->mtd.bitflip_threshold = master->bitflip_threshold;
+
if (master->_block_isbad) {
uint64_t offs = 0;
}
out_register:
- if (part->mtdp) {
- /* store the object pointer (caller may or may not register it*/
- *part->mtdp = &slave->mtd;
- slave->registered = 0;
- } else {
- /* register our partition */
- add_mtd_device(&slave->mtd);
- slave->registered = 1;
- }
return slave;
}
+#ifndef __UBOOT__
+int mtd_add_partition(struct mtd_info *master, const char *name,
+ long long offset, long long length)
+{
+ struct mtd_partition part;
+ struct mtd_part *p, *new;
+ uint64_t start, end;
+ int ret = 0;
+
+ /* the direct offset is expected */
+ if (offset == MTDPART_OFS_APPEND ||
+ offset == MTDPART_OFS_NXTBLK)
+ return -EINVAL;
+
+ if (length == MTDPART_SIZ_FULL)
+ length = master->size - offset;
+
+ if (length <= 0)
+ return -EINVAL;
+
+ part.name = name;
+ part.size = length;
+ part.offset = offset;
+ part.mask_flags = 0;
+ part.ecclayout = NULL;
+
+ new = allocate_partition(master, &part, -1, offset);
+ if (IS_ERR(new))
+ return PTR_ERR(new);
+
+ start = offset;
+ end = offset + length;
+
+ mutex_lock(&mtd_partitions_mutex);
+ list_for_each_entry(p, &mtd_partitions, list)
+ if (p->master == master) {
+ if ((start >= p->offset) &&
+ (start < (p->offset + p->mtd.size)))
+ goto err_inv;
+
+ if ((end >= p->offset) &&
+ (end < (p->offset + p->mtd.size)))
+ goto err_inv;
+ }
+
+ list_add(&new->list, &mtd_partitions);
+ mutex_unlock(&mtd_partitions_mutex);
+
+ add_mtd_device(&new->mtd);
+
+ return ret;
+err_inv:
+ mutex_unlock(&mtd_partitions_mutex);
+ free_partition(new);
+ return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(mtd_add_partition);
+
+int mtd_del_partition(struct mtd_info *master, int partno)
+{
+ struct mtd_part *slave, *next;
+ int ret = -EINVAL;
+
+ mutex_lock(&mtd_partitions_mutex);
+ list_for_each_entry_safe(slave, next, &mtd_partitions, list)
+ if ((slave->master == master) &&
+ (slave->mtd.index == partno)) {
+ ret = del_mtd_device(&slave->mtd);
+ if (ret < 0)
+ break;
+
+ list_del(&slave->list);
+ free_partition(slave);
+ break;
+ }
+ mutex_unlock(&mtd_partitions_mutex);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(mtd_del_partition);
+#endif
+
/*
* This function, given a master MTD object and a partition table, creates
* and registers slave MTD objects which are bound to the master according to
uint64_t cur_offset = 0;
int i;
+#ifdef __UBOOT__
/*
* Need to init the list here, since LIST_INIT() does not
* work on platforms where relocation has problems (like MIPS
*/
if (mtd_partitions.next == NULL)
INIT_LIST_HEAD(&mtd_partitions);
+#endif
debug("Creating %d MTD partitions on \"%s\":\n", nbparts, master->name);
for (i = 0; i < nbparts; i++) {
- slave = add_one_partition(master, parts + i, i, cur_offset);
- if (!slave)
- return -ENOMEM;
+ slave = allocate_partition(master, parts + i, i, cur_offset);
+ if (IS_ERR(slave))
+ return PTR_ERR(slave);
+
+ mutex_lock(&mtd_partitions_mutex);
+ list_add(&slave->list, &mtd_partitions);
+ mutex_unlock(&mtd_partitions_mutex);
+
+ add_mtd_device(&slave->mtd);
+
cur_offset = slave->offset + slave->mtd.size;
}
return 0;
}
+
+#ifndef __UBOOT__
+static DEFINE_SPINLOCK(part_parser_lock);
+static LIST_HEAD(part_parsers);
+
+static struct mtd_part_parser *get_partition_parser(const char *name)
+{
+ struct mtd_part_parser *p, *ret = NULL;
+
+ spin_lock(&part_parser_lock);
+
+ list_for_each_entry(p, &part_parsers, list)
+ if (!strcmp(p->name, name) && try_module_get(p->owner)) {
+ ret = p;
+ break;
+ }
+
+ spin_unlock(&part_parser_lock);
+
+ return ret;
+}
+
+#define put_partition_parser(p) do { module_put((p)->owner); } while (0)
+
+void register_mtd_parser(struct mtd_part_parser *p)
+{
+ spin_lock(&part_parser_lock);
+ list_add(&p->list, &part_parsers);
+ spin_unlock(&part_parser_lock);
+}
+EXPORT_SYMBOL_GPL(register_mtd_parser);
+
+void deregister_mtd_parser(struct mtd_part_parser *p)
+{
+ spin_lock(&part_parser_lock);
+ list_del(&p->list);
+ spin_unlock(&part_parser_lock);
+}
+EXPORT_SYMBOL_GPL(deregister_mtd_parser);
+
+/*
+ * Do not forget to update 'parse_mtd_partitions()' kerneldoc comment if you
+ * are changing this array!
+ */
+static const char * const default_mtd_part_types[] = {
+ "cmdlinepart",
+ "ofpart",
+ NULL
+};
+
+/**
+ * parse_mtd_partitions - parse MTD partitions
+ * @master: the master partition (describes whole MTD device)
+ * @types: names of partition parsers to try or %NULL
+ * @pparts: array of partitions found is returned here
+ * @data: MTD partition parser-specific data
+ *
+ * This function tries to find partition on MTD device @master. It uses MTD
+ * partition parsers, specified in @types. However, if @types is %NULL, then
+ * the default list of parsers is used. The default list contains only the
+ * "cmdlinepart" and "ofpart" parsers ATM.
+ * Note: If there are more then one parser in @types, the kernel only takes the
+ * partitions parsed out by the first parser.
+ *
+ * This function may return:
+ * o a negative error code in case of failure
+ * o zero if no partitions were found
+ * o a positive number of found partitions, in which case on exit @pparts will
+ * point to an array containing this number of &struct mtd_info objects.
+ */
+int parse_mtd_partitions(struct mtd_info *master, const char *const *types,
+ struct mtd_partition **pparts,
+ struct mtd_part_parser_data *data)
+{
+ struct mtd_part_parser *parser;
+ int ret = 0;
+
+ if (!types)
+ types = default_mtd_part_types;
+
+ for ( ; ret <= 0 && *types; types++) {
+ parser = get_partition_parser(*types);
+ if (!parser && !request_module("%s", *types))
+ parser = get_partition_parser(*types);
+ if (!parser)
+ continue;
+ ret = (*parser->parse_fn)(master, pparts, data);
+ put_partition_parser(parser);
+ if (ret > 0) {
+ printk(KERN_NOTICE "%d %s partitions found on MTD device %s\n",
+ ret, parser->name, master->name);
+ break;
+ }
+ }
+ return ret;
+}
+#endif
+
+int mtd_is_partition(const struct mtd_info *mtd)
+{
+ struct mtd_part *part;
+ int ispart = 0;
+
+ mutex_lock(&mtd_partitions_mutex);
+ list_for_each_entry(part, &mtd_partitions, list)
+ if (&part->mtd == mtd) {
+ ispart = 1;
+ break;
+ }
+ mutex_unlock(&mtd_partitions_mutex);
+
+ return ispart;
+}
+EXPORT_SYMBOL_GPL(mtd_is_partition);
+
+/* Returns the size of the entire flash chip */
+uint64_t mtd_get_device_size(const struct mtd_info *mtd)
+{
+ if (!mtd_is_partition(mtd))
+ return mtd->size;
+
+ return PART(mtd)->master->size;
+}
+EXPORT_SYMBOL_GPL(mtd_get_device_size);
projects / karo-tx-uboot.git / blobdiff