diff --git a/include/linux/firmware-map.h b/include/linux/firmware-map.h
index cca686b..875451f 100644
--- a/include/linux/firmware-map.h
+++ b/include/linux/firmware-map.h
@@ -24,21 +24,17 @@
  */
 #ifdef CONFIG_FIRMWARE_MEMMAP
 
-int firmware_map_add(resource_size_t start, resource_size_t end,
-		     const char *type);
-int firmware_map_add_early(resource_size_t start, resource_size_t end,
-			   const char *type);
+int firmware_map_add(u64 start, u64 end, const char *type);
+int firmware_map_add_early(u64 start, u64 end, const char *type);
 
 #else /* CONFIG_FIRMWARE_MEMMAP */
 
-static inline int firmware_map_add(resource_size_t start, resource_size_t end,
-				   const char *type)
+static inline int firmware_map_add(u64 start, u64 end, const char *type)
 {
 	return 0;
 }
 
-static inline int firmware_map_add_early(resource_size_t start,
-					 resource_size_t end, const char *type)
+static inline int firmware_map_add_early(u64 start, u64 end, const char *type)
 {
 	return 0;
 }