175 struct acpi_ec *boot_ec, *first_ec;  variable
176 EXPORT_SYMBOL(first_ec);
778 	if (!first_ec)  in ec_read()
781 	err = acpi_ec_read(first_ec, addr, &temp_data);  in ec_read()
795 	if (!first_ec)  in ec_write()
798 	err = acpi_ec_write(first_ec, addr, val);  in ec_write()
812 	if (!first_ec)  in ec_transaction()
815 	return acpi_ec_transaction(first_ec, &t);  in ec_transaction()
822 	if (!first_ec)  in ec_get_handle()
824 	return first_ec->handle;  in ec_get_handle()
902 	struct acpi_ec *ec = first_ec;  in acpi_ec_block_transactions()
915 	struct acpi_ec *ec = first_ec;  in acpi_ec_unblock_transactions()
933 	if (first_ec)  in acpi_ec_unblock_transactions_early()
934 		acpi_ec_start(first_ec, true);  in acpi_ec_unblock_transactions_early()
1367 	if (!first_ec)  in acpi_ec_add()
1368 		first_ec = ec;  in acpi_ec_add()
1406 	if (ec == first_ec)  in acpi_ec_remove()
1407 		first_ec = NULL;  in acpi_ec_remove()
1440 		first_ec = boot_ec;  in acpi_boot_ec_enable()
1603 		first_ec = boot_ec;  in acpi_ec_ecdt_probe()