mtd: partitions: add module_mtd_part_parser() helper
This can help eliminate some boilerplate by generating the module_init() and module_exit() functions, and by automatically assigning the module owner. Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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@ -703,13 +703,17 @@ static struct mtd_part_parser *get_partition_parser(const char *name)
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#define put_partition_parser(p) do { module_put((p)->owner); } while (0)
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void register_mtd_parser(struct mtd_part_parser *p)
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int __register_mtd_parser(struct mtd_part_parser *p, struct module *owner)
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{
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p->owner = owner;
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spin_lock(&part_parser_lock);
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list_add(&p->list, &part_parsers);
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spin_unlock(&part_parser_lock);
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return 0;
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}
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EXPORT_SYMBOL_GPL(register_mtd_parser);
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EXPORT_SYMBOL_GPL(__register_mtd_parser);
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void deregister_mtd_parser(struct mtd_part_parser *p)
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{
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@ -73,9 +73,21 @@ struct mtd_part_parser {
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struct mtd_part_parser_data *);
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};
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extern void register_mtd_parser(struct mtd_part_parser *parser);
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extern int __register_mtd_parser(struct mtd_part_parser *parser,
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struct module *owner);
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#define register_mtd_parser(parser) __register_mtd_parser(parser, THIS_MODULE)
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extern void deregister_mtd_parser(struct mtd_part_parser *parser);
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/*
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* module_mtd_part_parser() - Helper macro for MTD partition parsers that don't
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* do anything special in module init/exit. Each driver may only use this macro
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* once, and calling it replaces module_init() and module_exit().
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*/
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#define module_mtd_part_parser(__mtd_part_parser) \
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module_driver(__mtd_part_parser, register_mtd_parser, \
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deregister_mtd_parser)
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int mtd_is_partition(const struct mtd_info *mtd);
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int mtd_add_partition(struct mtd_info *master, const char *name,
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long long offset, long long length);
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