--- a/include/linux/mtd/spinand.h	2024-09-27 20:38:51.386171481 +0200
+++ b/include/linux/mtd/spinand.h	2024-09-27 20:39:01.034034861 +0200
@@ -518,5 +518,5 @@
 
 int spinand_upd_cfg(struct spinand_device *spinand, u8 mask, u8 val);
 int spinand_select_target(struct spinand_device *spinand, unsigned int target);
-
+int spinand_cal_read(void *priv, u32 *addr, int addrlen, u8 *buf, int readlen);
 #endif /* __LINUX_MTD_SPINAND_H */