diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 84a716fd6029dc6dcf72936ca3dbdb48317dcc24..eee569900c7dd7e8c77bbe0d9d4bf4734f525f9b 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -308,6 +308,13 @@ struct resource *devm_request_free_mem_region(struct device *dev,
 struct resource *request_free_mem_region(struct resource *base,
 		unsigned long size, const char *name);
 
+static inline void irqresource_disabled(struct resource *res, u32 irq)
+{
+	res->start = irq;
+	res->end = irq;
+	res->flags = IORESOURCE_IRQ | IORESOURCE_DISABLED | IORESOURCE_UNSET;
+}
+
 #ifdef CONFIG_IO_STRICT_DEVMEM
 void revoke_devmem(struct resource *res);
 #else