drivers/acpi/ec.c

146 	acpi_handle handle;
928 /* Get the handle to the EC device */
933 	return first_ec->handle;
1068 			      acpi_handle handle, acpi_ec_query_func func,
1073 	if (!handle && !func)
1081 	handler->handle = handle;
1135 	else if (handler->handle)
1136 		acpi_evaluate_object(handler->handle, NULL, NULL, NULL);
1397 acpi_ec_register_query_methods(acpi_handle handle, u32 level,
1406 	status = acpi_get_name(handle, ACPI_SINGLE_NAME, &buffer);
1409 		acpi_ec_add_query_handler(ec, value, handle, NULL, NULL);
1414 ec_parse_device(acpi_handle handle, u32 Level, void *context, void **retval)
1423 	status = acpi_walk_resources(handle, METHOD_NAME__CRS,
1432 	status = acpi_evaluate_integer(handle, "_GPE", NULL, &tmp);
1442 	acpi_evaluate_integer(handle, "_GLK", NULL, &tmp);
1444 	ec->handle = handle;
1483  *  "unable to handle transactions",
1490 	acpi_handle scope_handle = ec == first_ec ? ACPI_ROOT_OBJECT : ec->handle;
1531 		acpi_walk_namespace(ACPI_TYPE_METHOD, ec->handle, 1,
1561 	acpi_handle scope_handle = ec == first_ec ? ACPI_ROOT_OBJECT : ec->handle;
1580 	 * it is indicated but there is no way to handle it. So the drivers
1639 	if (boot_ec && (boot_ec->handle == device->handle ||
1650 		status = ec_parse_device(device->handle, 0, ec, NULL);
1664 			boot_ec->handle = ec->handle;
1669 			acpi_handle_debug(ec->handle, "duplicated.\n");
1680 		acpi_handle_info(boot_ec->handle,
1684 	acpi_handle_info(ec->handle,
1685 			 "EC: Used to handle transactions and events\n");
1697 	acpi_handle_debug(ec->handle, "enumerated.\n");
1782 	if (ACPI_FAILURE(status) || !ec->handle) {
1792 	 * handle the events.
1802 	acpi_handle_info(ec->handle,
1803 			 "Boot DSDT EC used to handle transactions\n");
1809  * First, look for an ACPI handle for the boot ECDT EC if acpi_ec_add() has not
1813  * provide a functional ECDT EC to handle events, so add an extra device object
1822 	acpi_handle handle;
1826 	if (!boot_ec || boot_ec->handle != ACPI_ROOT_OBJECT)
1835 	status = acpi_get_handle(NULL, ecdt_ptr->id, &handle);
1837 		boot_ec->handle = handle;
2003 	ec->handle = ACPI_ROOT_OBJECT;
2007 	 * the namespace objects, or handle the events.
2018 	pr_info("Boot ECDT EC used to handle transactions\n");