diff options
Diffstat (limited to 'drivers/mtd/mtdpart.c')
| -rw-r--r-- | drivers/mtd/mtdpart.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index 630be3e7da04..dd8cfa903b79 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -735,7 +735,7 @@ int parse_mtd_partitions(struct mtd_info *master, const char **types, } EXPORT_SYMBOL_GPL(parse_mtd_partitions); -int mtd_is_partition(struct mtd_info *mtd) +int mtd_is_partition(const struct mtd_info *mtd) { struct mtd_part *part; int ispart = 0; @@ -751,3 +751,13 @@ int mtd_is_partition(struct mtd_info *mtd) return ispart; } EXPORT_SYMBOL_GPL(mtd_is_partition); + +/* Returns the size of the entire flash chip */ +uint64_t mtd_get_device_size(const struct mtd_info *mtd) +{ + if (!mtd_is_partition(mtd)) + return mtd->size; + + return PART(mtd)->master->size; +} +EXPORT_SYMBOL_GPL(mtd_get_device_size); |