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Diffstat (limited to 'include/mtd/mtd-abi.h')
-rw-r--r--include/mtd/mtd-abi.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/mtd/mtd-abi.h b/include/mtd/mtd-abi.h
index 1a7e1d20adf9..36eace03b2ac 100644
--- a/include/mtd/mtd-abi.h
+++ b/include/mtd/mtd-abi.h
@@ -198,7 +198,8 @@ struct otp_info {
#define MEMISLOCKED _IOR('M', 23, struct erase_info_user)
/*
* Most generic write interface; can write in-band and/or out-of-band in various
- * modes (see "struct mtd_write_req")
+ * modes (see "struct mtd_write_req"). This ioctl is not supported for flashes
+ * without OOB, e.g., NOR flash.
*/
#define MEMWRITE _IOWR('M', 24, struct mtd_write_req)