Lines Matching refs:rdev
84 static int _regulator_is_enabled(struct regulator_dev *rdev);
86 static int _regulator_get_current_limit(struct regulator_dev *rdev);
87 static unsigned int _regulator_get_mode(struct regulator_dev *rdev);
88 static int _notifier_call_chain(struct regulator_dev *rdev,
90 static int _regulator_do_set_voltage(struct regulator_dev *rdev,
92 static int regulator_balance_voltage(struct regulator_dev *rdev,
94 static struct regulator *create_regulator(struct regulator_dev *rdev,
100 const char *rdev_get_name(struct regulator_dev *rdev) in rdev_get_name() argument
102 if (rdev->constraints && rdev->constraints->name) in rdev_get_name()
103 return rdev->constraints->name; in rdev_get_name()
104 else if (rdev->desc->name) in rdev_get_name()
105 return rdev->desc->name; in rdev_get_name()
116 static bool regulator_ops_is_valid(struct regulator_dev *rdev, int ops) in regulator_ops_is_valid() argument
118 if (!rdev->constraints) { in regulator_ops_is_valid()
119 rdev_err(rdev, "no constraints\n"); in regulator_ops_is_valid()
123 if (rdev->constraints->valid_ops_mask & ops) in regulator_ops_is_valid()
140 static inline int regulator_lock_nested(struct regulator_dev *rdev, in regulator_lock_nested() argument
148 if (ww_ctx || !ww_mutex_trylock(&rdev->mutex)) { in regulator_lock_nested()
149 if (rdev->mutex_owner == current) in regulator_lock_nested()
150 rdev->ref_cnt++; in regulator_lock_nested()
156 ret = ww_mutex_lock(&rdev->mutex, ww_ctx); in regulator_lock_nested()
164 rdev->ref_cnt++; in regulator_lock_nested()
165 rdev->mutex_owner = current; in regulator_lock_nested()
183 static void regulator_lock(struct regulator_dev *rdev) in regulator_lock() argument
185 regulator_lock_nested(rdev, NULL); in regulator_lock()
195 static void regulator_unlock(struct regulator_dev *rdev) in regulator_unlock() argument
199 if (--rdev->ref_cnt == 0) { in regulator_unlock()
200 rdev->mutex_owner = NULL; in regulator_unlock()
201 ww_mutex_unlock(&rdev->mutex); in regulator_unlock()
204 WARN_ON_ONCE(rdev->ref_cnt < 0); in regulator_unlock()
281 static bool regulator_supply_is_couple(struct regulator_dev *rdev) in regulator_supply_is_couple() argument
286 for (i = 1; i < rdev->coupling_desc.n_coupled; i++) { in regulator_supply_is_couple()
287 c_rdev = rdev->coupling_desc.coupled_rdevs[i]; in regulator_supply_is_couple()
289 if (rdev->supply->rdev == c_rdev) in regulator_supply_is_couple()
296 static void regulator_unlock_recursive(struct regulator_dev *rdev, in regulator_unlock_recursive() argument
303 c_rdev = rdev->coupling_desc.coupled_rdevs[i - 1]; in regulator_unlock_recursive()
309 supply_rdev = c_rdev->supply->rdev; in regulator_unlock_recursive()
320 static int regulator_lock_recursive(struct regulator_dev *rdev, in regulator_lock_recursive() argument
328 for (i = 0; i < rdev->coupling_desc.n_coupled; i++) { in regulator_lock_recursive()
329 c_rdev = rdev->coupling_desc.coupled_rdevs[i]; in regulator_lock_recursive()
350 err = regulator_lock_recursive(c_rdev->supply->rdev, in regulator_lock_recursive()
364 regulator_unlock_recursive(rdev, i); in regulator_lock_recursive()
377 static void regulator_unlock_dependent(struct regulator_dev *rdev, in regulator_unlock_dependent() argument
380 regulator_unlock_recursive(rdev, rdev->coupling_desc.n_coupled); in regulator_unlock_dependent()
392 static void regulator_lock_dependent(struct regulator_dev *rdev, in regulator_lock_dependent() argument
411 err = regulator_lock_recursive(rdev, in regulator_lock_dependent()
493 int regulator_check_voltage(struct regulator_dev *rdev, in regulator_check_voltage() argument
498 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_VOLTAGE)) { in regulator_check_voltage()
499 rdev_err(rdev, "voltage operation not allowed\n"); in regulator_check_voltage()
503 if (*max_uV > rdev->constraints->max_uV) in regulator_check_voltage()
504 *max_uV = rdev->constraints->max_uV; in regulator_check_voltage()
505 if (*min_uV < rdev->constraints->min_uV) in regulator_check_voltage()
506 *min_uV = rdev->constraints->min_uV; in regulator_check_voltage()
509 rdev_err(rdev, "unsupportable voltage range: %d-%duV\n", in regulator_check_voltage()
526 int regulator_check_consumers(struct regulator_dev *rdev, in regulator_check_consumers() argument
533 list_for_each_entry(regulator, &rdev->consumer_list, list) { in regulator_check_consumers()
549 rdev_err(rdev, "Restricting voltage, %u-%uuV\n", in regulator_check_consumers()
558 static int regulator_check_current_limit(struct regulator_dev *rdev, in regulator_check_current_limit() argument
563 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_CURRENT)) { in regulator_check_current_limit()
564 rdev_err(rdev, "current operation not allowed\n"); in regulator_check_current_limit()
568 if (*max_uA > rdev->constraints->max_uA) in regulator_check_current_limit()
569 *max_uA = rdev->constraints->max_uA; in regulator_check_current_limit()
570 if (*min_uA < rdev->constraints->min_uA) in regulator_check_current_limit()
571 *min_uA = rdev->constraints->min_uA; in regulator_check_current_limit()
574 rdev_err(rdev, "unsupportable current range: %d-%duA\n", in regulator_check_current_limit()
583 static int regulator_mode_constrain(struct regulator_dev *rdev, in regulator_mode_constrain() argument
593 rdev_err(rdev, "invalid mode %x specified\n", *mode); in regulator_mode_constrain()
597 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_MODE)) { in regulator_mode_constrain()
598 rdev_err(rdev, "mode operation not allowed\n"); in regulator_mode_constrain()
607 if (rdev->constraints->valid_modes_mask & *mode) in regulator_mode_constrain()
616 regulator_get_suspend_state(struct regulator_dev *rdev, suspend_state_t state) in regulator_get_suspend_state() argument
618 if (rdev->constraints == NULL) in regulator_get_suspend_state()
623 return &rdev->constraints->state_standby; in regulator_get_suspend_state()
625 return &rdev->constraints->state_mem; in regulator_get_suspend_state()
627 return &rdev->constraints->state_disk; in regulator_get_suspend_state()
634 regulator_get_suspend_state_check(struct regulator_dev *rdev, suspend_state_t state) in regulator_get_suspend_state_check() argument
638 rstate = regulator_get_suspend_state(rdev, state); in regulator_get_suspend_state_check()
648 if (rdev->desc->ops->set_suspend_voltage || in regulator_get_suspend_state_check()
649 rdev->desc->ops->set_suspend_mode) in regulator_get_suspend_state_check()
650 rdev_warn(rdev, "No configuration\n"); in regulator_get_suspend_state_check()
660 struct regulator_dev *rdev = dev_get_drvdata(dev); in microvolts_show() local
663 regulator_lock(rdev); in microvolts_show()
664 uV = regulator_get_voltage_rdev(rdev); in microvolts_show()
665 regulator_unlock(rdev); in microvolts_show()
676 struct regulator_dev *rdev = dev_get_drvdata(dev); in microamps_show() local
678 return sprintf(buf, "%d\n", _regulator_get_current_limit(rdev)); in microamps_show()
685 struct regulator_dev *rdev = dev_get_drvdata(dev); in name_show() local
687 return sprintf(buf, "%s\n", rdev_get_name(rdev)); in name_show()
714 struct regulator_dev *rdev = dev_get_drvdata(dev); in opmode_show() local
716 return regulator_print_opmode(buf, _regulator_get_mode(rdev)); in opmode_show()
733 struct regulator_dev *rdev = dev_get_drvdata(dev); in state_show() local
736 regulator_lock(rdev); in state_show()
737 ret = regulator_print_state(buf, _regulator_is_enabled(rdev)); in state_show()
738 regulator_unlock(rdev); in state_show()
747 struct regulator_dev *rdev = dev_get_drvdata(dev); in status_show() local
751 status = rdev->desc->ops->get_status(rdev); in status_show()
794 struct regulator_dev *rdev = dev_get_drvdata(dev); in min_microamps_show() local
796 if (!rdev->constraints) in min_microamps_show()
799 return sprintf(buf, "%d\n", rdev->constraints->min_uA); in min_microamps_show()
806 struct regulator_dev *rdev = dev_get_drvdata(dev); in max_microamps_show() local
808 if (!rdev->constraints) in max_microamps_show()
811 return sprintf(buf, "%d\n", rdev->constraints->max_uA); in max_microamps_show()
818 struct regulator_dev *rdev = dev_get_drvdata(dev); in min_microvolts_show() local
820 if (!rdev->constraints) in min_microvolts_show()
823 return sprintf(buf, "%d\n", rdev->constraints->min_uV); in min_microvolts_show()
830 struct regulator_dev *rdev = dev_get_drvdata(dev); in max_microvolts_show() local
832 if (!rdev->constraints) in max_microvolts_show()
835 return sprintf(buf, "%d\n", rdev->constraints->max_uV); in max_microvolts_show()
842 struct regulator_dev *rdev = dev_get_drvdata(dev); in requested_microamps_show() local
846 regulator_lock(rdev); in requested_microamps_show()
847 list_for_each_entry(regulator, &rdev->consumer_list, list) { in requested_microamps_show()
851 regulator_unlock(rdev); in requested_microamps_show()
859 struct regulator_dev *rdev = dev_get_drvdata(dev); in num_users_show() local
860 return sprintf(buf, "%d\n", rdev->use_count); in num_users_show()
867 struct regulator_dev *rdev = dev_get_drvdata(dev); in type_show() local
869 switch (rdev->desc->type) { in type_show()
882 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_mem_microvolts_show() local
884 return sprintf(buf, "%d\n", rdev->constraints->state_mem.uV); in suspend_mem_microvolts_show()
891 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_disk_microvolts_show() local
893 return sprintf(buf, "%d\n", rdev->constraints->state_disk.uV); in suspend_disk_microvolts_show()
900 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_standby_microvolts_show() local
902 return sprintf(buf, "%d\n", rdev->constraints->state_standby.uV); in suspend_standby_microvolts_show()
909 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_mem_mode_show() local
912 rdev->constraints->state_mem.mode); in suspend_mem_mode_show()
919 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_disk_mode_show() local
922 rdev->constraints->state_disk.mode); in suspend_disk_mode_show()
929 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_standby_mode_show() local
932 rdev->constraints->state_standby.mode); in suspend_standby_mode_show()
939 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_mem_state_show() local
942 rdev->constraints->state_mem.enabled); in suspend_mem_state_show()
949 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_disk_state_show() local
952 rdev->constraints->state_disk.enabled); in suspend_disk_state_show()
959 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_standby_state_show() local
962 rdev->constraints->state_standby.enabled); in suspend_standby_state_show()
969 struct regulator_dev *rdev = dev_get_drvdata(dev); in bypass_show() local
974 ret = rdev->desc->ops->get_bypass(rdev, &bypass); in bypass_show()
990 static int drms_uA_update(struct regulator_dev *rdev) in drms_uA_update() argument
1000 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_DRMS)) { in drms_uA_update()
1001 rdev_dbg(rdev, "DRMS operation not allowed\n"); in drms_uA_update()
1005 if (!rdev->desc->ops->get_optimum_mode && in drms_uA_update()
1006 !rdev->desc->ops->set_load) in drms_uA_update()
1009 if (!rdev->desc->ops->set_mode && in drms_uA_update()
1010 !rdev->desc->ops->set_load) in drms_uA_update()
1014 list_for_each_entry(sibling, &rdev->consumer_list, list) { in drms_uA_update()
1019 current_uA += rdev->constraints->system_load; in drms_uA_update()
1021 if (rdev->desc->ops->set_load) { in drms_uA_update()
1023 err = rdev->desc->ops->set_load(rdev, current_uA); in drms_uA_update()
1025 rdev_err(rdev, "failed to set load %d: %pe\n", in drms_uA_update()
1029 output_uV = regulator_get_voltage_rdev(rdev); in drms_uA_update()
1031 rdev_err(rdev, "invalid output voltage found\n"); in drms_uA_update()
1037 if (rdev->supply) in drms_uA_update()
1038 input_uV = regulator_get_voltage_rdev(rdev->supply->rdev); in drms_uA_update()
1040 input_uV = rdev->constraints->input_uV; in drms_uA_update()
1042 rdev_err(rdev, "invalid input voltage found\n"); in drms_uA_update()
1047 mode = rdev->desc->ops->get_optimum_mode(rdev, input_uV, in drms_uA_update()
1051 err = regulator_mode_constrain(rdev, &mode); in drms_uA_update()
1053 rdev_err(rdev, "failed to get optimum mode @ %d uA %d -> %d uV: %pe\n", in drms_uA_update()
1058 err = rdev->desc->ops->set_mode(rdev, mode); in drms_uA_update()
1060 rdev_err(rdev, "failed to set optimum mode %x: %pe\n", in drms_uA_update()
1067 static int __suspend_set_state(struct regulator_dev *rdev, in __suspend_set_state() argument
1073 rdev->desc->ops->set_suspend_enable) in __suspend_set_state()
1074 ret = rdev->desc->ops->set_suspend_enable(rdev); in __suspend_set_state()
1076 rdev->desc->ops->set_suspend_disable) in __suspend_set_state()
1077 ret = rdev->desc->ops->set_suspend_disable(rdev); in __suspend_set_state()
1082 rdev_err(rdev, "failed to enabled/disable: %pe\n", ERR_PTR(ret)); in __suspend_set_state()
1086 if (rdev->desc->ops->set_suspend_voltage && rstate->uV > 0) { in __suspend_set_state()
1087 ret = rdev->desc->ops->set_suspend_voltage(rdev, rstate->uV); in __suspend_set_state()
1089 rdev_err(rdev, "failed to set voltage: %pe\n", ERR_PTR(ret)); in __suspend_set_state()
1094 if (rdev->desc->ops->set_suspend_mode && rstate->mode > 0) { in __suspend_set_state()
1095 ret = rdev->desc->ops->set_suspend_mode(rdev, rstate->mode); in __suspend_set_state()
1097 rdev_err(rdev, "failed to set mode: %pe\n", ERR_PTR(ret)); in __suspend_set_state()
1105 static int suspend_set_initial_state(struct regulator_dev *rdev) in suspend_set_initial_state() argument
1109 rstate = regulator_get_suspend_state_check(rdev, in suspend_set_initial_state()
1110 rdev->constraints->initial_state); in suspend_set_initial_state()
1114 return __suspend_set_state(rdev, rstate); in suspend_set_initial_state()
1118 static void print_constraints_debug(struct regulator_dev *rdev) in print_constraints_debug() argument
1120 struct regulation_constraints *constraints = rdev->constraints; in print_constraints_debug()
1139 ret = regulator_get_voltage_rdev(rdev); in print_constraints_debug()
1162 ret = _regulator_get_current_limit(rdev); in print_constraints_debug()
1183 _regulator_is_enabled(rdev) ? "enabled" : "disabled"); in print_constraints_debug()
1185 rdev_dbg(rdev, "%s\n", buf); in print_constraints_debug()
1188 static inline void print_constraints_debug(struct regulator_dev *rdev) {} in print_constraints_debug() argument
1191 static void print_constraints(struct regulator_dev *rdev) in print_constraints() argument
1193 struct regulation_constraints *constraints = rdev->constraints; in print_constraints()
1195 print_constraints_debug(rdev); in print_constraints()
1198 !regulator_ops_is_valid(rdev, REGULATOR_CHANGE_VOLTAGE)) in print_constraints()
1199 rdev_warn(rdev, in print_constraints()
1203 static int machine_constraints_voltage(struct regulator_dev *rdev, in machine_constraints_voltage() argument
1206 const struct regulator_ops *ops = rdev->desc->ops; in machine_constraints_voltage()
1210 if (rdev->constraints->apply_uV && in machine_constraints_voltage()
1211 rdev->constraints->min_uV && rdev->constraints->max_uV) { in machine_constraints_voltage()
1213 int current_uV = regulator_get_voltage_rdev(rdev); in machine_constraints_voltage()
1217 rdev_info(rdev, "Setting %d-%duV\n", in machine_constraints_voltage()
1218 rdev->constraints->min_uV, in machine_constraints_voltage()
1219 rdev->constraints->max_uV); in machine_constraints_voltage()
1220 _regulator_do_set_voltage(rdev, in machine_constraints_voltage()
1221 rdev->constraints->min_uV, in machine_constraints_voltage()
1222 rdev->constraints->max_uV); in machine_constraints_voltage()
1223 current_uV = regulator_get_voltage_rdev(rdev); in machine_constraints_voltage()
1227 rdev_err(rdev, in machine_constraints_voltage()
1241 if (current_uV < rdev->constraints->min_uV) { in machine_constraints_voltage()
1242 target_min = rdev->constraints->min_uV; in machine_constraints_voltage()
1243 target_max = rdev->constraints->min_uV; in machine_constraints_voltage()
1246 if (current_uV > rdev->constraints->max_uV) { in machine_constraints_voltage()
1247 target_min = rdev->constraints->max_uV; in machine_constraints_voltage()
1248 target_max = rdev->constraints->max_uV; in machine_constraints_voltage()
1252 rdev_info(rdev, "Bringing %duV into %d-%duV\n", in machine_constraints_voltage()
1255 rdev, target_min, target_max); in machine_constraints_voltage()
1257 rdev_err(rdev, in machine_constraints_voltage()
1268 if (ops->list_voltage && rdev->desc->n_voltages) { in machine_constraints_voltage()
1269 int count = rdev->desc->n_voltages; in machine_constraints_voltage()
1292 rdev_err(rdev, "invalid voltage constraints\n"); in machine_constraints_voltage()
1297 if (rdev->desc->continuous_voltage_range) in machine_constraints_voltage()
1304 value = ops->list_voltage(rdev, i); in machine_constraints_voltage()
1317 rdev_err(rdev, in machine_constraints_voltage()
1325 rdev_dbg(rdev, "override min_uV, %d -> %d\n", in machine_constraints_voltage()
1330 rdev_dbg(rdev, "override max_uV, %d -> %d\n", in machine_constraints_voltage()
1339 static int machine_constraints_current(struct regulator_dev *rdev, in machine_constraints_current() argument
1342 const struct regulator_ops *ops = rdev->desc->ops; in machine_constraints_current()
1349 rdev_err(rdev, "Invalid current constraints\n"); in machine_constraints_current()
1354 rdev_warn(rdev, "Operation of current configuration missing\n"); in machine_constraints_current()
1359 ret = ops->set_current_limit(rdev, constraints->min_uA, in machine_constraints_current()
1362 rdev_err(rdev, "Failed to set current constraint, %d\n", ret); in machine_constraints_current()
1369 static int _regulator_do_enable(struct regulator_dev *rdev);
1371 static int notif_set_limit(struct regulator_dev *rdev, in notif_set_limit() argument
1387 return set(rdev, limit, severity, enable); in notif_set_limit()
1390 static int handle_notify_limits(struct regulator_dev *rdev, in handle_notify_limits() argument
1400 ret = notif_set_limit(rdev, set, limits->prot, in handle_notify_limits()
1406 ret = notif_set_limit(rdev, set, limits->err, in handle_notify_limits()
1412 ret = notif_set_limit(rdev, set, limits->warn, in handle_notify_limits()
1427 static int set_machine_constraints(struct regulator_dev *rdev) in set_machine_constraints() argument
1430 const struct regulator_ops *ops = rdev->desc->ops; in set_machine_constraints()
1432 ret = machine_constraints_voltage(rdev, rdev->constraints); in set_machine_constraints()
1436 ret = machine_constraints_current(rdev, rdev->constraints); in set_machine_constraints()
1440 if (rdev->constraints->ilim_uA && ops->set_input_current_limit) { in set_machine_constraints()
1441 ret = ops->set_input_current_limit(rdev, in set_machine_constraints()
1442 rdev->constraints->ilim_uA); in set_machine_constraints()
1444 rdev_err(rdev, "failed to set input limit: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1450 if (rdev->constraints->initial_state) { in set_machine_constraints()
1451 ret = suspend_set_initial_state(rdev); in set_machine_constraints()
1453 rdev_err(rdev, "failed to set suspend state: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1458 if (rdev->constraints->initial_mode) { in set_machine_constraints()
1460 rdev_err(rdev, "no set_mode operation\n"); in set_machine_constraints()
1464 ret = ops->set_mode(rdev, rdev->constraints->initial_mode); in set_machine_constraints()
1466 rdev_err(rdev, "failed to set initial mode: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1469 } else if (rdev->constraints->system_load) { in set_machine_constraints()
1474 drms_uA_update(rdev); in set_machine_constraints()
1477 if ((rdev->constraints->ramp_delay || rdev->constraints->ramp_disable) in set_machine_constraints()
1479 ret = ops->set_ramp_delay(rdev, rdev->constraints->ramp_delay); in set_machine_constraints()
1481 rdev_err(rdev, "failed to set ramp_delay: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1486 if (rdev->constraints->pull_down && ops->set_pull_down) { in set_machine_constraints()
1487 ret = ops->set_pull_down(rdev); in set_machine_constraints()
1489 rdev_err(rdev, "failed to set pull down: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1494 if (rdev->constraints->soft_start && ops->set_soft_start) { in set_machine_constraints()
1495 ret = ops->set_soft_start(rdev); in set_machine_constraints()
1497 rdev_err(rdev, "failed to set soft start: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1516 if (rdev->constraints->over_current_protection in set_machine_constraints()
1518 int lim = rdev->constraints->over_curr_limits.prot; in set_machine_constraints()
1520 ret = ops->set_over_current_protection(rdev, lim, in set_machine_constraints()
1524 rdev_err(rdev, "failed to set over current protection: %pe\n", in set_machine_constraints()
1530 if (rdev->constraints->over_current_detection) in set_machine_constraints()
1531 ret = handle_notify_limits(rdev, in set_machine_constraints()
1533 &rdev->constraints->over_curr_limits); in set_machine_constraints()
1536 rdev_err(rdev, "failed to set over current limits: %pe\n", in set_machine_constraints()
1540 rdev_warn(rdev, in set_machine_constraints()
1544 if (rdev->constraints->over_voltage_detection) in set_machine_constraints()
1545 ret = handle_notify_limits(rdev, in set_machine_constraints()
1547 &rdev->constraints->over_voltage_limits); in set_machine_constraints()
1550 rdev_err(rdev, "failed to set over voltage limits %pe\n", in set_machine_constraints()
1554 rdev_warn(rdev, in set_machine_constraints()
1558 if (rdev->constraints->under_voltage_detection) in set_machine_constraints()
1559 ret = handle_notify_limits(rdev, in set_machine_constraints()
1561 &rdev->constraints->under_voltage_limits); in set_machine_constraints()
1564 rdev_err(rdev, "failed to set under voltage limits %pe\n", in set_machine_constraints()
1568 rdev_warn(rdev, in set_machine_constraints()
1572 if (rdev->constraints->over_temp_detection) in set_machine_constraints()
1573 ret = handle_notify_limits(rdev, in set_machine_constraints()
1575 &rdev->constraints->temp_limits); in set_machine_constraints()
1578 rdev_err(rdev, "failed to set temperature limits %pe\n", in set_machine_constraints()
1582 rdev_warn(rdev, in set_machine_constraints()
1586 if (rdev->constraints->active_discharge && ops->set_active_discharge) { in set_machine_constraints()
1587 bool ad_state = (rdev->constraints->active_discharge == in set_machine_constraints()
1590 ret = ops->set_active_discharge(rdev, ad_state); in set_machine_constraints()
1592 rdev_err(rdev, "failed to set active discharge: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1604 if (!rdev->ena_pin && !ops->enable) { in set_machine_constraints()
1605 if (rdev->supply_name && !rdev->supply) in set_machine_constraints()
1608 if (rdev->supply) in set_machine_constraints()
1609 rdev->constraints->always_on = in set_machine_constraints()
1610 rdev->supply->rdev->constraints->always_on; in set_machine_constraints()
1612 rdev->constraints->always_on = true; in set_machine_constraints()
1618 if (rdev->constraints->always_on || rdev->constraints->boot_on) { in set_machine_constraints()
1622 if (rdev->supply_name && !rdev->supply) in set_machine_constraints()
1629 if (rdev->supply && in set_machine_constraints()
1630 (rdev->constraints->always_on || in set_machine_constraints()
1631 !regulator_is_enabled(rdev->supply))) { in set_machine_constraints()
1632 ret = regulator_enable(rdev->supply); in set_machine_constraints()
1634 _regulator_put(rdev->supply); in set_machine_constraints()
1635 rdev->supply = NULL; in set_machine_constraints()
1640 ret = _regulator_do_enable(rdev); in set_machine_constraints()
1642 rdev_err(rdev, "failed to enable: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1646 if (rdev->constraints->always_on) in set_machine_constraints()
1647 rdev->use_count++; in set_machine_constraints()
1648 } else if (rdev->desc->off_on_delay) { in set_machine_constraints()
1649 rdev->last_off = ktime_get(); in set_machine_constraints()
1652 print_constraints(rdev); in set_machine_constraints()
1665 static int set_supply(struct regulator_dev *rdev, in set_supply() argument
1670 rdev_info(rdev, "supplied by %s\n", rdev_get_name(supply_rdev)); in set_supply()
1675 rdev->supply = create_regulator(supply_rdev, &rdev->dev, "SUPPLY"); in set_supply()
1676 if (rdev->supply == NULL) { in set_supply()
1697 static int set_consumer_device_supply(struct regulator_dev *rdev, in set_consumer_device_supply() argument
1716 new_node->regulator = rdev; in set_consumer_device_supply()
1744 dev_name(&rdev->dev), rdev_get_name(rdev)); in set_consumer_device_supply()
1760 static void unset_regulator_supplies(struct regulator_dev *rdev) in unset_regulator_supplies() argument
1765 if (rdev == node->regulator) { in unset_regulator_supplies()
1779 const struct regulation_constraints *c = regulator->rdev->constraints; in constraint_flags_read_file()
1824 static struct regulator *create_regulator(struct regulator_dev *rdev, in create_regulator() argument
1831 lockdep_assert_held_once(&rdev->mutex.base); in create_regulator()
1857 regulator->rdev = rdev; in create_regulator()
1860 list_add(®ulator->list, &rdev->consumer_list); in create_regulator()
1866 err = sysfs_create_link_nowarn(&rdev->dev.kobj, &dev->kobj, in create_regulator()
1869 rdev_dbg(rdev, "could not add device link %s: %pe\n", in create_regulator()
1876 regulator->debugfs = debugfs_create_dir(supply_name, rdev->debugfs); in create_regulator()
1878 rdev_dbg(rdev, "Failed to create debugfs directory\n"); in create_regulator()
1894 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_STATUS) && in create_regulator()
1895 _regulator_is_enabled(rdev)) in create_regulator()
1901 static int _regulator_get_enable_time(struct regulator_dev *rdev) in _regulator_get_enable_time() argument
1903 if (rdev->constraints && rdev->constraints->enable_time) in _regulator_get_enable_time()
1904 return rdev->constraints->enable_time; in _regulator_get_enable_time()
1905 if (rdev->desc->ops->enable_time) in _regulator_get_enable_time()
1906 return rdev->desc->ops->enable_time(rdev); in _regulator_get_enable_time()
1907 return rdev->desc->enable_time; in _regulator_get_enable_time()
2020 static int regulator_resolve_supply(struct regulator_dev *rdev) in regulator_resolve_supply() argument
2023 struct device *dev = rdev->dev.parent; in regulator_resolve_supply()
2028 if (!rdev->supply_name) in regulator_resolve_supply()
2032 if (rdev->supply) in regulator_resolve_supply()
2035 r = regulator_dev_lookup(dev, rdev->supply_name); in regulator_resolve_supply()
2048 rdev->supply_name, rdev->desc->name); in regulator_resolve_supply()
2054 if (r == rdev) { in regulator_resolve_supply()
2056 rdev->desc->name, rdev->supply_name); in regulator_resolve_supply()
2071 if (r->dev.parent && r->dev.parent != rdev->dev.parent) { in regulator_resolve_supply()
2091 regulator_lock_two(rdev, r, &ww_ctx); in regulator_resolve_supply()
2094 if (rdev->supply) { in regulator_resolve_supply()
2095 regulator_unlock_two(rdev, r, &ww_ctx); in regulator_resolve_supply()
2100 ret = set_supply(rdev, r); in regulator_resolve_supply()
2102 regulator_unlock_two(rdev, r, &ww_ctx); in regulator_resolve_supply()
2107 regulator_unlock_two(rdev, r, &ww_ctx); in regulator_resolve_supply()
2114 if (rdev->use_count) { in regulator_resolve_supply()
2115 ret = regulator_enable(rdev->supply); in regulator_resolve_supply()
2117 _regulator_put(rdev->supply); in regulator_resolve_supply()
2118 rdev->supply = NULL; in regulator_resolve_supply()
2131 struct regulator_dev *rdev; in _regulator_get() local
2146 rdev = regulator_dev_lookup(dev, id); in _regulator_get()
2147 if (IS_ERR(rdev)) { in _regulator_get()
2148 ret = PTR_ERR(rdev); in _regulator_get()
2171 rdev = dummy_regulator_rdev; in _regulator_get()
2172 get_device(&rdev->dev); in _regulator_get()
2185 if (rdev->exclusive) { in _regulator_get()
2187 put_device(&rdev->dev); in _regulator_get()
2191 if (get_type == EXCLUSIVE_GET && rdev->open_count) { in _regulator_get()
2193 put_device(&rdev->dev); in _regulator_get()
2198 ret = (rdev->coupling_desc.n_resolved != rdev->coupling_desc.n_coupled); in _regulator_get()
2203 put_device(&rdev->dev); in _regulator_get()
2207 ret = regulator_resolve_supply(rdev); in _regulator_get()
2210 put_device(&rdev->dev); in _regulator_get()
2214 if (!try_module_get(rdev->owner)) { in _regulator_get()
2216 put_device(&rdev->dev); in _regulator_get()
2220 regulator_lock(rdev); in _regulator_get()
2221 regulator = create_regulator(rdev, dev, id); in _regulator_get()
2222 regulator_unlock(rdev); in _regulator_get()
2225 module_put(rdev->owner); in _regulator_get()
2226 put_device(&rdev->dev); in _regulator_get()
2230 rdev->open_count++; in _regulator_get()
2232 rdev->exclusive = 1; in _regulator_get()
2234 ret = _regulator_is_enabled(rdev); in _regulator_get()
2236 rdev->use_count = 1; in _regulator_get()
2239 rdev->use_count = 0; in _regulator_get()
2244 link = device_link_add(dev, &rdev->dev, DL_FLAG_STATELESS); in _regulator_get()
2325 struct regulator_dev *rdev = regulator->rdev; in destroy_regulator() local
2331 device_link_remove(regulator->dev, &rdev->dev); in destroy_regulator()
2334 sysfs_remove_link(&rdev->dev.kobj, regulator->supply_name); in destroy_regulator()
2337 regulator_lock(rdev); in destroy_regulator()
2340 rdev->open_count--; in destroy_regulator()
2341 rdev->exclusive = 0; in destroy_regulator()
2342 regulator_unlock(rdev); in destroy_regulator()
2351 struct regulator_dev *rdev; in _regulator_put() local
2361 rdev = regulator->rdev; in _regulator_put()
2365 module_put(rdev->owner); in _regulator_put()
2366 put_device(&rdev->dev); in _regulator_put()
2515 static int regulator_ena_gpio_request(struct regulator_dev *rdev, in regulator_ena_gpio_request() argument
2528 rdev_dbg(rdev, "GPIO is already used\n"); in regulator_ena_gpio_request()
2546 rdev->ena_pin = pin; in regulator_ena_gpio_request()
2554 static void regulator_ena_gpio_free(struct regulator_dev *rdev) in regulator_ena_gpio_free() argument
2558 if (!rdev->ena_pin) in regulator_ena_gpio_free()
2563 if (pin != rdev->ena_pin) in regulator_ena_gpio_free()
2575 rdev->ena_pin = NULL; in regulator_ena_gpio_free()
2586 static int regulator_ena_gpio_ctrl(struct regulator_dev *rdev, bool enable) in regulator_ena_gpio_ctrl() argument
2588 struct regulator_enable_gpio *pin = rdev->ena_pin; in regulator_ena_gpio_ctrl()
2666 static inline int _regulator_check_status_enabled(struct regulator_dev *rdev) in _regulator_check_status_enabled() argument
2668 int ret = rdev->desc->ops->get_status(rdev); in _regulator_check_status_enabled()
2671 rdev_info(rdev, "get_status returned error: %d\n", ret); in _regulator_check_status_enabled()
2685 static int _regulator_do_enable(struct regulator_dev *rdev) in _regulator_do_enable() argument
2690 ret = _regulator_get_enable_time(rdev); in _regulator_do_enable()
2694 rdev_warn(rdev, "enable_time() failed: %pe\n", ERR_PTR(ret)); in _regulator_do_enable()
2698 trace_regulator_enable(rdev_get_name(rdev)); in _regulator_do_enable()
2700 if (rdev->desc->off_on_delay) { in _regulator_do_enable()
2704 ktime_t end = ktime_add_us(rdev->last_off, rdev->desc->off_on_delay); in _regulator_do_enable()
2711 if (rdev->ena_pin) { in _regulator_do_enable()
2712 if (!rdev->ena_gpio_state) { in _regulator_do_enable()
2713 ret = regulator_ena_gpio_ctrl(rdev, true); in _regulator_do_enable()
2716 rdev->ena_gpio_state = 1; in _regulator_do_enable()
2718 } else if (rdev->desc->ops->enable) { in _regulator_do_enable()
2719 ret = rdev->desc->ops->enable(rdev); in _regulator_do_enable()
2730 trace_regulator_enable_delay(rdev_get_name(rdev)); in _regulator_do_enable()
2738 if (rdev->desc->poll_enabled_time) { in _regulator_do_enable()
2742 _regulator_enable_delay(rdev->desc->poll_enabled_time); in _regulator_do_enable()
2744 if (rdev->desc->ops->get_status) { in _regulator_do_enable()
2745 ret = _regulator_check_status_enabled(rdev); in _regulator_do_enable()
2750 } else if (rdev->desc->ops->is_enabled(rdev)) in _regulator_do_enable()
2753 time_remaining -= rdev->desc->poll_enabled_time; in _regulator_do_enable()
2757 rdev_err(rdev, "Enabled check timed out\n"); in _regulator_do_enable()
2764 trace_regulator_enable_complete(rdev_get_name(rdev)); in _regulator_do_enable()
2792 struct regulator_dev *rdev = regulator->rdev; in _regulator_handle_consumer_enable() local
2794 lockdep_assert_held_once(&rdev->mutex.base); in _regulator_handle_consumer_enable()
2798 ret = drms_uA_update(rdev); in _regulator_handle_consumer_enable()
2817 struct regulator_dev *rdev = regulator->rdev; in _regulator_handle_consumer_disable() local
2819 lockdep_assert_held_once(&rdev->mutex.base); in _regulator_handle_consumer_disable()
2822 rdev_err(rdev, "Underflow of regulator enable count\n"); in _regulator_handle_consumer_disable()
2828 return drms_uA_update(rdev); in _regulator_handle_consumer_disable()
2836 struct regulator_dev *rdev = regulator->rdev; in _regulator_enable() local
2839 lockdep_assert_held_once(&rdev->mutex.base); in _regulator_enable()
2841 if (rdev->use_count == 0 && rdev->supply) { in _regulator_enable()
2842 ret = _regulator_enable(rdev->supply); in _regulator_enable()
2848 if (rdev->coupling_desc.n_coupled > 1) { in _regulator_enable()
2849 ret = regulator_balance_voltage(rdev, PM_SUSPEND_ON); in _regulator_enable()
2858 if (rdev->use_count == 0) { in _regulator_enable()
2863 ret = _regulator_is_enabled(rdev); in _regulator_enable()
2865 if (!regulator_ops_is_valid(rdev, in _regulator_enable()
2871 ret = _regulator_do_enable(rdev); in _regulator_enable()
2875 _notifier_call_chain(rdev, REGULATOR_EVENT_ENABLE, in _regulator_enable()
2878 rdev_err(rdev, "is_enabled() failed: %pe\n", ERR_PTR(ret)); in _regulator_enable()
2885 rdev->use_count++; in _regulator_enable()
2893 if (rdev->use_count == 0 && rdev->supply) in _regulator_enable()
2894 _regulator_disable(rdev->supply); in _regulator_enable()
2912 struct regulator_dev *rdev = regulator->rdev; in regulator_enable() local
2916 regulator_lock_dependent(rdev, &ww_ctx); in regulator_enable()
2918 regulator_unlock_dependent(rdev, &ww_ctx); in regulator_enable()
2924 static int _regulator_do_disable(struct regulator_dev *rdev) in _regulator_do_disable() argument
2928 trace_regulator_disable(rdev_get_name(rdev)); in _regulator_do_disable()
2930 if (rdev->ena_pin) { in _regulator_do_disable()
2931 if (rdev->ena_gpio_state) { in _regulator_do_disable()
2932 ret = regulator_ena_gpio_ctrl(rdev, false); in _regulator_do_disable()
2935 rdev->ena_gpio_state = 0; in _regulator_do_disable()
2938 } else if (rdev->desc->ops->disable) { in _regulator_do_disable()
2939 ret = rdev->desc->ops->disable(rdev); in _regulator_do_disable()
2944 if (rdev->desc->off_on_delay) in _regulator_do_disable()
2945 rdev->last_off = ktime_get_boottime(); in _regulator_do_disable()
2947 trace_regulator_disable_complete(rdev_get_name(rdev)); in _regulator_do_disable()
2955 struct regulator_dev *rdev = regulator->rdev; in _regulator_disable() local
2958 lockdep_assert_held_once(&rdev->mutex.base); in _regulator_disable()
2961 "unbalanced disables for %s\n", rdev_get_name(rdev))) in _regulator_disable()
2967 if (rdev->use_count == 1 && in _regulator_disable()
2968 (rdev->constraints && !rdev->constraints->always_on)) { in _regulator_disable()
2971 if (regulator_ops_is_valid(rdev, REGULATOR_CHANGE_STATUS)) { in _regulator_disable()
2972 ret = _notifier_call_chain(rdev, in _regulator_disable()
2978 ret = _regulator_do_disable(rdev); in _regulator_disable()
2980 rdev_err(rdev, "failed to disable: %pe\n", ERR_PTR(ret)); in _regulator_disable()
2981 _notifier_call_chain(rdev, in _regulator_disable()
2986 _notifier_call_chain(rdev, REGULATOR_EVENT_DISABLE, in _regulator_disable()
2990 rdev->use_count = 0; in _regulator_disable()
2991 } else if (rdev->use_count > 1) { in _regulator_disable()
2992 rdev->use_count--; in _regulator_disable()
2999 if (ret == 0 && rdev->coupling_desc.n_coupled > 1) in _regulator_disable()
3000 ret = regulator_balance_voltage(rdev, PM_SUSPEND_ON); in _regulator_disable()
3002 if (ret == 0 && rdev->use_count == 0 && rdev->supply) in _regulator_disable()
3003 ret = _regulator_disable(rdev->supply); in _regulator_disable()
3022 struct regulator_dev *rdev = regulator->rdev; in regulator_disable() local
3026 regulator_lock_dependent(rdev, &ww_ctx); in regulator_disable()
3028 regulator_unlock_dependent(rdev, &ww_ctx); in regulator_disable()
3035 static int _regulator_force_disable(struct regulator_dev *rdev) in _regulator_force_disable() argument
3039 lockdep_assert_held_once(&rdev->mutex.base); in _regulator_force_disable()
3041 ret = _notifier_call_chain(rdev, REGULATOR_EVENT_FORCE_DISABLE | in _regulator_force_disable()
3046 ret = _regulator_do_disable(rdev); in _regulator_force_disable()
3048 rdev_err(rdev, "failed to force disable: %pe\n", ERR_PTR(ret)); in _regulator_force_disable()
3049 _notifier_call_chain(rdev, REGULATOR_EVENT_FORCE_DISABLE | in _regulator_force_disable()
3054 _notifier_call_chain(rdev, REGULATOR_EVENT_FORCE_DISABLE | in _regulator_force_disable()
3071 struct regulator_dev *rdev = regulator->rdev; in regulator_force_disable() local
3075 regulator_lock_dependent(rdev, &ww_ctx); in regulator_force_disable()
3077 ret = _regulator_force_disable(regulator->rdev); in regulator_force_disable()
3079 if (rdev->coupling_desc.n_coupled > 1) in regulator_force_disable()
3080 regulator_balance_voltage(rdev, PM_SUSPEND_ON); in regulator_force_disable()
3084 ret = drms_uA_update(rdev); in regulator_force_disable()
3087 if (rdev->use_count != 0 && rdev->supply) in regulator_force_disable()
3088 _regulator_disable(rdev->supply); in regulator_force_disable()
3090 regulator_unlock_dependent(rdev, &ww_ctx); in regulator_force_disable()
3098 struct regulator_dev *rdev = container_of(work, struct regulator_dev, in regulator_disable_work() local
3105 regulator_lock_dependent(rdev, &ww_ctx); in regulator_disable_work()
3113 cancel_delayed_work(&rdev->disable_work); in regulator_disable_work()
3115 list_for_each_entry(regulator, &rdev->consumer_list, list) { in regulator_disable_work()
3127 rdev_err(rdev, "Deferred disable failed: %pe\n", in regulator_disable_work()
3133 if (rdev->coupling_desc.n_coupled > 1) in regulator_disable_work()
3134 regulator_balance_voltage(rdev, PM_SUSPEND_ON); in regulator_disable_work()
3136 regulator_unlock_dependent(rdev, &ww_ctx); in regulator_disable_work()
3153 struct regulator_dev *rdev = regulator->rdev; in regulator_disable_deferred() local
3158 regulator_lock(rdev); in regulator_disable_deferred()
3160 mod_delayed_work(system_power_efficient_wq, &rdev->disable_work, in regulator_disable_deferred()
3162 regulator_unlock(rdev); in regulator_disable_deferred()
3168 static int _regulator_is_enabled(struct regulator_dev *rdev) in _regulator_is_enabled() argument
3171 if (rdev->ena_pin) in _regulator_is_enabled()
3172 return rdev->ena_gpio_state; in _regulator_is_enabled()
3175 if (!rdev->desc->ops->is_enabled) in _regulator_is_enabled()
3178 return rdev->desc->ops->is_enabled(rdev); in _regulator_is_enabled()
3181 static int _regulator_list_voltage(struct regulator_dev *rdev, in _regulator_list_voltage() argument
3184 const struct regulator_ops *ops = rdev->desc->ops; in _regulator_list_voltage()
3187 if (rdev->desc->fixed_uV && rdev->desc->n_voltages == 1 && !selector) in _regulator_list_voltage()
3188 return rdev->desc->fixed_uV; in _regulator_list_voltage()
3191 if (selector >= rdev->desc->n_voltages) in _regulator_list_voltage()
3193 if (selector < rdev->desc->linear_min_sel) in _regulator_list_voltage()
3196 regulator_lock(rdev); in _regulator_list_voltage()
3197 ret = ops->list_voltage(rdev, selector); in _regulator_list_voltage()
3199 regulator_unlock(rdev); in _regulator_list_voltage()
3200 } else if (rdev->is_switch && rdev->supply) { in _regulator_list_voltage()
3201 ret = _regulator_list_voltage(rdev->supply->rdev, in _regulator_list_voltage()
3208 if (ret < rdev->constraints->min_uV) in _regulator_list_voltage()
3210 else if (ret > rdev->constraints->max_uV) in _regulator_list_voltage()
3236 regulator_lock(regulator->rdev); in regulator_is_enabled()
3237 ret = _regulator_is_enabled(regulator->rdev); in regulator_is_enabled()
3238 regulator_unlock(regulator->rdev); in regulator_is_enabled()
3254 struct regulator_dev *rdev = regulator->rdev; in regulator_count_voltages() local
3256 if (rdev->desc->n_voltages) in regulator_count_voltages()
3257 return rdev->desc->n_voltages; in regulator_count_voltages()
3259 if (!rdev->is_switch || !rdev->supply) in regulator_count_voltages()
3262 return regulator_count_voltages(rdev->supply); in regulator_count_voltages()
3278 return _regulator_list_voltage(regulator->rdev, selector, 1); in regulator_list_voltage()
3291 struct regmap *map = regulator->rdev->regmap; in regulator_get_regmap()
3314 struct regulator_dev *rdev = regulator->rdev; in regulator_get_hardware_vsel_register() local
3315 const struct regulator_ops *ops = rdev->desc->ops; in regulator_get_hardware_vsel_register()
3320 *vsel_reg = rdev->desc->vsel_reg; in regulator_get_hardware_vsel_register()
3321 *vsel_mask = rdev->desc->vsel_mask; in regulator_get_hardware_vsel_register()
3341 struct regulator_dev *rdev = regulator->rdev; in regulator_list_hardware_vsel() local
3342 const struct regulator_ops *ops = rdev->desc->ops; in regulator_list_hardware_vsel()
3344 if (selector >= rdev->desc->n_voltages) in regulator_list_hardware_vsel()
3346 if (selector < rdev->desc->linear_min_sel) in regulator_list_hardware_vsel()
3364 struct regulator_dev *rdev = regulator->rdev; in regulator_get_linear_step() local
3366 return rdev->desc->uV_step; in regulator_get_linear_step()
3382 struct regulator_dev *rdev = regulator->rdev; in regulator_is_supported_voltage() local
3386 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_VOLTAGE)) { in regulator_is_supported_voltage()
3395 if (rdev->desc->continuous_voltage_range) in regulator_is_supported_voltage()
3396 return min_uV >= rdev->constraints->min_uV && in regulator_is_supported_voltage()
3397 max_uV <= rdev->constraints->max_uV; in regulator_is_supported_voltage()
3415 static int regulator_map_voltage(struct regulator_dev *rdev, int min_uV, in regulator_map_voltage() argument
3418 const struct regulator_desc *desc = rdev->desc; in regulator_map_voltage()
3421 return desc->ops->map_voltage(rdev, min_uV, max_uV); in regulator_map_voltage()
3424 return regulator_map_voltage_linear(rdev, min_uV, max_uV); in regulator_map_voltage()
3427 return regulator_map_voltage_linear_range(rdev, min_uV, max_uV); in regulator_map_voltage()
3431 return regulator_map_voltage_pickable_linear_range(rdev, in regulator_map_voltage()
3434 return regulator_map_voltage_iterate(rdev, min_uV, max_uV); in regulator_map_voltage()
3437 static int _regulator_call_set_voltage(struct regulator_dev *rdev, in _regulator_call_set_voltage() argument
3444 data.old_uV = regulator_get_voltage_rdev(rdev); in _regulator_call_set_voltage()
3447 ret = _notifier_call_chain(rdev, REGULATOR_EVENT_PRE_VOLTAGE_CHANGE, in _regulator_call_set_voltage()
3452 ret = rdev->desc->ops->set_voltage(rdev, min_uV, max_uV, selector); in _regulator_call_set_voltage()
3456 _notifier_call_chain(rdev, REGULATOR_EVENT_ABORT_VOLTAGE_CHANGE, in _regulator_call_set_voltage()
3462 static int _regulator_call_set_voltage_sel(struct regulator_dev *rdev, in _regulator_call_set_voltage_sel() argument
3468 data.old_uV = regulator_get_voltage_rdev(rdev); in _regulator_call_set_voltage_sel()
3471 ret = _notifier_call_chain(rdev, REGULATOR_EVENT_PRE_VOLTAGE_CHANGE, in _regulator_call_set_voltage_sel()
3476 ret = rdev->desc->ops->set_voltage_sel(rdev, selector); in _regulator_call_set_voltage_sel()
3480 _notifier_call_chain(rdev, REGULATOR_EVENT_ABORT_VOLTAGE_CHANGE, in _regulator_call_set_voltage_sel()
3486 static int _regulator_set_voltage_sel_step(struct regulator_dev *rdev, in _regulator_set_voltage_sel_step() argument
3489 const struct regulator_ops *ops = rdev->desc->ops; in _regulator_set_voltage_sel_step()
3493 if (!_regulator_is_enabled(rdev)) in _regulator_set_voltage_sel_step()
3499 old_sel = ops->get_voltage_sel(rdev); in _regulator_set_voltage_sel_step()
3509 for (curr_sel = old_sel + rdev->desc->vsel_step; in _regulator_set_voltage_sel_step()
3511 curr_sel += rdev->desc->vsel_step) { in _regulator_set_voltage_sel_step()
3518 ret = ops->set_voltage_sel(rdev, curr_sel); in _regulator_set_voltage_sel_step()
3524 for (curr_sel = old_sel - rdev->desc->vsel_step; in _regulator_set_voltage_sel_step()
3526 curr_sel -= rdev->desc->vsel_step) { in _regulator_set_voltage_sel_step()
3527 ret = ops->set_voltage_sel(rdev, curr_sel); in _regulator_set_voltage_sel_step()
3535 return _regulator_call_set_voltage_sel(rdev, uV, new_selector); in _regulator_set_voltage_sel_step()
3542 (void)ops->set_voltage_sel(rdev, old_sel); in _regulator_set_voltage_sel_step()
3546 static int _regulator_set_voltage_time(struct regulator_dev *rdev, in _regulator_set_voltage_time() argument
3551 if (rdev->constraints->ramp_delay) in _regulator_set_voltage_time()
3552 ramp_delay = rdev->constraints->ramp_delay; in _regulator_set_voltage_time()
3553 else if (rdev->desc->ramp_delay) in _regulator_set_voltage_time()
3554 ramp_delay = rdev->desc->ramp_delay; in _regulator_set_voltage_time()
3555 else if (rdev->constraints->settling_time) in _regulator_set_voltage_time()
3556 return rdev->constraints->settling_time; in _regulator_set_voltage_time()
3557 else if (rdev->constraints->settling_time_up && in _regulator_set_voltage_time()
3559 return rdev->constraints->settling_time_up; in _regulator_set_voltage_time()
3560 else if (rdev->constraints->settling_time_down && in _regulator_set_voltage_time()
3562 return rdev->constraints->settling_time_down; in _regulator_set_voltage_time()
3565 rdev_dbg(rdev, "ramp_delay not set\n"); in _regulator_set_voltage_time()
3572 static int _regulator_do_set_voltage(struct regulator_dev *rdev, in _regulator_do_set_voltage() argument
3580 const struct regulator_ops *ops = rdev->desc->ops; in _regulator_do_set_voltage()
3581 int old_uV = regulator_get_voltage_rdev(rdev); in _regulator_do_set_voltage()
3583 trace_regulator_set_voltage(rdev_get_name(rdev), min_uV, max_uV); in _regulator_do_set_voltage()
3585 min_uV += rdev->constraints->uV_offset; in _regulator_do_set_voltage()
3586 max_uV += rdev->constraints->uV_offset; in _regulator_do_set_voltage()
3592 if (_regulator_is_enabled(rdev) && in _regulator_do_set_voltage()
3594 old_selector = ops->get_voltage_sel(rdev); in _regulator_do_set_voltage()
3600 ret = _regulator_call_set_voltage(rdev, min_uV, max_uV, in _regulator_do_set_voltage()
3605 best_val = ops->list_voltage(rdev, in _regulator_do_set_voltage()
3608 best_val = regulator_get_voltage_rdev(rdev); in _regulator_do_set_voltage()
3612 ret = regulator_map_voltage(rdev, min_uV, max_uV); in _regulator_do_set_voltage()
3614 best_val = ops->list_voltage(rdev, ret); in _regulator_do_set_voltage()
3619 else if (rdev->desc->vsel_step) in _regulator_do_set_voltage()
3621 rdev, best_val, selector); in _regulator_do_set_voltage()
3624 rdev, best_val, selector); in _regulator_do_set_voltage()
3642 delay = ops->set_voltage_time_sel(rdev, old_selector, in _regulator_do_set_voltage()
3647 delay = ops->set_voltage_time(rdev, old_uV, in _regulator_do_set_voltage()
3650 delay = _regulator_set_voltage_time(rdev, in _regulator_do_set_voltage()
3657 rdev_warn(rdev, "failed to get delay: %pe\n", ERR_PTR(delay)); in _regulator_do_set_voltage()
3672 _notifier_call_chain(rdev, REGULATOR_EVENT_VOLTAGE_CHANGE, in _regulator_do_set_voltage()
3677 trace_regulator_set_voltage_complete(rdev_get_name(rdev), best_val); in _regulator_do_set_voltage()
3682 static int _regulator_do_set_suspend_voltage(struct regulator_dev *rdev, in _regulator_do_set_suspend_voltage() argument
3688 rstate = regulator_get_suspend_state(rdev, state); in _regulator_do_set_suspend_voltage()
3697 sel = regulator_map_voltage(rdev, min_uV, max_uV); in _regulator_do_set_suspend_voltage()
3701 uV = rdev->desc->ops->list_voltage(rdev, sel); in _regulator_do_set_suspend_voltage()
3712 struct regulator_dev *rdev = regulator->rdev; in regulator_set_voltage_unlocked() local
3729 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_VOLTAGE)) { in regulator_set_voltage_unlocked()
3730 current_uV = regulator_get_voltage_rdev(rdev); in regulator_set_voltage_unlocked()
3739 if (!rdev->desc->ops->set_voltage && in regulator_set_voltage_unlocked()
3740 !rdev->desc->ops->set_voltage_sel) { in regulator_set_voltage_unlocked()
3746 ret = regulator_check_voltage(rdev, &min_uV, &max_uV); in regulator_set_voltage_unlocked()
3757 ret = regulator_balance_voltage(rdev, state); in regulator_set_voltage_unlocked()
3767 int regulator_set_voltage_rdev(struct regulator_dev *rdev, int min_uV, in regulator_set_voltage_rdev() argument
3774 if (rdev->supply && in regulator_set_voltage_rdev()
3775 regulator_ops_is_valid(rdev->supply->rdev, in regulator_set_voltage_rdev()
3777 (rdev->desc->min_dropout_uV || !(rdev->desc->ops->get_voltage || in regulator_set_voltage_rdev()
3778 rdev->desc->ops->get_voltage_sel))) { in regulator_set_voltage_rdev()
3782 selector = regulator_map_voltage(rdev, min_uV, max_uV); in regulator_set_voltage_rdev()
3788 best_supply_uV = _regulator_list_voltage(rdev, selector, 0); in regulator_set_voltage_rdev()
3794 best_supply_uV += rdev->desc->min_dropout_uV; in regulator_set_voltage_rdev()
3796 current_supply_uV = regulator_get_voltage_rdev(rdev->supply->rdev); in regulator_set_voltage_rdev()
3806 ret = regulator_set_voltage_unlocked(rdev->supply, in regulator_set_voltage_rdev()
3809 dev_err(&rdev->dev, "Failed to increase supply voltage: %pe\n", in regulator_set_voltage_rdev()
3816 ret = _regulator_do_set_voltage(rdev, min_uV, max_uV); in regulator_set_voltage_rdev()
3818 ret = _regulator_do_set_suspend_voltage(rdev, min_uV, in regulator_set_voltage_rdev()
3824 ret = regulator_set_voltage_unlocked(rdev->supply, in regulator_set_voltage_rdev()
3827 dev_warn(&rdev->dev, "Failed to decrease supply voltage: %pe\n", in regulator_set_voltage_rdev()
3838 static int regulator_limit_voltage_step(struct regulator_dev *rdev, in regulator_limit_voltage_step() argument
3841 struct regulation_constraints *constraints = rdev->constraints; in regulator_limit_voltage_step()
3844 if (!constraints->max_uV_step || !_regulator_is_enabled(rdev)) in regulator_limit_voltage_step()
3848 *current_uV = regulator_get_voltage_rdev(rdev); in regulator_limit_voltage_step()
3868 static int regulator_get_optimal_voltage(struct regulator_dev *rdev, in regulator_get_optimal_voltage() argument
3874 struct coupling_desc *c_desc = &rdev->coupling_desc; in regulator_get_optimal_voltage()
3876 struct regulation_constraints *constraints = rdev->constraints; in regulator_get_optimal_voltage()
3897 ret = regulator_check_consumers(rdev, in regulator_get_optimal_voltage()
3982 ret = regulator_limit_voltage_step(rdev, current_uV, in regulator_get_optimal_voltage()
3994 if (_regulator_is_enabled(rdev)) { in regulator_get_optimal_voltage()
3995 ret = regulator_get_voltage_rdev(rdev); in regulator_get_optimal_voltage()
4011 int regulator_do_balance_voltage(struct regulator_dev *rdev, in regulator_do_balance_voltage() argument
4016 struct coupling_desc *c_desc = &rdev->coupling_desc; in regulator_do_balance_voltage()
4094 static int regulator_balance_voltage(struct regulator_dev *rdev, in regulator_balance_voltage() argument
4097 struct coupling_desc *c_desc = &rdev->coupling_desc; in regulator_balance_voltage()
4109 rdev_err(rdev, "Not all coupled regulators registered\n"); in regulator_balance_voltage()
4115 return coupler->balance_voltage(coupler, rdev, state); in regulator_balance_voltage()
4117 return regulator_do_balance_voltage(rdev, state, skip_coupled); in regulator_balance_voltage()
4143 regulator_lock_dependent(regulator->rdev, &ww_ctx); in regulator_set_voltage()
4148 regulator_unlock_dependent(regulator->rdev, &ww_ctx); in regulator_set_voltage()
4154 static inline int regulator_suspend_toggle(struct regulator_dev *rdev, in regulator_suspend_toggle() argument
4159 rstate = regulator_get_suspend_state(rdev, state); in regulator_suspend_toggle()
4171 int regulator_suspend_enable(struct regulator_dev *rdev, in regulator_suspend_enable() argument
4174 return regulator_suspend_toggle(rdev, state, true); in regulator_suspend_enable()
4178 int regulator_suspend_disable(struct regulator_dev *rdev, in regulator_suspend_disable() argument
4188 list_for_each_entry(regulator, &rdev->consumer_list, list) { in regulator_suspend_disable()
4194 return regulator_suspend_toggle(rdev, state, false); in regulator_suspend_disable()
4202 struct regulator_dev *rdev = regulator->rdev; in _regulator_set_suspend_voltage() local
4205 rstate = regulator_get_suspend_state(rdev, state); in _regulator_set_suspend_voltage()
4210 rdev_err(rdev, "The suspend voltage can't be changed!\n"); in _regulator_set_suspend_voltage()
4227 regulator_lock_dependent(regulator->rdev, &ww_ctx); in regulator_set_suspend_voltage()
4232 regulator_unlock_dependent(regulator->rdev, &ww_ctx); in regulator_set_suspend_voltage()
4251 struct regulator_dev *rdev = regulator->rdev; in regulator_set_voltage_time() local
4252 const struct regulator_ops *ops = rdev->desc->ops; in regulator_set_voltage_time()
4259 return ops->set_voltage_time(rdev, old_uV, new_uV); in regulator_set_voltage_time()
4261 return _regulator_set_voltage_time(rdev, old_uV, new_uV); in regulator_set_voltage_time()
4264 if (!ops->list_voltage || !rdev->desc->n_voltages) in regulator_set_voltage_time()
4267 for (i = 0; i < rdev->desc->n_voltages; i++) { in regulator_set_voltage_time()
4269 if (i < rdev->desc->linear_min_sel) in regulator_set_voltage_time()
4289 return ops->set_voltage_time_sel(rdev, old_sel, new_sel); in regulator_set_voltage_time()
4305 int regulator_set_voltage_time_sel(struct regulator_dev *rdev, in regulator_set_voltage_time_sel() argument
4312 if (!rdev->desc->ops->list_voltage) in regulator_set_voltage_time_sel()
4315 old_volt = rdev->desc->ops->list_voltage(rdev, old_selector); in regulator_set_voltage_time_sel()
4316 new_volt = rdev->desc->ops->list_voltage(rdev, new_selector); in regulator_set_voltage_time_sel()
4318 if (rdev->desc->ops->set_voltage_time) in regulator_set_voltage_time_sel()
4319 return rdev->desc->ops->set_voltage_time(rdev, old_volt, in regulator_set_voltage_time_sel()
4322 return _regulator_set_voltage_time(rdev, old_volt, new_volt); in regulator_set_voltage_time_sel()
4326 int regulator_sync_voltage_rdev(struct regulator_dev *rdev) in regulator_sync_voltage_rdev() argument
4330 regulator_lock(rdev); in regulator_sync_voltage_rdev()
4332 if (!rdev->desc->ops->set_voltage && in regulator_sync_voltage_rdev()
4333 !rdev->desc->ops->set_voltage_sel) { in regulator_sync_voltage_rdev()
4339 if (rdev->coupling_desc.n_coupled > 1) in regulator_sync_voltage_rdev()
4340 ret = regulator_balance_voltage(rdev, PM_SUSPEND_ON); in regulator_sync_voltage_rdev()
4345 regulator_unlock(rdev); in regulator_sync_voltage_rdev()
4359 struct regulator_dev *rdev = regulator->rdev; in regulator_sync_voltage() local
4363 regulator_lock(rdev); in regulator_sync_voltage()
4365 if (!rdev->desc->ops->set_voltage && in regulator_sync_voltage()
4366 !rdev->desc->ops->set_voltage_sel) { in regulator_sync_voltage()
4381 ret = regulator_check_voltage(rdev, &min_uV, &max_uV); in regulator_sync_voltage()
4385 ret = regulator_check_consumers(rdev, &min_uV, &max_uV, 0); in regulator_sync_voltage()
4390 if (rdev->coupling_desc.n_coupled > 1) in regulator_sync_voltage()
4391 ret = regulator_balance_voltage(rdev, PM_SUSPEND_ON); in regulator_sync_voltage()
4393 ret = _regulator_do_set_voltage(rdev, min_uV, max_uV); in regulator_sync_voltage()
4396 regulator_unlock(rdev); in regulator_sync_voltage()
4401 int regulator_get_voltage_rdev(struct regulator_dev *rdev) in regulator_get_voltage_rdev() argument
4406 if (rdev->desc->ops->get_bypass) { in regulator_get_voltage_rdev()
4407 ret = rdev->desc->ops->get_bypass(rdev, &bypassed); in regulator_get_voltage_rdev()
4412 if (!rdev->supply) { in regulator_get_voltage_rdev()
4413 rdev_err(rdev, in regulator_get_voltage_rdev()
4418 return regulator_get_voltage_rdev(rdev->supply->rdev); in regulator_get_voltage_rdev()
4422 if (rdev->desc->ops->get_voltage_sel) { in regulator_get_voltage_rdev()
4423 sel = rdev->desc->ops->get_voltage_sel(rdev); in regulator_get_voltage_rdev()
4426 ret = rdev->desc->ops->list_voltage(rdev, sel); in regulator_get_voltage_rdev()
4427 } else if (rdev->desc->ops->get_voltage) { in regulator_get_voltage_rdev()
4428 ret = rdev->desc->ops->get_voltage(rdev); in regulator_get_voltage_rdev()
4429 } else if (rdev->desc->ops->list_voltage) { in regulator_get_voltage_rdev()
4430 ret = rdev->desc->ops->list_voltage(rdev, 0); in regulator_get_voltage_rdev()
4431 } else if (rdev->desc->fixed_uV && (rdev->desc->n_voltages == 1)) { in regulator_get_voltage_rdev()
4432 ret = rdev->desc->fixed_uV; in regulator_get_voltage_rdev()
4433 } else if (rdev->supply) { in regulator_get_voltage_rdev()
4434 ret = regulator_get_voltage_rdev(rdev->supply->rdev); in regulator_get_voltage_rdev()
4435 } else if (rdev->supply_name) { in regulator_get_voltage_rdev()
4443 return ret - rdev->constraints->uV_offset; in regulator_get_voltage_rdev()
4461 regulator_lock_dependent(regulator->rdev, &ww_ctx); in regulator_get_voltage()
4462 ret = regulator_get_voltage_rdev(regulator->rdev); in regulator_get_voltage()
4463 regulator_unlock_dependent(regulator->rdev, &ww_ctx); in regulator_get_voltage()
4488 struct regulator_dev *rdev = regulator->rdev; in regulator_set_current_limit() local
4491 regulator_lock(rdev); in regulator_set_current_limit()
4494 if (!rdev->desc->ops->set_current_limit) { in regulator_set_current_limit()
4500 ret = regulator_check_current_limit(rdev, &min_uA, &max_uA); in regulator_set_current_limit()
4504 ret = rdev->desc->ops->set_current_limit(rdev, min_uA, max_uA); in regulator_set_current_limit()
4506 regulator_unlock(rdev); in regulator_set_current_limit()
4511 static int _regulator_get_current_limit_unlocked(struct regulator_dev *rdev) in _regulator_get_current_limit_unlocked() argument
4514 if (!rdev->desc->ops->get_current_limit) in _regulator_get_current_limit_unlocked()
4517 return rdev->desc->ops->get_current_limit(rdev); in _regulator_get_current_limit_unlocked()
4520 static int _regulator_get_current_limit(struct regulator_dev *rdev) in _regulator_get_current_limit() argument
4524 regulator_lock(rdev); in _regulator_get_current_limit()
4525 ret = _regulator_get_current_limit_unlocked(rdev); in _regulator_get_current_limit()
4526 regulator_unlock(rdev); in _regulator_get_current_limit()
4542 return _regulator_get_current_limit(regulator->rdev); in regulator_get_current_limit()
4559 struct regulator_dev *rdev = regulator->rdev; in regulator_set_mode() local
4563 regulator_lock(rdev); in regulator_set_mode()
4566 if (!rdev->desc->ops->set_mode) { in regulator_set_mode()
4572 if (rdev->desc->ops->get_mode) { in regulator_set_mode()
4573 regulator_curr_mode = rdev->desc->ops->get_mode(rdev); in regulator_set_mode()
4581 ret = regulator_mode_constrain(rdev, &mode); in regulator_set_mode()
4585 ret = rdev->desc->ops->set_mode(rdev, mode); in regulator_set_mode()
4587 regulator_unlock(rdev); in regulator_set_mode()
4592 static unsigned int _regulator_get_mode_unlocked(struct regulator_dev *rdev) in _regulator_get_mode_unlocked() argument
4595 if (!rdev->desc->ops->get_mode) in _regulator_get_mode_unlocked()
4598 return rdev->desc->ops->get_mode(rdev); in _regulator_get_mode_unlocked()
4601 static unsigned int _regulator_get_mode(struct regulator_dev *rdev) in _regulator_get_mode() argument
4605 regulator_lock(rdev); in _regulator_get_mode()
4606 ret = _regulator_get_mode_unlocked(rdev); in _regulator_get_mode()
4607 regulator_unlock(rdev); in _regulator_get_mode()
4620 return _regulator_get_mode(regulator->rdev); in regulator_get_mode()
4624 static int rdev_get_cached_err_flags(struct regulator_dev *rdev) in rdev_get_cached_err_flags() argument
4628 if (rdev->use_cached_err) { in rdev_get_cached_err_flags()
4629 spin_lock(&rdev->err_lock); in rdev_get_cached_err_flags()
4630 ret = rdev->cached_err; in rdev_get_cached_err_flags()
4631 spin_unlock(&rdev->err_lock); in rdev_get_cached_err_flags()
4636 static int _regulator_get_error_flags(struct regulator_dev *rdev, in _regulator_get_error_flags() argument
4641 regulator_lock(rdev); in _regulator_get_error_flags()
4643 cached_flags = rdev_get_cached_err_flags(rdev); in _regulator_get_error_flags()
4645 if (rdev->desc->ops->get_error_flags) in _regulator_get_error_flags()
4646 ret = rdev->desc->ops->get_error_flags(rdev, flags); in _regulator_get_error_flags()
4647 else if (!rdev->use_cached_err) in _regulator_get_error_flags()
4652 regulator_unlock(rdev); in _regulator_get_error_flags()
4667 return _regulator_get_error_flags(regulator->rdev, flags); in regulator_get_error_flags()
4707 struct regulator_dev *rdev = regulator->rdev; in regulator_set_load() local
4711 regulator_lock(rdev); in regulator_set_load()
4715 ret = drms_uA_update(rdev); in regulator_set_load()
4719 regulator_unlock(rdev); in regulator_set_load()
4738 struct regulator_dev *rdev = regulator->rdev; in regulator_allow_bypass() local
4739 const char *name = rdev_get_name(rdev); in regulator_allow_bypass()
4742 if (!rdev->desc->ops->set_bypass) in regulator_allow_bypass()
4745 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_BYPASS)) in regulator_allow_bypass()
4748 regulator_lock(rdev); in regulator_allow_bypass()
4751 rdev->bypass_count++; in regulator_allow_bypass()
4753 if (rdev->bypass_count == rdev->open_count) { in regulator_allow_bypass()
4756 ret = rdev->desc->ops->set_bypass(rdev, enable); in regulator_allow_bypass()
4758 rdev->bypass_count--; in regulator_allow_bypass()
4764 rdev->bypass_count--; in regulator_allow_bypass()
4766 if (rdev->bypass_count != rdev->open_count) { in regulator_allow_bypass()
4769 ret = rdev->desc->ops->set_bypass(rdev, enable); in regulator_allow_bypass()
4771 rdev->bypass_count++; in regulator_allow_bypass()
4780 regulator_unlock(rdev); in regulator_allow_bypass()
4796 return blocking_notifier_chain_register(®ulator->rdev->notifier, in regulator_register_notifier()
4811 return blocking_notifier_chain_unregister(®ulator->rdev->notifier, in regulator_unregister_notifier()
4819 static int _notifier_call_chain(struct regulator_dev *rdev, in _notifier_call_chain() argument
4823 return blocking_notifier_call_chain(&rdev->notifier, event, data); in _notifier_call_chain()
5034 int regulator_notifier_call_chain(struct regulator_dev *rdev, in regulator_notifier_call_chain() argument
5037 _notifier_call_chain(rdev, event, data); in regulator_notifier_call_chain()
5102 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_attr_is_visible() local
5103 const struct regulator_ops *ops = rdev->desc->ops; in regulator_attr_is_visible()
5114 if ((ops->get_voltage && ops->get_voltage(rdev) >= 0) || in regulator_attr_is_visible()
5115 (ops->get_voltage_sel && ops->get_voltage_sel(rdev) >= 0) || in regulator_attr_is_visible()
5116 (ops->list_voltage && ops->list_voltage(rdev, 0) >= 0) || in regulator_attr_is_visible()
5117 (rdev->desc->fixed_uV && rdev->desc->n_voltages == 1)) in regulator_attr_is_visible()
5129 return (rdev->ena_pin || ops->is_enabled) ? mode : 0; in regulator_attr_is_visible()
5176 struct regulator_dev *rdev = dev_get_drvdata(dev); in regulator_dev_release() local
5178 debugfs_remove_recursive(rdev->debugfs); in regulator_dev_release()
5179 kfree(rdev->constraints); in regulator_dev_release()
5180 of_node_put(rdev->dev.of_node); in regulator_dev_release()
5181 kfree(rdev); in regulator_dev_release()
5184 static void rdev_init_debugfs(struct regulator_dev *rdev) in rdev_init_debugfs() argument
5186 struct device *parent = rdev->dev.parent; in rdev_init_debugfs()
5187 const char *rname = rdev_get_name(rdev); in rdev_init_debugfs()
5191 if (parent && rname == rdev->desc->name) { in rdev_init_debugfs()
5197 rdev->debugfs = debugfs_create_dir(rname, debugfs_root); in rdev_init_debugfs()
5198 if (IS_ERR(rdev->debugfs)) in rdev_init_debugfs()
5199 rdev_dbg(rdev, "Failed to create debugfs directory\n"); in rdev_init_debugfs()
5201 debugfs_create_u32("use_count", 0444, rdev->debugfs, in rdev_init_debugfs()
5202 &rdev->use_count); in rdev_init_debugfs()
5203 debugfs_create_u32("open_count", 0444, rdev->debugfs, in rdev_init_debugfs()
5204 &rdev->open_count); in rdev_init_debugfs()
5205 debugfs_create_u32("bypass_count", 0444, rdev->debugfs, in rdev_init_debugfs()
5206 &rdev->bypass_count); in rdev_init_debugfs()
5211 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_register_resolve_supply() local
5213 if (regulator_resolve_supply(rdev)) in regulator_register_resolve_supply()
5214 rdev_dbg(rdev, "unable to resolve supply\n"); in regulator_register_resolve_supply()
5229 regulator_find_coupler(struct regulator_dev *rdev) in regulator_find_coupler() argument
5240 err = coupler->attach_regulator(coupler, rdev); in regulator_find_coupler()
5243 rdev->coupling_desc.n_coupled > 2) in regulator_find_coupler()
5262 coupler->detach_regulator(coupler, rdev); in regulator_find_coupler()
5264 rdev_err(rdev, in regulator_find_coupler()
5270 static void regulator_resolve_coupling(struct regulator_dev *rdev) in regulator_resolve_coupling() argument
5272 struct regulator_coupler *coupler = rdev->coupling_desc.coupler; in regulator_resolve_coupling()
5273 struct coupling_desc *c_desc = &rdev->coupling_desc; in regulator_resolve_coupling()
5283 c_rdev = of_parse_coupled_regulator(rdev, i - 1); in regulator_resolve_coupling()
5289 rdev_err(rdev, "coupler mismatch with %s\n", in regulator_resolve_coupling()
5301 static void regulator_remove_coupling(struct regulator_dev *rdev) in regulator_remove_coupling() argument
5303 struct regulator_coupler *coupler = rdev->coupling_desc.coupler; in regulator_remove_coupling()
5304 struct coupling_desc *__c_desc, *c_desc = &rdev->coupling_desc; in regulator_remove_coupling()
5326 if (__c_rdev == rdev) { in regulator_remove_coupling()
5340 err = coupler->detach_regulator(coupler, rdev); in regulator_remove_coupling()
5342 rdev_err(rdev, "failed to detach from coupler: %pe\n", in regulator_remove_coupling()
5346 kfree(rdev->coupling_desc.coupled_rdevs); in regulator_remove_coupling()
5347 rdev->coupling_desc.coupled_rdevs = NULL; in regulator_remove_coupling()
5350 static int regulator_init_coupling(struct regulator_dev *rdev) in regulator_init_coupling() argument
5358 n_phandles = of_get_n_coupled(rdev); in regulator_init_coupling()
5364 rdev->coupling_desc.coupled_rdevs = coupled; in regulator_init_coupling()
5370 rdev->coupling_desc.coupled_rdevs[0] = rdev; in regulator_init_coupling()
5371 rdev->coupling_desc.n_coupled = n_phandles + 1; in regulator_init_coupling()
5372 rdev->coupling_desc.n_resolved++; in regulator_init_coupling()
5378 if (!of_check_coupling_data(rdev)) in regulator_init_coupling()
5382 rdev->coupling_desc.coupler = regulator_find_coupler(rdev); in regulator_init_coupling()
5385 if (IS_ERR(rdev->coupling_desc.coupler)) { in regulator_init_coupling()
5386 err = PTR_ERR(rdev->coupling_desc.coupler); in regulator_init_coupling()
5387 rdev_err(rdev, "failed to get coupler: %pe\n", ERR_PTR(err)); in regulator_init_coupling()
5395 struct regulator_dev *rdev) in generic_coupler_attach() argument
5397 if (rdev->coupling_desc.n_coupled > 2) { in generic_coupler_attach()
5398 rdev_err(rdev, in generic_coupler_attach()
5403 if (!rdev->constraints->always_on) { in generic_coupler_attach()
5404 rdev_err(rdev, in generic_coupler_attach()
5432 struct regulator_dev *rdev; in regulator_register() local
5479 rdev = kzalloc(sizeof(struct regulator_dev), GFP_KERNEL); in regulator_register()
5480 if (rdev == NULL) { in regulator_register()
5484 device_initialize(&rdev->dev); in regulator_register()
5485 spin_lock_init(&rdev->err_lock); in regulator_register()
5498 &rdev->dev.of_node); in regulator_register()
5522 rdev->dev.of_node = of_node_get(config->of_node); in regulator_register()
5525 ww_mutex_init(&rdev->mutex, ®ulator_ww_class); in regulator_register()
5526 rdev->reg_data = config->driver_data; in regulator_register()
5527 rdev->owner = regulator_desc->owner; in regulator_register()
5528 rdev->desc = regulator_desc; in regulator_register()
5530 rdev->regmap = config->regmap; in regulator_register()
5532 rdev->regmap = dev_get_regmap(dev, NULL); in regulator_register()
5534 rdev->regmap = dev_get_regmap(dev->parent, NULL); in regulator_register()
5535 INIT_LIST_HEAD(&rdev->consumer_list); in regulator_register()
5536 INIT_LIST_HEAD(&rdev->list); in regulator_register()
5537 BLOCKING_INIT_NOTIFIER_HEAD(&rdev->notifier); in regulator_register()
5538 INIT_DELAYED_WORK(&rdev->disable_work, regulator_disable_work); in regulator_register()
5542 ret = init_data->regulator_init(rdev->reg_data); in regulator_register()
5548 ret = regulator_ena_gpio_request(rdev, config); in regulator_register()
5550 rdev_err(rdev, "Failed to request enable GPIO: %pe\n", in regulator_register()
5560 rdev->dev.class = ®ulator_class; in regulator_register()
5561 rdev->dev.parent = dev; in regulator_register()
5562 dev_set_name(&rdev->dev, "regulator.%lu", in regulator_register()
5564 dev_set_drvdata(&rdev->dev, rdev); in regulator_register()
5568 rdev->constraints = kmemdup(&init_data->constraints, in regulator_register()
5569 sizeof(*rdev->constraints), in regulator_register()
5572 rdev->constraints = kzalloc(sizeof(*rdev->constraints), in regulator_register()
5574 if (!rdev->constraints) { in regulator_register()
5580 rdev->supply_name = init_data->supply_regulator; in regulator_register()
5582 rdev->supply_name = regulator_desc->supply_name; in regulator_register()
5584 ret = set_machine_constraints(rdev); in regulator_register()
5593 rdev_dbg(rdev, "will resolve supply early: %s\n", in regulator_register()
5594 rdev->supply_name); in regulator_register()
5595 ret = regulator_resolve_supply(rdev); in regulator_register()
5597 ret = set_machine_constraints(rdev); in regulator_register()
5599 rdev_dbg(rdev, "unable to resolve supply early: %pe\n", in regulator_register()
5605 ret = regulator_init_coupling(rdev); in regulator_register()
5612 ret = set_consumer_device_supply(rdev, in regulator_register()
5623 if (!rdev->desc->ops->get_voltage && in regulator_register()
5624 !rdev->desc->ops->list_voltage && in regulator_register()
5625 !rdev->desc->fixed_uV) in regulator_register()
5626 rdev->is_switch = true; in regulator_register()
5628 ret = device_add(&rdev->dev); in regulator_register()
5632 rdev_init_debugfs(rdev); in regulator_register()
5636 regulator_resolve_coupling(rdev); in regulator_register()
5643 return rdev; in regulator_register()
5647 unset_regulator_supplies(rdev); in regulator_register()
5648 regulator_remove_coupling(rdev); in regulator_register()
5651 regulator_put(rdev->supply); in regulator_register()
5652 kfree(rdev->coupling_desc.coupled_rdevs); in regulator_register()
5654 regulator_ena_gpio_free(rdev); in regulator_register()
5660 put_device(&rdev->dev); in regulator_register()
5674 void regulator_unregister(struct regulator_dev *rdev) in regulator_unregister() argument
5676 if (rdev == NULL) in regulator_unregister()
5679 if (rdev->supply) { in regulator_unregister()
5680 while (rdev->use_count--) in regulator_unregister()
5681 regulator_disable(rdev->supply); in regulator_unregister()
5682 regulator_put(rdev->supply); in regulator_unregister()
5685 flush_work(&rdev->disable_work.work); in regulator_unregister()
5689 WARN_ON(rdev->open_count); in regulator_unregister()
5690 regulator_remove_coupling(rdev); in regulator_unregister()
5691 unset_regulator_supplies(rdev); in regulator_unregister()
5692 list_del(&rdev->list); in regulator_unregister()
5693 regulator_ena_gpio_free(rdev); in regulator_unregister()
5694 device_unregister(&rdev->dev); in regulator_unregister()
5709 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_suspend() local
5714 rstate = regulator_get_suspend_state_check(rdev, state); in regulator_suspend()
5718 regulator_lock(rdev); in regulator_suspend()
5719 ret = __suspend_set_state(rdev, rstate); in regulator_suspend()
5720 regulator_unlock(rdev); in regulator_suspend()
5728 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_resume() local
5732 rstate = regulator_get_suspend_state(rdev, state); in regulator_resume()
5737 if (!rdev->desc->ops->resume) in regulator_resume()
5740 regulator_lock(rdev); in regulator_resume()
5744 ret = rdev->desc->ops->resume(rdev); in regulator_resume()
5746 regulator_unlock(rdev); in regulator_resume()
5796 void *rdev_get_drvdata(struct regulator_dev *rdev) in rdev_get_drvdata() argument
5798 return rdev->reg_data; in rdev_get_drvdata()
5811 return regulator->rdev->reg_data; in regulator_get_drvdata()
5822 regulator->rdev->reg_data = data; in regulator_set_drvdata()
5830 int rdev_get_id(struct regulator_dev *rdev) in rdev_get_id() argument
5832 return rdev->desc->id; in rdev_get_id()
5836 struct device *rdev_get_dev(struct regulator_dev *rdev) in rdev_get_dev() argument
5838 return &rdev->dev; in rdev_get_dev()
5842 struct regmap *rdev_get_regmap(struct regulator_dev *rdev) in rdev_get_regmap() argument
5844 return rdev->regmap; in rdev_get_regmap()
5876 struct regulator_dev *rdev,
5881 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_summary_show_children() local
5884 if (rdev->supply && rdev->supply->rdev == summary_data->parent) in regulator_summary_show_children()
5885 regulator_summary_show_subtree(summary_data->s, rdev, in regulator_summary_show_children()
5892 struct regulator_dev *rdev, in regulator_summary_show_subtree() argument
5900 if (!rdev) in regulator_summary_show_subtree()
5903 opmode = _regulator_get_mode_unlocked(rdev); in regulator_summary_show_subtree()
5906 30 - level * 3, rdev_get_name(rdev), in regulator_summary_show_subtree()
5907 rdev->use_count, rdev->open_count, rdev->bypass_count, in regulator_summary_show_subtree()
5910 seq_printf(s, "%5dmV ", regulator_get_voltage_rdev(rdev) / 1000); in regulator_summary_show_subtree()
5912 _regulator_get_current_limit_unlocked(rdev) / 1000); in regulator_summary_show_subtree()
5914 c = rdev->constraints; in regulator_summary_show_subtree()
5916 switch (rdev->desc->type) { in regulator_summary_show_subtree()
5930 list_for_each_entry(consumer, &rdev->consumer_list, list) { in regulator_summary_show_subtree()
5940 switch (rdev->desc->type) { in regulator_summary_show_subtree()
5959 summary_data.parent = rdev; in regulator_summary_show_subtree()
5973 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_summary_lock_one() local
5977 if (rdev != *lock_data->old_contended_rdev) { in regulator_summary_lock_one()
5978 ret = regulator_lock_nested(rdev, lock_data->ww_ctx); in regulator_summary_lock_one()
5981 *lock_data->new_contended_rdev = rdev; in regulator_summary_lock_one()
5993 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_summary_unlock_one() local
5997 if (rdev == *lock_data->new_contended_rdev) in regulator_summary_unlock_one()
6001 regulator_unlock(rdev); in regulator_summary_unlock_one()
6067 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_summary_show_roots() local
6070 if (!rdev->supply) in regulator_summary_show_roots()
6071 regulator_summary_show_subtree(s, rdev, 0); in regulator_summary_show_roots()
6124 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_late_cleanup() local
6125 struct regulation_constraints *c = rdev->constraints; in regulator_late_cleanup()
6131 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_STATUS)) in regulator_late_cleanup()
6134 regulator_lock(rdev); in regulator_late_cleanup()
6136 if (rdev->use_count) in regulator_late_cleanup()
6140 if (_regulator_is_enabled(rdev) <= 0) in regulator_late_cleanup()
6147 rdev_info(rdev, "disabling\n"); in regulator_late_cleanup()
6148 ret = _regulator_do_disable(rdev); in regulator_late_cleanup()
6150 rdev_err(rdev, "couldn't disable: %pe\n", ERR_PTR(ret)); in regulator_late_cleanup()
6157 rdev_warn(rdev, "incomplete constraints, leaving on\n"); in regulator_late_cleanup()
6161 regulator_unlock(rdev); in regulator_late_cleanup()