of: consolidate linker section OF match table declarations

We now have several OF match tables using linker sections that are
nearly the same definition. The only variation is the callback function
prototype. Create a common define for creating linker section OF match
table entries which each table declaration can use.

Acked-by: Grant Likely <grant.likely@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
diff --git a/include/linux/of_reserved_mem.h b/include/linux/of_reserved_mem.h
index 4c81b84..4669ddf 100644
--- a/include/linux/of_reserved_mem.h
+++ b/include/linux/of_reserved_mem.h
@@ -23,31 +23,17 @@
 
 typedef int (*reservedmem_of_init_fn)(struct reserved_mem *rmem);
 
+#define RESERVEDMEM_OF_DECLARE(name, compat, init)			\
+	_OF_DECLARE(reservedmem, name, compat, init, reservedmem_of_init_fn)
 
 #ifdef CONFIG_OF_RESERVED_MEM
 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);
-
-#define RESERVEDMEM_OF_DECLARE(name, compat, init)			\
-	static const struct of_device_id __reservedmem_of_table_##name	\
-		__used __section(__reservedmem_of_table)		\
-		 = { .compatible = compat,				\
-		     .data = (init == (reservedmem_of_init_fn)NULL) ?	\
-				init : init }
-
 #else
 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) { }
-
-#define RESERVEDMEM_OF_DECLARE(name, compat, init)			\
-	static const struct of_device_id __reservedmem_of_table_##name	\
-		__attribute__((unused))					\
-		 = { .compatible = compat,				\
-		     .data = (init == (reservedmem_of_init_fn)NULL) ?	\
-				init : init }
-
 #endif
 
 #endif /* __OF_RESERVED_MEM_H */