diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 9afa30f9346f..e974fc087059 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -10,6 +10,7 @@
 #define _LINUX_IOPORT_H
 
 #ifndef __ASSEMBLY__
+#include <linux/args.h>
 #include <linux/bits.h>
 #include <linux/compiler.h>
 #include <linux/minmax.h>
@@ -165,8 +166,12 @@ enum {
 
 #define DEFINE_RES_NAMED(_start, _size, _name, _flags)			\
 	DEFINE_RES_NAMED_DESC(_start, _size, _name, _flags, IORES_DESC_NONE)
-#define DEFINE_RES(_start, _size, _flags)				\
+#define __DEFINE_RES0()							\
+	DEFINE_RES_NAMED(0, 0, NULL, IORESOURCE_UNSET)
+#define __DEFINE_RES3(_start, _size, _flags)				\
 	DEFINE_RES_NAMED(_start, _size, NULL, _flags)
+#define DEFINE_RES(...)							\
+	CONCATENATE(__DEFINE_RES, COUNT_ARGS(__VA_ARGS__))(__VA_ARGS__)
 
 #define DEFINE_RES_IO_NAMED(_start, _size, _name)			\
 	DEFINE_RES_NAMED((_start), (_size), (_name), IORESOURCE_IO)