linux/drivers/mtd/mtdcore.h
Brian Norris adc83bf889 mtd: partitions: support a cleanup callback for parsers
If partition parsers need to clean up their resources, we shouldn't
assume that all memory will fit in a single kmalloc() that the caller
can kfree(). We should allow the parser to provide a proper cleanup
routine.

Note that this means we need to keep a hold on the parser's module for a
bit longer, and release it later with mtd_part_parser_put().

Alongside this, define a default callback that we'll automatically use
if the parser doesn't provide one, so we can still retain the old
behavior.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2015-12-09 14:57:44 -08:00

29 lines
876 B
C

/*
* These are exported solely for the purpose of mtd_blkdevs.c and mtdchar.c.
* You should not use them for _anything_ else.
*/
extern struct mutex mtd_table_mutex;
struct mtd_info *__mtd_next_device(int i);
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 *);
struct mtd_partitions;
int parse_mtd_partitions(struct mtd_info *master, const char * const *types,
struct mtd_partitions *pparts,
struct mtd_part_parser_data *data);
void mtd_part_parser_cleanup(struct mtd_partitions *parts);
int __init init_mtdchar(void);
void __exit cleanup_mtdchar(void);
#define mtd_for_each_device(mtd) \
for ((mtd) = __mtd_next_device(0); \
(mtd) != NULL; \
(mtd) = __mtd_next_device(mtd->index + 1))