+static void
+pnpacpi_parse_address_option(struct pnp_option *option, struct acpi_resource *r)
+{
+ struct acpi_resource_address64 addr, *p = &addr;
+ acpi_status status;
+ struct pnp_mem *mem;
+ struct pnp_port *port;
+
+ status = acpi_resource_to_address64(r, p);
+ if (!ACPI_SUCCESS(status)) {
+ pnp_warn("PnPACPI: failed to convert resource type %d", r->type);
+ return;
+ }
+
+ if (p->address_length == 0)
+ return;
+
+ if (p->resource_type == ACPI_MEMORY_RANGE) {
+ mem = kcalloc(1, sizeof(struct pnp_mem), GFP_KERNEL);
+ if (!mem)
+ return;
+ mem->min = mem->max = p->minimum;
+ mem->size = p->address_length;
+ mem->align = 0;
+ mem->flags = (p->info.mem.write_protect ==
+ ACPI_READ_WRITE_MEMORY) ? IORESOURCE_MEM_WRITEABLE : 0;
+ pnp_register_mem_resource(option, mem);
+ } else if (p->resource_type == ACPI_IO_RANGE) {
+ port = kcalloc(1, sizeof(struct pnp_port), GFP_KERNEL);
+ if (!port)
+ return;
+ port->min = port->max = p->minimum;
+ port->size = p->address_length;
+ port->align = 0;
+ port->flags = PNP_PORT_FLAG_FIXED;
+ pnp_register_port_resource(option, port);
+ }
+}
+