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kernel: drop mtd_pad_erasesize() helper

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This commit is contained in:
coolsnowwolf 2018-11-24 14:38:40 +08:00
parent f3b07a1c18
commit ea608797aa
10 changed files with 128 additions and 174 deletions
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78
target/linux/generic/pending-4.14/401-mtd-add-support-for-different-partition-parser-types.patch
View File

@ -9,7 +9,55 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -1118,6 +1118,62 @@ void mtd_part_parser_cleanup(struct mtd_
@@ -56,6 +56,10 @@ struct mtd_part {
};
static void mtd_partition_split(struct mtd_info *master, struct mtd_part *part);
+static int parse_mtd_partitions_by_type(struct mtd_info *master,
+ enum mtd_parser_type type,
+ const struct mtd_partition **pparts,
+ struct mtd_part_parser_data *data);
/*
* Given a pointer to the MTD object in the mtd_part structure, we can retrieve
@@ -741,6 +745,36 @@ int mtd_del_partition(struct mtd_info *m
}
EXPORT_SYMBOL_GPL(mtd_del_partition);
+static int
+run_parsers_by_type(struct mtd_part *slave, enum mtd_parser_type type)
+{
+ struct mtd_partition *parts;
+ int nr_parts;
+ int i;
+
+ nr_parts = parse_mtd_partitions_by_type(&slave->mtd, type, (const struct mtd_partition **)&parts,
+ NULL);
+ if (nr_parts <= 0)
+ return nr_parts;
+
+ if (WARN_ON(!parts))
+ return 0;
+
+ for (i = 0; i < nr_parts; i++) {
+ /* adjust partition offsets */
+ parts[i].offset += slave->offset;
+
+ mtd_add_partition(slave->parent,
+ parts[i].name,
+ parts[i].offset,
+ parts[i].size);
+ }
+
+ kfree(parts);
+
+ return nr_parts;
+}
+
#ifdef CONFIG_MTD_SPLIT_FIRMWARE_NAME
#define SPLIT_FIRMWARE_NAME CONFIG_MTD_SPLIT_FIRMWARE_NAME
#else
@@ -1118,6 +1152,61 @@ void mtd_part_parser_cleanup(struct mtd_
}
}
@ -37,10 +85,10 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
+ return ret;
+}
+
+int parse_mtd_partitions_by_type(struct mtd_info *master,
+ enum mtd_parser_type type,
+ const struct mtd_partition **pparts,
+ struct mtd_part_parser_data *data)
+static int parse_mtd_partitions_by_type(struct mtd_info *master,
+ enum mtd_parser_type type,
+ const struct mtd_partition **pparts,
+ struct mtd_part_parser_data *data)
+{
+ struct mtd_part_parser *prev = NULL;
+ int ret = 0;
@ -67,19 +115,13 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(parse_mtd_partitions_by_type);
+
int mtd_is_partition(const struct mtd_info *mtd)
{
struct mtd_part *part;
--- a/include/linux/mtd/partitions.h
+++ b/include/linux/mtd/partitions.h
@@ -68,11 +68,14 @@ struct mtd_part_parser_data {
unsigned long origin;
};
-
/*
@@ -73,6 +73,10 @@ struct mtd_part_parser_data {
* Functions dealing with the various ways of partitioning the space
*/
@ -90,7 +132,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
struct mtd_part_parser {
struct list_head list;
struct module *owner;
@@ -81,6 +84,7 @@ struct mtd_part_parser {
@@ -81,6 +85,7 @@ struct mtd_part_parser {
int (*parse_fn)(struct mtd_info *, const struct mtd_partition **,
struct mtd_part_parser_data *);
void (*cleanup)(const struct mtd_partition *pparts, int nr_parts);
@ -98,13 +140,3 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
};
/* Container for passing around a set of parsed partitions */
@@ -113,4 +117,9 @@ uint64_t mtd_get_device_size(const struc
extern void __weak arch_split_mtd_part(struct mtd_info *master,
const char *name, int offset, int size);
+int parse_mtd_partitions_by_type(struct mtd_info *master,
+ enum mtd_parser_type type,
+ const struct mtd_partition **pparts,
+ struct mtd_part_parser_data *data);
+
#endif

43
target/linux/generic/pending-4.14/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch
View File

@ -10,44 +10,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -741,6 +741,36 @@ int mtd_del_partition(struct mtd_info *m
}
EXPORT_SYMBOL_GPL(mtd_del_partition);
+static int
+run_parsers_by_type(struct mtd_part *slave, enum mtd_parser_type type)
+{
+ struct mtd_partition *parts;
+ int nr_parts;
+ int i;
+
+ nr_parts = parse_mtd_partitions_by_type(&slave->mtd, type, (const struct mtd_partition **)&parts,
+ NULL);
+ if (nr_parts <= 0)
+ return nr_parts;
+
+ if (WARN_ON(!parts))
+ return 0;
+
+ for (i = 0; i < nr_parts; i++) {
+ /* adjust partition offsets */
+ parts[i].offset += slave->offset;
+
+ mtd_add_partition(slave->parent,
+ parts[i].name,
+ parts[i].offset,
+ parts[i].size);
+ }
+
+ kfree(parts);
+
+ return nr_parts;
+}
+
#ifdef CONFIG_MTD_SPLIT_FIRMWARE_NAME
#define SPLIT_FIRMWARE_NAME CONFIG_MTD_SPLIT_FIRMWARE_NAME
#else
@@ -749,6 +779,7 @@ EXPORT_SYMBOL_GPL(mtd_del_partition);
@@ -783,6 +783,7 @@ run_parsers_by_type(struct mtd_part *sla
static void split_firmware(struct mtd_info *master, struct mtd_part *part)
{
@ -55,7 +18,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
}
void __weak arch_split_mtd_part(struct mtd_info *master, const char *name,
@@ -763,6 +794,12 @@ static void mtd_partition_split(struct m
@@ -797,6 +798,12 @@ static void mtd_partition_split(struct m
if (rootfs_found)
return;
@ -70,7 +33,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
split_firmware(master, part);
--- a/include/linux/mtd/partitions.h
+++ b/include/linux/mtd/partitions.h
@@ -74,6 +74,8 @@ struct mtd_part_parser_data {
@@ -75,6 +75,8 @@ struct mtd_part_parser_data {
enum mtd_parser_type {
MTD_PARSER_TYPE_DEVICE = 0,

22
target/linux/generic/pending-4.14/404-mtd-add-more-helper-functions.patch
View File

@ -11,25 +11,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -771,6 +771,17 @@ run_parsers_by_type(struct mtd_part *sla
return nr_parts;
}
+static inline unsigned long
+mtd_pad_erasesize(struct mtd_info *mtd, int offset, int len)
+{
+ unsigned long mask = mtd->erasesize - 1;
+
+ len += offset & mask;
+ len = (len + mask) & ~mask;
+ len -= offset & mask;
+ return len;
+}
+
#ifdef CONFIG_MTD_SPLIT_FIRMWARE_NAME
#define SPLIT_FIRMWARE_NAME CONFIG_MTD_SPLIT_FIRMWARE_NAME
#else
@@ -1228,6 +1239,24 @@ int mtd_is_partition(const struct mtd_in
@@ -1231,6 +1231,24 @@ int mtd_is_partition(const struct mtd_in
}
EXPORT_SYMBOL_GPL(mtd_is_partition);
@ -83,7 +65,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
if (mtd->writesize_shift)
--- a/include/linux/mtd/partitions.h
+++ b/include/linux/mtd/partitions.h
@@ -115,6 +115,8 @@ int mtd_is_partition(const struct mtd_in
@@ -116,6 +116,8 @@ int mtd_is_partition(const struct mtd_in
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);

6
target/linux/generic/pending-4.14/411-mtd-partial_eraseblock_write.patch
View File

@ -19,7 +19,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
/* Our partition linked list */
static LIST_HEAD(mtd_partitions);
static DEFINE_MUTEX(mtd_partitions_mutex);
@@ -242,13 +244,61 @@ static int part_erase(struct mtd_info *m
@@ -246,13 +248,61 @@ static int part_erase(struct mtd_info *m
struct mtd_part *part = mtd_to_part(mtd);
int ret;
@ -81,7 +81,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
return ret;
}
@@ -256,6 +306,25 @@ void mtd_erase_callback(struct erase_inf
@@ -260,6 +310,25 @@ void mtd_erase_callback(struct erase_inf
{
if (instr->mtd->_erase == part_erase) {
struct mtd_part *part = mtd_to_part(instr->mtd);
@ -107,7 +107,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
if (instr->fail_addr != MTD_FAIL_ADDR_UNKNOWN)
instr->fail_addr -= part->offset;
@@ -570,19 +639,22 @@ static struct mtd_part *allocate_partiti
@@ -574,19 +643,22 @@ static struct mtd_part *allocate_partiti
remainder = do_div(tmp, wr_alignment);
if ((slave->mtd.flags & MTD_WRITEABLE) && remainder) {
/* Doesn't start on a boundary of major erase size */

2
target/linux/generic/pending-4.14/412-mtd-partial_eraseblock_unlock.patch
View File

@ -20,7 +20,7 @@ Signed-off-by: Tim Harvey <tharvey@gateworks.com>
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -344,7 +344,16 @@ static int part_lock(struct mtd_info *mt
@@ -348,7 +348,16 @@ static int part_lock(struct mtd_info *mt
static int part_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
{
struct mtd_part *part = mtd_to_part(mtd);

78
target/linux/generic/pending-4.9/401-mtd-add-support-for-different-partition-parser-types.patch
View File

@ -9,7 +9,55 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -1115,6 +1115,62 @@ void mtd_part_parser_cleanup(struct mtd_
@@ -56,6 +56,10 @@ struct mtd_part {
};
static void mtd_partition_split(struct mtd_info *master, struct mtd_part *part);
+static int parse_mtd_partitions_by_type(struct mtd_info *master,
+ enum mtd_parser_type type,
+ const struct mtd_partition **pparts,
+ struct mtd_part_parser_data *data);
/*
* Given a pointer to the MTD object in the mtd_part structure, we can retrieve
@@ -733,6 +737,36 @@ int mtd_del_partition(struct mtd_info *m
}
EXPORT_SYMBOL_GPL(mtd_del_partition);
+static int
+run_parsers_by_type(struct mtd_part *slave, enum mtd_parser_type type)
+{
+ struct mtd_partition *parts;
+ int nr_parts;
+ int i;
+
+ nr_parts = parse_mtd_partitions_by_type(&slave->mtd, type, (const struct mtd_partition **)&parts,
+ NULL);
+ if (nr_parts <= 0)
+ return nr_parts;
+
+ if (WARN_ON(!parts))
+ return 0;
+
+ for (i = 0; i < nr_parts; i++) {
+ /* adjust partition offsets */
+ parts[i].offset += slave->offset;
+
+ mtd_add_partition(slave->parent,
+ parts[i].name,
+ parts[i].offset,
+ parts[i].size);
+ }
+
+ kfree(parts);
+
+ return nr_parts;
+}
+
#ifdef CONFIG_MTD_SPLIT_FIRMWARE_NAME
#define SPLIT_FIRMWARE_NAME CONFIG_MTD_SPLIT_FIRMWARE_NAME
#else
@@ -1115,6 +1149,61 @@ void mtd_part_parser_cleanup(struct mtd_
}
}
@ -37,10 +85,10 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
+ return ret;
+}
+
+int parse_mtd_partitions_by_type(struct mtd_info *master,
+ enum mtd_parser_type type,
+ const struct mtd_partition **pparts,
+ struct mtd_part_parser_data *data)
+static int parse_mtd_partitions_by_type(struct mtd_info *master,
+ enum mtd_parser_type type,
+ const struct mtd_partition **pparts,
+ struct mtd_part_parser_data *data)
+{
+ struct mtd_part_parser *prev = NULL;
+ int ret = 0;
@ -67,19 +115,13 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(parse_mtd_partitions_by_type);
+
int mtd_is_partition(const struct mtd_info *mtd)
{
struct mtd_part *part;
--- a/include/linux/mtd/partitions.h
+++ b/include/linux/mtd/partitions.h
@@ -68,11 +68,14 @@ struct mtd_part_parser_data {
unsigned long origin;
};
-
/*
@@ -73,6 +73,10 @@ struct mtd_part_parser_data {
* Functions dealing with the various ways of partitioning the space
*/
@ -90,7 +132,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
struct mtd_part_parser {
struct list_head list;
struct module *owner;
@@ -81,6 +84,7 @@ struct mtd_part_parser {
@@ -81,6 +85,7 @@ struct mtd_part_parser {
int (*parse_fn)(struct mtd_info *, const struct mtd_partition **,
struct mtd_part_parser_data *);
void (*cleanup)(const struct mtd_partition *pparts, int nr_parts);
@ -98,13 +140,3 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
};
/* Container for passing around a set of parsed partitions */
@@ -113,4 +117,9 @@ uint64_t mtd_get_device_size(const struc
extern void __weak arch_split_mtd_part(struct mtd_info *master,
const char *name, int offset, int size);
+int parse_mtd_partitions_by_type(struct mtd_info *master,
+ enum mtd_parser_type type,
+ const struct mtd_partition **pparts,
+ struct mtd_part_parser_data *data);
+
#endif

43
target/linux/generic/pending-4.9/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch
View File

@ -10,44 +10,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -733,6 +733,36 @@ int mtd_del_partition(struct mtd_info *m
}
EXPORT_SYMBOL_GPL(mtd_del_partition);
+static int
+run_parsers_by_type(struct mtd_part *slave, enum mtd_parser_type type)
+{
+ struct mtd_partition *parts;
+ int nr_parts;
+ int i;
+
+ nr_parts = parse_mtd_partitions_by_type(&slave->mtd, type, (const struct mtd_partition **)&parts,
+ NULL);
+ if (nr_parts <= 0)
+ return nr_parts;
+
+ if (WARN_ON(!parts))
+ return 0;
+
+ for (i = 0; i < nr_parts; i++) {
+ /* adjust partition offsets */
+ parts[i].offset += slave->offset;
+
+ mtd_add_partition(slave->parent,
+ parts[i].name,
+ parts[i].offset,
+ parts[i].size);
+ }
+
+ kfree(parts);
+
+ return nr_parts;
+}
+
#ifdef CONFIG_MTD_SPLIT_FIRMWARE_NAME
#define SPLIT_FIRMWARE_NAME CONFIG_MTD_SPLIT_FIRMWARE_NAME
#else
@@ -741,6 +771,7 @@ EXPORT_SYMBOL_GPL(mtd_del_partition);
@@ -775,6 +775,7 @@ run_parsers_by_type(struct mtd_part *sla
static void split_firmware(struct mtd_info *master, struct mtd_part *part)
{
@ -55,7 +18,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
}
void __weak arch_split_mtd_part(struct mtd_info *master, const char *name,
@@ -755,6 +786,12 @@ static void mtd_partition_split(struct m
@@ -789,6 +790,12 @@ static void mtd_partition_split(struct m
if (rootfs_found)
return;
@ -70,7 +33,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
split_firmware(master, part);
--- a/include/linux/mtd/partitions.h
+++ b/include/linux/mtd/partitions.h
@@ -74,6 +74,8 @@ struct mtd_part_parser_data {
@@ -75,6 +75,8 @@ struct mtd_part_parser_data {
enum mtd_parser_type {
MTD_PARSER_TYPE_DEVICE = 0,

22
target/linux/generic/pending-4.9/404-mtd-add-more-helper-functions.patch
View File

@ -11,25 +11,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -763,6 +763,17 @@ run_parsers_by_type(struct mtd_part *sla
return nr_parts;
}
+static inline unsigned long
+mtd_pad_erasesize(struct mtd_info *mtd, int offset, int len)
+{
+ unsigned long mask = mtd->erasesize - 1;
+
+ len += offset & mask;
+ len = (len + mask) & ~mask;
+ len -= offset & mask;
+ return len;
+}
+
#ifdef CONFIG_MTD_SPLIT_FIRMWARE_NAME
#define SPLIT_FIRMWARE_NAME CONFIG_MTD_SPLIT_FIRMWARE_NAME
#else
@@ -1225,6 +1236,24 @@ int mtd_is_partition(const struct mtd_in
@@ -1228,6 +1228,24 @@ int mtd_is_partition(const struct mtd_in
}
EXPORT_SYMBOL_GPL(mtd_is_partition);
@ -83,7 +65,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
if (mtd->writesize_shift)
--- a/include/linux/mtd/partitions.h
+++ b/include/linux/mtd/partitions.h
@@ -115,6 +115,8 @@ int mtd_is_partition(const struct mtd_in
@@ -116,6 +116,8 @@ int mtd_is_partition(const struct mtd_in
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);

6
target/linux/generic/pending-4.9/411-mtd-partial_eraseblock_write.patch
View File

@ -19,7 +19,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
/* Our partition linked list */
static LIST_HEAD(mtd_partitions);
static DEFINE_MUTEX(mtd_partitions_mutex);
@@ -242,13 +244,61 @@ static int part_erase(struct mtd_info *m
@@ -246,13 +248,61 @@ static int part_erase(struct mtd_info *m
struct mtd_part *part = mtd_to_part(mtd);
int ret;
@ -81,7 +81,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
return ret;
}
@@ -256,6 +306,25 @@ void mtd_erase_callback(struct erase_inf
@@ -260,6 +310,25 @@ void mtd_erase_callback(struct erase_inf
{
if (instr->mtd->_erase == part_erase) {
struct mtd_part *part = mtd_to_part(instr->mtd);
@ -107,7 +107,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
if (instr->fail_addr != MTD_FAIL_ADDR_UNKNOWN)
instr->fail_addr -= part->offset;
@@ -562,19 +631,22 @@ static struct mtd_part *allocate_partiti
@@ -566,19 +635,22 @@ static struct mtd_part *allocate_partiti
remainder = do_div(tmp, wr_alignment);
if ((slave->mtd.flags & MTD_WRITEABLE) && remainder) {
/* Doesn't start on a boundary of major erase size */

2
target/linux/generic/pending-4.9/412-mtd-partial_eraseblock_unlock.patch
View File

@ -20,7 +20,7 @@ Signed-off-by: Tim Harvey <tharvey@gateworks.com>
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -344,7 +344,16 @@ static int part_lock(struct mtd_info *mt
@@ -348,7 +348,16 @@ static int part_lock(struct mtd_info *mt
static int part_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
{
struct mtd_part *part = mtd_to_part(mtd);