65 	 * We install the default PCI config space handler at the root so that  in acpi_ev_install_region_handlers()
72 	 * NOTE: We ignore AE_ALREADY_EXISTS because this means that a handler  in acpi_ev_install_region_handlers()
110  * RETURN:      TRUE if default handler is installed, FALSE otherwise
112  * DESCRIPTION: Check if the default handler is installed for the requested
128 		handler_obj = obj_desc->common_notify.handler;  in acpi_ev_has_default_handler()
153  * DESCRIPTION: This routine installs an address handler into objects that are
156  *              If the Object is a Device, and the device has a handler of
159  *              This is because the existing handler is closer in proximity
214 		/* Check if this Device already has a handler for this address space */  in acpi_ev_install_handler()
220 						handler);  in acpi_ev_install_handler()
223 			/* Found a handler, is it for the same address space? */  in acpi_ev_install_handler()
226 					  "Found handler for region [%s] in device %p(%p) handler %p\n",  in acpi_ev_install_handler()
235 			 * that someone has already installed a handler for the branch  in acpi_ev_install_handler()
244 		 * As long as the device didn't have a handler for this space we  in acpi_ev_install_handler()
260 	 * Now we have a region and it is for the handler's address space type.  in acpi_ev_install_handler()
262 	 * First disconnect region for any previous handler (if any)  in acpi_ev_install_handler()
266 	/* Connect the region to the new handler */  in acpi_ev_install_handler()
277  *              handler_obj     - Head of the handler object list
279  * RETURN:      Matching handler object. NULL if space ID not matched
281  * DESCRIPTION: Search a handler object list for a match on the address
292 	/* Walk the handler list for this device */  in acpi_ev_find_region_handler()
296 		/* Same space_id indicates a handler is installed */  in acpi_ev_find_region_handler()
302 		/* Next handler object */  in acpi_ev_find_region_handler()
316  *              handler         - Address of the handler
318  *              context         - Value passed to the handler on each access
322  * DESCRIPTION: Install a handler for all op_regions of a given space_id.
330 			      acpi_adr_space_handler handler,  in acpi_ev_install_space_handler()  argument
352 	if (handler == ACPI_DEFAULT_HANDLER) {  in acpi_ev_install_space_handler()
358 			handler = acpi_ex_system_memory_space_handler;  in acpi_ev_install_space_handler()
364 			handler = acpi_ex_system_io_space_handler;  in acpi_ev_install_space_handler()
370 			handler = acpi_ex_pci_config_space_handler;  in acpi_ev_install_space_handler()
376 			handler = acpi_ex_cmos_space_handler;  in acpi_ev_install_space_handler()
382 			handler = acpi_ex_pci_bar_space_handler;  in acpi_ev_install_space_handler()
388 			handler = acpi_ex_data_table_space_handler;  in acpi_ev_install_space_handler()
411 		 * the handler is not already installed.  in acpi_ev_install_space_handler()
416 							  handler);  in acpi_ev_install_space_handler()
419 			if (handler_obj->address_space.handler == handler) {  in acpi_ev_install_space_handler()
422 				 * handler twice. This can easily happen with the  in acpi_ev_install_space_handler()
428 				/* A handler is already installed */  in acpi_ev_install_space_handler()
437 				  "Creating object on Device %p while installing handler\n",  in acpi_ev_install_space_handler()
472 			  "Installing address handler for region %s(%X) "  in acpi_ev_install_space_handler()
478 	 * Install the handler  in acpi_ev_install_space_handler()
480 	 * At this point there is no existing handler. Just allocate the object  in acpi_ev_install_space_handler()
481 	 * for the handler and link it into the list.  in acpi_ev_install_space_handler()
490 	/* Init handler obj */  in acpi_ev_install_space_handler()
503 	handler_obj->address_space.handler = handler;  in acpi_ev_install_space_handler()
509 	handler_obj->address_space.next = obj_desc->common_notify.handler;  in acpi_ev_install_space_handler()
513 	 * Each region that uses the handler adds a reference.  in acpi_ev_install_space_handler()
515 	obj_desc->common_notify.handler = handler_obj;  in acpi_ev_install_space_handler()
518 	 * Walk the namespace finding all of the regions this handler will  in acpi_ev_install_space_handler()
523 	 * has an address handler of the same type.  in acpi_ev_install_space_handler()