Provide a simple helper to make it easy to detect an master mtd device. Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx> --- include/linux/mtd/mtd.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index 8d10d9d2e830..bf3fc2ea7230 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -408,6 +408,11 @@ static inline struct mtd_info *mtd_get_master(struct mtd_info *mtd) return mtd; } +static inline bool mtd_is_master(struct mtd_info *mtd) +{ + return mtd->parent ? false : true; +} + static inline u64 mtd_get_master_ofs(struct mtd_info *mtd, u64 ofs) { while (mtd->parent) { -- 2.39.2