130 struct acpi_ec *boot_ec, *first_ec;  variable
131 EXPORT_SYMBOL(first_ec);
646 	if (!first_ec)  in ec_read()
649 	err = acpi_ec_read(first_ec, addr, &temp_data);  in ec_read()
663 	if (!first_ec)  in ec_write()
666 	err = acpi_ec_write(first_ec, addr, val);  in ec_write()
680 	if (!first_ec)  in ec_transaction()
683 	return acpi_ec_transaction(first_ec, &t);  in ec_transaction()
690 	if (!first_ec)  in ec_get_handle()
692 	return first_ec->handle;  in ec_get_handle()
770 	struct acpi_ec *ec = first_ec;  in acpi_ec_block_transactions()
783 	struct acpi_ec *ec = first_ec;  in acpi_ec_unblock_transactions()
801 	if (first_ec)  in acpi_ec_unblock_transactions_early()
802 		acpi_ec_start(first_ec, true);  in acpi_ec_unblock_transactions_early()
1136 	if (!first_ec)  in acpi_ec_add()
1137 		first_ec = ec;  in acpi_ec_add()
1181 	if (ec == first_ec)  in acpi_ec_remove()
1182 		first_ec = NULL;  in acpi_ec_remove()
1215 		first_ec = boot_ec;  in acpi_boot_ec_enable()
1420 		first_ec = boot_ec;  in acpi_ec_ecdt_probe()