1 files changed, 10 insertions, 0 deletions

diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index a719686c9cce..c034dc4224cb 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -832,4 +832,14 @@ static inline bool nand_is_slc(struct nand_chip *chip)
 {
         return chip->bits_per_cell == 1;
 }
+
+/**
+ * Check if the opcode's address should be sent only on the lower 8 bits
+ * @command: opcode to check
+ */
+static inline int nand_opcode_8bits(unsigned int command)
+{
+        return command == NAND_CMD_READID;
+}
+
 #endif /* __LINUX_MTD_NAND_H */