--- zzzz-none-000/linux-5.4.213/include/linux/of_reserved_mem.h	2022-09-15 10:04:56.000000000 +0000
+++ miami-7690-761/linux-5.4.213/include/linux/of_reserved_mem.h	2024-05-29 11:20:02.000000000 +0000
@@ -34,10 +34,12 @@
 int of_reserved_mem_device_init_by_idx(struct device *dev,
 				       struct device_node *np, int idx);
 void of_reserved_mem_device_release(struct device *dev);
+struct device_node;
 
 void fdt_init_reserved_mem(void);
 void fdt_reserved_mem_save_node(unsigned long node, const char *uname,
 			       phys_addr_t base, phys_addr_t size);
+struct reserved_mem *fdt_get_reserved_mem_resource(const char* name);
 struct reserved_mem *of_reserved_mem_lookup(struct device_node *np);
 #else
 static inline int of_reserved_mem_device_init_by_idx(struct device *dev,
@@ -50,6 +52,7 @@
 static inline void fdt_init_reserved_mem(void) { }
 static inline void fdt_reserved_mem_save_node(unsigned long node,
 		const char *uname, phys_addr_t base, phys_addr_t size) { }
+static inline struct reserved_mem *fdt_get_reserved_mem_resource(const char* name) { return NULL; }
 static inline struct reserved_mem *of_reserved_mem_lookup(struct device_node *np)
 {
 	return NULL;