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Diffstat (limited to 'target/linux/generic/backport-4.9/065-v4.13-0005-mtd-partitions-rename-master-to-the-parent-where-app.patch')
-rw-r--r--target/linux/generic/backport-4.9/065-v4.13-0005-mtd-partitions-rename-master-to-the-parent-where-app.patch606
1 files changed, 0 insertions, 606 deletions
diff --git a/target/linux/generic/backport-4.9/065-v4.13-0005-mtd-partitions-rename-master-to-the-parent-where-app.patch b/target/linux/generic/backport-4.9/065-v4.13-0005-mtd-partitions-rename-master-to-the-parent-where-app.patch
deleted file mode 100644
index 7951227654..0000000000
--- a/target/linux/generic/backport-4.9/065-v4.13-0005-mtd-partitions-rename-master-to-the-parent-where-app.patch
+++ /dev/null
@@ -1,606 +0,0 @@
-From 0a9d72b69da6d8dae1abd7990c6c4c749846ef3e Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
-Date: Wed, 21 Jun 2017 08:26:44 +0200
-Subject: [PATCH] mtd: partitions: rename "master" to the "parent" where
- appropriate
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-This prepares mtd subsystem for the new feature: subpartitions. In some
-cases flash device partition can be a container with extra subpartitions
-(volumes).
-
-So far there was a flat structure implemented. One master (flash device)
-could be partitioned into few partitions. Every partition got its master
-and it was enough to get things running.
-
-To support subpartitions we need to store pointer to the parent for each
-partition. This is required to implement more natural tree structure and
-handle all recursion and offsets calculation.
-
-To make code consistent this patch renamed "master" to the "parent" in
-places where we can be dealing with subpartitions.
-
-Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
-Signed-off-by: Brian Norris <computersforpeace@gmail.com>
----
- drivers/mtd/mtdpart.c | 204 ++++++++++++++++++++++++++------------------------
- 1 file changed, 105 insertions(+), 99 deletions(-)
-
---- a/drivers/mtd/mtdpart.c
-+++ b/drivers/mtd/mtdpart.c
-@@ -37,10 +37,16 @@
- static LIST_HEAD(mtd_partitions);
- static DEFINE_MUTEX(mtd_partitions_mutex);
-
--/* Our partition node structure */
-+/**
-+ * struct mtd_part - our partition node structure
-+ *
-+ * @mtd: struct holding partition details
-+ * @parent: parent mtd - flash device or another partition
-+ * @offset: partition offset relative to the *flash device*
-+ */
- struct mtd_part {
- struct mtd_info mtd;
-- struct mtd_info *master;
-+ struct mtd_info *parent;
- uint64_t offset;
- struct list_head list;
- };
-@@ -67,15 +73,15 @@ static int part_read(struct mtd_info *mt
- struct mtd_ecc_stats stats;
- int res;
-
-- stats = part->master->ecc_stats;
-- res = part->master->_read(part->master, from + part->offset, len,
-+ stats = part->parent->ecc_stats;
-+ res = part->parent->_read(part->parent, from + part->offset, len,
- retlen, buf);
- if (unlikely(mtd_is_eccerr(res)))
- mtd->ecc_stats.failed +=
-- part->master->ecc_stats.failed - stats.failed;
-+ part->parent->ecc_stats.failed - stats.failed;
- else
- mtd->ecc_stats.corrected +=
-- part->master->ecc_stats.corrected - stats.corrected;
-+ part->parent->ecc_stats.corrected - stats.corrected;
- return res;
- }
-
-@@ -84,7 +90,7 @@ static int part_point(struct mtd_info *m
- {
- struct mtd_part *part = mtd_to_part(mtd);
-
-- return part->master->_point(part->master, from + part->offset, len,
-+ return part->parent->_point(part->parent, from + part->offset, len,
- retlen, virt, phys);
- }
-
-@@ -92,7 +98,7 @@ static int part_unpoint(struct mtd_info
- {
- struct mtd_part *part = mtd_to_part(mtd);
-
-- return part->master->_unpoint(part->master, from + part->offset, len);
-+ return part->parent->_unpoint(part->parent, from + part->offset, len);
- }
-
- static unsigned long part_get_unmapped_area(struct mtd_info *mtd,
-@@ -103,7 +109,7 @@ static unsigned long part_get_unmapped_a
- struct mtd_part *part = mtd_to_part(mtd);
-
- offset += part->offset;
-- return part->master->_get_unmapped_area(part->master, len, offset,
-+ return part->parent->_get_unmapped_area(part->parent, len, offset,
- flags);
- }
-
-@@ -132,7 +138,7 @@ static int part_read_oob(struct mtd_info
- return -EINVAL;
- }
-
-- res = part->master->_read_oob(part->master, from + part->offset, ops);
-+ res = part->parent->_read_oob(part->parent, from + part->offset, ops);
- if (unlikely(res)) {
- if (mtd_is_bitflip(res))
- mtd->ecc_stats.corrected++;
-@@ -146,7 +152,7 @@ static int part_read_user_prot_reg(struc
- size_t len, size_t *retlen, u_char *buf)
- {
- struct mtd_part *part = mtd_to_part(mtd);
-- return part->master->_read_user_prot_reg(part->master, from, len,
-+ return part->parent->_read_user_prot_reg(part->parent, from, len,
- retlen, buf);
- }
-
-@@ -154,7 +160,7 @@ static int part_get_user_prot_info(struc
- size_t *retlen, struct otp_info *buf)
- {
- struct mtd_part *part = mtd_to_part(mtd);
-- return part->master->_get_user_prot_info(part->master, len, retlen,
-+ return part->parent->_get_user_prot_info(part->parent, len, retlen,
- buf);
- }
-
-@@ -162,7 +168,7 @@ static int part_read_fact_prot_reg(struc
- size_t len, size_t *retlen, u_char *buf)
- {
- struct mtd_part *part = mtd_to_part(mtd);
-- return part->master->_read_fact_prot_reg(part->master, from, len,
-+ return part->parent->_read_fact_prot_reg(part->parent, from, len,
- retlen, buf);
- }
-
-@@ -170,7 +176,7 @@ static int part_get_fact_prot_info(struc
- size_t *retlen, struct otp_info *buf)
- {
- struct mtd_part *part = mtd_to_part(mtd);
-- return part->master->_get_fact_prot_info(part->master, len, retlen,
-+ return part->parent->_get_fact_prot_info(part->parent, len, retlen,
- buf);
- }
-
-@@ -178,7 +184,7 @@ static int part_write(struct mtd_info *m
- size_t *retlen, const u_char *buf)
- {
- struct mtd_part *part = mtd_to_part(mtd);
-- return part->master->_write(part->master, to + part->offset, len,
-+ return part->parent->_write(part->parent, to + part->offset, len,
- retlen, buf);
- }
-
-@@ -186,7 +192,7 @@ static int part_panic_write(struct mtd_i
- size_t *retlen, const u_char *buf)
- {
- struct mtd_part *part = mtd_to_part(mtd);
-- return part->master->_panic_write(part->master, to + part->offset, len,
-+ return part->parent->_panic_write(part->parent, to + part->offset, len,
- retlen, buf);
- }
-
-@@ -199,14 +205,14 @@ static int part_write_oob(struct mtd_inf
- return -EINVAL;
- if (ops->datbuf && to + ops->len > mtd->size)
- return -EINVAL;
-- return part->master->_write_oob(part->master, to + part->offset, ops);
-+ return part->parent->_write_oob(part->parent, 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 = mtd_to_part(mtd);
-- return part->master->_write_user_prot_reg(part->master, from, len,
-+ return part->parent->_write_user_prot_reg(part->parent, from, len,
- retlen, buf);
- }
-
-@@ -214,14 +220,14 @@ static int part_lock_user_prot_reg(struc
- size_t len)
- {
- struct mtd_part *part = mtd_to_part(mtd);
-- return part->master->_lock_user_prot_reg(part->master, from, len);
-+ return part->parent->_lock_user_prot_reg(part->parent, from, len);
- }
-
- 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 = mtd_to_part(mtd);
-- return part->master->_writev(part->master, vecs, count,
-+ return part->parent->_writev(part->parent, vecs, count,
- to + part->offset, retlen);
- }
-
-@@ -231,7 +237,7 @@ static int part_erase(struct mtd_info *m
- int ret;
-
- instr->addr += part->offset;
-- ret = part->master->_erase(part->master, instr);
-+ ret = part->parent->_erase(part->parent, instr);
- if (ret) {
- if (instr->fail_addr != MTD_FAIL_ADDR_UNKNOWN)
- instr->fail_addr -= part->offset;
-@@ -257,51 +263,51 @@ EXPORT_SYMBOL_GPL(mtd_erase_callback);
- static int part_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
- {
- struct mtd_part *part = mtd_to_part(mtd);
-- return part->master->_lock(part->master, ofs + part->offset, len);
-+ return part->parent->_lock(part->parent, ofs + part->offset, len);
- }
-
- static int part_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
- {
- struct mtd_part *part = mtd_to_part(mtd);
-- return part->master->_unlock(part->master, ofs + part->offset, len);
-+ return part->parent->_unlock(part->parent, ofs + part->offset, len);
- }
-
- static int part_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
- {
- struct mtd_part *part = mtd_to_part(mtd);
-- return part->master->_is_locked(part->master, ofs + part->offset, len);
-+ return part->parent->_is_locked(part->parent, ofs + part->offset, len);
- }
-
- static void part_sync(struct mtd_info *mtd)
- {
- struct mtd_part *part = mtd_to_part(mtd);
-- part->master->_sync(part->master);
-+ part->parent->_sync(part->parent);
- }
-
- static int part_suspend(struct mtd_info *mtd)
- {
- struct mtd_part *part = mtd_to_part(mtd);
-- return part->master->_suspend(part->master);
-+ return part->parent->_suspend(part->parent);
- }
-
- static void part_resume(struct mtd_info *mtd)
- {
- struct mtd_part *part = mtd_to_part(mtd);
-- part->master->_resume(part->master);
-+ part->parent->_resume(part->parent);
- }
-
- static int part_block_isreserved(struct mtd_info *mtd, loff_t ofs)
- {
- struct mtd_part *part = mtd_to_part(mtd);
- ofs += part->offset;
-- return part->master->_block_isreserved(part->master, ofs);
-+ return part->parent->_block_isreserved(part->parent, ofs);
- }
-
- static int part_block_isbad(struct mtd_info *mtd, loff_t ofs)
- {
- struct mtd_part *part = mtd_to_part(mtd);
- ofs += part->offset;
-- return part->master->_block_isbad(part->master, ofs);
-+ return part->parent->_block_isbad(part->parent, ofs);
- }
-
- static int part_block_markbad(struct mtd_info *mtd, loff_t ofs)
-@@ -310,7 +316,7 @@ static int part_block_markbad(struct mtd
- int res;
-
- ofs += part->offset;
-- res = part->master->_block_markbad(part->master, ofs);
-+ res = part->parent->_block_markbad(part->parent, ofs);
- if (!res)
- mtd->ecc_stats.badblocks++;
- return res;
-@@ -319,13 +325,13 @@ static int part_block_markbad(struct mtd
- static int part_get_device(struct mtd_info *mtd)
- {
- struct mtd_part *part = mtd_to_part(mtd);
-- return part->master->_get_device(part->master);
-+ return part->parent->_get_device(part->parent);
- }
-
- static void part_put_device(struct mtd_info *mtd)
- {
- struct mtd_part *part = mtd_to_part(mtd);
-- part->master->_put_device(part->master);
-+ part->parent->_put_device(part->parent);
- }
-
- static int part_ooblayout_ecc(struct mtd_info *mtd, int section,
-@@ -333,7 +339,7 @@ static int part_ooblayout_ecc(struct mtd
- {
- struct mtd_part *part = mtd_to_part(mtd);
-
-- return mtd_ooblayout_ecc(part->master, section, oobregion);
-+ return mtd_ooblayout_ecc(part->parent, section, oobregion);
- }
-
- static int part_ooblayout_free(struct mtd_info *mtd, int section,
-@@ -341,7 +347,7 @@ static int part_ooblayout_free(struct mt
- {
- struct mtd_part *part = mtd_to_part(mtd);
-
-- return mtd_ooblayout_free(part->master, section, oobregion);
-+ return mtd_ooblayout_free(part->parent, section, oobregion);
- }
-
- static const struct mtd_ooblayout_ops part_ooblayout_ops = {
-@@ -353,7 +359,7 @@ static int part_max_bad_blocks(struct mt
- {
- struct mtd_part *part = mtd_to_part(mtd);
-
-- return part->master->_max_bad_blocks(part->master,
-+ return part->parent->_max_bad_blocks(part->parent,
- ofs + part->offset, len);
- }
-
-@@ -363,12 +369,12 @@ static inline void free_partition(struct
- kfree(p);
- }
-
--static struct mtd_part *allocate_partition(struct mtd_info *master,
-+static struct mtd_part *allocate_partition(struct mtd_info *parent,
- const struct mtd_partition *part, int partno,
- uint64_t cur_offset)
- {
-- int wr_alignment = (master->flags & MTD_NO_ERASE) ? master->writesize:
-- master->erasesize;
-+ int wr_alignment = (parent->flags & MTD_NO_ERASE) ? parent->writesize:
-+ parent->erasesize;
- struct mtd_part *slave;
- u32 remainder;
- char *name;
-@@ -379,25 +385,25 @@ static struct mtd_part *allocate_partiti
- name = kstrdup(part->name, GFP_KERNEL);
- if (!name || !slave) {
- printk(KERN_ERR"memory allocation error while creating partitions for \"%s\"\n",
-- master->name);
-+ parent->name);
- kfree(name);
- kfree(slave);
- return ERR_PTR(-ENOMEM);
- }
-
- /* set up the MTD object for this partition */
-- slave->mtd.type = master->type;
-- slave->mtd.flags = master->flags & ~part->mask_flags;
-+ slave->mtd.type = parent->type;
-+ slave->mtd.flags = parent->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.pairing = master->pairing;
-+ slave->mtd.writesize = parent->writesize;
-+ slave->mtd.writebufsize = parent->writebufsize;
-+ slave->mtd.oobsize = parent->oobsize;
-+ slave->mtd.oobavail = parent->oobavail;
-+ slave->mtd.subpage_sft = parent->subpage_sft;
-+ slave->mtd.pairing = parent->pairing;
-
- slave->mtd.name = name;
-- slave->mtd.owner = master->owner;
-+ slave->mtd.owner = parent->owner;
-
- /* NOTE: Historically, we didn't arrange MTDs as a tree out of
- * concern for showing the same data in multiple partitions.
-@@ -408,70 +414,70 @@ static struct mtd_part *allocate_partiti
- * distinguish between the master and the partition in sysfs.
- */
- slave->mtd.dev.parent = IS_ENABLED(CONFIG_MTD_PARTITIONED_MASTER) ?
-- &master->dev :
-- master->dev.parent;
-+ &parent->dev :
-+ parent->dev.parent;
- slave->mtd.dev.of_node = part->of_node;
-
- slave->mtd._read = part_read;
- slave->mtd._write = part_write;
-
-- if (master->_panic_write)
-+ if (parent->_panic_write)
- slave->mtd._panic_write = part_panic_write;
-
-- if (master->_point && master->_unpoint) {
-+ if (parent->_point && parent->_unpoint) {
- slave->mtd._point = part_point;
- slave->mtd._unpoint = part_unpoint;
- }
-
-- if (master->_get_unmapped_area)
-+ if (parent->_get_unmapped_area)
- slave->mtd._get_unmapped_area = part_get_unmapped_area;
-- if (master->_read_oob)
-+ if (parent->_read_oob)
- slave->mtd._read_oob = part_read_oob;
-- if (master->_write_oob)
-+ if (parent->_write_oob)
- slave->mtd._write_oob = part_write_oob;
-- if (master->_read_user_prot_reg)
-+ if (parent->_read_user_prot_reg)
- slave->mtd._read_user_prot_reg = part_read_user_prot_reg;
-- if (master->_read_fact_prot_reg)
-+ if (parent->_read_fact_prot_reg)
- slave->mtd._read_fact_prot_reg = part_read_fact_prot_reg;
-- if (master->_write_user_prot_reg)
-+ if (parent->_write_user_prot_reg)
- slave->mtd._write_user_prot_reg = part_write_user_prot_reg;
-- if (master->_lock_user_prot_reg)
-+ if (parent->_lock_user_prot_reg)
- slave->mtd._lock_user_prot_reg = part_lock_user_prot_reg;
-- if (master->_get_user_prot_info)
-+ if (parent->_get_user_prot_info)
- slave->mtd._get_user_prot_info = part_get_user_prot_info;
-- if (master->_get_fact_prot_info)
-+ if (parent->_get_fact_prot_info)
- slave->mtd._get_fact_prot_info = part_get_fact_prot_info;
-- if (master->_sync)
-+ if (parent->_sync)
- slave->mtd._sync = part_sync;
-- if (!partno && !master->dev.class && master->_suspend &&
-- master->_resume) {
-+ if (!partno && !parent->dev.class && parent->_suspend &&
-+ parent->_resume) {
- slave->mtd._suspend = part_suspend;
- slave->mtd._resume = part_resume;
- }
-- if (master->_writev)
-+ if (parent->_writev)
- slave->mtd._writev = part_writev;
-- if (master->_lock)
-+ if (parent->_lock)
- slave->mtd._lock = part_lock;
-- if (master->_unlock)
-+ if (parent->_unlock)
- slave->mtd._unlock = part_unlock;
-- if (master->_is_locked)
-+ if (parent->_is_locked)
- slave->mtd._is_locked = part_is_locked;
-- if (master->_block_isreserved)
-+ if (parent->_block_isreserved)
- slave->mtd._block_isreserved = part_block_isreserved;
-- if (master->_block_isbad)
-+ if (parent->_block_isbad)
- slave->mtd._block_isbad = part_block_isbad;
-- if (master->_block_markbad)
-+ if (parent->_block_markbad)
- slave->mtd._block_markbad = part_block_markbad;
-- if (master->_max_bad_blocks)
-+ if (parent->_max_bad_blocks)
- slave->mtd._max_bad_blocks = part_max_bad_blocks;
-
-- if (master->_get_device)
-+ if (parent->_get_device)
- slave->mtd._get_device = part_get_device;
-- if (master->_put_device)
-+ if (parent->_put_device)
- slave->mtd._put_device = part_put_device;
-
- slave->mtd._erase = part_erase;
-- slave->master = master;
-+ slave->parent = parent;
- slave->offset = part->offset;
-
- if (slave->offset == MTDPART_OFS_APPEND)
-@@ -489,25 +495,25 @@ static struct mtd_part *allocate_partiti
- }
- 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
-+ if (parent->size - slave->offset >= slave->mtd.size) {
-+ slave->mtd.size = parent->size - slave->offset
- - slave->mtd.size;
- } else {
- printk(KERN_ERR "mtd partition \"%s\" doesn't have enough space: %#llx < %#llx, disabled\n",
-- part->name, master->size - slave->offset,
-+ part->name, parent->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;
-+ slave->mtd.size = parent->size - slave->offset;
-
- printk(KERN_NOTICE "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) {
-+ if (slave->offset >= parent->size) {
- /* let's register it anyway to preserve ordering */
- slave->offset = 0;
- slave->mtd.size = 0;
-@@ -515,16 +521,16 @@ static struct mtd_part *allocate_partiti
- part->name);
- goto out_register;
- }
-- if (slave->offset + slave->mtd.size > master->size) {
-- slave->mtd.size = master->size - slave->offset;
-+ if (slave->offset + slave->mtd.size > parent->size) {
-+ slave->mtd.size = parent->size - slave->offset;
- printk(KERN_WARNING"mtd: partition \"%s\" extends beyond the end of device \"%s\" -- size truncated to %#llx\n",
-- part->name, master->name, (unsigned long long)slave->mtd.size);
-+ part->name, parent->name, (unsigned long long)slave->mtd.size);
- }
-- if (master->numeraseregions > 1) {
-+ if (parent->numeraseregions > 1) {
- /* Deal with variable erase size stuff */
-- int i, max = master->numeraseregions;
-+ int i, max = parent->numeraseregions;
- u64 end = slave->offset + slave->mtd.size;
-- struct mtd_erase_region_info *regions = master->eraseregions;
-+ struct mtd_erase_region_info *regions = parent->eraseregions;
-
- /* Find the first erase regions which is part of this
- * partition. */
-@@ -543,7 +549,7 @@ static struct mtd_part *allocate_partiti
- BUG_ON(slave->mtd.erasesize == 0);
- } else {
- /* Single erase size */
-- slave->mtd.erasesize = master->erasesize;
-+ slave->mtd.erasesize = parent->erasesize;
- }
-
- tmp = slave->offset;
-@@ -566,17 +572,17 @@ static struct mtd_part *allocate_partiti
- }
-
- mtd_set_ooblayout(&slave->mtd, &part_ooblayout_ops);
-- slave->mtd.ecc_step_size = master->ecc_step_size;
-- slave->mtd.ecc_strength = master->ecc_strength;
-- slave->mtd.bitflip_threshold = master->bitflip_threshold;
-+ slave->mtd.ecc_step_size = parent->ecc_step_size;
-+ slave->mtd.ecc_strength = parent->ecc_strength;
-+ slave->mtd.bitflip_threshold = parent->bitflip_threshold;
-
-- if (master->_block_isbad) {
-+ if (parent->_block_isbad) {
- uint64_t offs = 0;
-
- while (offs < slave->mtd.size) {
-- if (mtd_block_isreserved(master, offs + slave->offset))
-+ if (mtd_block_isreserved(parent, offs + slave->offset))
- slave->mtd.ecc_stats.bbtblocks++;
-- else if (mtd_block_isbad(master, offs + slave->offset))
-+ else if (mtd_block_isbad(parent, offs + slave->offset))
- slave->mtd.ecc_stats.badblocks++;
- offs += slave->mtd.erasesize;
- }
-@@ -610,7 +616,7 @@ static int mtd_add_partition_attrs(struc
- return ret;
- }
-
--int mtd_add_partition(struct mtd_info *master, const char *name,
-+int mtd_add_partition(struct mtd_info *parent, const char *name,
- long long offset, long long length)
- {
- struct mtd_partition part;
-@@ -623,7 +629,7 @@ int mtd_add_partition(struct mtd_info *m
- return -EINVAL;
-
- if (length == MTDPART_SIZ_FULL)
-- length = master->size - offset;
-+ length = parent->size - offset;
-
- if (length <= 0)
- return -EINVAL;
-@@ -633,7 +639,7 @@ int mtd_add_partition(struct mtd_info *m
- part.size = length;
- part.offset = offset;
-
-- new = allocate_partition(master, &part, -1, offset);
-+ new = allocate_partition(parent, &part, -1, offset);
- if (IS_ERR(new))
- return PTR_ERR(new);
-
-@@ -683,7 +689,7 @@ int del_mtd_partitions(struct mtd_info *
-
- mutex_lock(&mtd_partitions_mutex);
- list_for_each_entry_safe(slave, next, &mtd_partitions, list)
-- if (slave->master == master) {
-+ if (slave->parent == master) {
- ret = __mtd_del_partition(slave);
- if (ret < 0)
- err = ret;
-@@ -700,7 +706,7 @@ int mtd_del_partition(struct mtd_info *m
-
- mutex_lock(&mtd_partitions_mutex);
- list_for_each_entry_safe(slave, next, &mtd_partitions, list)
-- if ((slave->master == master) &&
-+ if ((slave->parent == master) &&
- (slave->mtd.index == partno)) {
- ret = __mtd_del_partition(slave);
- break;
-@@ -933,6 +939,6 @@ uint64_t mtd_get_device_size(const struc
- if (!mtd_is_partition(mtd))
- return mtd->size;
-
-- return mtd_to_part(mtd)->master->size;
-+ return mtd_to_part(mtd)->parent->size;
- }
- EXPORT_SYMBOL_GPL(mtd_get_device_size);