--- zzzz-none-000/linux-4.4.271/include/linux/mtd/spi-nor.h	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/include/linux/mtd/spi-nor.h	2023-04-19 10:22:30.000000000 +0000
@@ -12,6 +12,7 @@
 
 #include <linux/bitops.h>
 #include <linux/mtd/cfi.h>
+#include <linux/mtd/mtd.h>
 
 /*
  * Manufacturer IDs
@@ -117,8 +118,6 @@
 	SNOR_F_USE_FSR		= BIT(0),
 };
 
-struct mtd_info;
-
 /**
  * struct spi_nor - Structure for defining a the SPI NOR layer
  * @mtd:		point to a mtd_info structure
@@ -185,6 +184,17 @@
 	void *priv;
 };
 
+static inline void spi_nor_set_flash_node(struct spi_nor *nor,
+					  struct device_node *np)
+{
+	nor->flash_node = np;
+}
+
+static inline struct device_node *spi_nor_get_flash_node(struct spi_nor *nor)
+{
+	return nor->flash_node;
+}
+
 /**
  * spi_nor_scan() - scan the SPI NOR
  * @nor:	the spi_nor structure
@@ -201,4 +211,5 @@
  */
 int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode);
 
+int spi_nor_wait_till_ready(struct spi_nor *nor);
 #endif