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
