--- zzzz-none-000/linux-4.19.183/include/linux/ioport.h	2021-03-24 10:07:39.000000000 +0000
+++ bcm63-7530ax-756/linux-4.19.183/include/linux/ioport.h	2023-06-28 08:54:20.000000000 +0000
@@ -169,6 +169,8 @@
 extern struct resource ioport_resource;
 extern struct resource iomem_resource;
 
+extern struct resource gpio_resource;
+
 extern struct resource *request_resource_conflict(struct resource *root, struct resource *new);
 extern int request_resource(struct resource *root, struct resource *new);
 extern int release_resource(struct resource *new);