Lines Matching refs:rdev
84 static int _regulator_is_enabled(struct regulator_dev *rdev);
86 static int _regulator_get_error_flags(struct regulator_dev *rdev, unsigned int *flags);
87 static int _regulator_get_current_limit(struct regulator_dev *rdev);
88 static unsigned int _regulator_get_mode(struct regulator_dev *rdev);
89 static int _notifier_call_chain(struct regulator_dev *rdev,
91 static int _regulator_do_set_voltage(struct regulator_dev *rdev,
93 static int regulator_balance_voltage(struct regulator_dev *rdev,
95 static struct regulator *create_regulator(struct regulator_dev *rdev,
101 const char *rdev_get_name(struct regulator_dev *rdev) in rdev_get_name() argument
103 if (rdev->constraints && rdev->constraints->name) in rdev_get_name()
104 return rdev->constraints->name; in rdev_get_name()
105 else if (rdev->desc->name) in rdev_get_name()
106 return rdev->desc->name; in rdev_get_name()
117 static bool regulator_ops_is_valid(struct regulator_dev *rdev, int ops) in regulator_ops_is_valid() argument
119 if (!rdev->constraints) { in regulator_ops_is_valid()
120 rdev_err(rdev, "no constraints\n"); in regulator_ops_is_valid()
124 if (rdev->constraints->valid_ops_mask & ops) in regulator_ops_is_valid()
141 static inline int regulator_lock_nested(struct regulator_dev *rdev, in regulator_lock_nested() argument
149 if (!ww_mutex_trylock(&rdev->mutex, ww_ctx)) { in regulator_lock_nested()
150 if (rdev->mutex_owner == current) in regulator_lock_nested()
151 rdev->ref_cnt++; in regulator_lock_nested()
157 ret = ww_mutex_lock(&rdev->mutex, ww_ctx); in regulator_lock_nested()
165 rdev->ref_cnt++; in regulator_lock_nested()
166 rdev->mutex_owner = current; in regulator_lock_nested()
184 static void regulator_lock(struct regulator_dev *rdev) in regulator_lock() argument
186 regulator_lock_nested(rdev, NULL); in regulator_lock()
196 static void regulator_unlock(struct regulator_dev *rdev) in regulator_unlock() argument
200 if (--rdev->ref_cnt == 0) { in regulator_unlock()
201 rdev->mutex_owner = NULL; in regulator_unlock()
202 ww_mutex_unlock(&rdev->mutex); in regulator_unlock()
205 WARN_ON_ONCE(rdev->ref_cnt < 0); in regulator_unlock()
275 static bool regulator_supply_is_couple(struct regulator_dev *rdev) in regulator_supply_is_couple() argument
280 for (i = 1; i < rdev->coupling_desc.n_coupled; i++) { in regulator_supply_is_couple()
281 c_rdev = rdev->coupling_desc.coupled_rdevs[i]; in regulator_supply_is_couple()
283 if (rdev->supply->rdev == c_rdev) in regulator_supply_is_couple()
290 static void regulator_unlock_recursive(struct regulator_dev *rdev, in regulator_unlock_recursive() argument
297 c_rdev = rdev->coupling_desc.coupled_rdevs[i - 1]; in regulator_unlock_recursive()
303 supply_rdev = c_rdev->supply->rdev; in regulator_unlock_recursive()
314 static int regulator_lock_recursive(struct regulator_dev *rdev, in regulator_lock_recursive() argument
322 for (i = 0; i < rdev->coupling_desc.n_coupled; i++) { in regulator_lock_recursive()
323 c_rdev = rdev->coupling_desc.coupled_rdevs[i]; in regulator_lock_recursive()
344 err = regulator_lock_recursive(c_rdev->supply->rdev, in regulator_lock_recursive()
358 regulator_unlock_recursive(rdev, i); in regulator_lock_recursive()
371 static void regulator_unlock_dependent(struct regulator_dev *rdev, in regulator_unlock_dependent() argument
374 regulator_unlock_recursive(rdev, rdev->coupling_desc.n_coupled); in regulator_unlock_dependent()
386 static void regulator_lock_dependent(struct regulator_dev *rdev, in regulator_lock_dependent() argument
405 err = regulator_lock_recursive(rdev, in regulator_lock_dependent()
487 int regulator_check_voltage(struct regulator_dev *rdev, in regulator_check_voltage() argument
492 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_VOLTAGE)) { in regulator_check_voltage()
493 rdev_err(rdev, "voltage operation not allowed\n"); in regulator_check_voltage()
497 if (*max_uV > rdev->constraints->max_uV) in regulator_check_voltage()
498 *max_uV = rdev->constraints->max_uV; in regulator_check_voltage()
499 if (*min_uV < rdev->constraints->min_uV) in regulator_check_voltage()
500 *min_uV = rdev->constraints->min_uV; in regulator_check_voltage()
503 rdev_err(rdev, "unsupportable voltage range: %d-%duV\n", in regulator_check_voltage()
520 int regulator_check_consumers(struct regulator_dev *rdev, in regulator_check_consumers() argument
527 list_for_each_entry(regulator, &rdev->consumer_list, list) { in regulator_check_consumers()
543 rdev_err(rdev, "Restricting voltage, %u-%uuV\n", in regulator_check_consumers()
552 static int regulator_check_current_limit(struct regulator_dev *rdev, in regulator_check_current_limit() argument
557 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_CURRENT)) { in regulator_check_current_limit()
558 rdev_err(rdev, "current operation not allowed\n"); in regulator_check_current_limit()
562 if (*max_uA > rdev->constraints->max_uA) in regulator_check_current_limit()
563 *max_uA = rdev->constraints->max_uA; in regulator_check_current_limit()
564 if (*min_uA < rdev->constraints->min_uA) in regulator_check_current_limit()
565 *min_uA = rdev->constraints->min_uA; in regulator_check_current_limit()
568 rdev_err(rdev, "unsupportable current range: %d-%duA\n", in regulator_check_current_limit()
577 static int regulator_mode_constrain(struct regulator_dev *rdev, in regulator_mode_constrain() argument
587 rdev_err(rdev, "invalid mode %x specified\n", *mode); in regulator_mode_constrain()
591 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_MODE)) { in regulator_mode_constrain()
592 rdev_err(rdev, "mode operation not allowed\n"); in regulator_mode_constrain()
601 if (rdev->constraints->valid_modes_mask & *mode) in regulator_mode_constrain()
610 regulator_get_suspend_state(struct regulator_dev *rdev, suspend_state_t state) in regulator_get_suspend_state() argument
612 if (rdev->constraints == NULL) in regulator_get_suspend_state()
617 return &rdev->constraints->state_standby; in regulator_get_suspend_state()
619 return &rdev->constraints->state_mem; in regulator_get_suspend_state()
621 return &rdev->constraints->state_disk; in regulator_get_suspend_state()
628 regulator_get_suspend_state_check(struct regulator_dev *rdev, suspend_state_t state) in regulator_get_suspend_state_check() argument
632 rstate = regulator_get_suspend_state(rdev, state); in regulator_get_suspend_state_check()
642 if (rdev->desc->ops->set_suspend_voltage || in regulator_get_suspend_state_check()
643 rdev->desc->ops->set_suspend_mode) in regulator_get_suspend_state_check()
644 rdev_warn(rdev, "No configuration\n"); in regulator_get_suspend_state_check()
654 struct regulator_dev *rdev = dev_get_drvdata(dev); in microvolts_show() local
657 regulator_lock(rdev); in microvolts_show()
658 uV = regulator_get_voltage_rdev(rdev); in microvolts_show()
659 regulator_unlock(rdev); in microvolts_show()
670 struct regulator_dev *rdev = dev_get_drvdata(dev); in microamps_show() local
672 return sprintf(buf, "%d\n", _regulator_get_current_limit(rdev)); in microamps_show()
679 struct regulator_dev *rdev = dev_get_drvdata(dev); in name_show() local
681 return sprintf(buf, "%s\n", rdev_get_name(rdev)); in name_show()
708 struct regulator_dev *rdev = dev_get_drvdata(dev); in opmode_show() local
710 return regulator_print_opmode(buf, _regulator_get_mode(rdev)); in opmode_show()
727 struct regulator_dev *rdev = dev_get_drvdata(dev); in state_show() local
730 regulator_lock(rdev); in state_show()
731 ret = regulator_print_state(buf, _regulator_is_enabled(rdev)); in state_show()
732 regulator_unlock(rdev); in state_show()
741 struct regulator_dev *rdev = dev_get_drvdata(dev); in status_show() local
745 status = rdev->desc->ops->get_status(rdev); in status_show()
788 struct regulator_dev *rdev = dev_get_drvdata(dev); in min_microamps_show() local
790 if (!rdev->constraints) in min_microamps_show()
793 return sprintf(buf, "%d\n", rdev->constraints->min_uA); in min_microamps_show()
800 struct regulator_dev *rdev = dev_get_drvdata(dev); in max_microamps_show() local
802 if (!rdev->constraints) in max_microamps_show()
805 return sprintf(buf, "%d\n", rdev->constraints->max_uA); in max_microamps_show()
812 struct regulator_dev *rdev = dev_get_drvdata(dev); in min_microvolts_show() local
814 if (!rdev->constraints) in min_microvolts_show()
817 return sprintf(buf, "%d\n", rdev->constraints->min_uV); in min_microvolts_show()
824 struct regulator_dev *rdev = dev_get_drvdata(dev); in max_microvolts_show() local
826 if (!rdev->constraints) in max_microvolts_show()
829 return sprintf(buf, "%d\n", rdev->constraints->max_uV); in max_microvolts_show()
836 struct regulator_dev *rdev = dev_get_drvdata(dev); in requested_microamps_show() local
840 regulator_lock(rdev); in requested_microamps_show()
841 list_for_each_entry(regulator, &rdev->consumer_list, list) { in requested_microamps_show()
845 regulator_unlock(rdev); in requested_microamps_show()
853 struct regulator_dev *rdev = dev_get_drvdata(dev); in num_users_show() local
854 return sprintf(buf, "%d\n", rdev->use_count); in num_users_show()
861 struct regulator_dev *rdev = dev_get_drvdata(dev); in type_show() local
863 switch (rdev->desc->type) { in type_show()
876 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_mem_microvolts_show() local
878 return sprintf(buf, "%d\n", rdev->constraints->state_mem.uV); in suspend_mem_microvolts_show()
885 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_disk_microvolts_show() local
887 return sprintf(buf, "%d\n", rdev->constraints->state_disk.uV); in suspend_disk_microvolts_show()
894 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_standby_microvolts_show() local
896 return sprintf(buf, "%d\n", rdev->constraints->state_standby.uV); in suspend_standby_microvolts_show()
903 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_mem_mode_show() local
906 rdev->constraints->state_mem.mode); in suspend_mem_mode_show()
913 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_disk_mode_show() local
916 rdev->constraints->state_disk.mode); in suspend_disk_mode_show()
923 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_standby_mode_show() local
926 rdev->constraints->state_standby.mode); in suspend_standby_mode_show()
933 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_mem_state_show() local
936 rdev->constraints->state_mem.enabled); in suspend_mem_state_show()
943 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_disk_state_show() local
946 rdev->constraints->state_disk.enabled); in suspend_disk_state_show()
953 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_standby_state_show() local
956 rdev->constraints->state_standby.enabled); in suspend_standby_state_show()
963 struct regulator_dev *rdev = dev_get_drvdata(dev); in bypass_show() local
968 ret = rdev->desc->ops->get_bypass(rdev, &bypass); in bypass_show()
987 struct regulator_dev *rdev = dev_get_drvdata(dev); \
988 ret = _regulator_get_error_flags(rdev, &flags); \
1008 static int drms_uA_update(struct regulator_dev *rdev) in drms_uA_update() argument
1018 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_DRMS)) { in drms_uA_update()
1019 rdev_dbg(rdev, "DRMS operation not allowed\n"); in drms_uA_update()
1023 if (!rdev->desc->ops->get_optimum_mode && in drms_uA_update()
1024 !rdev->desc->ops->set_load) in drms_uA_update()
1027 if (!rdev->desc->ops->set_mode && in drms_uA_update()
1028 !rdev->desc->ops->set_load) in drms_uA_update()
1032 list_for_each_entry(sibling, &rdev->consumer_list, list) { in drms_uA_update()
1037 current_uA += rdev->constraints->system_load; in drms_uA_update()
1039 if (rdev->desc->ops->set_load) { in drms_uA_update()
1041 err = rdev->desc->ops->set_load(rdev, current_uA); in drms_uA_update()
1043 rdev_err(rdev, "failed to set load %d: %pe\n", in drms_uA_update()
1053 if (!rdev->constraints->valid_modes_mask) { in drms_uA_update()
1054 rdev_dbg(rdev, "Can change modes; but no valid mode\n"); in drms_uA_update()
1059 output_uV = regulator_get_voltage_rdev(rdev); in drms_uA_update()
1066 rdev_dbg(rdev, "invalid output voltage found\n"); in drms_uA_update()
1070 if (rdev->supply) in drms_uA_update()
1071 input_uV = regulator_get_voltage_rdev(rdev->supply->rdev); in drms_uA_update()
1073 input_uV = rdev->constraints->input_uV; in drms_uA_update()
1080 rdev_dbg(rdev, "invalid input voltage found\n"); in drms_uA_update()
1083 mode = rdev->desc->ops->get_optimum_mode(rdev, input_uV, in drms_uA_update()
1087 err = regulator_mode_constrain(rdev, &mode); in drms_uA_update()
1089 rdev_err(rdev, "failed to get optimum mode @ %d uA %d -> %d uV: %pe\n", in drms_uA_update()
1094 err = rdev->desc->ops->set_mode(rdev, mode); in drms_uA_update()
1096 rdev_err(rdev, "failed to set optimum mode %x: %pe\n", in drms_uA_update()
1103 static int __suspend_set_state(struct regulator_dev *rdev, in __suspend_set_state() argument
1109 rdev->desc->ops->set_suspend_enable) in __suspend_set_state()
1110 ret = rdev->desc->ops->set_suspend_enable(rdev); in __suspend_set_state()
1112 rdev->desc->ops->set_suspend_disable) in __suspend_set_state()
1113 ret = rdev->desc->ops->set_suspend_disable(rdev); in __suspend_set_state()
1118 rdev_err(rdev, "failed to enabled/disable: %pe\n", ERR_PTR(ret)); in __suspend_set_state()
1122 if (rdev->desc->ops->set_suspend_voltage && rstate->uV > 0) { in __suspend_set_state()
1123 ret = rdev->desc->ops->set_suspend_voltage(rdev, rstate->uV); in __suspend_set_state()
1125 rdev_err(rdev, "failed to set voltage: %pe\n", ERR_PTR(ret)); in __suspend_set_state()
1130 if (rdev->desc->ops->set_suspend_mode && rstate->mode > 0) { in __suspend_set_state()
1131 ret = rdev->desc->ops->set_suspend_mode(rdev, rstate->mode); in __suspend_set_state()
1133 rdev_err(rdev, "failed to set mode: %pe\n", ERR_PTR(ret)); in __suspend_set_state()
1141 static int suspend_set_initial_state(struct regulator_dev *rdev) in suspend_set_initial_state() argument
1145 rstate = regulator_get_suspend_state_check(rdev, in suspend_set_initial_state()
1146 rdev->constraints->initial_state); in suspend_set_initial_state()
1150 return __suspend_set_state(rdev, rstate); in suspend_set_initial_state()
1154 static void print_constraints_debug(struct regulator_dev *rdev) in print_constraints_debug() argument
1156 struct regulation_constraints *constraints = rdev->constraints; in print_constraints_debug()
1175 ret = regulator_get_voltage_rdev(rdev); in print_constraints_debug()
1198 ret = _regulator_get_current_limit(rdev); in print_constraints_debug()
1219 _regulator_is_enabled(rdev) ? "enabled" : "disabled"); in print_constraints_debug()
1221 rdev_dbg(rdev, "%s\n", buf); in print_constraints_debug()
1224 static inline void print_constraints_debug(struct regulator_dev *rdev) {} in print_constraints_debug() argument
1227 static void print_constraints(struct regulator_dev *rdev) in print_constraints() argument
1229 struct regulation_constraints *constraints = rdev->constraints; in print_constraints()
1231 print_constraints_debug(rdev); in print_constraints()
1234 !regulator_ops_is_valid(rdev, REGULATOR_CHANGE_VOLTAGE)) in print_constraints()
1235 rdev_warn(rdev, in print_constraints()
1239 static int machine_constraints_voltage(struct regulator_dev *rdev, in machine_constraints_voltage() argument
1242 const struct regulator_ops *ops = rdev->desc->ops; in machine_constraints_voltage()
1246 if (rdev->constraints->apply_uV && in machine_constraints_voltage()
1247 rdev->constraints->min_uV && rdev->constraints->max_uV) { in machine_constraints_voltage()
1249 int current_uV = regulator_get_voltage_rdev(rdev); in machine_constraints_voltage()
1253 rdev_info(rdev, "Setting %d-%duV\n", in machine_constraints_voltage()
1254 rdev->constraints->min_uV, in machine_constraints_voltage()
1255 rdev->constraints->max_uV); in machine_constraints_voltage()
1256 _regulator_do_set_voltage(rdev, in machine_constraints_voltage()
1257 rdev->constraints->min_uV, in machine_constraints_voltage()
1258 rdev->constraints->max_uV); in machine_constraints_voltage()
1259 current_uV = regulator_get_voltage_rdev(rdev); in machine_constraints_voltage()
1264 rdev_err(rdev, in machine_constraints_voltage()
1278 if (current_uV < rdev->constraints->min_uV) { in machine_constraints_voltage()
1279 target_min = rdev->constraints->min_uV; in machine_constraints_voltage()
1280 target_max = rdev->constraints->min_uV; in machine_constraints_voltage()
1283 if (current_uV > rdev->constraints->max_uV) { in machine_constraints_voltage()
1284 target_min = rdev->constraints->max_uV; in machine_constraints_voltage()
1285 target_max = rdev->constraints->max_uV; in machine_constraints_voltage()
1289 rdev_info(rdev, "Bringing %duV into %d-%duV\n", in machine_constraints_voltage()
1292 rdev, target_min, target_max); in machine_constraints_voltage()
1294 rdev_err(rdev, in machine_constraints_voltage()
1305 if (ops->list_voltage && rdev->desc->n_voltages) { in machine_constraints_voltage()
1306 int count = rdev->desc->n_voltages; in machine_constraints_voltage()
1329 rdev_err(rdev, "invalid voltage constraints\n"); in machine_constraints_voltage()
1334 if (rdev->desc->continuous_voltage_range) in machine_constraints_voltage()
1341 value = ops->list_voltage(rdev, i); in machine_constraints_voltage()
1354 rdev_err(rdev, in machine_constraints_voltage()
1362 rdev_dbg(rdev, "override min_uV, %d -> %d\n", in machine_constraints_voltage()
1367 rdev_dbg(rdev, "override max_uV, %d -> %d\n", in machine_constraints_voltage()
1376 static int machine_constraints_current(struct regulator_dev *rdev, in machine_constraints_current() argument
1379 const struct regulator_ops *ops = rdev->desc->ops; in machine_constraints_current()
1386 rdev_err(rdev, "Invalid current constraints\n"); in machine_constraints_current()
1391 rdev_warn(rdev, "Operation of current configuration missing\n"); in machine_constraints_current()
1396 ret = ops->set_current_limit(rdev, constraints->min_uA, in machine_constraints_current()
1399 rdev_err(rdev, "Failed to set current constraint, %d\n", ret); in machine_constraints_current()
1406 static int _regulator_do_enable(struct regulator_dev *rdev);
1408 static int notif_set_limit(struct regulator_dev *rdev, in notif_set_limit() argument
1424 return set(rdev, limit, severity, enable); in notif_set_limit()
1427 static int handle_notify_limits(struct regulator_dev *rdev, in handle_notify_limits() argument
1437 ret = notif_set_limit(rdev, set, limits->prot, in handle_notify_limits()
1443 ret = notif_set_limit(rdev, set, limits->err, in handle_notify_limits()
1449 ret = notif_set_limit(rdev, set, limits->warn, in handle_notify_limits()
1464 static int set_machine_constraints(struct regulator_dev *rdev) in set_machine_constraints() argument
1467 const struct regulator_ops *ops = rdev->desc->ops; in set_machine_constraints()
1469 ret = machine_constraints_voltage(rdev, rdev->constraints); in set_machine_constraints()
1473 ret = machine_constraints_current(rdev, rdev->constraints); in set_machine_constraints()
1477 if (rdev->constraints->ilim_uA && ops->set_input_current_limit) { in set_machine_constraints()
1478 ret = ops->set_input_current_limit(rdev, in set_machine_constraints()
1479 rdev->constraints->ilim_uA); in set_machine_constraints()
1481 rdev_err(rdev, "failed to set input limit: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1487 if (rdev->constraints->initial_state) { in set_machine_constraints()
1488 ret = suspend_set_initial_state(rdev); in set_machine_constraints()
1490 rdev_err(rdev, "failed to set suspend state: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1495 if (rdev->constraints->initial_mode) { in set_machine_constraints()
1497 rdev_err(rdev, "no set_mode operation\n"); in set_machine_constraints()
1501 ret = ops->set_mode(rdev, rdev->constraints->initial_mode); in set_machine_constraints()
1503 rdev_err(rdev, "failed to set initial mode: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1506 } else if (rdev->constraints->system_load) { in set_machine_constraints()
1511 drms_uA_update(rdev); in set_machine_constraints()
1514 if ((rdev->constraints->ramp_delay || rdev->constraints->ramp_disable) in set_machine_constraints()
1516 ret = ops->set_ramp_delay(rdev, rdev->constraints->ramp_delay); in set_machine_constraints()
1518 rdev_err(rdev, "failed to set ramp_delay: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1523 if (rdev->constraints->pull_down && ops->set_pull_down) { in set_machine_constraints()
1524 ret = ops->set_pull_down(rdev); in set_machine_constraints()
1526 rdev_err(rdev, "failed to set pull down: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1531 if (rdev->constraints->soft_start && ops->set_soft_start) { in set_machine_constraints()
1532 ret = ops->set_soft_start(rdev); in set_machine_constraints()
1534 rdev_err(rdev, "failed to set soft start: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1553 if (rdev->constraints->over_current_protection in set_machine_constraints()
1555 int lim = rdev->constraints->over_curr_limits.prot; in set_machine_constraints()
1557 ret = ops->set_over_current_protection(rdev, lim, in set_machine_constraints()
1561 rdev_err(rdev, "failed to set over current protection: %pe\n", in set_machine_constraints()
1567 if (rdev->constraints->over_current_detection) in set_machine_constraints()
1568 ret = handle_notify_limits(rdev, in set_machine_constraints()
1570 &rdev->constraints->over_curr_limits); in set_machine_constraints()
1573 rdev_err(rdev, "failed to set over current limits: %pe\n", in set_machine_constraints()
1577 rdev_warn(rdev, in set_machine_constraints()
1581 if (rdev->constraints->over_voltage_detection) in set_machine_constraints()
1582 ret = handle_notify_limits(rdev, in set_machine_constraints()
1584 &rdev->constraints->over_voltage_limits); in set_machine_constraints()
1587 rdev_err(rdev, "failed to set over voltage limits %pe\n", in set_machine_constraints()
1591 rdev_warn(rdev, in set_machine_constraints()
1595 if (rdev->constraints->under_voltage_detection) in set_machine_constraints()
1596 ret = handle_notify_limits(rdev, in set_machine_constraints()
1598 &rdev->constraints->under_voltage_limits); in set_machine_constraints()
1601 rdev_err(rdev, "failed to set under voltage limits %pe\n", in set_machine_constraints()
1605 rdev_warn(rdev, in set_machine_constraints()
1609 if (rdev->constraints->over_temp_detection) in set_machine_constraints()
1610 ret = handle_notify_limits(rdev, in set_machine_constraints()
1612 &rdev->constraints->temp_limits); in set_machine_constraints()
1615 rdev_err(rdev, "failed to set temperature limits %pe\n", in set_machine_constraints()
1619 rdev_warn(rdev, in set_machine_constraints()
1623 if (rdev->constraints->active_discharge && ops->set_active_discharge) { in set_machine_constraints()
1624 bool ad_state = (rdev->constraints->active_discharge == in set_machine_constraints()
1627 ret = ops->set_active_discharge(rdev, ad_state); in set_machine_constraints()
1629 rdev_err(rdev, "failed to set active discharge: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1641 if (!rdev->ena_pin && !ops->enable) { in set_machine_constraints()
1642 if (rdev->supply_name && !rdev->supply) in set_machine_constraints()
1645 if (rdev->supply) in set_machine_constraints()
1646 rdev->constraints->always_on = in set_machine_constraints()
1647 rdev->supply->rdev->constraints->always_on; in set_machine_constraints()
1649 rdev->constraints->always_on = true; in set_machine_constraints()
1655 if (rdev->constraints->always_on || rdev->constraints->boot_on) { in set_machine_constraints()
1659 if (rdev->supply_name && !rdev->supply) in set_machine_constraints()
1666 if (rdev->supply && in set_machine_constraints()
1667 (rdev->constraints->always_on || in set_machine_constraints()
1668 !regulator_is_enabled(rdev->supply))) { in set_machine_constraints()
1669 ret = regulator_enable(rdev->supply); in set_machine_constraints()
1671 _regulator_put(rdev->supply); in set_machine_constraints()
1672 rdev->supply = NULL; in set_machine_constraints()
1677 ret = _regulator_do_enable(rdev); in set_machine_constraints()
1679 rdev_err(rdev, "failed to enable: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1683 if (rdev->constraints->always_on) in set_machine_constraints()
1684 rdev->use_count++; in set_machine_constraints()
1685 } else if (rdev->desc->off_on_delay) { in set_machine_constraints()
1686 rdev->last_off = ktime_get(); in set_machine_constraints()
1689 print_constraints(rdev); in set_machine_constraints()
1702 static int set_supply(struct regulator_dev *rdev, in set_supply() argument
1707 rdev_dbg(rdev, "supplied by %s\n", rdev_get_name(supply_rdev)); in set_supply()
1712 rdev->supply = create_regulator(supply_rdev, &rdev->dev, "SUPPLY"); in set_supply()
1713 if (rdev->supply == NULL) { in set_supply()
1734 static int set_consumer_device_supply(struct regulator_dev *rdev, in set_consumer_device_supply() argument
1753 new_node->regulator = rdev; in set_consumer_device_supply()
1781 dev_name(&rdev->dev), rdev_get_name(rdev)); in set_consumer_device_supply()
1797 static void unset_regulator_supplies(struct regulator_dev *rdev) in unset_regulator_supplies() argument
1802 if (rdev == node->regulator) { in unset_regulator_supplies()
1816 const struct regulation_constraints *c = regulator->rdev->constraints; in constraint_flags_read_file()
1861 static struct regulator *create_regulator(struct regulator_dev *rdev, in create_regulator() argument
1868 lockdep_assert_held_once(&rdev->mutex.base); in create_regulator()
1894 regulator->rdev = rdev; in create_regulator()
1897 list_add(®ulator->list, &rdev->consumer_list); in create_regulator()
1903 err = sysfs_create_link_nowarn(&rdev->dev.kobj, &dev->kobj, in create_regulator()
1906 rdev_dbg(rdev, "could not add device link %s: %pe\n", in create_regulator()
1913 regulator->debugfs = debugfs_create_dir(supply_name, rdev->debugfs); in create_regulator()
1915 rdev_dbg(rdev, "Failed to create debugfs directory\n"); in create_regulator()
1936 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_STATUS) && in create_regulator()
1937 _regulator_is_enabled(rdev)) in create_regulator()
1943 static int _regulator_get_enable_time(struct regulator_dev *rdev) in _regulator_get_enable_time() argument
1945 if (rdev->constraints && rdev->constraints->enable_time) in _regulator_get_enable_time()
1946 return rdev->constraints->enable_time; in _regulator_get_enable_time()
1947 if (rdev->desc->ops->enable_time) in _regulator_get_enable_time()
1948 return rdev->desc->ops->enable_time(rdev); in _regulator_get_enable_time()
1949 return rdev->desc->enable_time; in _regulator_get_enable_time()
2062 static int regulator_resolve_supply(struct regulator_dev *rdev) in regulator_resolve_supply() argument
2065 struct device *dev = rdev->dev.parent; in regulator_resolve_supply()
2070 if (!rdev->supply_name) in regulator_resolve_supply()
2074 if (rdev->supply) in regulator_resolve_supply()
2077 r = regulator_dev_lookup(dev, rdev->supply_name); in regulator_resolve_supply()
2090 rdev->supply_name, rdev->desc->name); in regulator_resolve_supply()
2096 if (r == rdev) { in regulator_resolve_supply()
2098 rdev->desc->name, rdev->supply_name); in regulator_resolve_supply()
2113 if (r->dev.parent && r->dev.parent != rdev->dev.parent) { in regulator_resolve_supply()
2133 regulator_lock_two(rdev, r, &ww_ctx); in regulator_resolve_supply()
2136 if (rdev->supply) { in regulator_resolve_supply()
2137 regulator_unlock_two(rdev, r, &ww_ctx); in regulator_resolve_supply()
2142 ret = set_supply(rdev, r); in regulator_resolve_supply()
2144 regulator_unlock_two(rdev, r, &ww_ctx); in regulator_resolve_supply()
2149 regulator_unlock_two(rdev, r, &ww_ctx); in regulator_resolve_supply()
2156 if (rdev->use_count) { in regulator_resolve_supply()
2157 ret = regulator_enable(rdev->supply); in regulator_resolve_supply()
2159 _regulator_put(rdev->supply); in regulator_resolve_supply()
2160 rdev->supply = NULL; in regulator_resolve_supply()
2173 struct regulator_dev *rdev; in _regulator_get() local
2188 rdev = regulator_dev_lookup(dev, id); in _regulator_get()
2189 if (IS_ERR(rdev)) { in _regulator_get()
2190 ret = PTR_ERR(rdev); in _regulator_get()
2213 rdev = dummy_regulator_rdev; in _regulator_get()
2214 get_device(&rdev->dev); in _regulator_get()
2227 if (rdev->exclusive) { in _regulator_get()
2229 put_device(&rdev->dev); in _regulator_get()
2233 if (get_type == EXCLUSIVE_GET && rdev->open_count) { in _regulator_get()
2235 put_device(&rdev->dev); in _regulator_get()
2240 ret = (rdev->coupling_desc.n_resolved != rdev->coupling_desc.n_coupled); in _regulator_get()
2245 put_device(&rdev->dev); in _regulator_get()
2249 ret = regulator_resolve_supply(rdev); in _regulator_get()
2252 put_device(&rdev->dev); in _regulator_get()
2256 if (!try_module_get(rdev->owner)) { in _regulator_get()
2258 put_device(&rdev->dev); in _regulator_get()
2262 regulator_lock(rdev); in _regulator_get()
2263 regulator = create_regulator(rdev, dev, id); in _regulator_get()
2264 regulator_unlock(rdev); in _regulator_get()
2267 module_put(rdev->owner); in _regulator_get()
2268 put_device(&rdev->dev); in _regulator_get()
2272 rdev->open_count++; in _regulator_get()
2274 rdev->exclusive = 1; in _regulator_get()
2276 ret = _regulator_is_enabled(rdev); in _regulator_get()
2278 rdev->use_count = 1; in _regulator_get()
2281 rdev->use_count = 0; in _regulator_get()
2286 link = device_link_add(dev, &rdev->dev, DL_FLAG_STATELESS); in _regulator_get()
2367 struct regulator_dev *rdev = regulator->rdev; in destroy_regulator() local
2373 device_link_remove(regulator->dev, &rdev->dev); in destroy_regulator()
2376 sysfs_remove_link(&rdev->dev.kobj, regulator->supply_name); in destroy_regulator()
2379 regulator_lock(rdev); in destroy_regulator()
2382 rdev->open_count--; in destroy_regulator()
2383 rdev->exclusive = 0; in destroy_regulator()
2384 regulator_unlock(rdev); in destroy_regulator()
2393 struct regulator_dev *rdev; in _regulator_put() local
2403 rdev = regulator->rdev; in _regulator_put()
2407 module_put(rdev->owner); in _regulator_put()
2408 put_device(&rdev->dev); in _regulator_put()
2557 static int regulator_ena_gpio_request(struct regulator_dev *rdev, in regulator_ena_gpio_request() argument
2570 rdev_dbg(rdev, "GPIO is already used\n"); in regulator_ena_gpio_request()
2588 rdev->ena_pin = pin; in regulator_ena_gpio_request()
2596 static void regulator_ena_gpio_free(struct regulator_dev *rdev) in regulator_ena_gpio_free() argument
2600 if (!rdev->ena_pin) in regulator_ena_gpio_free()
2605 if (pin != rdev->ena_pin) in regulator_ena_gpio_free()
2617 rdev->ena_pin = NULL; in regulator_ena_gpio_free()
2628 static int regulator_ena_gpio_ctrl(struct regulator_dev *rdev, bool enable) in regulator_ena_gpio_ctrl() argument
2630 struct regulator_enable_gpio *pin = rdev->ena_pin; in regulator_ena_gpio_ctrl()
2708 static inline int _regulator_check_status_enabled(struct regulator_dev *rdev) in _regulator_check_status_enabled() argument
2710 int ret = rdev->desc->ops->get_status(rdev); in _regulator_check_status_enabled()
2713 rdev_info(rdev, "get_status returned error: %d\n", ret); in _regulator_check_status_enabled()
2727 static int _regulator_do_enable(struct regulator_dev *rdev) in _regulator_do_enable() argument
2732 ret = _regulator_get_enable_time(rdev); in _regulator_do_enable()
2736 rdev_warn(rdev, "enable_time() failed: %pe\n", ERR_PTR(ret)); in _regulator_do_enable()
2740 trace_regulator_enable(rdev_get_name(rdev)); in _regulator_do_enable()
2742 if (rdev->desc->off_on_delay) { in _regulator_do_enable()
2746 ktime_t end = ktime_add_us(rdev->last_off, rdev->desc->off_on_delay); in _regulator_do_enable()
2753 if (rdev->ena_pin) { in _regulator_do_enable()
2754 if (!rdev->ena_gpio_state) { in _regulator_do_enable()
2755 ret = regulator_ena_gpio_ctrl(rdev, true); in _regulator_do_enable()
2758 rdev->ena_gpio_state = 1; in _regulator_do_enable()
2760 } else if (rdev->desc->ops->enable) { in _regulator_do_enable()
2761 ret = rdev->desc->ops->enable(rdev); in _regulator_do_enable()
2772 trace_regulator_enable_delay(rdev_get_name(rdev)); in _regulator_do_enable()
2780 if (rdev->desc->poll_enabled_time) { in _regulator_do_enable()
2784 _regulator_delay_helper(rdev->desc->poll_enabled_time); in _regulator_do_enable()
2786 if (rdev->desc->ops->get_status) { in _regulator_do_enable()
2787 ret = _regulator_check_status_enabled(rdev); in _regulator_do_enable()
2792 } else if (rdev->desc->ops->is_enabled(rdev)) in _regulator_do_enable()
2795 time_remaining -= rdev->desc->poll_enabled_time; in _regulator_do_enable()
2799 rdev_err(rdev, "Enabled check timed out\n"); in _regulator_do_enable()
2806 trace_regulator_enable_complete(rdev_get_name(rdev)); in _regulator_do_enable()
2834 struct regulator_dev *rdev = regulator->rdev; in _regulator_handle_consumer_enable() local
2836 lockdep_assert_held_once(&rdev->mutex.base); in _regulator_handle_consumer_enable()
2840 ret = drms_uA_update(rdev); in _regulator_handle_consumer_enable()
2859 struct regulator_dev *rdev = regulator->rdev; in _regulator_handle_consumer_disable() local
2861 lockdep_assert_held_once(&rdev->mutex.base); in _regulator_handle_consumer_disable()
2864 rdev_err(rdev, "Underflow of regulator enable count\n"); in _regulator_handle_consumer_disable()
2870 return drms_uA_update(rdev); in _regulator_handle_consumer_disable()
2878 struct regulator_dev *rdev = regulator->rdev; in _regulator_enable() local
2881 lockdep_assert_held_once(&rdev->mutex.base); in _regulator_enable()
2883 if (rdev->use_count == 0 && rdev->supply) { in _regulator_enable()
2884 ret = _regulator_enable(rdev->supply); in _regulator_enable()
2890 if (rdev->coupling_desc.n_coupled > 1) { in _regulator_enable()
2891 ret = regulator_balance_voltage(rdev, PM_SUSPEND_ON); in _regulator_enable()
2900 if (rdev->use_count == 0) { in _regulator_enable()
2905 ret = _regulator_is_enabled(rdev); in _regulator_enable()
2907 if (!regulator_ops_is_valid(rdev, in _regulator_enable()
2913 ret = _regulator_do_enable(rdev); in _regulator_enable()
2917 _notifier_call_chain(rdev, REGULATOR_EVENT_ENABLE, in _regulator_enable()
2920 rdev_err(rdev, "is_enabled() failed: %pe\n", ERR_PTR(ret)); in _regulator_enable()
2927 rdev->use_count++; in _regulator_enable()
2935 if (rdev->use_count == 0 && rdev->supply) in _regulator_enable()
2936 _regulator_disable(rdev->supply); in _regulator_enable()
2954 struct regulator_dev *rdev = regulator->rdev; in regulator_enable() local
2958 regulator_lock_dependent(rdev, &ww_ctx); in regulator_enable()
2960 regulator_unlock_dependent(rdev, &ww_ctx); in regulator_enable()
2966 static int _regulator_do_disable(struct regulator_dev *rdev) in _regulator_do_disable() argument
2970 trace_regulator_disable(rdev_get_name(rdev)); in _regulator_do_disable()
2972 if (rdev->ena_pin) { in _regulator_do_disable()
2973 if (rdev->ena_gpio_state) { in _regulator_do_disable()
2974 ret = regulator_ena_gpio_ctrl(rdev, false); in _regulator_do_disable()
2977 rdev->ena_gpio_state = 0; in _regulator_do_disable()
2980 } else if (rdev->desc->ops->disable) { in _regulator_do_disable()
2981 ret = rdev->desc->ops->disable(rdev); in _regulator_do_disable()
2986 if (rdev->desc->off_on_delay) in _regulator_do_disable()
2987 rdev->last_off = ktime_get_boottime(); in _regulator_do_disable()
2989 trace_regulator_disable_complete(rdev_get_name(rdev)); in _regulator_do_disable()
2997 struct regulator_dev *rdev = regulator->rdev; in _regulator_disable() local
3000 lockdep_assert_held_once(&rdev->mutex.base); in _regulator_disable()
3003 "unbalanced disables for %s\n", rdev_get_name(rdev))) in _regulator_disable()
3009 if (rdev->use_count == 1 && in _regulator_disable()
3010 (rdev->constraints && !rdev->constraints->always_on)) { in _regulator_disable()
3013 if (regulator_ops_is_valid(rdev, REGULATOR_CHANGE_STATUS)) { in _regulator_disable()
3014 ret = _notifier_call_chain(rdev, in _regulator_disable()
3020 ret = _regulator_do_disable(rdev); in _regulator_disable()
3022 rdev_err(rdev, "failed to disable: %pe\n", ERR_PTR(ret)); in _regulator_disable()
3023 _notifier_call_chain(rdev, in _regulator_disable()
3028 _notifier_call_chain(rdev, REGULATOR_EVENT_DISABLE, in _regulator_disable()
3032 rdev->use_count = 0; in _regulator_disable()
3033 } else if (rdev->use_count > 1) { in _regulator_disable()
3034 rdev->use_count--; in _regulator_disable()
3041 if (ret == 0 && rdev->coupling_desc.n_coupled > 1) in _regulator_disable()
3042 ret = regulator_balance_voltage(rdev, PM_SUSPEND_ON); in _regulator_disable()
3044 if (ret == 0 && rdev->use_count == 0 && rdev->supply) in _regulator_disable()
3045 ret = _regulator_disable(rdev->supply); in _regulator_disable()
3064 struct regulator_dev *rdev = regulator->rdev; in regulator_disable() local
3068 regulator_lock_dependent(rdev, &ww_ctx); in regulator_disable()
3070 regulator_unlock_dependent(rdev, &ww_ctx); in regulator_disable()
3077 static int _regulator_force_disable(struct regulator_dev *rdev) in _regulator_force_disable() argument
3081 lockdep_assert_held_once(&rdev->mutex.base); in _regulator_force_disable()
3083 ret = _notifier_call_chain(rdev, REGULATOR_EVENT_FORCE_DISABLE | in _regulator_force_disable()
3088 ret = _regulator_do_disable(rdev); in _regulator_force_disable()
3090 rdev_err(rdev, "failed to force disable: %pe\n", ERR_PTR(ret)); in _regulator_force_disable()
3091 _notifier_call_chain(rdev, REGULATOR_EVENT_FORCE_DISABLE | in _regulator_force_disable()
3096 _notifier_call_chain(rdev, REGULATOR_EVENT_FORCE_DISABLE | in _regulator_force_disable()
3113 struct regulator_dev *rdev = regulator->rdev; in regulator_force_disable() local
3117 regulator_lock_dependent(rdev, &ww_ctx); in regulator_force_disable()
3119 ret = _regulator_force_disable(regulator->rdev); in regulator_force_disable()
3121 if (rdev->coupling_desc.n_coupled > 1) in regulator_force_disable()
3122 regulator_balance_voltage(rdev, PM_SUSPEND_ON); in regulator_force_disable()
3126 ret = drms_uA_update(rdev); in regulator_force_disable()
3129 if (rdev->use_count != 0 && rdev->supply) in regulator_force_disable()
3130 _regulator_disable(rdev->supply); in regulator_force_disable()
3132 regulator_unlock_dependent(rdev, &ww_ctx); in regulator_force_disable()
3140 struct regulator_dev *rdev = container_of(work, struct regulator_dev, in regulator_disable_work() local
3147 regulator_lock_dependent(rdev, &ww_ctx); in regulator_disable_work()
3155 cancel_delayed_work(&rdev->disable_work); in regulator_disable_work()
3157 list_for_each_entry(regulator, &rdev->consumer_list, list) { in regulator_disable_work()
3169 rdev_err(rdev, "Deferred disable failed: %pe\n", in regulator_disable_work()
3175 if (rdev->coupling_desc.n_coupled > 1) in regulator_disable_work()
3176 regulator_balance_voltage(rdev, PM_SUSPEND_ON); in regulator_disable_work()
3178 regulator_unlock_dependent(rdev, &ww_ctx); in regulator_disable_work()
3195 struct regulator_dev *rdev = regulator->rdev; in regulator_disable_deferred() local
3200 regulator_lock(rdev); in regulator_disable_deferred()
3202 mod_delayed_work(system_power_efficient_wq, &rdev->disable_work, in regulator_disable_deferred()
3204 regulator_unlock(rdev); in regulator_disable_deferred()
3210 static int _regulator_is_enabled(struct regulator_dev *rdev) in _regulator_is_enabled() argument
3213 if (rdev->ena_pin) in _regulator_is_enabled()
3214 return rdev->ena_gpio_state; in _regulator_is_enabled()
3217 if (!rdev->desc->ops->is_enabled) in _regulator_is_enabled()
3220 return rdev->desc->ops->is_enabled(rdev); in _regulator_is_enabled()
3223 static int _regulator_list_voltage(struct regulator_dev *rdev, in _regulator_list_voltage() argument
3226 const struct regulator_ops *ops = rdev->desc->ops; in _regulator_list_voltage()
3229 if (rdev->desc->fixed_uV && rdev->desc->n_voltages == 1 && !selector) in _regulator_list_voltage()
3230 return rdev->desc->fixed_uV; in _regulator_list_voltage()
3233 if (selector >= rdev->desc->n_voltages) in _regulator_list_voltage()
3235 if (selector < rdev->desc->linear_min_sel) in _regulator_list_voltage()
3238 regulator_lock(rdev); in _regulator_list_voltage()
3239 ret = ops->list_voltage(rdev, selector); in _regulator_list_voltage()
3241 regulator_unlock(rdev); in _regulator_list_voltage()
3242 } else if (rdev->is_switch && rdev->supply) { in _regulator_list_voltage()
3243 ret = _regulator_list_voltage(rdev->supply->rdev, in _regulator_list_voltage()
3250 if (ret < rdev->constraints->min_uV) in _regulator_list_voltage()
3252 else if (ret > rdev->constraints->max_uV) in _regulator_list_voltage()
3278 regulator_lock(regulator->rdev); in regulator_is_enabled()
3279 ret = _regulator_is_enabled(regulator->rdev); in regulator_is_enabled()
3280 regulator_unlock(regulator->rdev); in regulator_is_enabled()
3296 struct regulator_dev *rdev = regulator->rdev; in regulator_count_voltages() local
3298 if (rdev->desc->n_voltages) in regulator_count_voltages()
3299 return rdev->desc->n_voltages; in regulator_count_voltages()
3301 if (!rdev->is_switch || !rdev->supply) in regulator_count_voltages()
3304 return regulator_count_voltages(rdev->supply); in regulator_count_voltages()
3320 return _regulator_list_voltage(regulator->rdev, selector, 1); in regulator_list_voltage()
3333 struct regmap *map = regulator->rdev->regmap; in regulator_get_regmap()
3357 struct regulator_dev *rdev = regulator->rdev; in regulator_get_hardware_vsel_register() local
3358 const struct regulator_ops *ops = rdev->desc->ops; in regulator_get_hardware_vsel_register()
3363 *vsel_reg = rdev->desc->vsel_reg; in regulator_get_hardware_vsel_register()
3364 *vsel_mask = rdev->desc->vsel_mask; in regulator_get_hardware_vsel_register()
3384 struct regulator_dev *rdev = regulator->rdev; in regulator_list_hardware_vsel() local
3385 const struct regulator_ops *ops = rdev->desc->ops; in regulator_list_hardware_vsel()
3387 if (selector >= rdev->desc->n_voltages) in regulator_list_hardware_vsel()
3389 if (selector < rdev->desc->linear_min_sel) in regulator_list_hardware_vsel()
3407 struct regulator_dev *rdev = regulator->rdev; in regulator_get_linear_step() local
3409 return rdev->desc->uV_step; in regulator_get_linear_step()
3425 struct regulator_dev *rdev = regulator->rdev; in regulator_is_supported_voltage() local
3429 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_VOLTAGE)) { in regulator_is_supported_voltage()
3438 if (rdev->desc->continuous_voltage_range) in regulator_is_supported_voltage()
3439 return min_uV >= rdev->constraints->min_uV && in regulator_is_supported_voltage()
3440 max_uV <= rdev->constraints->max_uV; in regulator_is_supported_voltage()
3458 static int regulator_map_voltage(struct regulator_dev *rdev, int min_uV, in regulator_map_voltage() argument
3461 const struct regulator_desc *desc = rdev->desc; in regulator_map_voltage()
3464 return desc->ops->map_voltage(rdev, min_uV, max_uV); in regulator_map_voltage()
3467 return regulator_map_voltage_linear(rdev, min_uV, max_uV); in regulator_map_voltage()
3470 return regulator_map_voltage_linear_range(rdev, min_uV, max_uV); in regulator_map_voltage()
3474 return regulator_map_voltage_pickable_linear_range(rdev, in regulator_map_voltage()
3477 return regulator_map_voltage_iterate(rdev, min_uV, max_uV); in regulator_map_voltage()
3480 static int _regulator_call_set_voltage(struct regulator_dev *rdev, in _regulator_call_set_voltage() argument
3487 data.old_uV = regulator_get_voltage_rdev(rdev); in _regulator_call_set_voltage()
3490 ret = _notifier_call_chain(rdev, REGULATOR_EVENT_PRE_VOLTAGE_CHANGE, in _regulator_call_set_voltage()
3495 ret = rdev->desc->ops->set_voltage(rdev, min_uV, max_uV, selector); in _regulator_call_set_voltage()
3499 _notifier_call_chain(rdev, REGULATOR_EVENT_ABORT_VOLTAGE_CHANGE, in _regulator_call_set_voltage()
3505 static int _regulator_call_set_voltage_sel(struct regulator_dev *rdev, in _regulator_call_set_voltage_sel() argument
3511 data.old_uV = regulator_get_voltage_rdev(rdev); in _regulator_call_set_voltage_sel()
3514 ret = _notifier_call_chain(rdev, REGULATOR_EVENT_PRE_VOLTAGE_CHANGE, in _regulator_call_set_voltage_sel()
3519 ret = rdev->desc->ops->set_voltage_sel(rdev, selector); in _regulator_call_set_voltage_sel()
3523 _notifier_call_chain(rdev, REGULATOR_EVENT_ABORT_VOLTAGE_CHANGE, in _regulator_call_set_voltage_sel()
3529 static int _regulator_set_voltage_sel_step(struct regulator_dev *rdev, in _regulator_set_voltage_sel_step() argument
3532 const struct regulator_ops *ops = rdev->desc->ops; in _regulator_set_voltage_sel_step()
3536 if (!_regulator_is_enabled(rdev)) in _regulator_set_voltage_sel_step()
3542 old_sel = ops->get_voltage_sel(rdev); in _regulator_set_voltage_sel_step()
3552 for (curr_sel = old_sel + rdev->desc->vsel_step; in _regulator_set_voltage_sel_step()
3554 curr_sel += rdev->desc->vsel_step) { in _regulator_set_voltage_sel_step()
3561 ret = ops->set_voltage_sel(rdev, curr_sel); in _regulator_set_voltage_sel_step()
3567 for (curr_sel = old_sel - rdev->desc->vsel_step; in _regulator_set_voltage_sel_step()
3569 curr_sel -= rdev->desc->vsel_step) { in _regulator_set_voltage_sel_step()
3570 ret = ops->set_voltage_sel(rdev, curr_sel); in _regulator_set_voltage_sel_step()
3578 return _regulator_call_set_voltage_sel(rdev, uV, new_selector); in _regulator_set_voltage_sel_step()
3585 (void)ops->set_voltage_sel(rdev, old_sel); in _regulator_set_voltage_sel_step()
3589 static int _regulator_set_voltage_time(struct regulator_dev *rdev, in _regulator_set_voltage_time() argument
3594 if (rdev->constraints->ramp_delay) in _regulator_set_voltage_time()
3595 ramp_delay = rdev->constraints->ramp_delay; in _regulator_set_voltage_time()
3596 else if (rdev->desc->ramp_delay) in _regulator_set_voltage_time()
3597 ramp_delay = rdev->desc->ramp_delay; in _regulator_set_voltage_time()
3598 else if (rdev->constraints->settling_time) in _regulator_set_voltage_time()
3599 return rdev->constraints->settling_time; in _regulator_set_voltage_time()
3600 else if (rdev->constraints->settling_time_up && in _regulator_set_voltage_time()
3602 return rdev->constraints->settling_time_up; in _regulator_set_voltage_time()
3603 else if (rdev->constraints->settling_time_down && in _regulator_set_voltage_time()
3605 return rdev->constraints->settling_time_down; in _regulator_set_voltage_time()
3613 static int _regulator_do_set_voltage(struct regulator_dev *rdev, in _regulator_do_set_voltage() argument
3621 const struct regulator_ops *ops = rdev->desc->ops; in _regulator_do_set_voltage()
3622 int old_uV = regulator_get_voltage_rdev(rdev); in _regulator_do_set_voltage()
3624 trace_regulator_set_voltage(rdev_get_name(rdev), min_uV, max_uV); in _regulator_do_set_voltage()
3626 min_uV += rdev->constraints->uV_offset; in _regulator_do_set_voltage()
3627 max_uV += rdev->constraints->uV_offset; in _regulator_do_set_voltage()
3633 if (_regulator_is_enabled(rdev) && in _regulator_do_set_voltage()
3635 old_selector = ops->get_voltage_sel(rdev); in _regulator_do_set_voltage()
3641 ret = _regulator_call_set_voltage(rdev, min_uV, max_uV, in _regulator_do_set_voltage()
3646 best_val = ops->list_voltage(rdev, in _regulator_do_set_voltage()
3649 best_val = regulator_get_voltage_rdev(rdev); in _regulator_do_set_voltage()
3653 ret = regulator_map_voltage(rdev, min_uV, max_uV); in _regulator_do_set_voltage()
3655 best_val = ops->list_voltage(rdev, ret); in _regulator_do_set_voltage()
3660 else if (rdev->desc->vsel_step) in _regulator_do_set_voltage()
3662 rdev, best_val, selector); in _regulator_do_set_voltage()
3665 rdev, best_val, selector); in _regulator_do_set_voltage()
3683 delay = ops->set_voltage_time_sel(rdev, old_selector, in _regulator_do_set_voltage()
3688 delay = ops->set_voltage_time(rdev, old_uV, in _regulator_do_set_voltage()
3691 delay = _regulator_set_voltage_time(rdev, in _regulator_do_set_voltage()
3698 rdev_warn(rdev, "failed to get delay: %pe\n", ERR_PTR(delay)); in _regulator_do_set_voltage()
3708 _notifier_call_chain(rdev, REGULATOR_EVENT_VOLTAGE_CHANGE, in _regulator_do_set_voltage()
3713 trace_regulator_set_voltage_complete(rdev_get_name(rdev), best_val); in _regulator_do_set_voltage()
3718 static int _regulator_do_set_suspend_voltage(struct regulator_dev *rdev, in _regulator_do_set_suspend_voltage() argument
3724 rstate = regulator_get_suspend_state(rdev, state); in _regulator_do_set_suspend_voltage()
3733 sel = regulator_map_voltage(rdev, min_uV, max_uV); in _regulator_do_set_suspend_voltage()
3737 uV = rdev->desc->ops->list_voltage(rdev, sel); in _regulator_do_set_suspend_voltage()
3748 struct regulator_dev *rdev = regulator->rdev; in regulator_set_voltage_unlocked() local
3765 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_VOLTAGE)) { in regulator_set_voltage_unlocked()
3766 current_uV = regulator_get_voltage_rdev(rdev); in regulator_set_voltage_unlocked()
3775 if (!rdev->desc->ops->set_voltage && in regulator_set_voltage_unlocked()
3776 !rdev->desc->ops->set_voltage_sel) { in regulator_set_voltage_unlocked()
3782 ret = regulator_check_voltage(rdev, &min_uV, &max_uV); in regulator_set_voltage_unlocked()
3793 ret = regulator_balance_voltage(rdev, state); in regulator_set_voltage_unlocked()
3803 int regulator_set_voltage_rdev(struct regulator_dev *rdev, int min_uV, in regulator_set_voltage_rdev() argument
3810 if (rdev->supply && in regulator_set_voltage_rdev()
3811 regulator_ops_is_valid(rdev->supply->rdev, in regulator_set_voltage_rdev()
3813 (rdev->desc->min_dropout_uV || !(rdev->desc->ops->get_voltage || in regulator_set_voltage_rdev()
3814 rdev->desc->ops->get_voltage_sel))) { in regulator_set_voltage_rdev()
3818 selector = regulator_map_voltage(rdev, min_uV, max_uV); in regulator_set_voltage_rdev()
3824 best_supply_uV = _regulator_list_voltage(rdev, selector, 0); in regulator_set_voltage_rdev()
3830 best_supply_uV += rdev->desc->min_dropout_uV; in regulator_set_voltage_rdev()
3832 current_supply_uV = regulator_get_voltage_rdev(rdev->supply->rdev); in regulator_set_voltage_rdev()
3842 ret = regulator_set_voltage_unlocked(rdev->supply, in regulator_set_voltage_rdev()
3845 dev_err(&rdev->dev, "Failed to increase supply voltage: %pe\n", in regulator_set_voltage_rdev()
3852 ret = _regulator_do_set_voltage(rdev, min_uV, max_uV); in regulator_set_voltage_rdev()
3854 ret = _regulator_do_set_suspend_voltage(rdev, min_uV, in regulator_set_voltage_rdev()
3860 ret = regulator_set_voltage_unlocked(rdev->supply, in regulator_set_voltage_rdev()
3863 dev_warn(&rdev->dev, "Failed to decrease supply voltage: %pe\n", in regulator_set_voltage_rdev()
3874 static int regulator_limit_voltage_step(struct regulator_dev *rdev, in regulator_limit_voltage_step() argument
3877 struct regulation_constraints *constraints = rdev->constraints; in regulator_limit_voltage_step()
3880 if (!constraints->max_uV_step || !_regulator_is_enabled(rdev)) in regulator_limit_voltage_step()
3884 *current_uV = regulator_get_voltage_rdev(rdev); in regulator_limit_voltage_step()
3904 static int regulator_get_optimal_voltage(struct regulator_dev *rdev, in regulator_get_optimal_voltage() argument
3910 struct coupling_desc *c_desc = &rdev->coupling_desc; in regulator_get_optimal_voltage()
3912 struct regulation_constraints *constraints = rdev->constraints; in regulator_get_optimal_voltage()
3933 ret = regulator_check_consumers(rdev, in regulator_get_optimal_voltage()
4018 ret = regulator_limit_voltage_step(rdev, current_uV, in regulator_get_optimal_voltage()
4030 if (_regulator_is_enabled(rdev)) { in regulator_get_optimal_voltage()
4031 ret = regulator_get_voltage_rdev(rdev); in regulator_get_optimal_voltage()
4047 int regulator_do_balance_voltage(struct regulator_dev *rdev, in regulator_do_balance_voltage() argument
4052 struct coupling_desc *c_desc = &rdev->coupling_desc; in regulator_do_balance_voltage()
4130 static int regulator_balance_voltage(struct regulator_dev *rdev, in regulator_balance_voltage() argument
4133 struct coupling_desc *c_desc = &rdev->coupling_desc; in regulator_balance_voltage()
4145 rdev_err(rdev, "Not all coupled regulators registered\n"); in regulator_balance_voltage()
4151 return coupler->balance_voltage(coupler, rdev, state); in regulator_balance_voltage()
4153 return regulator_do_balance_voltage(rdev, state, skip_coupled); in regulator_balance_voltage()
4179 regulator_lock_dependent(regulator->rdev, &ww_ctx); in regulator_set_voltage()
4184 regulator_unlock_dependent(regulator->rdev, &ww_ctx); in regulator_set_voltage()
4190 static inline int regulator_suspend_toggle(struct regulator_dev *rdev, in regulator_suspend_toggle() argument
4195 rstate = regulator_get_suspend_state(rdev, state); in regulator_suspend_toggle()
4207 int regulator_suspend_enable(struct regulator_dev *rdev, in regulator_suspend_enable() argument
4210 return regulator_suspend_toggle(rdev, state, true); in regulator_suspend_enable()
4214 int regulator_suspend_disable(struct regulator_dev *rdev, in regulator_suspend_disable() argument
4224 list_for_each_entry(regulator, &rdev->consumer_list, list) { in regulator_suspend_disable()
4230 return regulator_suspend_toggle(rdev, state, false); in regulator_suspend_disable()
4238 struct regulator_dev *rdev = regulator->rdev; in _regulator_set_suspend_voltage() local
4241 rstate = regulator_get_suspend_state(rdev, state); in _regulator_set_suspend_voltage()
4246 rdev_err(rdev, "The suspend voltage can't be changed!\n"); in _regulator_set_suspend_voltage()
4263 regulator_lock_dependent(regulator->rdev, &ww_ctx); in regulator_set_suspend_voltage()
4268 regulator_unlock_dependent(regulator->rdev, &ww_ctx); in regulator_set_suspend_voltage()
4287 struct regulator_dev *rdev = regulator->rdev; in regulator_set_voltage_time() local
4288 const struct regulator_ops *ops = rdev->desc->ops; in regulator_set_voltage_time()
4295 return ops->set_voltage_time(rdev, old_uV, new_uV); in regulator_set_voltage_time()
4297 return _regulator_set_voltage_time(rdev, old_uV, new_uV); in regulator_set_voltage_time()
4300 if (!ops->list_voltage || !rdev->desc->n_voltages) in regulator_set_voltage_time()
4303 for (i = 0; i < rdev->desc->n_voltages; i++) { in regulator_set_voltage_time()
4305 if (i < rdev->desc->linear_min_sel) in regulator_set_voltage_time()
4325 return ops->set_voltage_time_sel(rdev, old_sel, new_sel); in regulator_set_voltage_time()
4341 int regulator_set_voltage_time_sel(struct regulator_dev *rdev, in regulator_set_voltage_time_sel() argument
4348 if (!rdev->desc->ops->list_voltage) in regulator_set_voltage_time_sel()
4351 old_volt = rdev->desc->ops->list_voltage(rdev, old_selector); in regulator_set_voltage_time_sel()
4352 new_volt = rdev->desc->ops->list_voltage(rdev, new_selector); in regulator_set_voltage_time_sel()
4354 if (rdev->desc->ops->set_voltage_time) in regulator_set_voltage_time_sel()
4355 return rdev->desc->ops->set_voltage_time(rdev, old_volt, in regulator_set_voltage_time_sel()
4358 return _regulator_set_voltage_time(rdev, old_volt, new_volt); in regulator_set_voltage_time_sel()
4362 int regulator_sync_voltage_rdev(struct regulator_dev *rdev) in regulator_sync_voltage_rdev() argument
4366 regulator_lock(rdev); in regulator_sync_voltage_rdev()
4368 if (!rdev->desc->ops->set_voltage && in regulator_sync_voltage_rdev()
4369 !rdev->desc->ops->set_voltage_sel) { in regulator_sync_voltage_rdev()
4375 if (rdev->coupling_desc.n_coupled > 1) in regulator_sync_voltage_rdev()
4376 ret = regulator_balance_voltage(rdev, PM_SUSPEND_ON); in regulator_sync_voltage_rdev()
4381 regulator_unlock(rdev); in regulator_sync_voltage_rdev()
4395 struct regulator_dev *rdev = regulator->rdev; in regulator_sync_voltage() local
4399 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_VOLTAGE)) in regulator_sync_voltage()
4402 regulator_lock(rdev); in regulator_sync_voltage()
4404 if (!rdev->desc->ops->set_voltage && in regulator_sync_voltage()
4405 !rdev->desc->ops->set_voltage_sel) { in regulator_sync_voltage()
4420 ret = regulator_check_voltage(rdev, &min_uV, &max_uV); in regulator_sync_voltage()
4424 ret = regulator_check_consumers(rdev, &min_uV, &max_uV, 0); in regulator_sync_voltage()
4429 if (rdev->coupling_desc.n_coupled > 1) in regulator_sync_voltage()
4430 ret = regulator_balance_voltage(rdev, PM_SUSPEND_ON); in regulator_sync_voltage()
4432 ret = _regulator_do_set_voltage(rdev, min_uV, max_uV); in regulator_sync_voltage()
4435 regulator_unlock(rdev); in regulator_sync_voltage()
4440 int regulator_get_voltage_rdev(struct regulator_dev *rdev) in regulator_get_voltage_rdev() argument
4445 if (rdev->desc->ops->get_bypass) { in regulator_get_voltage_rdev()
4446 ret = rdev->desc->ops->get_bypass(rdev, &bypassed); in regulator_get_voltage_rdev()
4451 if (!rdev->supply) { in regulator_get_voltage_rdev()
4452 rdev_err(rdev, in regulator_get_voltage_rdev()
4457 return regulator_get_voltage_rdev(rdev->supply->rdev); in regulator_get_voltage_rdev()
4461 if (rdev->desc->ops->get_voltage_sel) { in regulator_get_voltage_rdev()
4462 sel = rdev->desc->ops->get_voltage_sel(rdev); in regulator_get_voltage_rdev()
4465 ret = rdev->desc->ops->list_voltage(rdev, sel); in regulator_get_voltage_rdev()
4466 } else if (rdev->desc->ops->get_voltage) { in regulator_get_voltage_rdev()
4467 ret = rdev->desc->ops->get_voltage(rdev); in regulator_get_voltage_rdev()
4468 } else if (rdev->desc->ops->list_voltage) { in regulator_get_voltage_rdev()
4469 ret = rdev->desc->ops->list_voltage(rdev, 0); in regulator_get_voltage_rdev()
4470 } else if (rdev->desc->fixed_uV && (rdev->desc->n_voltages == 1)) { in regulator_get_voltage_rdev()
4471 ret = rdev->desc->fixed_uV; in regulator_get_voltage_rdev()
4472 } else if (rdev->supply) { in regulator_get_voltage_rdev()
4473 ret = regulator_get_voltage_rdev(rdev->supply->rdev); in regulator_get_voltage_rdev()
4474 } else if (rdev->supply_name) { in regulator_get_voltage_rdev()
4482 return ret - rdev->constraints->uV_offset; in regulator_get_voltage_rdev()
4500 regulator_lock_dependent(regulator->rdev, &ww_ctx); in regulator_get_voltage()
4501 ret = regulator_get_voltage_rdev(regulator->rdev); in regulator_get_voltage()
4502 regulator_unlock_dependent(regulator->rdev, &ww_ctx); in regulator_get_voltage()
4527 struct regulator_dev *rdev = regulator->rdev; in regulator_set_current_limit() local
4530 regulator_lock(rdev); in regulator_set_current_limit()
4533 if (!rdev->desc->ops->set_current_limit) { in regulator_set_current_limit()
4539 ret = regulator_check_current_limit(rdev, &min_uA, &max_uA); in regulator_set_current_limit()
4543 ret = rdev->desc->ops->set_current_limit(rdev, min_uA, max_uA); in regulator_set_current_limit()
4545 regulator_unlock(rdev); in regulator_set_current_limit()
4550 static int _regulator_get_current_limit_unlocked(struct regulator_dev *rdev) in _regulator_get_current_limit_unlocked() argument
4553 if (!rdev->desc->ops->get_current_limit) in _regulator_get_current_limit_unlocked()
4556 return rdev->desc->ops->get_current_limit(rdev); in _regulator_get_current_limit_unlocked()
4559 static int _regulator_get_current_limit(struct regulator_dev *rdev) in _regulator_get_current_limit() argument
4563 regulator_lock(rdev); in _regulator_get_current_limit()
4564 ret = _regulator_get_current_limit_unlocked(rdev); in _regulator_get_current_limit()
4565 regulator_unlock(rdev); in _regulator_get_current_limit()
4581 return _regulator_get_current_limit(regulator->rdev); in regulator_get_current_limit()
4598 struct regulator_dev *rdev = regulator->rdev; in regulator_set_mode() local
4602 regulator_lock(rdev); in regulator_set_mode()
4605 if (!rdev->desc->ops->set_mode) { in regulator_set_mode()
4611 if (rdev->desc->ops->get_mode) { in regulator_set_mode()
4612 regulator_curr_mode = rdev->desc->ops->get_mode(rdev); in regulator_set_mode()
4620 ret = regulator_mode_constrain(rdev, &mode); in regulator_set_mode()
4624 ret = rdev->desc->ops->set_mode(rdev, mode); in regulator_set_mode()
4626 regulator_unlock(rdev); in regulator_set_mode()
4631 static unsigned int _regulator_get_mode_unlocked(struct regulator_dev *rdev) in _regulator_get_mode_unlocked() argument
4634 if (!rdev->desc->ops->get_mode) in _regulator_get_mode_unlocked()
4637 return rdev->desc->ops->get_mode(rdev); in _regulator_get_mode_unlocked()
4640 static unsigned int _regulator_get_mode(struct regulator_dev *rdev) in _regulator_get_mode() argument
4644 regulator_lock(rdev); in _regulator_get_mode()
4645 ret = _regulator_get_mode_unlocked(rdev); in _regulator_get_mode()
4646 regulator_unlock(rdev); in _regulator_get_mode()
4659 return _regulator_get_mode(regulator->rdev); in regulator_get_mode()
4663 static int rdev_get_cached_err_flags(struct regulator_dev *rdev) in rdev_get_cached_err_flags() argument
4667 if (rdev->use_cached_err) { in rdev_get_cached_err_flags()
4668 spin_lock(&rdev->err_lock); in rdev_get_cached_err_flags()
4669 ret = rdev->cached_err; in rdev_get_cached_err_flags()
4670 spin_unlock(&rdev->err_lock); in rdev_get_cached_err_flags()
4675 static int _regulator_get_error_flags(struct regulator_dev *rdev, in _regulator_get_error_flags() argument
4680 regulator_lock(rdev); in _regulator_get_error_flags()
4682 cached_flags = rdev_get_cached_err_flags(rdev); in _regulator_get_error_flags()
4684 if (rdev->desc->ops->get_error_flags) in _regulator_get_error_flags()
4685 ret = rdev->desc->ops->get_error_flags(rdev, flags); in _regulator_get_error_flags()
4686 else if (!rdev->use_cached_err) in _regulator_get_error_flags()
4691 regulator_unlock(rdev); in _regulator_get_error_flags()
4706 return _regulator_get_error_flags(regulator->rdev, flags); in regulator_get_error_flags()
4746 struct regulator_dev *rdev = regulator->rdev; in regulator_set_load() local
4750 regulator_lock(rdev); in regulator_set_load()
4754 ret = drms_uA_update(rdev); in regulator_set_load()
4758 regulator_unlock(rdev); in regulator_set_load()
4777 struct regulator_dev *rdev = regulator->rdev; in regulator_allow_bypass() local
4778 const char *name = rdev_get_name(rdev); in regulator_allow_bypass()
4781 if (!rdev->desc->ops->set_bypass) in regulator_allow_bypass()
4784 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_BYPASS)) in regulator_allow_bypass()
4787 regulator_lock(rdev); in regulator_allow_bypass()
4790 rdev->bypass_count++; in regulator_allow_bypass()
4792 if (rdev->bypass_count == rdev->open_count) { in regulator_allow_bypass()
4795 ret = rdev->desc->ops->set_bypass(rdev, enable); in regulator_allow_bypass()
4797 rdev->bypass_count--; in regulator_allow_bypass()
4803 rdev->bypass_count--; in regulator_allow_bypass()
4805 if (rdev->bypass_count != rdev->open_count) { in regulator_allow_bypass()
4808 ret = rdev->desc->ops->set_bypass(rdev, enable); in regulator_allow_bypass()
4810 rdev->bypass_count++; in regulator_allow_bypass()
4819 regulator_unlock(rdev); in regulator_allow_bypass()
4835 return blocking_notifier_chain_register(®ulator->rdev->notifier, in regulator_register_notifier()
4850 return blocking_notifier_chain_unregister(®ulator->rdev->notifier, in regulator_unregister_notifier()
4858 static int _notifier_call_chain(struct regulator_dev *rdev, in _notifier_call_chain() argument
4862 return blocking_notifier_call_chain(&rdev->notifier, event, data); in _notifier_call_chain()
5083 int regulator_notifier_call_chain(struct regulator_dev *rdev, in regulator_notifier_call_chain() argument
5086 _notifier_call_chain(rdev, event, data); in regulator_notifier_call_chain()
5160 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_attr_is_visible() local
5161 const struct regulator_ops *ops = rdev->desc->ops; in regulator_attr_is_visible()
5172 if ((ops->get_voltage && ops->get_voltage(rdev) >= 0) || in regulator_attr_is_visible()
5173 (ops->get_voltage_sel && ops->get_voltage_sel(rdev) >= 0) || in regulator_attr_is_visible()
5174 (ops->list_voltage && ops->list_voltage(rdev, 0) >= 0) || in regulator_attr_is_visible()
5175 (rdev->desc->fixed_uV && rdev->desc->n_voltages == 1)) in regulator_attr_is_visible()
5187 return (rdev->ena_pin || ops->is_enabled) ? mode : 0; in regulator_attr_is_visible()
5245 struct regulator_dev *rdev = dev_get_drvdata(dev); in regulator_dev_release() local
5247 debugfs_remove_recursive(rdev->debugfs); in regulator_dev_release()
5248 kfree(rdev->constraints); in regulator_dev_release()
5249 of_node_put(rdev->dev.of_node); in regulator_dev_release()
5250 kfree(rdev); in regulator_dev_release()
5253 static void rdev_init_debugfs(struct regulator_dev *rdev) in rdev_init_debugfs() argument
5255 struct device *parent = rdev->dev.parent; in rdev_init_debugfs()
5256 const char *rname = rdev_get_name(rdev); in rdev_init_debugfs()
5260 if (parent && rname == rdev->desc->name) { in rdev_init_debugfs()
5266 rdev->debugfs = debugfs_create_dir(rname, debugfs_root); in rdev_init_debugfs()
5267 if (IS_ERR(rdev->debugfs)) in rdev_init_debugfs()
5268 rdev_dbg(rdev, "Failed to create debugfs directory\n"); in rdev_init_debugfs()
5270 debugfs_create_u32("use_count", 0444, rdev->debugfs, in rdev_init_debugfs()
5271 &rdev->use_count); in rdev_init_debugfs()
5272 debugfs_create_u32("open_count", 0444, rdev->debugfs, in rdev_init_debugfs()
5273 &rdev->open_count); in rdev_init_debugfs()
5274 debugfs_create_u32("bypass_count", 0444, rdev->debugfs, in rdev_init_debugfs()
5275 &rdev->bypass_count); in rdev_init_debugfs()
5280 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_register_resolve_supply() local
5282 if (regulator_resolve_supply(rdev)) in regulator_register_resolve_supply()
5283 rdev_dbg(rdev, "unable to resolve supply\n"); in regulator_register_resolve_supply()
5298 regulator_find_coupler(struct regulator_dev *rdev) in regulator_find_coupler() argument
5309 err = coupler->attach_regulator(coupler, rdev); in regulator_find_coupler()
5312 rdev->coupling_desc.n_coupled > 2) in regulator_find_coupler()
5331 coupler->detach_regulator(coupler, rdev); in regulator_find_coupler()
5333 rdev_err(rdev, in regulator_find_coupler()
5339 static void regulator_resolve_coupling(struct regulator_dev *rdev) in regulator_resolve_coupling() argument
5341 struct regulator_coupler *coupler = rdev->coupling_desc.coupler; in regulator_resolve_coupling()
5342 struct coupling_desc *c_desc = &rdev->coupling_desc; in regulator_resolve_coupling()
5352 c_rdev = of_parse_coupled_regulator(rdev, i - 1); in regulator_resolve_coupling()
5358 rdev_err(rdev, "coupler mismatch with %s\n", in regulator_resolve_coupling()
5370 static void regulator_remove_coupling(struct regulator_dev *rdev) in regulator_remove_coupling() argument
5372 struct regulator_coupler *coupler = rdev->coupling_desc.coupler; in regulator_remove_coupling()
5373 struct coupling_desc *__c_desc, *c_desc = &rdev->coupling_desc; in regulator_remove_coupling()
5395 if (__c_rdev == rdev) { in regulator_remove_coupling()
5409 err = coupler->detach_regulator(coupler, rdev); in regulator_remove_coupling()
5411 rdev_err(rdev, "failed to detach from coupler: %pe\n", in regulator_remove_coupling()
5415 kfree(rdev->coupling_desc.coupled_rdevs); in regulator_remove_coupling()
5416 rdev->coupling_desc.coupled_rdevs = NULL; in regulator_remove_coupling()
5419 static int regulator_init_coupling(struct regulator_dev *rdev) in regulator_init_coupling() argument
5427 n_phandles = of_get_n_coupled(rdev); in regulator_init_coupling()
5433 rdev->coupling_desc.coupled_rdevs = coupled; in regulator_init_coupling()
5439 rdev->coupling_desc.coupled_rdevs[0] = rdev; in regulator_init_coupling()
5440 rdev->coupling_desc.n_coupled = n_phandles + 1; in regulator_init_coupling()
5441 rdev->coupling_desc.n_resolved++; in regulator_init_coupling()
5447 if (!of_check_coupling_data(rdev)) in regulator_init_coupling()
5451 rdev->coupling_desc.coupler = regulator_find_coupler(rdev); in regulator_init_coupling()
5454 if (IS_ERR(rdev->coupling_desc.coupler)) { in regulator_init_coupling()
5455 err = PTR_ERR(rdev->coupling_desc.coupler); in regulator_init_coupling()
5456 rdev_err(rdev, "failed to get coupler: %pe\n", ERR_PTR(err)); in regulator_init_coupling()
5464 struct regulator_dev *rdev) in generic_coupler_attach() argument
5466 if (rdev->coupling_desc.n_coupled > 2) { in generic_coupler_attach()
5467 rdev_err(rdev, in generic_coupler_attach()
5472 if (!rdev->constraints->always_on) { in generic_coupler_attach()
5473 rdev_err(rdev, in generic_coupler_attach()
5503 struct regulator_dev *rdev; in regulator_register() local
5549 rdev = kzalloc(sizeof(struct regulator_dev), GFP_KERNEL); in regulator_register()
5550 if (rdev == NULL) { in regulator_register()
5554 device_initialize(&rdev->dev); in regulator_register()
5555 dev_set_drvdata(&rdev->dev, rdev); in regulator_register()
5556 rdev->dev.class = ®ulator_class; in regulator_register()
5557 spin_lock_init(&rdev->err_lock); in regulator_register()
5570 &rdev->dev.of_node); in regulator_register()
5594 rdev->dev.of_node = of_node_get(config->of_node); in regulator_register()
5597 ww_mutex_init(&rdev->mutex, ®ulator_ww_class); in regulator_register()
5598 rdev->reg_data = config->driver_data; in regulator_register()
5599 rdev->owner = regulator_desc->owner; in regulator_register()
5600 rdev->desc = regulator_desc; in regulator_register()
5602 rdev->regmap = config->regmap; in regulator_register()
5604 rdev->regmap = dev_get_regmap(dev, NULL); in regulator_register()
5606 rdev->regmap = dev_get_regmap(dev->parent, NULL); in regulator_register()
5607 INIT_LIST_HEAD(&rdev->consumer_list); in regulator_register()
5608 INIT_LIST_HEAD(&rdev->list); in regulator_register()
5609 BLOCKING_INIT_NOTIFIER_HEAD(&rdev->notifier); in regulator_register()
5610 INIT_DELAYED_WORK(&rdev->disable_work, regulator_disable_work); in regulator_register()
5613 rdev->supply_name = init_data->supply_regulator; in regulator_register()
5615 rdev->supply_name = regulator_desc->supply_name; in regulator_register()
5618 rdev->dev.parent = config->dev; in regulator_register()
5619 dev_set_name(&rdev->dev, "regulator.%lu", in regulator_register()
5624 rdev->constraints = kmemdup(&init_data->constraints, in regulator_register()
5625 sizeof(*rdev->constraints), in regulator_register()
5628 rdev->constraints = kzalloc(sizeof(*rdev->constraints), in regulator_register()
5630 if (!rdev->constraints) { in regulator_register()
5635 if ((rdev->supply_name && !rdev->supply) && in regulator_register()
5636 (rdev->constraints->always_on || in regulator_register()
5637 rdev->constraints->boot_on)) { in regulator_register()
5638 ret = regulator_resolve_supply(rdev); in regulator_register()
5640 rdev_dbg(rdev, "unable to resolve supply early: %pe\n", in regulator_register()
5648 ret = init_data->regulator_init(rdev->reg_data); in regulator_register()
5654 ret = regulator_ena_gpio_request(rdev, config); in regulator_register()
5656 rdev_err(rdev, "Failed to request enable GPIO: %pe\n", in regulator_register()
5665 ret = set_machine_constraints(rdev); in regulator_register()
5674 rdev_dbg(rdev, "will resolve supply early: %s\n", in regulator_register()
5675 rdev->supply_name); in regulator_register()
5676 ret = regulator_resolve_supply(rdev); in regulator_register()
5678 ret = set_machine_constraints(rdev); in regulator_register()
5680 rdev_dbg(rdev, "unable to resolve supply early: %pe\n", in regulator_register()
5686 ret = regulator_init_coupling(rdev); in regulator_register()
5693 ret = set_consumer_device_supply(rdev, in regulator_register()
5704 if (!rdev->desc->ops->get_voltage && in regulator_register()
5705 !rdev->desc->ops->list_voltage && in regulator_register()
5706 !rdev->desc->fixed_uV) in regulator_register()
5707 rdev->is_switch = true; in regulator_register()
5709 ret = device_add(&rdev->dev); in regulator_register()
5713 rdev_init_debugfs(rdev); in regulator_register()
5717 regulator_resolve_coupling(rdev); in regulator_register()
5724 return rdev; in regulator_register()
5728 unset_regulator_supplies(rdev); in regulator_register()
5729 regulator_remove_coupling(rdev); in regulator_register()
5732 regulator_put(rdev->supply); in regulator_register()
5733 kfree(rdev->coupling_desc.coupled_rdevs); in regulator_register()
5735 regulator_ena_gpio_free(rdev); in regulator_register()
5741 put_device(&rdev->dev); in regulator_register()
5755 void regulator_unregister(struct regulator_dev *rdev) in regulator_unregister() argument
5757 if (rdev == NULL) in regulator_unregister()
5760 if (rdev->supply) { in regulator_unregister()
5761 while (rdev->use_count--) in regulator_unregister()
5762 regulator_disable(rdev->supply); in regulator_unregister()
5763 regulator_put(rdev->supply); in regulator_unregister()
5766 flush_work(&rdev->disable_work.work); in regulator_unregister()
5770 WARN_ON(rdev->open_count); in regulator_unregister()
5771 regulator_remove_coupling(rdev); in regulator_unregister()
5772 unset_regulator_supplies(rdev); in regulator_unregister()
5773 list_del(&rdev->list); in regulator_unregister()
5774 regulator_ena_gpio_free(rdev); in regulator_unregister()
5775 device_unregister(&rdev->dev); in regulator_unregister()
5790 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_suspend() local
5795 rstate = regulator_get_suspend_state_check(rdev, state); in regulator_suspend()
5799 regulator_lock(rdev); in regulator_suspend()
5800 ret = __suspend_set_state(rdev, rstate); in regulator_suspend()
5801 regulator_unlock(rdev); in regulator_suspend()
5809 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_resume() local
5813 rstate = regulator_get_suspend_state(rdev, state); in regulator_resume()
5818 if (!rdev->desc->ops->resume) in regulator_resume()
5821 regulator_lock(rdev); in regulator_resume()
5825 ret = rdev->desc->ops->resume(rdev); in regulator_resume()
5827 regulator_unlock(rdev); in regulator_resume()
5877 void *rdev_get_drvdata(struct regulator_dev *rdev) in rdev_get_drvdata() argument
5879 return rdev->reg_data; in rdev_get_drvdata()
5892 return regulator->rdev->reg_data; in regulator_get_drvdata()
5903 regulator->rdev->reg_data = data; in regulator_set_drvdata()
5911 int rdev_get_id(struct regulator_dev *rdev) in rdev_get_id() argument
5913 return rdev->desc->id; in rdev_get_id()
5917 struct device *rdev_get_dev(struct regulator_dev *rdev) in rdev_get_dev() argument
5919 return &rdev->dev; in rdev_get_dev()
5923 struct regmap *rdev_get_regmap(struct regulator_dev *rdev) in rdev_get_regmap() argument
5925 return rdev->regmap; in rdev_get_regmap()
5957 struct regulator_dev *rdev,
5962 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_summary_show_children() local
5965 if (rdev->supply && rdev->supply->rdev == summary_data->parent) in regulator_summary_show_children()
5966 regulator_summary_show_subtree(summary_data->s, rdev, in regulator_summary_show_children()
5973 struct regulator_dev *rdev, in regulator_summary_show_subtree() argument
5981 if (!rdev) in regulator_summary_show_subtree()
5984 opmode = _regulator_get_mode_unlocked(rdev); in regulator_summary_show_subtree()
5987 30 - level * 3, rdev_get_name(rdev), in regulator_summary_show_subtree()
5988 rdev->use_count, rdev->open_count, rdev->bypass_count, in regulator_summary_show_subtree()
5991 seq_printf(s, "%5dmV ", regulator_get_voltage_rdev(rdev) / 1000); in regulator_summary_show_subtree()
5993 _regulator_get_current_limit_unlocked(rdev) / 1000); in regulator_summary_show_subtree()
5995 c = rdev->constraints; in regulator_summary_show_subtree()
5997 switch (rdev->desc->type) { in regulator_summary_show_subtree()
6011 list_for_each_entry(consumer, &rdev->consumer_list, list) { in regulator_summary_show_subtree()
6021 switch (rdev->desc->type) { in regulator_summary_show_subtree()
6040 summary_data.parent = rdev; in regulator_summary_show_subtree()
6054 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_summary_lock_one() local
6058 if (rdev != *lock_data->old_contended_rdev) { in regulator_summary_lock_one()
6059 ret = regulator_lock_nested(rdev, lock_data->ww_ctx); in regulator_summary_lock_one()
6062 *lock_data->new_contended_rdev = rdev; in regulator_summary_lock_one()
6074 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_summary_unlock_one() local
6078 if (rdev == *lock_data->new_contended_rdev) in regulator_summary_unlock_one()
6082 regulator_unlock(rdev); in regulator_summary_unlock_one()
6148 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_summary_show_roots() local
6151 if (!rdev->supply) in regulator_summary_show_roots()
6152 regulator_summary_show_subtree(s, rdev, 0); in regulator_summary_show_roots()
6205 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_late_cleanup() local
6206 struct regulation_constraints *c = rdev->constraints; in regulator_late_cleanup()
6212 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_STATUS)) in regulator_late_cleanup()
6215 regulator_lock(rdev); in regulator_late_cleanup()
6217 if (rdev->use_count) in regulator_late_cleanup()
6221 if (_regulator_is_enabled(rdev) <= 0) in regulator_late_cleanup()
6228 rdev_info(rdev, "disabling\n"); in regulator_late_cleanup()
6229 ret = _regulator_do_disable(rdev); in regulator_late_cleanup()
6231 rdev_err(rdev, "couldn't disable: %pe\n", ERR_PTR(ret)); in regulator_late_cleanup()
6238 rdev_warn(rdev, "incomplete constraints, leaving on\n"); in regulator_late_cleanup()
6242 regulator_unlock(rdev); in regulator_late_cleanup()