--- linux-4.9.37/drivers/mtd/nand/match_table.h	1970-01-01 03:00:00.000000000 +0300
+++ linux-4.9.y/drivers/mtd/nand/match_table.h	2021-06-07 13:01:33.000000000 +0300
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) Hunan Goke,Chengdu Goke,Shandong Goke. 2021. All rights reserved.
+ */
+
+#ifndef __MATCH_TABLE_H__
+#define __MATCH_TABLE_H__
+
+/*****************************************************************************/
+struct match_reg_type {
+	int reg;
+	int type;
+};
+
+struct match_type_str {
+	int type;
+	const char *str;
+};
+
+struct match_t {
+	int type;
+	int reg;
+	void *data;
+};
+
+/*****************************************************************************/
+#define MATCH_SET_TYPE_REG(_type, _reg)   {(_type), (_reg), (void *)0}
+#define MATCH_SET_TYPE_DATA(_type, _data) {(_type), 0, (void *)(_data)}
+#define MATCH_SET(_type, _reg, _data)     {(_type), (_reg), (void *)(_data)}
+
+/*****************************************************************************/
+int reg2type(struct match_reg_type *table, int length, int reg, int def);
+
+int type2reg(struct match_reg_type *table, int length, int type, int def);
+
+int str2type(struct match_type_str *table, int length, const char *str,
+	     int size, int def);
+
+const char *type2str(struct match_type_str *table, int length, int type,
+		     const char *def);
+
+int match_reg_to_type(struct match_t *table, int nr_table, int reg, int def);
+
+int match_type_to_reg(struct match_t *table, int nr_table, int type, int def);
+
+int match_data_to_type(struct match_t *table, int nr_table,const char *data,
+		       int size, int def);
+
+void *match_type_to_data(struct match_t *table, int nr_table, int type,
+			 const void *def);
+
+/*****************************************************************************/
+
+#endif /* End of __MATCH_TABLE_H__ */