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mtd: partitions: factor out code calling parser

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This code is going to be reused for parsers matched using OF so let's
factor it out to make this easier.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Brian Norris 2017-05-23 07:30:20 +02:00
parent df1d178879
commit 01f9c7240a
1 changed files with 24 additions and 9 deletions
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33
drivers/mtd/mtdpart.c
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@ -807,6 +807,27 @@ static const char * const default_mtd_part_types[] = {
NULL
};
static int mtd_part_do_parse(struct mtd_part_parser *parser,
struct mtd_info *master,
struct mtd_partitions *pparts,
struct mtd_part_parser_data *data)
{
int ret;
ret = (*parser->parse_fn)(master, &pparts->parts, data);
pr_debug("%s: parser %s: %i\n", master->name, parser->name, ret);
if (ret <= 0)
return ret;
pr_notice("%d %s partitions found on MTD device %s\n", ret,
parser->name, master->name);
pparts->nr_parts = ret;
pparts->parser = parser;
return ret;
}
/**
* parse_mtd_partitions - parse MTD partitions
* @master: the master partition (describes whole MTD device)
@ -847,16 +868,10 @@ int parse_mtd_partitions(struct mtd_info *master, const char *const *types,
parser ? parser->name : NULL);
if (!parser)
continue;
ret = (*parser->parse_fn)(master, &pparts->parts, data);
pr_debug("%s: parser %s: %i\n",
master->name, parser->name, ret);
if (ret > 0) {
printk(KERN_NOTICE "%d %s partitions found on MTD device %s\n",
ret, parser->name, master->name);
pparts->nr_parts = ret;
pparts->parser = parser;
ret = mtd_part_do_parse(parser, master, pparts, data);
/* Found partitions! */
if (ret > 0)
return 0;
}
mtd_part_parser_put(parser);
/*
* Stash the first error we see; only report it if no parser