175 struct acpi_ec *boot_ec, *first_ec;  variable
1347 	if (boot_ec &&  in acpi_ec_add()
1348 	    (boot_ec->handle == device->handle ||  in acpi_ec_add()
1349 	     boot_ec->handle == ACPI_ROOT_OBJECT)) {  in acpi_ec_add()
1350 		ec = boot_ec;  in acpi_ec_add()
1351 		boot_ec = NULL;  in acpi_ec_add()
1437 	if (!boot_ec || test_bit(EC_FLAGS_HANDLERS_INSTALLED, &boot_ec->flags))  in acpi_boot_ec_enable()
1439 	if (!ec_install_handlers(boot_ec)) {  in acpi_boot_ec_enable()
1440 		first_ec = boot_ec;  in acpi_boot_ec_enable()
1541 	boot_ec = make_acpi_ec();  in acpi_ec_ecdt_probe()
1542 	if (!boot_ec)  in acpi_ec_ecdt_probe()
1552 		boot_ec->command_addr = ecdt_ptr->control.address;  in acpi_ec_ecdt_probe()
1553 		boot_ec->data_addr = ecdt_ptr->data.address;  in acpi_ec_ecdt_probe()
1554 		boot_ec->gpe = ecdt_ptr->gpe;  in acpi_ec_ecdt_probe()
1555 		boot_ec->handle = ACPI_ROOT_OBJECT;  in acpi_ec_ecdt_probe()
1557 				&boot_ec->handle);  in acpi_ec_ecdt_probe()
1561 		saved_ec = kmemdup(boot_ec, sizeof(struct acpi_ec), GFP_KERNEL);  in acpi_ec_ecdt_probe()
1576 					boot_ec, NULL);  in acpi_ec_ecdt_probe()
1578 	if (ACPI_FAILURE(status) || !boot_ec->handle)  in acpi_ec_ecdt_probe()
1582 		if (saved_ec->command_addr != boot_ec->command_addr ||  in acpi_ec_ecdt_probe()
1583 		    saved_ec->data_addr != boot_ec->data_addr ||  in acpi_ec_ecdt_probe()
1584 		    saved_ec->gpe != boot_ec->gpe ||  in acpi_ec_ecdt_probe()
1585 		    saved_ec->handle != boot_ec->handle)  in acpi_ec_ecdt_probe()
1598 		    !acpi_has_method(boot_ec->handle, "_INI"))  in acpi_ec_ecdt_probe()
1602 	if (!ec_install_handlers(boot_ec)) {  in acpi_ec_ecdt_probe()
1603 		first_ec = boot_ec;  in acpi_ec_ecdt_probe()
1607 	kfree(boot_ec);  in acpi_ec_ecdt_probe()
1609 	boot_ec = NULL;  in acpi_ec_ecdt_probe()