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isci: unify phy stop handlers
Merge all implementations in scic_sds_phy_stop(), and kill the state handler Reported-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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966699b50c
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931532364e
@ -463,16 +463,31 @@ enum sci_status scic_sds_phy_start(struct scic_sds_phy *sci_phy)
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return SCI_SUCCESS;
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}
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/**
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* This method will attempt to stop the phy object.
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* @sci_phy:
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*
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* enum sci_status SCI_SUCCESS if the phy is going to stop SCI_INVALID_STATE
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* if the phy is not in a valid state to stop
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*/
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enum sci_status scic_sds_phy_stop(struct scic_sds_phy *sci_phy)
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{
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return sci_phy->state_handlers->stop_handler(sci_phy);
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enum scic_sds_phy_states state = sci_phy->state_machine.current_state_id;
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switch (state) {
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case SCIC_SDS_PHY_STARTING_SUBSTATE_INITIAL:
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case SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_OSSP_EN:
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case SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SAS_SPEED_EN:
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case SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SAS_POWER:
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case SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_POWER:
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case SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_PHY_EN:
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case SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_SPEED_EN:
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case SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SIG_FIS_UF:
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case SCIC_SDS_PHY_STARTING_SUBSTATE_FINAL:
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case SCI_BASE_PHY_STATE_READY:
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break;
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default:
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dev_dbg(sciphy_to_dev(sci_phy),
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"%s: in wrong state: %d\n", __func__, state);
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return SCI_FAILURE_INVALID_STATE;
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}
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sci_base_state_machine_change_state(&sci_phy->state_machine,
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SCI_BASE_PHY_STATE_STOPPED);
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return SCI_SUCCESS;
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}
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/**
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@ -611,23 +626,6 @@ static void scic_sds_phy_restart_starting_state(
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SCI_BASE_PHY_STATE_STARTING);
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}
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/* ****************************************************************************
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* SCIC SDS PHY general handlers
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************************************************************************** */
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static enum sci_status scic_sds_phy_starting_substate_general_stop_handler(
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struct scic_sds_phy *phy)
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{
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sci_base_state_machine_change_state(&phy->state_machine,
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SCI_BASE_PHY_STATE_STOPPED);
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return SCI_SUCCESS;
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}
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/*
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* *****************************************************************************
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* * SCIC SDS PHY EVENT_HANDLERS
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* ***************************************************************************** */
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/**
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*
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* @phy: This struct scic_sds_phy object which has received an event.
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@ -1267,12 +1265,6 @@ static enum sci_status default_phy_handler(struct scic_sds_phy *sci_phy,
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return SCI_FAILURE_INVALID_STATE;
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}
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static enum sci_status
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scic_sds_phy_default_stop_handler(struct scic_sds_phy *sci_phy)
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{
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return default_phy_handler(sci_phy, __func__);
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}
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static enum sci_status
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scic_sds_phy_default_reset_handler(struct scic_sds_phy *sci_phy)
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{
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@ -1316,15 +1308,6 @@ scic_sds_phy_stopped_state_destroy_handler(struct scic_sds_phy *sci_phy)
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return SCI_SUCCESS;
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}
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static enum sci_status
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scic_sds_phy_ready_state_stop_handler(struct scic_sds_phy *sci_phy)
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{
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sci_base_state_machine_change_state(&sci_phy->state_machine,
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SCI_BASE_PHY_STATE_STOPPED);
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return SCI_SUCCESS;
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}
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static enum sci_status
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scic_sds_phy_ready_state_reset_handler(struct scic_sds_phy *sci_phy)
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{
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@ -1409,7 +1392,6 @@ static enum sci_status scic_sds_phy_resetting_state_event_handler(struct scic_sd
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static const struct scic_sds_phy_state_handler scic_sds_phy_state_handler_table[] = {
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[SCI_BASE_PHY_STATE_INITIAL] = {
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.stop_handler = scic_sds_phy_default_stop_handler,
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.reset_handler = scic_sds_phy_default_reset_handler,
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.destruct_handler = scic_sds_phy_default_destroy_handler,
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.frame_handler = scic_sds_phy_default_frame_handler,
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@ -1417,7 +1399,6 @@ static const struct scic_sds_phy_state_handler scic_sds_phy_state_handler_table[
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.consume_power_handler = scic_sds_phy_default_consume_power_handler
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},
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[SCI_BASE_PHY_STATE_STOPPED] = {
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.stop_handler = scic_sds_phy_default_stop_handler,
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.reset_handler = scic_sds_phy_default_reset_handler,
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.destruct_handler = scic_sds_phy_stopped_state_destroy_handler,
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.frame_handler = scic_sds_phy_default_frame_handler,
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@ -1425,7 +1406,6 @@ static const struct scic_sds_phy_state_handler scic_sds_phy_state_handler_table[
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.consume_power_handler = scic_sds_phy_default_consume_power_handler
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},
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[SCI_BASE_PHY_STATE_STARTING] = {
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.stop_handler = scic_sds_phy_default_stop_handler,
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.reset_handler = scic_sds_phy_default_reset_handler,
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.destruct_handler = scic_sds_phy_default_destroy_handler,
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.frame_handler = scic_sds_phy_default_frame_handler,
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@ -1433,7 +1413,6 @@ static const struct scic_sds_phy_state_handler scic_sds_phy_state_handler_table[
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.consume_power_handler = scic_sds_phy_default_consume_power_handler
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},
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[SCIC_SDS_PHY_STARTING_SUBSTATE_INITIAL] = {
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.stop_handler = scic_sds_phy_starting_substate_general_stop_handler,
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.reset_handler = scic_sds_phy_default_reset_handler,
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.destruct_handler = scic_sds_phy_default_destroy_handler,
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.frame_handler = scic_sds_phy_default_frame_handler,
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@ -1441,7 +1420,6 @@ static const struct scic_sds_phy_state_handler scic_sds_phy_state_handler_table[
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.consume_power_handler = scic_sds_phy_default_consume_power_handler
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},
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[SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_OSSP_EN] = {
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.stop_handler = scic_sds_phy_starting_substate_general_stop_handler,
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.reset_handler = scic_sds_phy_default_reset_handler,
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.destruct_handler = scic_sds_phy_default_destroy_handler,
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.frame_handler = scic_sds_phy_default_frame_handler,
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@ -1449,7 +1427,6 @@ static const struct scic_sds_phy_state_handler scic_sds_phy_state_handler_table[
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.consume_power_handler = scic_sds_phy_default_consume_power_handler
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},
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[SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SAS_SPEED_EN] = {
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.stop_handler = scic_sds_phy_starting_substate_general_stop_handler,
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.reset_handler = scic_sds_phy_default_reset_handler,
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.destruct_handler = scic_sds_phy_default_destroy_handler,
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.frame_handler = scic_sds_phy_default_frame_handler,
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@ -1457,7 +1434,6 @@ static const struct scic_sds_phy_state_handler scic_sds_phy_state_handler_table[
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.consume_power_handler = scic_sds_phy_default_consume_power_handler
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},
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[SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_IAF_UF] = {
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.stop_handler = scic_sds_phy_default_stop_handler,
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.reset_handler = scic_sds_phy_default_reset_handler,
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.destruct_handler = scic_sds_phy_default_destroy_handler,
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.frame_handler = scic_sds_phy_starting_substate_await_iaf_uf_frame_handler,
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@ -1465,7 +1441,6 @@ static const struct scic_sds_phy_state_handler scic_sds_phy_state_handler_table[
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.consume_power_handler = scic_sds_phy_default_consume_power_handler
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},
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[SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SAS_POWER] = {
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.stop_handler = scic_sds_phy_starting_substate_general_stop_handler,
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.reset_handler = scic_sds_phy_default_reset_handler,
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.destruct_handler = scic_sds_phy_default_destroy_handler,
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.frame_handler = scic_sds_phy_default_frame_handler,
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@ -1473,7 +1448,6 @@ static const struct scic_sds_phy_state_handler scic_sds_phy_state_handler_table[
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.consume_power_handler = scic_sds_phy_starting_substate_await_sas_power_consume_power_handler
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},
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[SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_POWER] = {
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.stop_handler = scic_sds_phy_starting_substate_general_stop_handler,
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.reset_handler = scic_sds_phy_default_reset_handler,
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.destruct_handler = scic_sds_phy_default_destroy_handler,
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.frame_handler = scic_sds_phy_default_frame_handler,
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@ -1481,7 +1455,6 @@ static const struct scic_sds_phy_state_handler scic_sds_phy_state_handler_table[
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.consume_power_handler = scic_sds_phy_starting_substate_await_sata_power_consume_power_handler
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},
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[SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_PHY_EN] = {
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.stop_handler = scic_sds_phy_starting_substate_general_stop_handler,
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.reset_handler = scic_sds_phy_default_reset_handler,
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.destruct_handler = scic_sds_phy_default_destroy_handler,
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.frame_handler = scic_sds_phy_default_frame_handler,
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@ -1489,7 +1462,6 @@ static const struct scic_sds_phy_state_handler scic_sds_phy_state_handler_table[
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.consume_power_handler = scic_sds_phy_default_consume_power_handler
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},
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[SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SATA_SPEED_EN] = {
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.stop_handler = scic_sds_phy_starting_substate_general_stop_handler,
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.reset_handler = scic_sds_phy_default_reset_handler,
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.destruct_handler = scic_sds_phy_default_destroy_handler,
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.frame_handler = scic_sds_phy_default_frame_handler,
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@ -1497,7 +1469,6 @@ static const struct scic_sds_phy_state_handler scic_sds_phy_state_handler_table[
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.consume_power_handler = scic_sds_phy_default_consume_power_handler
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},
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[SCIC_SDS_PHY_STARTING_SUBSTATE_AWAIT_SIG_FIS_UF] = {
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.stop_handler = scic_sds_phy_starting_substate_general_stop_handler,
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.reset_handler = scic_sds_phy_default_reset_handler,
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.destruct_handler = scic_sds_phy_default_destroy_handler,
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.frame_handler = scic_sds_phy_starting_substate_await_sig_fis_frame_handler,
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@ -1505,7 +1476,6 @@ static const struct scic_sds_phy_state_handler scic_sds_phy_state_handler_table[
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.consume_power_handler = scic_sds_phy_default_consume_power_handler
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},
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[SCIC_SDS_PHY_STARTING_SUBSTATE_FINAL] = {
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.stop_handler = scic_sds_phy_starting_substate_general_stop_handler,
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.reset_handler = scic_sds_phy_default_reset_handler,
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.destruct_handler = scic_sds_phy_default_destroy_handler,
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.frame_handler = scic_sds_phy_default_frame_handler,
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@ -1513,7 +1483,6 @@ static const struct scic_sds_phy_state_handler scic_sds_phy_state_handler_table[
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.consume_power_handler = scic_sds_phy_default_consume_power_handler
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},
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[SCI_BASE_PHY_STATE_READY] = {
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.stop_handler = scic_sds_phy_ready_state_stop_handler,
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.reset_handler = scic_sds_phy_ready_state_reset_handler,
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.destruct_handler = scic_sds_phy_default_destroy_handler,
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.frame_handler = scic_sds_phy_default_frame_handler,
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@ -1521,7 +1490,6 @@ static const struct scic_sds_phy_state_handler scic_sds_phy_state_handler_table[
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.consume_power_handler = scic_sds_phy_default_consume_power_handler
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},
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[SCI_BASE_PHY_STATE_RESETTING] = {
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.stop_handler = scic_sds_phy_default_stop_handler,
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.reset_handler = scic_sds_phy_default_reset_handler,
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.destruct_handler = scic_sds_phy_default_destroy_handler,
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.frame_handler = scic_sds_phy_default_frame_handler,
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@ -1529,7 +1497,6 @@ static const struct scic_sds_phy_state_handler scic_sds_phy_state_handler_table[
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.consume_power_handler = scic_sds_phy_default_consume_power_handler
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},
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[SCI_BASE_PHY_STATE_FINAL] = {
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.stop_handler = scic_sds_phy_default_stop_handler,
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.reset_handler = scic_sds_phy_default_reset_handler,
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.destruct_handler = scic_sds_phy_default_destroy_handler,
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.frame_handler = scic_sds_phy_default_frame_handler,
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@ -511,12 +511,6 @@ typedef enum sci_status (*scic_sds_phy_frame_handler_t)(struct scic_sds_phy *, u
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typedef enum sci_status (*scic_sds_phy_power_handler_t)(struct scic_sds_phy *);
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struct scic_sds_phy_state_handler {
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/**
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* The stop_handler specifies the method invoked when there is an
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* attempt to stop a phy.
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*/
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scic_sds_phy_handler_t stop_handler;
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/**
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* The reset_handler specifies the method invoked when there is an
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* attempt to reset a phy.
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