409 	struct transaction *t;  in advance_transaction()  local
422 	t = ec->curr;  in advance_transaction()
423 	if (!t)  in advance_transaction()
425 	if (t->flags & ACPI_EC_COMMAND_POLL) {  in advance_transaction()
426 		if (t->wlen > t->wi) {  in advance_transaction()
428 				acpi_ec_write_data(ec, t->wdata[t->wi++]);  in advance_transaction()
431 		} else if (t->rlen > t->ri) {  in advance_transaction()
433 				t->rdata[t->ri++] = acpi_ec_read_data(ec);  in advance_transaction()
434 				if (t->rlen == t->ri) {  in advance_transaction()
435 					t->flags |= ACPI_EC_COMMAND_COMPLETE;  in advance_transaction()
436 					if (t->command == ACPI_EC_COMMAND_QUERY)  in advance_transaction()
438 							   acpi_ec_cmd_string(t->command));  in advance_transaction()
443 		} else if (t->wlen == t->wi &&  in advance_transaction()
445 			t->flags |= ACPI_EC_COMMAND_COMPLETE;  in advance_transaction()
452 		    (t->command == ACPI_EC_COMMAND_QUERY)) {  in advance_transaction()
453 			t->flags |= ACPI_EC_COMMAND_POLL;  in advance_transaction()
455 			t->rdata[t->ri++] = 0x00;  in advance_transaction()
456 			t->flags |= ACPI_EC_COMMAND_COMPLETE;  in advance_transaction()
458 				   acpi_ec_cmd_string(t->command));  in advance_transaction()
461 			acpi_ec_write_cmd(ec, t->command);  in advance_transaction()
462 			t->flags |= ACPI_EC_COMMAND_POLL;  in advance_transaction()
474 		if (in_interrupt() && t) {  in advance_transaction()
475 			if (t->irq_count < ec_storm_threshold)  in advance_transaction()
476 				++t->irq_count;  in advance_transaction()
478 			if (t->irq_count == ec_storm_threshold)  in advance_transaction()
535 					struct transaction *t)  in acpi_ec_transaction_unlocked()  argument
551 	ec->curr = t;  in acpi_ec_transaction_unlocked()
552 	ec_dbg_req("Command(%s) started", acpi_ec_cmd_string(t->command));  in acpi_ec_transaction_unlocked()
557 	if (t->irq_count == ec_storm_threshold)  in acpi_ec_transaction_unlocked()
559 	ec_dbg_req("Command(%s) stopped", acpi_ec_cmd_string(t->command));  in acpi_ec_transaction_unlocked()
569 static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t)  in acpi_ec_transaction()  argument
574 	if (!ec || (!t) || (t->wlen && !t->wdata) || (t->rlen && !t->rdata))  in acpi_ec_transaction()
576 	if (t->rdata)  in acpi_ec_transaction()
577 		memset(t->rdata, 0, t->rlen);  in acpi_ec_transaction()
587 	status = acpi_ec_transaction_unlocked(ec, t);  in acpi_ec_transaction()
601 	struct transaction t = {.command = ACPI_EC_BURST_ENABLE,  in acpi_ec_burst_enable()  local
605 	return acpi_ec_transaction(ec, &t);  in acpi_ec_burst_enable()
610 	struct transaction t = {.command = ACPI_EC_BURST_DISABLE,  in acpi_ec_burst_disable()  local
615 				acpi_ec_transaction(ec, &t) : 0;  in acpi_ec_burst_disable()
622 	struct transaction t = {.command = ACPI_EC_COMMAND_READ,  in acpi_ec_read()  local
626 	result = acpi_ec_transaction(ec, &t);  in acpi_ec_read()
634 	struct transaction t = {.command = ACPI_EC_COMMAND_WRITE,  in acpi_ec_write()  local
638 	return acpi_ec_transaction(ec, &t);  in acpi_ec_write()
676 	struct transaction t = {.command = command,  in ec_transaction()  local
683 	return acpi_ec_transaction(first_ec, &t);  in ec_transaction()
890 	struct transaction t = {.command = ACPI_EC_COMMAND_QUERY,  in acpi_ec_query()  local
899 	result = acpi_ec_transaction(ec, &t);  in acpi_ec_query()