DEFINE_RES_ macros have been created for the commonly used resource types,
but not IORESOURCE_REG. Add the macro so it can be used in a similar manner
to all other resource types.

Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Andy Shevchenko <redacted>
---

v16
    * Add Andy Reviewed-by tag

v15
    * No changes

v14
    * Add Reviewed tag

---
 include/linux/ioport.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 616b683563a9..8a76dca9deee 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h

@@ -172,6 +172,11 @@ enum {
 #define DEFINE_RES_MEM(_start, _size)					\
 	DEFINE_RES_MEM_NAMED((_start), (_size), NULL)
 
+#define DEFINE_RES_REG_NAMED(_start, _size, _name)			\
+	DEFINE_RES_NAMED((_start), (_size), (_name), IORESOURCE_REG)
+#define DEFINE_RES_REG(_start, _size)					\
+	DEFINE_RES_REG_NAMED((_start), (_size), NULL)
+
 #define DEFINE_RES_IRQ_NAMED(_irq, _name)				\
 	DEFINE_RES_NAMED((_irq), 1, (_name), IORESOURCE_IRQ)
 #define DEFINE_RES_IRQ(_irq)						\

-- 
2.25.1