647 static void acpi_ec_spurious_interrupt(struct acpi_ec *ec, struct transaction *t)  in acpi_ec_spurious_interrupt()  argument
649 	if (t->irq_count < ec_storm_threshold)  in acpi_ec_spurious_interrupt()
650 		++t->irq_count;  in acpi_ec_spurious_interrupt()
653 	if (t->irq_count == ec_storm_threshold)  in acpi_ec_spurious_interrupt()
659 	struct transaction *t = ec->curr;  in advance_transaction()  local
671 	if (!t || !(t->flags & ACPI_EC_COMMAND_POLL)) {  in advance_transaction()
676 		if (!t)  in advance_transaction()
680 	if (t->flags & ACPI_EC_COMMAND_POLL) {  in advance_transaction()
681 		if (t->wlen > t->wi) {  in advance_transaction()
683 				acpi_ec_write_data(ec, t->wdata[t->wi++]);  in advance_transaction()
685 				acpi_ec_spurious_interrupt(ec, t);  in advance_transaction()
686 		} else if (t->rlen > t->ri) {  in advance_transaction()
688 				t->rdata[t->ri++] = acpi_ec_read_data(ec);  in advance_transaction()
689 				if (t->rlen == t->ri) {  in advance_transaction()
692 					if (t->command == ACPI_EC_COMMAND_QUERY)  in advance_transaction()
697 				acpi_ec_spurious_interrupt(ec, t);  in advance_transaction()
699 		} else if (t->wlen == t->wi && !(status & ACPI_EC_FLAG_IBF)) {  in advance_transaction()
704 		acpi_ec_write_cmd(ec, t->command);  in advance_transaction()
781 					struct transaction *t)  in acpi_ec_transaction_unlocked()  argument
786 	if (t->rdata)  in acpi_ec_transaction_unlocked()
787 		memset(t->rdata, 0, t->rlen);  in acpi_ec_transaction_unlocked()
798 	ec->curr = t;  in acpi_ec_transaction_unlocked()
799 	ec_dbg_req("Command(%s) started", acpi_ec_cmd_string(t->command));  in acpi_ec_transaction_unlocked()
806 	if (t->irq_count == ec_storm_threshold)  in acpi_ec_transaction_unlocked()
808 	ec_dbg_req("Command(%s) stopped", acpi_ec_cmd_string(t->command));  in acpi_ec_transaction_unlocked()
818 static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t)  in acpi_ec_transaction()  argument
823 	if (!ec || (!t) || (t->wlen && !t->wdata) || (t->rlen && !t->rdata))  in acpi_ec_transaction()
835 	status = acpi_ec_transaction_unlocked(ec, t);  in acpi_ec_transaction()
847 	struct transaction t = {.command = ACPI_EC_BURST_ENABLE,  in acpi_ec_burst_enable()  local
851 	return acpi_ec_transaction_unlocked(ec, &t);  in acpi_ec_burst_enable()
856 	struct transaction t = {.command = ACPI_EC_BURST_DISABLE,  in acpi_ec_burst_disable()  local
861 				acpi_ec_transaction_unlocked(ec, &t) : 0;  in acpi_ec_burst_disable()
868 	struct transaction t = {.command = ACPI_EC_COMMAND_READ,  in acpi_ec_read()  local
872 	result = acpi_ec_transaction(ec, &t);  in acpi_ec_read()
881 	struct transaction t = {.command = ACPI_EC_COMMAND_READ,  in acpi_ec_read_unlocked()  local
885 	result = acpi_ec_transaction_unlocked(ec, &t);  in acpi_ec_read_unlocked()
893 	struct transaction t = {.command = ACPI_EC_COMMAND_WRITE,  in acpi_ec_write()  local
897 	return acpi_ec_transaction(ec, &t);  in acpi_ec_write()
903 	struct transaction t = {.command = ACPI_EC_COMMAND_WRITE,  in acpi_ec_write_unlocked()  local
907 	return acpi_ec_transaction_unlocked(ec, &t);  in acpi_ec_write_unlocked()
941 	struct transaction t = {.command = command,  in ec_transaction()  local
948 	return acpi_ec_transaction(first_ec, &t);  in ec_transaction()
1175 	struct transaction *t;  in acpi_ec_create_query()  local
1182 	t = &q->transaction;  in acpi_ec_create_query()
1183 	t->command = ACPI_EC_COMMAND_QUERY;  in acpi_ec_create_query()
1184 	t->rdata = pval;  in acpi_ec_create_query()
1185 	t->rlen = 1;  in acpi_ec_create_query()