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()
210 static bool regulator_supply_is_couple(struct regulator_dev *rdev) in regulator_supply_is_couple() argument
215 for (i = 1; i < rdev->coupling_desc.n_coupled; i++) { in regulator_supply_is_couple()
216 c_rdev = rdev->coupling_desc.coupled_rdevs[i]; in regulator_supply_is_couple()
218 if (rdev->supply->rdev == c_rdev) in regulator_supply_is_couple()
225 static void regulator_unlock_recursive(struct regulator_dev *rdev, in regulator_unlock_recursive() argument
232 c_rdev = rdev->coupling_desc.coupled_rdevs[i - 1]; in regulator_unlock_recursive()
238 supply_rdev = c_rdev->supply->rdev; in regulator_unlock_recursive()
249 static int regulator_lock_recursive(struct regulator_dev *rdev, in regulator_lock_recursive() argument
257 for (i = 0; i < rdev->coupling_desc.n_coupled; i++) { in regulator_lock_recursive()
258 c_rdev = rdev->coupling_desc.coupled_rdevs[i]; in regulator_lock_recursive()
279 err = regulator_lock_recursive(c_rdev->supply->rdev, in regulator_lock_recursive()
293 regulator_unlock_recursive(rdev, i); in regulator_lock_recursive()
306 static void regulator_unlock_dependent(struct regulator_dev *rdev, in regulator_unlock_dependent() argument
309 regulator_unlock_recursive(rdev, rdev->coupling_desc.n_coupled); in regulator_unlock_dependent()
321 static void regulator_lock_dependent(struct regulator_dev *rdev, in regulator_lock_dependent() argument
339 err = regulator_lock_recursive(rdev, in regulator_lock_dependent()
421 int regulator_check_voltage(struct regulator_dev *rdev, in regulator_check_voltage() argument
426 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_VOLTAGE)) { in regulator_check_voltage()
427 rdev_err(rdev, "voltage operation not allowed\n"); in regulator_check_voltage()
431 if (*max_uV > rdev->constraints->max_uV) in regulator_check_voltage()
432 *max_uV = rdev->constraints->max_uV; in regulator_check_voltage()
433 if (*min_uV < rdev->constraints->min_uV) in regulator_check_voltage()
434 *min_uV = rdev->constraints->min_uV; in regulator_check_voltage()
437 rdev_err(rdev, "unsupportable voltage range: %d-%duV\n", in regulator_check_voltage()
454 int regulator_check_consumers(struct regulator_dev *rdev, in regulator_check_consumers() argument
461 list_for_each_entry(regulator, &rdev->consumer_list, list) { in regulator_check_consumers()
477 rdev_err(rdev, "Restricting voltage, %u-%uuV\n", in regulator_check_consumers()
486 static int regulator_check_current_limit(struct regulator_dev *rdev, in regulator_check_current_limit() argument
491 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_CURRENT)) { in regulator_check_current_limit()
492 rdev_err(rdev, "current operation not allowed\n"); in regulator_check_current_limit()
496 if (*max_uA > rdev->constraints->max_uA) in regulator_check_current_limit()
497 *max_uA = rdev->constraints->max_uA; in regulator_check_current_limit()
498 if (*min_uA < rdev->constraints->min_uA) in regulator_check_current_limit()
499 *min_uA = rdev->constraints->min_uA; in regulator_check_current_limit()
502 rdev_err(rdev, "unsupportable current range: %d-%duA\n", in regulator_check_current_limit()
511 static int regulator_mode_constrain(struct regulator_dev *rdev, in regulator_mode_constrain() argument
521 rdev_err(rdev, "invalid mode %x specified\n", *mode); in regulator_mode_constrain()
525 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_MODE)) { in regulator_mode_constrain()
526 rdev_err(rdev, "mode operation not allowed\n"); in regulator_mode_constrain()
535 if (rdev->constraints->valid_modes_mask & *mode) in regulator_mode_constrain()
544 regulator_get_suspend_state(struct regulator_dev *rdev, suspend_state_t state) in regulator_get_suspend_state() argument
546 if (rdev->constraints == NULL) in regulator_get_suspend_state()
551 return &rdev->constraints->state_standby; in regulator_get_suspend_state()
553 return &rdev->constraints->state_mem; in regulator_get_suspend_state()
555 return &rdev->constraints->state_disk; in regulator_get_suspend_state()
562 regulator_get_suspend_state_check(struct regulator_dev *rdev, suspend_state_t state) in regulator_get_suspend_state_check() argument
566 rstate = regulator_get_suspend_state(rdev, state); in regulator_get_suspend_state_check()
576 if (rdev->desc->ops->set_suspend_voltage || in regulator_get_suspend_state_check()
577 rdev->desc->ops->set_suspend_mode) in regulator_get_suspend_state_check()
578 rdev_warn(rdev, "No configuration\n"); in regulator_get_suspend_state_check()
588 struct regulator_dev *rdev = dev_get_drvdata(dev); in microvolts_show() local
591 regulator_lock(rdev); in microvolts_show()
592 uV = regulator_get_voltage_rdev(rdev); in microvolts_show()
593 regulator_unlock(rdev); in microvolts_show()
604 struct regulator_dev *rdev = dev_get_drvdata(dev); in microamps_show() local
606 return sprintf(buf, "%d\n", _regulator_get_current_limit(rdev)); in microamps_show()
613 struct regulator_dev *rdev = dev_get_drvdata(dev); in name_show() local
615 return sprintf(buf, "%s\n", rdev_get_name(rdev)); in name_show()
642 struct regulator_dev *rdev = dev_get_drvdata(dev); in opmode_show() local
644 return regulator_print_opmode(buf, _regulator_get_mode(rdev)); in opmode_show()
661 struct regulator_dev *rdev = dev_get_drvdata(dev); in state_show() local
664 regulator_lock(rdev); in state_show()
665 ret = regulator_print_state(buf, _regulator_is_enabled(rdev)); in state_show()
666 regulator_unlock(rdev); in state_show()
675 struct regulator_dev *rdev = dev_get_drvdata(dev); in status_show() local
679 status = rdev->desc->ops->get_status(rdev); in status_show()
722 struct regulator_dev *rdev = dev_get_drvdata(dev); in min_microamps_show() local
724 if (!rdev->constraints) in min_microamps_show()
727 return sprintf(buf, "%d\n", rdev->constraints->min_uA); in min_microamps_show()
734 struct regulator_dev *rdev = dev_get_drvdata(dev); in max_microamps_show() local
736 if (!rdev->constraints) in max_microamps_show()
739 return sprintf(buf, "%d\n", rdev->constraints->max_uA); in max_microamps_show()
746 struct regulator_dev *rdev = dev_get_drvdata(dev); in min_microvolts_show() local
748 if (!rdev->constraints) in min_microvolts_show()
751 return sprintf(buf, "%d\n", rdev->constraints->min_uV); in min_microvolts_show()
758 struct regulator_dev *rdev = dev_get_drvdata(dev); in max_microvolts_show() local
760 if (!rdev->constraints) in max_microvolts_show()
763 return sprintf(buf, "%d\n", rdev->constraints->max_uV); in max_microvolts_show()
770 struct regulator_dev *rdev = dev_get_drvdata(dev); in requested_microamps_show() local
774 regulator_lock(rdev); in requested_microamps_show()
775 list_for_each_entry(regulator, &rdev->consumer_list, list) { in requested_microamps_show()
779 regulator_unlock(rdev); in requested_microamps_show()
787 struct regulator_dev *rdev = dev_get_drvdata(dev); in num_users_show() local
788 return sprintf(buf, "%d\n", rdev->use_count); in num_users_show()
795 struct regulator_dev *rdev = dev_get_drvdata(dev); in type_show() local
797 switch (rdev->desc->type) { in type_show()
810 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_mem_microvolts_show() local
812 return sprintf(buf, "%d\n", rdev->constraints->state_mem.uV); in suspend_mem_microvolts_show()
819 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_disk_microvolts_show() local
821 return sprintf(buf, "%d\n", rdev->constraints->state_disk.uV); in suspend_disk_microvolts_show()
828 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_standby_microvolts_show() local
830 return sprintf(buf, "%d\n", rdev->constraints->state_standby.uV); in suspend_standby_microvolts_show()
837 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_mem_mode_show() local
840 rdev->constraints->state_mem.mode); in suspend_mem_mode_show()
847 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_disk_mode_show() local
850 rdev->constraints->state_disk.mode); in suspend_disk_mode_show()
857 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_standby_mode_show() local
860 rdev->constraints->state_standby.mode); in suspend_standby_mode_show()
867 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_mem_state_show() local
870 rdev->constraints->state_mem.enabled); in suspend_mem_state_show()
877 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_disk_state_show() local
880 rdev->constraints->state_disk.enabled); in suspend_disk_state_show()
887 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_standby_state_show() local
890 rdev->constraints->state_standby.enabled); in suspend_standby_state_show()
897 struct regulator_dev *rdev = dev_get_drvdata(dev); in bypass_show() local
902 ret = rdev->desc->ops->get_bypass(rdev, &bypass); in bypass_show()
921 struct regulator_dev *rdev = dev_get_drvdata(dev); \
922 ret = _regulator_get_error_flags(rdev, &flags); \
942 static int drms_uA_update(struct regulator_dev *rdev) in drms_uA_update() argument
952 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_DRMS)) { in drms_uA_update()
953 rdev_dbg(rdev, "DRMS operation not allowed\n"); in drms_uA_update()
957 if (!rdev->desc->ops->get_optimum_mode && in drms_uA_update()
958 !rdev->desc->ops->set_load) in drms_uA_update()
961 if (!rdev->desc->ops->set_mode && in drms_uA_update()
962 !rdev->desc->ops->set_load) in drms_uA_update()
966 list_for_each_entry(sibling, &rdev->consumer_list, list) { in drms_uA_update()
971 current_uA += rdev->constraints->system_load; in drms_uA_update()
973 if (rdev->desc->ops->set_load) { in drms_uA_update()
975 err = rdev->desc->ops->set_load(rdev, current_uA); in drms_uA_update()
977 rdev_err(rdev, "failed to set load %d: %pe\n", in drms_uA_update()
987 if (!rdev->constraints->valid_modes_mask) { in drms_uA_update()
988 rdev_dbg(rdev, "Can change modes; but no valid mode\n"); in drms_uA_update()
993 output_uV = regulator_get_voltage_rdev(rdev); in drms_uA_update()
1000 rdev_dbg(rdev, "invalid output voltage found\n"); in drms_uA_update()
1004 if (rdev->supply) in drms_uA_update()
1005 input_uV = regulator_get_voltage(rdev->supply); in drms_uA_update()
1007 input_uV = rdev->constraints->input_uV; in drms_uA_update()
1014 rdev_dbg(rdev, "invalid input voltage found\n"); in drms_uA_update()
1017 mode = rdev->desc->ops->get_optimum_mode(rdev, input_uV, in drms_uA_update()
1021 err = regulator_mode_constrain(rdev, &mode); in drms_uA_update()
1023 rdev_err(rdev, "failed to get optimum mode @ %d uA %d -> %d uV: %pe\n", in drms_uA_update()
1028 err = rdev->desc->ops->set_mode(rdev, mode); in drms_uA_update()
1030 rdev_err(rdev, "failed to set optimum mode %x: %pe\n", in drms_uA_update()
1037 static int __suspend_set_state(struct regulator_dev *rdev, in __suspend_set_state() argument
1043 rdev->desc->ops->set_suspend_enable) in __suspend_set_state()
1044 ret = rdev->desc->ops->set_suspend_enable(rdev); in __suspend_set_state()
1046 rdev->desc->ops->set_suspend_disable) in __suspend_set_state()
1047 ret = rdev->desc->ops->set_suspend_disable(rdev); in __suspend_set_state()
1052 rdev_err(rdev, "failed to enabled/disable: %pe\n", ERR_PTR(ret)); in __suspend_set_state()
1056 if (rdev->desc->ops->set_suspend_voltage && rstate->uV > 0) { in __suspend_set_state()
1057 ret = rdev->desc->ops->set_suspend_voltage(rdev, rstate->uV); in __suspend_set_state()
1059 rdev_err(rdev, "failed to set voltage: %pe\n", ERR_PTR(ret)); in __suspend_set_state()
1064 if (rdev->desc->ops->set_suspend_mode && rstate->mode > 0) { in __suspend_set_state()
1065 ret = rdev->desc->ops->set_suspend_mode(rdev, rstate->mode); in __suspend_set_state()
1067 rdev_err(rdev, "failed to set mode: %pe\n", ERR_PTR(ret)); in __suspend_set_state()
1075 static int suspend_set_initial_state(struct regulator_dev *rdev) in suspend_set_initial_state() argument
1079 rstate = regulator_get_suspend_state_check(rdev, in suspend_set_initial_state()
1080 rdev->constraints->initial_state); in suspend_set_initial_state()
1084 return __suspend_set_state(rdev, rstate); in suspend_set_initial_state()
1088 static void print_constraints_debug(struct regulator_dev *rdev) in print_constraints_debug() argument
1090 struct regulation_constraints *constraints = rdev->constraints; in print_constraints_debug()
1109 ret = regulator_get_voltage_rdev(rdev); in print_constraints_debug()
1132 ret = _regulator_get_current_limit(rdev); in print_constraints_debug()
1153 _regulator_is_enabled(rdev) ? "enabled" : "disabled"); in print_constraints_debug()
1155 rdev_dbg(rdev, "%s\n", buf); in print_constraints_debug()
1158 static inline void print_constraints_debug(struct regulator_dev *rdev) {} in print_constraints_debug() argument
1161 static void print_constraints(struct regulator_dev *rdev) in print_constraints() argument
1163 struct regulation_constraints *constraints = rdev->constraints; in print_constraints()
1165 print_constraints_debug(rdev); in print_constraints()
1168 !regulator_ops_is_valid(rdev, REGULATOR_CHANGE_VOLTAGE)) in print_constraints()
1169 rdev_warn(rdev, in print_constraints()
1173 static int machine_constraints_voltage(struct regulator_dev *rdev, in machine_constraints_voltage() argument
1176 const struct regulator_ops *ops = rdev->desc->ops; in machine_constraints_voltage()
1180 if (rdev->constraints->apply_uV && in machine_constraints_voltage()
1181 rdev->constraints->min_uV && rdev->constraints->max_uV) { in machine_constraints_voltage()
1183 int current_uV = regulator_get_voltage_rdev(rdev); in machine_constraints_voltage()
1187 rdev_info(rdev, "Setting %d-%duV\n", in machine_constraints_voltage()
1188 rdev->constraints->min_uV, in machine_constraints_voltage()
1189 rdev->constraints->max_uV); in machine_constraints_voltage()
1190 _regulator_do_set_voltage(rdev, in machine_constraints_voltage()
1191 rdev->constraints->min_uV, in machine_constraints_voltage()
1192 rdev->constraints->max_uV); in machine_constraints_voltage()
1193 current_uV = regulator_get_voltage_rdev(rdev); in machine_constraints_voltage()
1198 rdev_err(rdev, in machine_constraints_voltage()
1212 if (current_uV < rdev->constraints->min_uV) { in machine_constraints_voltage()
1213 target_min = rdev->constraints->min_uV; in machine_constraints_voltage()
1214 target_max = rdev->constraints->min_uV; in machine_constraints_voltage()
1217 if (current_uV > rdev->constraints->max_uV) { in machine_constraints_voltage()
1218 target_min = rdev->constraints->max_uV; in machine_constraints_voltage()
1219 target_max = rdev->constraints->max_uV; in machine_constraints_voltage()
1223 rdev_info(rdev, "Bringing %duV into %d-%duV\n", in machine_constraints_voltage()
1226 rdev, target_min, target_max); in machine_constraints_voltage()
1228 rdev_err(rdev, in machine_constraints_voltage()
1239 if (ops->list_voltage && rdev->desc->n_voltages) { in machine_constraints_voltage()
1240 int count = rdev->desc->n_voltages; in machine_constraints_voltage()
1263 rdev_err(rdev, "invalid voltage constraints\n"); in machine_constraints_voltage()
1268 if (rdev->desc->continuous_voltage_range) in machine_constraints_voltage()
1275 value = ops->list_voltage(rdev, i); in machine_constraints_voltage()
1288 rdev_err(rdev, in machine_constraints_voltage()
1296 rdev_dbg(rdev, "override min_uV, %d -> %d\n", in machine_constraints_voltage()
1301 rdev_dbg(rdev, "override max_uV, %d -> %d\n", in machine_constraints_voltage()
1310 static int machine_constraints_current(struct regulator_dev *rdev, in machine_constraints_current() argument
1313 const struct regulator_ops *ops = rdev->desc->ops; in machine_constraints_current()
1320 rdev_err(rdev, "Invalid current constraints\n"); in machine_constraints_current()
1325 rdev_warn(rdev, "Operation of current configuration missing\n"); in machine_constraints_current()
1330 ret = ops->set_current_limit(rdev, constraints->min_uA, in machine_constraints_current()
1333 rdev_err(rdev, "Failed to set current constraint, %d\n", ret); in machine_constraints_current()
1340 static int _regulator_do_enable(struct regulator_dev *rdev);
1342 static int notif_set_limit(struct regulator_dev *rdev, in notif_set_limit() argument
1358 return set(rdev, limit, severity, enable); in notif_set_limit()
1361 static int handle_notify_limits(struct regulator_dev *rdev, in handle_notify_limits() argument
1371 ret = notif_set_limit(rdev, set, limits->prot, in handle_notify_limits()
1377 ret = notif_set_limit(rdev, set, limits->err, in handle_notify_limits()
1383 ret = notif_set_limit(rdev, set, limits->warn, in handle_notify_limits()
1398 static int set_machine_constraints(struct regulator_dev *rdev) in set_machine_constraints() argument
1401 const struct regulator_ops *ops = rdev->desc->ops; in set_machine_constraints()
1403 ret = machine_constraints_voltage(rdev, rdev->constraints); in set_machine_constraints()
1407 ret = machine_constraints_current(rdev, rdev->constraints); in set_machine_constraints()
1411 if (rdev->constraints->ilim_uA && ops->set_input_current_limit) { in set_machine_constraints()
1412 ret = ops->set_input_current_limit(rdev, in set_machine_constraints()
1413 rdev->constraints->ilim_uA); in set_machine_constraints()
1415 rdev_err(rdev, "failed to set input limit: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1421 if (rdev->constraints->initial_state) { in set_machine_constraints()
1422 ret = suspend_set_initial_state(rdev); in set_machine_constraints()
1424 rdev_err(rdev, "failed to set suspend state: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1429 if (rdev->constraints->initial_mode) { in set_machine_constraints()
1431 rdev_err(rdev, "no set_mode operation\n"); in set_machine_constraints()
1435 ret = ops->set_mode(rdev, rdev->constraints->initial_mode); in set_machine_constraints()
1437 rdev_err(rdev, "failed to set initial mode: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1440 } else if (rdev->constraints->system_load) { in set_machine_constraints()
1445 drms_uA_update(rdev); in set_machine_constraints()
1448 if ((rdev->constraints->ramp_delay || rdev->constraints->ramp_disable) in set_machine_constraints()
1450 ret = ops->set_ramp_delay(rdev, rdev->constraints->ramp_delay); in set_machine_constraints()
1452 rdev_err(rdev, "failed to set ramp_delay: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1457 if (rdev->constraints->pull_down && ops->set_pull_down) { in set_machine_constraints()
1458 ret = ops->set_pull_down(rdev); in set_machine_constraints()
1460 rdev_err(rdev, "failed to set pull down: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1465 if (rdev->constraints->soft_start && ops->set_soft_start) { in set_machine_constraints()
1466 ret = ops->set_soft_start(rdev); in set_machine_constraints()
1468 rdev_err(rdev, "failed to set soft start: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1487 if (rdev->constraints->over_current_protection in set_machine_constraints()
1489 int lim = rdev->constraints->over_curr_limits.prot; in set_machine_constraints()
1491 ret = ops->set_over_current_protection(rdev, lim, in set_machine_constraints()
1495 rdev_err(rdev, "failed to set over current protection: %pe\n", in set_machine_constraints()
1501 if (rdev->constraints->over_current_detection) in set_machine_constraints()
1502 ret = handle_notify_limits(rdev, in set_machine_constraints()
1504 &rdev->constraints->over_curr_limits); in set_machine_constraints()
1507 rdev_err(rdev, "failed to set over current limits: %pe\n", in set_machine_constraints()
1511 rdev_warn(rdev, in set_machine_constraints()
1515 if (rdev->constraints->over_voltage_detection) in set_machine_constraints()
1516 ret = handle_notify_limits(rdev, in set_machine_constraints()
1518 &rdev->constraints->over_voltage_limits); in set_machine_constraints()
1521 rdev_err(rdev, "failed to set over voltage limits %pe\n", in set_machine_constraints()
1525 rdev_warn(rdev, in set_machine_constraints()
1529 if (rdev->constraints->under_voltage_detection) in set_machine_constraints()
1530 ret = handle_notify_limits(rdev, in set_machine_constraints()
1532 &rdev->constraints->under_voltage_limits); in set_machine_constraints()
1535 rdev_err(rdev, "failed to set under voltage limits %pe\n", in set_machine_constraints()
1539 rdev_warn(rdev, in set_machine_constraints()
1543 if (rdev->constraints->over_temp_detection) in set_machine_constraints()
1544 ret = handle_notify_limits(rdev, in set_machine_constraints()
1546 &rdev->constraints->temp_limits); in set_machine_constraints()
1549 rdev_err(rdev, "failed to set temperature limits %pe\n", in set_machine_constraints()
1553 rdev_warn(rdev, in set_machine_constraints()
1557 if (rdev->constraints->active_discharge && ops->set_active_discharge) { in set_machine_constraints()
1558 bool ad_state = (rdev->constraints->active_discharge == in set_machine_constraints()
1561 ret = ops->set_active_discharge(rdev, ad_state); in set_machine_constraints()
1563 rdev_err(rdev, "failed to set active discharge: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1575 if (!rdev->ena_pin && !ops->enable) { in set_machine_constraints()
1576 if (rdev->supply_name && !rdev->supply) in set_machine_constraints()
1579 if (rdev->supply) in set_machine_constraints()
1580 rdev->constraints->always_on = in set_machine_constraints()
1581 rdev->supply->rdev->constraints->always_on; in set_machine_constraints()
1583 rdev->constraints->always_on = true; in set_machine_constraints()
1586 if (rdev->desc->off_on_delay) in set_machine_constraints()
1587 rdev->last_off = ktime_get(); in set_machine_constraints()
1592 if (rdev->constraints->always_on || rdev->constraints->boot_on) { in set_machine_constraints()
1596 if (rdev->supply_name && !rdev->supply) in set_machine_constraints()
1599 if (rdev->supply) { in set_machine_constraints()
1600 ret = regulator_enable(rdev->supply); in set_machine_constraints()
1602 _regulator_put(rdev->supply); in set_machine_constraints()
1603 rdev->supply = NULL; in set_machine_constraints()
1608 ret = _regulator_do_enable(rdev); in set_machine_constraints()
1610 rdev_err(rdev, "failed to enable: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1614 if (rdev->constraints->always_on) in set_machine_constraints()
1615 rdev->use_count++; in set_machine_constraints()
1618 print_constraints(rdev); in set_machine_constraints()
1631 static int set_supply(struct regulator_dev *rdev, in set_supply() argument
1636 rdev_dbg(rdev, "supplied by %s\n", rdev_get_name(supply_rdev)); in set_supply()
1641 rdev->supply = create_regulator(supply_rdev, &rdev->dev, "SUPPLY"); in set_supply()
1642 if (rdev->supply == NULL) { in set_supply()
1662 static int set_consumer_device_supply(struct regulator_dev *rdev, in set_consumer_device_supply() argument
1681 new_node->regulator = rdev; in set_consumer_device_supply()
1709 dev_name(&rdev->dev), rdev_get_name(rdev)); in set_consumer_device_supply()
1725 static void unset_regulator_supplies(struct regulator_dev *rdev) in unset_regulator_supplies() argument
1730 if (rdev == node->regulator) { in unset_regulator_supplies()
1744 const struct regulation_constraints *c = regulator->rdev->constraints; in constraint_flags_read_file()
1789 static struct regulator *create_regulator(struct regulator_dev *rdev, in create_regulator() argument
1820 regulator->rdev = rdev; in create_regulator()
1823 regulator_lock(rdev); in create_regulator()
1824 list_add(®ulator->list, &rdev->consumer_list); in create_regulator()
1825 regulator_unlock(rdev); in create_regulator()
1831 err = sysfs_create_link_nowarn(&rdev->dev.kobj, &dev->kobj, in create_regulator()
1834 rdev_dbg(rdev, "could not add device link %s: %pe\n", in create_regulator()
1841 regulator->debugfs = debugfs_create_dir(supply_name, rdev->debugfs); in create_regulator()
1843 rdev_dbg(rdev, "Failed to create debugfs directory\n"); in create_regulator()
1861 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_STATUS) && in create_regulator()
1862 _regulator_is_enabled(rdev)) in create_regulator()
1868 static int _regulator_get_enable_time(struct regulator_dev *rdev) in _regulator_get_enable_time() argument
1870 if (rdev->constraints && rdev->constraints->enable_time) in _regulator_get_enable_time()
1871 return rdev->constraints->enable_time; in _regulator_get_enable_time()
1872 if (rdev->desc->ops->enable_time) in _regulator_get_enable_time()
1873 return rdev->desc->ops->enable_time(rdev); in _regulator_get_enable_time()
1874 return rdev->desc->enable_time; in _regulator_get_enable_time()
1986 static int regulator_resolve_supply(struct regulator_dev *rdev) in regulator_resolve_supply() argument
1989 struct device *dev = rdev->dev.parent; in regulator_resolve_supply()
1993 if (!rdev->supply_name) in regulator_resolve_supply()
1997 if (rdev->supply) in regulator_resolve_supply()
2000 r = regulator_dev_lookup(dev, rdev->supply_name); in regulator_resolve_supply()
2013 rdev->supply_name, rdev->desc->name); in regulator_resolve_supply()
2019 if (r == rdev) { in regulator_resolve_supply()
2021 rdev->desc->name, rdev->supply_name); in regulator_resolve_supply()
2036 if (r->dev.parent && r->dev.parent != rdev->dev.parent) { in regulator_resolve_supply()
2056 regulator_lock(rdev); in regulator_resolve_supply()
2059 if (rdev->supply) { in regulator_resolve_supply()
2060 regulator_unlock(rdev); in regulator_resolve_supply()
2065 ret = set_supply(rdev, r); in regulator_resolve_supply()
2067 regulator_unlock(rdev); in regulator_resolve_supply()
2072 regulator_unlock(rdev); in regulator_resolve_supply()
2079 if (rdev->use_count) { in regulator_resolve_supply()
2080 ret = regulator_enable(rdev->supply); in regulator_resolve_supply()
2082 _regulator_put(rdev->supply); in regulator_resolve_supply()
2083 rdev->supply = NULL; in regulator_resolve_supply()
2096 struct regulator_dev *rdev; in _regulator_get() local
2111 rdev = regulator_dev_lookup(dev, id); in _regulator_get()
2112 if (IS_ERR(rdev)) { in _regulator_get()
2113 ret = PTR_ERR(rdev); in _regulator_get()
2136 rdev = dummy_regulator_rdev; in _regulator_get()
2137 get_device(&rdev->dev); in _regulator_get()
2150 if (rdev->exclusive) { in _regulator_get()
2152 put_device(&rdev->dev); in _regulator_get()
2156 if (get_type == EXCLUSIVE_GET && rdev->open_count) { in _regulator_get()
2158 put_device(&rdev->dev); in _regulator_get()
2163 ret = (rdev->coupling_desc.n_resolved != rdev->coupling_desc.n_coupled); in _regulator_get()
2168 put_device(&rdev->dev); in _regulator_get()
2172 ret = regulator_resolve_supply(rdev); in _regulator_get()
2175 put_device(&rdev->dev); in _regulator_get()
2179 if (!try_module_get(rdev->owner)) { in _regulator_get()
2181 put_device(&rdev->dev); in _regulator_get()
2185 regulator = create_regulator(rdev, dev, id); in _regulator_get()
2188 module_put(rdev->owner); in _regulator_get()
2189 put_device(&rdev->dev); in _regulator_get()
2193 rdev->open_count++; in _regulator_get()
2195 rdev->exclusive = 1; in _regulator_get()
2197 ret = _regulator_is_enabled(rdev); in _regulator_get()
2199 rdev->use_count = 1; in _regulator_get()
2202 rdev->use_count = 0; in _regulator_get()
2207 link = device_link_add(dev, &rdev->dev, DL_FLAG_STATELESS); in _regulator_get()
2288 struct regulator_dev *rdev = regulator->rdev; in destroy_regulator() local
2294 device_link_remove(regulator->dev, &rdev->dev); in destroy_regulator()
2297 sysfs_remove_link(&rdev->dev.kobj, regulator->supply_name); in destroy_regulator()
2300 regulator_lock(rdev); in destroy_regulator()
2303 rdev->open_count--; in destroy_regulator()
2304 rdev->exclusive = 0; in destroy_regulator()
2305 regulator_unlock(rdev); in destroy_regulator()
2314 struct regulator_dev *rdev; in _regulator_put() local
2324 rdev = regulator->rdev; in _regulator_put()
2328 module_put(rdev->owner); in _regulator_put()
2329 put_device(&rdev->dev); in _regulator_put()
2478 static int regulator_ena_gpio_request(struct regulator_dev *rdev, in regulator_ena_gpio_request() argument
2491 rdev_dbg(rdev, "GPIO is already used\n"); in regulator_ena_gpio_request()
2509 rdev->ena_pin = pin; in regulator_ena_gpio_request()
2517 static void regulator_ena_gpio_free(struct regulator_dev *rdev) in regulator_ena_gpio_free() argument
2521 if (!rdev->ena_pin) in regulator_ena_gpio_free()
2526 if (pin != rdev->ena_pin) in regulator_ena_gpio_free()
2538 rdev->ena_pin = NULL; in regulator_ena_gpio_free()
2549 static int regulator_ena_gpio_ctrl(struct regulator_dev *rdev, bool enable) in regulator_ena_gpio_ctrl() argument
2551 struct regulator_enable_gpio *pin = rdev->ena_pin; in regulator_ena_gpio_ctrl()
2629 static inline int _regulator_check_status_enabled(struct regulator_dev *rdev) in _regulator_check_status_enabled() argument
2631 int ret = rdev->desc->ops->get_status(rdev); in _regulator_check_status_enabled()
2634 rdev_info(rdev, "get_status returned error: %d\n", ret); in _regulator_check_status_enabled()
2648 static int _regulator_do_enable(struct regulator_dev *rdev) in _regulator_do_enable() argument
2653 ret = _regulator_get_enable_time(rdev); in _regulator_do_enable()
2657 rdev_warn(rdev, "enable_time() failed: %pe\n", ERR_PTR(ret)); in _regulator_do_enable()
2661 trace_regulator_enable(rdev_get_name(rdev)); in _regulator_do_enable()
2663 if (rdev->desc->off_on_delay && rdev->last_off) { in _regulator_do_enable()
2667 ktime_t end = ktime_add_us(rdev->last_off, rdev->desc->off_on_delay); in _regulator_do_enable()
2674 if (rdev->ena_pin) { in _regulator_do_enable()
2675 if (!rdev->ena_gpio_state) { in _regulator_do_enable()
2676 ret = regulator_ena_gpio_ctrl(rdev, true); in _regulator_do_enable()
2679 rdev->ena_gpio_state = 1; in _regulator_do_enable()
2681 } else if (rdev->desc->ops->enable) { in _regulator_do_enable()
2682 ret = rdev->desc->ops->enable(rdev); in _regulator_do_enable()
2693 trace_regulator_enable_delay(rdev_get_name(rdev)); in _regulator_do_enable()
2701 if (rdev->desc->poll_enabled_time) { in _regulator_do_enable()
2705 _regulator_delay_helper(rdev->desc->poll_enabled_time); in _regulator_do_enable()
2707 if (rdev->desc->ops->get_status) { in _regulator_do_enable()
2708 ret = _regulator_check_status_enabled(rdev); in _regulator_do_enable()
2713 } else if (rdev->desc->ops->is_enabled(rdev)) in _regulator_do_enable()
2716 time_remaining -= rdev->desc->poll_enabled_time; in _regulator_do_enable()
2720 rdev_err(rdev, "Enabled check timed out\n"); in _regulator_do_enable()
2727 trace_regulator_enable_complete(rdev_get_name(rdev)); in _regulator_do_enable()
2755 struct regulator_dev *rdev = regulator->rdev; in _regulator_handle_consumer_enable() local
2757 lockdep_assert_held_once(&rdev->mutex.base); in _regulator_handle_consumer_enable()
2761 ret = drms_uA_update(rdev); in _regulator_handle_consumer_enable()
2780 struct regulator_dev *rdev = regulator->rdev; in _regulator_handle_consumer_disable() local
2782 lockdep_assert_held_once(&rdev->mutex.base); in _regulator_handle_consumer_disable()
2785 rdev_err(rdev, "Underflow of regulator enable count\n"); in _regulator_handle_consumer_disable()
2791 return drms_uA_update(rdev); in _regulator_handle_consumer_disable()
2799 struct regulator_dev *rdev = regulator->rdev; in _regulator_enable() local
2802 lockdep_assert_held_once(&rdev->mutex.base); in _regulator_enable()
2804 if (rdev->use_count == 0 && rdev->supply) { in _regulator_enable()
2805 ret = _regulator_enable(rdev->supply); in _regulator_enable()
2811 if (rdev->coupling_desc.n_coupled > 1) { in _regulator_enable()
2812 ret = regulator_balance_voltage(rdev, PM_SUSPEND_ON); in _regulator_enable()
2821 if (rdev->use_count == 0) { in _regulator_enable()
2826 ret = _regulator_is_enabled(rdev); in _regulator_enable()
2828 if (!regulator_ops_is_valid(rdev, in _regulator_enable()
2834 ret = _regulator_do_enable(rdev); in _regulator_enable()
2838 _notifier_call_chain(rdev, REGULATOR_EVENT_ENABLE, in _regulator_enable()
2841 rdev_err(rdev, "is_enabled() failed: %pe\n", ERR_PTR(ret)); in _regulator_enable()
2847 rdev->use_count++; in _regulator_enable()
2855 if (rdev->use_count == 0 && rdev->supply) in _regulator_enable()
2856 _regulator_disable(rdev->supply); in _regulator_enable()
2874 struct regulator_dev *rdev = regulator->rdev; in regulator_enable() local
2878 regulator_lock_dependent(rdev, &ww_ctx); in regulator_enable()
2880 regulator_unlock_dependent(rdev, &ww_ctx); in regulator_enable()
2886 static int _regulator_do_disable(struct regulator_dev *rdev) in _regulator_do_disable() argument
2890 trace_regulator_disable(rdev_get_name(rdev)); in _regulator_do_disable()
2892 if (rdev->ena_pin) { in _regulator_do_disable()
2893 if (rdev->ena_gpio_state) { in _regulator_do_disable()
2894 ret = regulator_ena_gpio_ctrl(rdev, false); in _regulator_do_disable()
2897 rdev->ena_gpio_state = 0; in _regulator_do_disable()
2900 } else if (rdev->desc->ops->disable) { in _regulator_do_disable()
2901 ret = rdev->desc->ops->disable(rdev); in _regulator_do_disable()
2906 if (rdev->desc->off_on_delay) in _regulator_do_disable()
2907 rdev->last_off = ktime_get(); in _regulator_do_disable()
2909 trace_regulator_disable_complete(rdev_get_name(rdev)); in _regulator_do_disable()
2917 struct regulator_dev *rdev = regulator->rdev; in _regulator_disable() local
2920 lockdep_assert_held_once(&rdev->mutex.base); in _regulator_disable()
2922 if (WARN(rdev->use_count <= 0, in _regulator_disable()
2923 "unbalanced disables for %s\n", rdev_get_name(rdev))) in _regulator_disable()
2927 if (rdev->use_count == 1 && in _regulator_disable()
2928 (rdev->constraints && !rdev->constraints->always_on)) { in _regulator_disable()
2931 if (regulator_ops_is_valid(rdev, REGULATOR_CHANGE_STATUS)) { in _regulator_disable()
2932 ret = _notifier_call_chain(rdev, in _regulator_disable()
2938 ret = _regulator_do_disable(rdev); in _regulator_disable()
2940 rdev_err(rdev, "failed to disable: %pe\n", ERR_PTR(ret)); in _regulator_disable()
2941 _notifier_call_chain(rdev, in _regulator_disable()
2946 _notifier_call_chain(rdev, REGULATOR_EVENT_DISABLE, in _regulator_disable()
2950 rdev->use_count = 0; in _regulator_disable()
2951 } else if (rdev->use_count > 1) { in _regulator_disable()
2952 rdev->use_count--; in _regulator_disable()
2958 if (ret == 0 && rdev->coupling_desc.n_coupled > 1) in _regulator_disable()
2959 ret = regulator_balance_voltage(rdev, PM_SUSPEND_ON); in _regulator_disable()
2961 if (ret == 0 && rdev->use_count == 0 && rdev->supply) in _regulator_disable()
2962 ret = _regulator_disable(rdev->supply); in _regulator_disable()
2981 struct regulator_dev *rdev = regulator->rdev; in regulator_disable() local
2985 regulator_lock_dependent(rdev, &ww_ctx); in regulator_disable()
2987 regulator_unlock_dependent(rdev, &ww_ctx); in regulator_disable()
2994 static int _regulator_force_disable(struct regulator_dev *rdev) in _regulator_force_disable() argument
2998 lockdep_assert_held_once(&rdev->mutex.base); in _regulator_force_disable()
3000 ret = _notifier_call_chain(rdev, REGULATOR_EVENT_FORCE_DISABLE | in _regulator_force_disable()
3005 ret = _regulator_do_disable(rdev); in _regulator_force_disable()
3007 rdev_err(rdev, "failed to force disable: %pe\n", ERR_PTR(ret)); in _regulator_force_disable()
3008 _notifier_call_chain(rdev, REGULATOR_EVENT_FORCE_DISABLE | in _regulator_force_disable()
3013 _notifier_call_chain(rdev, REGULATOR_EVENT_FORCE_DISABLE | in _regulator_force_disable()
3030 struct regulator_dev *rdev = regulator->rdev; in regulator_force_disable() local
3034 regulator_lock_dependent(rdev, &ww_ctx); in regulator_force_disable()
3036 ret = _regulator_force_disable(regulator->rdev); in regulator_force_disable()
3038 if (rdev->coupling_desc.n_coupled > 1) in regulator_force_disable()
3039 regulator_balance_voltage(rdev, PM_SUSPEND_ON); in regulator_force_disable()
3043 ret = drms_uA_update(rdev); in regulator_force_disable()
3046 if (rdev->use_count != 0 && rdev->supply) in regulator_force_disable()
3047 _regulator_disable(rdev->supply); in regulator_force_disable()
3049 regulator_unlock_dependent(rdev, &ww_ctx); in regulator_force_disable()
3057 struct regulator_dev *rdev = container_of(work, struct regulator_dev, in regulator_disable_work() local
3064 regulator_lock_dependent(rdev, &ww_ctx); in regulator_disable_work()
3072 cancel_delayed_work(&rdev->disable_work); in regulator_disable_work()
3074 list_for_each_entry(regulator, &rdev->consumer_list, list) { in regulator_disable_work()
3086 rdev_err(rdev, "Deferred disable failed: %pe\n", in regulator_disable_work()
3092 if (rdev->coupling_desc.n_coupled > 1) in regulator_disable_work()
3093 regulator_balance_voltage(rdev, PM_SUSPEND_ON); in regulator_disable_work()
3095 regulator_unlock_dependent(rdev, &ww_ctx); in regulator_disable_work()
3112 struct regulator_dev *rdev = regulator->rdev; in regulator_disable_deferred() local
3117 regulator_lock(rdev); in regulator_disable_deferred()
3119 mod_delayed_work(system_power_efficient_wq, &rdev->disable_work, in regulator_disable_deferred()
3121 regulator_unlock(rdev); in regulator_disable_deferred()
3127 static int _regulator_is_enabled(struct regulator_dev *rdev) in _regulator_is_enabled() argument
3130 if (rdev->ena_pin) in _regulator_is_enabled()
3131 return rdev->ena_gpio_state; in _regulator_is_enabled()
3134 if (!rdev->desc->ops->is_enabled) in _regulator_is_enabled()
3137 return rdev->desc->ops->is_enabled(rdev); in _regulator_is_enabled()
3140 static int _regulator_list_voltage(struct regulator_dev *rdev, in _regulator_list_voltage() argument
3143 const struct regulator_ops *ops = rdev->desc->ops; in _regulator_list_voltage()
3146 if (rdev->desc->fixed_uV && rdev->desc->n_voltages == 1 && !selector) in _regulator_list_voltage()
3147 return rdev->desc->fixed_uV; in _regulator_list_voltage()
3150 if (selector >= rdev->desc->n_voltages) in _regulator_list_voltage()
3152 if (selector < rdev->desc->linear_min_sel) in _regulator_list_voltage()
3155 regulator_lock(rdev); in _regulator_list_voltage()
3156 ret = ops->list_voltage(rdev, selector); in _regulator_list_voltage()
3158 regulator_unlock(rdev); in _regulator_list_voltage()
3159 } else if (rdev->is_switch && rdev->supply) { in _regulator_list_voltage()
3160 ret = _regulator_list_voltage(rdev->supply->rdev, in _regulator_list_voltage()
3167 if (ret < rdev->constraints->min_uV) in _regulator_list_voltage()
3169 else if (ret > rdev->constraints->max_uV) in _regulator_list_voltage()
3195 regulator_lock(regulator->rdev); in regulator_is_enabled()
3196 ret = _regulator_is_enabled(regulator->rdev); in regulator_is_enabled()
3197 regulator_unlock(regulator->rdev); in regulator_is_enabled()
3213 struct regulator_dev *rdev = regulator->rdev; in regulator_count_voltages() local
3215 if (rdev->desc->n_voltages) in regulator_count_voltages()
3216 return rdev->desc->n_voltages; in regulator_count_voltages()
3218 if (!rdev->is_switch || !rdev->supply) in regulator_count_voltages()
3221 return regulator_count_voltages(rdev->supply); in regulator_count_voltages()
3237 return _regulator_list_voltage(regulator->rdev, selector, 1); in regulator_list_voltage()
3250 struct regmap *map = regulator->rdev->regmap; in regulator_get_regmap()
3273 struct regulator_dev *rdev = regulator->rdev; in regulator_get_hardware_vsel_register() local
3274 const struct regulator_ops *ops = rdev->desc->ops; in regulator_get_hardware_vsel_register()
3279 *vsel_reg = rdev->desc->vsel_reg; in regulator_get_hardware_vsel_register()
3280 *vsel_mask = rdev->desc->vsel_mask; in regulator_get_hardware_vsel_register()
3300 struct regulator_dev *rdev = regulator->rdev; in regulator_list_hardware_vsel() local
3301 const struct regulator_ops *ops = rdev->desc->ops; in regulator_list_hardware_vsel()
3303 if (selector >= rdev->desc->n_voltages) in regulator_list_hardware_vsel()
3305 if (selector < rdev->desc->linear_min_sel) in regulator_list_hardware_vsel()
3323 struct regulator_dev *rdev = regulator->rdev; in regulator_get_linear_step() local
3325 return rdev->desc->uV_step; in regulator_get_linear_step()
3341 struct regulator_dev *rdev = regulator->rdev; in regulator_is_supported_voltage() local
3345 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_VOLTAGE)) { in regulator_is_supported_voltage()
3354 if (rdev->desc->continuous_voltage_range) in regulator_is_supported_voltage()
3355 return min_uV >= rdev->constraints->min_uV && in regulator_is_supported_voltage()
3356 max_uV <= rdev->constraints->max_uV; in regulator_is_supported_voltage()
3374 static int regulator_map_voltage(struct regulator_dev *rdev, int min_uV, in regulator_map_voltage() argument
3377 const struct regulator_desc *desc = rdev->desc; in regulator_map_voltage()
3380 return desc->ops->map_voltage(rdev, min_uV, max_uV); in regulator_map_voltage()
3383 return regulator_map_voltage_linear(rdev, min_uV, max_uV); in regulator_map_voltage()
3386 return regulator_map_voltage_linear_range(rdev, min_uV, max_uV); in regulator_map_voltage()
3390 return regulator_map_voltage_pickable_linear_range(rdev, in regulator_map_voltage()
3393 return regulator_map_voltage_iterate(rdev, min_uV, max_uV); in regulator_map_voltage()
3396 static int _regulator_call_set_voltage(struct regulator_dev *rdev, in _regulator_call_set_voltage() argument
3403 data.old_uV = regulator_get_voltage_rdev(rdev); in _regulator_call_set_voltage()
3406 ret = _notifier_call_chain(rdev, REGULATOR_EVENT_PRE_VOLTAGE_CHANGE, in _regulator_call_set_voltage()
3411 ret = rdev->desc->ops->set_voltage(rdev, min_uV, max_uV, selector); in _regulator_call_set_voltage()
3415 _notifier_call_chain(rdev, REGULATOR_EVENT_ABORT_VOLTAGE_CHANGE, in _regulator_call_set_voltage()
3421 static int _regulator_call_set_voltage_sel(struct regulator_dev *rdev, in _regulator_call_set_voltage_sel() argument
3427 data.old_uV = regulator_get_voltage_rdev(rdev); in _regulator_call_set_voltage_sel()
3430 ret = _notifier_call_chain(rdev, REGULATOR_EVENT_PRE_VOLTAGE_CHANGE, in _regulator_call_set_voltage_sel()
3435 ret = rdev->desc->ops->set_voltage_sel(rdev, selector); in _regulator_call_set_voltage_sel()
3439 _notifier_call_chain(rdev, REGULATOR_EVENT_ABORT_VOLTAGE_CHANGE, in _regulator_call_set_voltage_sel()
3445 static int _regulator_set_voltage_sel_step(struct regulator_dev *rdev, in _regulator_set_voltage_sel_step() argument
3448 const struct regulator_ops *ops = rdev->desc->ops; in _regulator_set_voltage_sel_step()
3452 if (!_regulator_is_enabled(rdev)) in _regulator_set_voltage_sel_step()
3458 old_sel = ops->get_voltage_sel(rdev); in _regulator_set_voltage_sel_step()
3468 for (curr_sel = old_sel + rdev->desc->vsel_step; in _regulator_set_voltage_sel_step()
3470 curr_sel += rdev->desc->vsel_step) { in _regulator_set_voltage_sel_step()
3477 ret = ops->set_voltage_sel(rdev, curr_sel); in _regulator_set_voltage_sel_step()
3483 for (curr_sel = old_sel - rdev->desc->vsel_step; in _regulator_set_voltage_sel_step()
3485 curr_sel -= rdev->desc->vsel_step) { in _regulator_set_voltage_sel_step()
3486 ret = ops->set_voltage_sel(rdev, curr_sel); in _regulator_set_voltage_sel_step()
3494 return _regulator_call_set_voltage_sel(rdev, uV, new_selector); in _regulator_set_voltage_sel_step()
3501 (void)ops->set_voltage_sel(rdev, old_sel); in _regulator_set_voltage_sel_step()
3505 static int _regulator_set_voltage_time(struct regulator_dev *rdev, in _regulator_set_voltage_time() argument
3510 if (rdev->constraints->ramp_delay) in _regulator_set_voltage_time()
3511 ramp_delay = rdev->constraints->ramp_delay; in _regulator_set_voltage_time()
3512 else if (rdev->desc->ramp_delay) in _regulator_set_voltage_time()
3513 ramp_delay = rdev->desc->ramp_delay; in _regulator_set_voltage_time()
3514 else if (rdev->constraints->settling_time) in _regulator_set_voltage_time()
3515 return rdev->constraints->settling_time; in _regulator_set_voltage_time()
3516 else if (rdev->constraints->settling_time_up && in _regulator_set_voltage_time()
3518 return rdev->constraints->settling_time_up; in _regulator_set_voltage_time()
3519 else if (rdev->constraints->settling_time_down && in _regulator_set_voltage_time()
3521 return rdev->constraints->settling_time_down; in _regulator_set_voltage_time()
3529 static int _regulator_do_set_voltage(struct regulator_dev *rdev, in _regulator_do_set_voltage() argument
3537 const struct regulator_ops *ops = rdev->desc->ops; in _regulator_do_set_voltage()
3538 int old_uV = regulator_get_voltage_rdev(rdev); in _regulator_do_set_voltage()
3540 trace_regulator_set_voltage(rdev_get_name(rdev), min_uV, max_uV); in _regulator_do_set_voltage()
3542 min_uV += rdev->constraints->uV_offset; in _regulator_do_set_voltage()
3543 max_uV += rdev->constraints->uV_offset; in _regulator_do_set_voltage()
3549 if (_regulator_is_enabled(rdev) && in _regulator_do_set_voltage()
3551 old_selector = ops->get_voltage_sel(rdev); in _regulator_do_set_voltage()
3557 ret = _regulator_call_set_voltage(rdev, min_uV, max_uV, in _regulator_do_set_voltage()
3562 best_val = ops->list_voltage(rdev, in _regulator_do_set_voltage()
3565 best_val = regulator_get_voltage_rdev(rdev); in _regulator_do_set_voltage()
3569 ret = regulator_map_voltage(rdev, min_uV, max_uV); in _regulator_do_set_voltage()
3571 best_val = ops->list_voltage(rdev, ret); in _regulator_do_set_voltage()
3576 else if (rdev->desc->vsel_step) in _regulator_do_set_voltage()
3578 rdev, best_val, selector); in _regulator_do_set_voltage()
3581 rdev, best_val, selector); in _regulator_do_set_voltage()
3599 delay = ops->set_voltage_time_sel(rdev, old_selector, in _regulator_do_set_voltage()
3604 delay = ops->set_voltage_time(rdev, old_uV, in _regulator_do_set_voltage()
3607 delay = _regulator_set_voltage_time(rdev, in _regulator_do_set_voltage()
3614 rdev_warn(rdev, "failed to get delay: %pe\n", ERR_PTR(delay)); in _regulator_do_set_voltage()
3624 _notifier_call_chain(rdev, REGULATOR_EVENT_VOLTAGE_CHANGE, in _regulator_do_set_voltage()
3629 trace_regulator_set_voltage_complete(rdev_get_name(rdev), best_val); in _regulator_do_set_voltage()
3634 static int _regulator_do_set_suspend_voltage(struct regulator_dev *rdev, in _regulator_do_set_suspend_voltage() argument
3640 rstate = regulator_get_suspend_state(rdev, state); in _regulator_do_set_suspend_voltage()
3649 sel = regulator_map_voltage(rdev, min_uV, max_uV); in _regulator_do_set_suspend_voltage()
3653 uV = rdev->desc->ops->list_voltage(rdev, sel); in _regulator_do_set_suspend_voltage()
3664 struct regulator_dev *rdev = regulator->rdev; in regulator_set_voltage_unlocked() local
3681 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_VOLTAGE)) { in regulator_set_voltage_unlocked()
3682 current_uV = regulator_get_voltage_rdev(rdev); in regulator_set_voltage_unlocked()
3691 if (!rdev->desc->ops->set_voltage && in regulator_set_voltage_unlocked()
3692 !rdev->desc->ops->set_voltage_sel) { in regulator_set_voltage_unlocked()
3698 ret = regulator_check_voltage(rdev, &min_uV, &max_uV); in regulator_set_voltage_unlocked()
3709 ret = regulator_balance_voltage(rdev, state); in regulator_set_voltage_unlocked()
3719 int regulator_set_voltage_rdev(struct regulator_dev *rdev, int min_uV, in regulator_set_voltage_rdev() argument
3726 if (rdev->supply && in regulator_set_voltage_rdev()
3727 regulator_ops_is_valid(rdev->supply->rdev, in regulator_set_voltage_rdev()
3729 (rdev->desc->min_dropout_uV || !(rdev->desc->ops->get_voltage || in regulator_set_voltage_rdev()
3730 rdev->desc->ops->get_voltage_sel))) { in regulator_set_voltage_rdev()
3734 selector = regulator_map_voltage(rdev, min_uV, max_uV); in regulator_set_voltage_rdev()
3740 best_supply_uV = _regulator_list_voltage(rdev, selector, 0); in regulator_set_voltage_rdev()
3746 best_supply_uV += rdev->desc->min_dropout_uV; in regulator_set_voltage_rdev()
3748 current_supply_uV = regulator_get_voltage_rdev(rdev->supply->rdev); in regulator_set_voltage_rdev()
3758 ret = regulator_set_voltage_unlocked(rdev->supply, in regulator_set_voltage_rdev()
3761 dev_err(&rdev->dev, "Failed to increase supply voltage: %pe\n", in regulator_set_voltage_rdev()
3768 ret = _regulator_do_set_voltage(rdev, min_uV, max_uV); in regulator_set_voltage_rdev()
3770 ret = _regulator_do_set_suspend_voltage(rdev, min_uV, in regulator_set_voltage_rdev()
3776 ret = regulator_set_voltage_unlocked(rdev->supply, in regulator_set_voltage_rdev()
3779 dev_warn(&rdev->dev, "Failed to decrease supply voltage: %pe\n", in regulator_set_voltage_rdev()
3790 static int regulator_limit_voltage_step(struct regulator_dev *rdev, in regulator_limit_voltage_step() argument
3793 struct regulation_constraints *constraints = rdev->constraints; in regulator_limit_voltage_step()
3796 if (!constraints->max_uV_step || !_regulator_is_enabled(rdev)) in regulator_limit_voltage_step()
3800 *current_uV = regulator_get_voltage_rdev(rdev); in regulator_limit_voltage_step()
3820 static int regulator_get_optimal_voltage(struct regulator_dev *rdev, in regulator_get_optimal_voltage() argument
3826 struct coupling_desc *c_desc = &rdev->coupling_desc; in regulator_get_optimal_voltage()
3828 struct regulation_constraints *constraints = rdev->constraints; in regulator_get_optimal_voltage()
3849 ret = regulator_check_consumers(rdev, in regulator_get_optimal_voltage()
3934 ret = regulator_limit_voltage_step(rdev, current_uV, in regulator_get_optimal_voltage()
3946 if (_regulator_is_enabled(rdev)) { in regulator_get_optimal_voltage()
3947 ret = regulator_get_voltage_rdev(rdev); in regulator_get_optimal_voltage()
3963 int regulator_do_balance_voltage(struct regulator_dev *rdev, in regulator_do_balance_voltage() argument
3968 struct coupling_desc *c_desc = &rdev->coupling_desc; in regulator_do_balance_voltage()
4046 static int regulator_balance_voltage(struct regulator_dev *rdev, in regulator_balance_voltage() argument
4049 struct coupling_desc *c_desc = &rdev->coupling_desc; in regulator_balance_voltage()
4061 rdev_err(rdev, "Not all coupled regulators registered\n"); in regulator_balance_voltage()
4067 return coupler->balance_voltage(coupler, rdev, state); in regulator_balance_voltage()
4069 return regulator_do_balance_voltage(rdev, state, skip_coupled); in regulator_balance_voltage()
4095 regulator_lock_dependent(regulator->rdev, &ww_ctx); in regulator_set_voltage()
4100 regulator_unlock_dependent(regulator->rdev, &ww_ctx); in regulator_set_voltage()
4106 static inline int regulator_suspend_toggle(struct regulator_dev *rdev, in regulator_suspend_toggle() argument
4111 rstate = regulator_get_suspend_state(rdev, state); in regulator_suspend_toggle()
4123 int regulator_suspend_enable(struct regulator_dev *rdev, in regulator_suspend_enable() argument
4126 return regulator_suspend_toggle(rdev, state, true); in regulator_suspend_enable()
4130 int regulator_suspend_disable(struct regulator_dev *rdev, in regulator_suspend_disable() argument
4140 list_for_each_entry(regulator, &rdev->consumer_list, list) { in regulator_suspend_disable()
4146 return regulator_suspend_toggle(rdev, state, false); in regulator_suspend_disable()
4154 struct regulator_dev *rdev = regulator->rdev; in _regulator_set_suspend_voltage() local
4157 rstate = regulator_get_suspend_state(rdev, state); in _regulator_set_suspend_voltage()
4162 rdev_err(rdev, "The suspend voltage can't be changed!\n"); in _regulator_set_suspend_voltage()
4179 regulator_lock_dependent(regulator->rdev, &ww_ctx); in regulator_set_suspend_voltage()
4184 regulator_unlock_dependent(regulator->rdev, &ww_ctx); in regulator_set_suspend_voltage()
4203 struct regulator_dev *rdev = regulator->rdev; in regulator_set_voltage_time() local
4204 const struct regulator_ops *ops = rdev->desc->ops; in regulator_set_voltage_time()
4211 return ops->set_voltage_time(rdev, old_uV, new_uV); in regulator_set_voltage_time()
4213 return _regulator_set_voltage_time(rdev, old_uV, new_uV); in regulator_set_voltage_time()
4216 if (!ops->list_voltage || !rdev->desc->n_voltages) in regulator_set_voltage_time()
4219 for (i = 0; i < rdev->desc->n_voltages; i++) { in regulator_set_voltage_time()
4221 if (i < rdev->desc->linear_min_sel) in regulator_set_voltage_time()
4241 return ops->set_voltage_time_sel(rdev, old_sel, new_sel); in regulator_set_voltage_time()
4257 int regulator_set_voltage_time_sel(struct regulator_dev *rdev, in regulator_set_voltage_time_sel() argument
4264 if (!rdev->desc->ops->list_voltage) in regulator_set_voltage_time_sel()
4267 old_volt = rdev->desc->ops->list_voltage(rdev, old_selector); in regulator_set_voltage_time_sel()
4268 new_volt = rdev->desc->ops->list_voltage(rdev, new_selector); in regulator_set_voltage_time_sel()
4270 if (rdev->desc->ops->set_voltage_time) in regulator_set_voltage_time_sel()
4271 return rdev->desc->ops->set_voltage_time(rdev, old_volt, in regulator_set_voltage_time_sel()
4274 return _regulator_set_voltage_time(rdev, old_volt, new_volt); in regulator_set_voltage_time_sel()
4278 int regulator_sync_voltage_rdev(struct regulator_dev *rdev) in regulator_sync_voltage_rdev() argument
4282 regulator_lock(rdev); in regulator_sync_voltage_rdev()
4284 if (!rdev->desc->ops->set_voltage && in regulator_sync_voltage_rdev()
4285 !rdev->desc->ops->set_voltage_sel) { in regulator_sync_voltage_rdev()
4291 if (rdev->coupling_desc.n_coupled > 1) in regulator_sync_voltage_rdev()
4292 ret = regulator_balance_voltage(rdev, PM_SUSPEND_ON); in regulator_sync_voltage_rdev()
4297 regulator_unlock(rdev); in regulator_sync_voltage_rdev()
4311 struct regulator_dev *rdev = regulator->rdev; in regulator_sync_voltage() local
4315 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_VOLTAGE)) in regulator_sync_voltage()
4318 regulator_lock(rdev); in regulator_sync_voltage()
4320 if (!rdev->desc->ops->set_voltage && in regulator_sync_voltage()
4321 !rdev->desc->ops->set_voltage_sel) { in regulator_sync_voltage()
4336 ret = regulator_check_voltage(rdev, &min_uV, &max_uV); in regulator_sync_voltage()
4340 ret = regulator_check_consumers(rdev, &min_uV, &max_uV, 0); in regulator_sync_voltage()
4345 if (rdev->coupling_desc.n_coupled > 1) in regulator_sync_voltage()
4346 ret = regulator_balance_voltage(rdev, PM_SUSPEND_ON); in regulator_sync_voltage()
4348 ret = _regulator_do_set_voltage(rdev, min_uV, max_uV); in regulator_sync_voltage()
4351 regulator_unlock(rdev); in regulator_sync_voltage()
4356 int regulator_get_voltage_rdev(struct regulator_dev *rdev) in regulator_get_voltage_rdev() argument
4361 if (rdev->desc->ops->get_bypass) { in regulator_get_voltage_rdev()
4362 ret = rdev->desc->ops->get_bypass(rdev, &bypassed); in regulator_get_voltage_rdev()
4367 if (!rdev->supply) { in regulator_get_voltage_rdev()
4368 rdev_err(rdev, in regulator_get_voltage_rdev()
4373 return regulator_get_voltage_rdev(rdev->supply->rdev); in regulator_get_voltage_rdev()
4377 if (rdev->desc->ops->get_voltage_sel) { in regulator_get_voltage_rdev()
4378 sel = rdev->desc->ops->get_voltage_sel(rdev); in regulator_get_voltage_rdev()
4381 ret = rdev->desc->ops->list_voltage(rdev, sel); in regulator_get_voltage_rdev()
4382 } else if (rdev->desc->ops->get_voltage) { in regulator_get_voltage_rdev()
4383 ret = rdev->desc->ops->get_voltage(rdev); in regulator_get_voltage_rdev()
4384 } else if (rdev->desc->ops->list_voltage) { in regulator_get_voltage_rdev()
4385 ret = rdev->desc->ops->list_voltage(rdev, 0); in regulator_get_voltage_rdev()
4386 } else if (rdev->desc->fixed_uV && (rdev->desc->n_voltages == 1)) { in regulator_get_voltage_rdev()
4387 ret = rdev->desc->fixed_uV; in regulator_get_voltage_rdev()
4388 } else if (rdev->supply) { in regulator_get_voltage_rdev()
4389 ret = regulator_get_voltage_rdev(rdev->supply->rdev); in regulator_get_voltage_rdev()
4390 } else if (rdev->supply_name) { in regulator_get_voltage_rdev()
4398 return ret - rdev->constraints->uV_offset; in regulator_get_voltage_rdev()
4416 regulator_lock_dependent(regulator->rdev, &ww_ctx); in regulator_get_voltage()
4417 ret = regulator_get_voltage_rdev(regulator->rdev); in regulator_get_voltage()
4418 regulator_unlock_dependent(regulator->rdev, &ww_ctx); in regulator_get_voltage()
4443 struct regulator_dev *rdev = regulator->rdev; in regulator_set_current_limit() local
4446 regulator_lock(rdev); in regulator_set_current_limit()
4449 if (!rdev->desc->ops->set_current_limit) { in regulator_set_current_limit()
4455 ret = regulator_check_current_limit(rdev, &min_uA, &max_uA); in regulator_set_current_limit()
4459 ret = rdev->desc->ops->set_current_limit(rdev, min_uA, max_uA); in regulator_set_current_limit()
4461 regulator_unlock(rdev); in regulator_set_current_limit()
4466 static int _regulator_get_current_limit_unlocked(struct regulator_dev *rdev) in _regulator_get_current_limit_unlocked() argument
4469 if (!rdev->desc->ops->get_current_limit) in _regulator_get_current_limit_unlocked()
4472 return rdev->desc->ops->get_current_limit(rdev); in _regulator_get_current_limit_unlocked()
4475 static int _regulator_get_current_limit(struct regulator_dev *rdev) in _regulator_get_current_limit() argument
4479 regulator_lock(rdev); in _regulator_get_current_limit()
4480 ret = _regulator_get_current_limit_unlocked(rdev); in _regulator_get_current_limit()
4481 regulator_unlock(rdev); in _regulator_get_current_limit()
4497 return _regulator_get_current_limit(regulator->rdev); in regulator_get_current_limit()
4514 struct regulator_dev *rdev = regulator->rdev; in regulator_set_mode() local
4518 regulator_lock(rdev); in regulator_set_mode()
4521 if (!rdev->desc->ops->set_mode) { in regulator_set_mode()
4527 if (rdev->desc->ops->get_mode) { in regulator_set_mode()
4528 regulator_curr_mode = rdev->desc->ops->get_mode(rdev); in regulator_set_mode()
4536 ret = regulator_mode_constrain(rdev, &mode); in regulator_set_mode()
4540 ret = rdev->desc->ops->set_mode(rdev, mode); in regulator_set_mode()
4542 regulator_unlock(rdev); in regulator_set_mode()
4547 static unsigned int _regulator_get_mode_unlocked(struct regulator_dev *rdev) in _regulator_get_mode_unlocked() argument
4550 if (!rdev->desc->ops->get_mode) in _regulator_get_mode_unlocked()
4553 return rdev->desc->ops->get_mode(rdev); in _regulator_get_mode_unlocked()
4556 static unsigned int _regulator_get_mode(struct regulator_dev *rdev) in _regulator_get_mode() argument
4560 regulator_lock(rdev); in _regulator_get_mode()
4561 ret = _regulator_get_mode_unlocked(rdev); in _regulator_get_mode()
4562 regulator_unlock(rdev); in _regulator_get_mode()
4575 return _regulator_get_mode(regulator->rdev); in regulator_get_mode()
4579 static int rdev_get_cached_err_flags(struct regulator_dev *rdev) in rdev_get_cached_err_flags() argument
4583 if (rdev->use_cached_err) { in rdev_get_cached_err_flags()
4584 spin_lock(&rdev->err_lock); in rdev_get_cached_err_flags()
4585 ret = rdev->cached_err; in rdev_get_cached_err_flags()
4586 spin_unlock(&rdev->err_lock); in rdev_get_cached_err_flags()
4591 static int _regulator_get_error_flags(struct regulator_dev *rdev, in _regulator_get_error_flags() argument
4596 regulator_lock(rdev); in _regulator_get_error_flags()
4598 cached_flags = rdev_get_cached_err_flags(rdev); in _regulator_get_error_flags()
4600 if (rdev->desc->ops->get_error_flags) in _regulator_get_error_flags()
4601 ret = rdev->desc->ops->get_error_flags(rdev, flags); in _regulator_get_error_flags()
4602 else if (!rdev->use_cached_err) in _regulator_get_error_flags()
4607 regulator_unlock(rdev); in _regulator_get_error_flags()
4622 return _regulator_get_error_flags(regulator->rdev, flags); in regulator_get_error_flags()
4662 struct regulator_dev *rdev = regulator->rdev; in regulator_set_load() local
4666 regulator_lock(rdev); in regulator_set_load()
4670 ret = drms_uA_update(rdev); in regulator_set_load()
4674 regulator_unlock(rdev); in regulator_set_load()
4693 struct regulator_dev *rdev = regulator->rdev; in regulator_allow_bypass() local
4694 const char *name = rdev_get_name(rdev); in regulator_allow_bypass()
4697 if (!rdev->desc->ops->set_bypass) in regulator_allow_bypass()
4700 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_BYPASS)) in regulator_allow_bypass()
4703 regulator_lock(rdev); in regulator_allow_bypass()
4706 rdev->bypass_count++; in regulator_allow_bypass()
4708 if (rdev->bypass_count == rdev->open_count) { in regulator_allow_bypass()
4711 ret = rdev->desc->ops->set_bypass(rdev, enable); in regulator_allow_bypass()
4713 rdev->bypass_count--; in regulator_allow_bypass()
4719 rdev->bypass_count--; in regulator_allow_bypass()
4721 if (rdev->bypass_count != rdev->open_count) { in regulator_allow_bypass()
4724 ret = rdev->desc->ops->set_bypass(rdev, enable); in regulator_allow_bypass()
4726 rdev->bypass_count++; in regulator_allow_bypass()
4735 regulator_unlock(rdev); in regulator_allow_bypass()
4751 return blocking_notifier_chain_register(®ulator->rdev->notifier, in regulator_register_notifier()
4766 return blocking_notifier_chain_unregister(®ulator->rdev->notifier, in regulator_unregister_notifier()
4774 static int _notifier_call_chain(struct regulator_dev *rdev, in _notifier_call_chain() argument
4778 return blocking_notifier_call_chain(&rdev->notifier, event, data); in _notifier_call_chain()
4993 int regulator_notifier_call_chain(struct regulator_dev *rdev, in regulator_notifier_call_chain() argument
4996 _notifier_call_chain(rdev, event, data); in regulator_notifier_call_chain()
5070 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_attr_is_visible() local
5071 const struct regulator_ops *ops = rdev->desc->ops; in regulator_attr_is_visible()
5082 if ((ops->get_voltage && ops->get_voltage(rdev) >= 0) || in regulator_attr_is_visible()
5083 (ops->get_voltage_sel && ops->get_voltage_sel(rdev) >= 0) || in regulator_attr_is_visible()
5084 (ops->list_voltage && ops->list_voltage(rdev, 0) >= 0) || in regulator_attr_is_visible()
5085 (rdev->desc->fixed_uV && rdev->desc->n_voltages == 1)) in regulator_attr_is_visible()
5097 return (rdev->ena_pin || ops->is_enabled) ? mode : 0; in regulator_attr_is_visible()
5155 struct regulator_dev *rdev = dev_get_drvdata(dev); in regulator_dev_release() local
5157 debugfs_remove_recursive(rdev->debugfs); in regulator_dev_release()
5158 kfree(rdev->constraints); in regulator_dev_release()
5159 of_node_put(rdev->dev.of_node); in regulator_dev_release()
5160 kfree(rdev); in regulator_dev_release()
5163 static void rdev_init_debugfs(struct regulator_dev *rdev) in rdev_init_debugfs() argument
5165 struct device *parent = rdev->dev.parent; in rdev_init_debugfs()
5166 const char *rname = rdev_get_name(rdev); in rdev_init_debugfs()
5170 if (parent && rname == rdev->desc->name) { in rdev_init_debugfs()
5176 rdev->debugfs = debugfs_create_dir(rname, debugfs_root); in rdev_init_debugfs()
5177 if (!rdev->debugfs) { in rdev_init_debugfs()
5178 rdev_warn(rdev, "Failed to create debugfs directory\n"); in rdev_init_debugfs()
5182 debugfs_create_u32("use_count", 0444, rdev->debugfs, in rdev_init_debugfs()
5183 &rdev->use_count); in rdev_init_debugfs()
5184 debugfs_create_u32("open_count", 0444, rdev->debugfs, in rdev_init_debugfs()
5185 &rdev->open_count); in rdev_init_debugfs()
5186 debugfs_create_u32("bypass_count", 0444, rdev->debugfs, in rdev_init_debugfs()
5187 &rdev->bypass_count); in rdev_init_debugfs()
5192 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_register_resolve_supply() local
5194 if (regulator_resolve_supply(rdev)) in regulator_register_resolve_supply()
5195 rdev_dbg(rdev, "unable to resolve supply\n"); in regulator_register_resolve_supply()
5210 regulator_find_coupler(struct regulator_dev *rdev) in regulator_find_coupler() argument
5221 err = coupler->attach_regulator(coupler, rdev); in regulator_find_coupler()
5224 rdev->coupling_desc.n_coupled > 2) in regulator_find_coupler()
5243 coupler->detach_regulator(coupler, rdev); in regulator_find_coupler()
5245 rdev_err(rdev, in regulator_find_coupler()
5251 static void regulator_resolve_coupling(struct regulator_dev *rdev) in regulator_resolve_coupling() argument
5253 struct regulator_coupler *coupler = rdev->coupling_desc.coupler; in regulator_resolve_coupling()
5254 struct coupling_desc *c_desc = &rdev->coupling_desc; in regulator_resolve_coupling()
5264 c_rdev = of_parse_coupled_regulator(rdev, i - 1); in regulator_resolve_coupling()
5270 rdev_err(rdev, "coupler mismatch with %s\n", in regulator_resolve_coupling()
5282 static void regulator_remove_coupling(struct regulator_dev *rdev) in regulator_remove_coupling() argument
5284 struct regulator_coupler *coupler = rdev->coupling_desc.coupler; in regulator_remove_coupling()
5285 struct coupling_desc *__c_desc, *c_desc = &rdev->coupling_desc; in regulator_remove_coupling()
5307 if (__c_rdev == rdev) { in regulator_remove_coupling()
5321 err = coupler->detach_regulator(coupler, rdev); in regulator_remove_coupling()
5323 rdev_err(rdev, "failed to detach from coupler: %pe\n", in regulator_remove_coupling()
5327 kfree(rdev->coupling_desc.coupled_rdevs); in regulator_remove_coupling()
5328 rdev->coupling_desc.coupled_rdevs = NULL; in regulator_remove_coupling()
5331 static int regulator_init_coupling(struct regulator_dev *rdev) in regulator_init_coupling() argument
5339 n_phandles = of_get_n_coupled(rdev); in regulator_init_coupling()
5345 rdev->coupling_desc.coupled_rdevs = coupled; in regulator_init_coupling()
5351 rdev->coupling_desc.coupled_rdevs[0] = rdev; in regulator_init_coupling()
5352 rdev->coupling_desc.n_coupled = n_phandles + 1; in regulator_init_coupling()
5353 rdev->coupling_desc.n_resolved++; in regulator_init_coupling()
5359 if (!of_check_coupling_data(rdev)) in regulator_init_coupling()
5363 rdev->coupling_desc.coupler = regulator_find_coupler(rdev); in regulator_init_coupling()
5366 if (IS_ERR(rdev->coupling_desc.coupler)) { in regulator_init_coupling()
5367 err = PTR_ERR(rdev->coupling_desc.coupler); in regulator_init_coupling()
5368 rdev_err(rdev, "failed to get coupler: %pe\n", ERR_PTR(err)); in regulator_init_coupling()
5376 struct regulator_dev *rdev) in generic_coupler_attach() argument
5378 if (rdev->coupling_desc.n_coupled > 2) { in generic_coupler_attach()
5379 rdev_err(rdev, in generic_coupler_attach()
5384 if (!rdev->constraints->always_on) { in generic_coupler_attach()
5385 rdev_err(rdev, in generic_coupler_attach()
5413 struct regulator_dev *rdev; in regulator_register() local
5461 rdev = kzalloc(sizeof(struct regulator_dev), GFP_KERNEL); in regulator_register()
5462 if (rdev == NULL) { in regulator_register()
5466 device_initialize(&rdev->dev); in regulator_register()
5467 spin_lock_init(&rdev->err_lock); in regulator_register()
5480 &rdev->dev.of_node); in regulator_register()
5504 rdev->dev.of_node = of_node_get(config->of_node); in regulator_register()
5507 ww_mutex_init(&rdev->mutex, ®ulator_ww_class); in regulator_register()
5508 rdev->reg_data = config->driver_data; in regulator_register()
5509 rdev->owner = regulator_desc->owner; in regulator_register()
5510 rdev->desc = regulator_desc; in regulator_register()
5512 rdev->regmap = config->regmap; in regulator_register()
5514 rdev->regmap = dev_get_regmap(dev, NULL); in regulator_register()
5516 rdev->regmap = dev_get_regmap(dev->parent, NULL); in regulator_register()
5517 INIT_LIST_HEAD(&rdev->consumer_list); in regulator_register()
5518 INIT_LIST_HEAD(&rdev->list); in regulator_register()
5519 BLOCKING_INIT_NOTIFIER_HEAD(&rdev->notifier); in regulator_register()
5520 INIT_DELAYED_WORK(&rdev->disable_work, regulator_disable_work); in regulator_register()
5523 rdev->supply_name = init_data->supply_regulator; in regulator_register()
5525 rdev->supply_name = regulator_desc->supply_name; in regulator_register()
5528 rdev->dev.class = ®ulator_class; in regulator_register()
5529 rdev->dev.parent = dev; in regulator_register()
5530 dev_set_name(&rdev->dev, "regulator.%lu", in regulator_register()
5532 dev_set_drvdata(&rdev->dev, rdev); in regulator_register()
5536 rdev->constraints = kmemdup(&init_data->constraints, in regulator_register()
5537 sizeof(*rdev->constraints), in regulator_register()
5540 rdev->constraints = kzalloc(sizeof(*rdev->constraints), in regulator_register()
5542 if (!rdev->constraints) { in regulator_register()
5547 if ((rdev->supply_name && !rdev->supply) && in regulator_register()
5548 (rdev->constraints->always_on || in regulator_register()
5549 rdev->constraints->boot_on)) { in regulator_register()
5550 ret = regulator_resolve_supply(rdev); in regulator_register()
5552 rdev_dbg(rdev, "unable to resolve supply early: %pe\n", in regulator_register()
5560 ret = init_data->regulator_init(rdev->reg_data); in regulator_register()
5566 ret = regulator_ena_gpio_request(rdev, config); in regulator_register()
5568 rdev_err(rdev, "Failed to request enable GPIO: %pe\n", in regulator_register()
5577 ret = set_machine_constraints(rdev); in regulator_register()
5586 rdev_dbg(rdev, "will resolve supply early: %s\n", in regulator_register()
5587 rdev->supply_name); in regulator_register()
5588 ret = regulator_resolve_supply(rdev); in regulator_register()
5590 ret = set_machine_constraints(rdev); in regulator_register()
5592 rdev_dbg(rdev, "unable to resolve supply early: %pe\n", in regulator_register()
5598 ret = regulator_init_coupling(rdev); in regulator_register()
5605 ret = set_consumer_device_supply(rdev, in regulator_register()
5616 if (!rdev->desc->ops->get_voltage && in regulator_register()
5617 !rdev->desc->ops->list_voltage && in regulator_register()
5618 !rdev->desc->fixed_uV) in regulator_register()
5619 rdev->is_switch = true; in regulator_register()
5621 ret = device_add(&rdev->dev); in regulator_register()
5625 rdev_init_debugfs(rdev); in regulator_register()
5629 regulator_resolve_coupling(rdev); in regulator_register()
5636 return rdev; in regulator_register()
5640 unset_regulator_supplies(rdev); in regulator_register()
5641 regulator_remove_coupling(rdev); in regulator_register()
5644 kfree(rdev->coupling_desc.coupled_rdevs); in regulator_register()
5646 regulator_ena_gpio_free(rdev); in regulator_register()
5648 put_device(&rdev->dev); in regulator_register()
5649 rdev = NULL; in regulator_register()
5653 if (rdev && rdev->dev.of_node) in regulator_register()
5654 of_node_put(rdev->dev.of_node); in regulator_register()
5655 kfree(rdev); in regulator_register()
5670 void regulator_unregister(struct regulator_dev *rdev) in regulator_unregister() argument
5672 if (rdev == NULL) in regulator_unregister()
5675 if (rdev->supply) { in regulator_unregister()
5676 while (rdev->use_count--) in regulator_unregister()
5677 regulator_disable(rdev->supply); in regulator_unregister()
5678 regulator_put(rdev->supply); in regulator_unregister()
5681 flush_work(&rdev->disable_work.work); in regulator_unregister()
5685 WARN_ON(rdev->open_count); in regulator_unregister()
5686 regulator_remove_coupling(rdev); in regulator_unregister()
5687 unset_regulator_supplies(rdev); in regulator_unregister()
5688 list_del(&rdev->list); in regulator_unregister()
5689 regulator_ena_gpio_free(rdev); in regulator_unregister()
5690 device_unregister(&rdev->dev); in regulator_unregister()
5705 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_suspend() local
5710 rstate = regulator_get_suspend_state_check(rdev, state); in regulator_suspend()
5714 regulator_lock(rdev); in regulator_suspend()
5715 ret = __suspend_set_state(rdev, rstate); in regulator_suspend()
5716 regulator_unlock(rdev); in regulator_suspend()
5724 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_resume() local
5728 rstate = regulator_get_suspend_state(rdev, state); in regulator_resume()
5733 if (!rdev->desc->ops->resume) in regulator_resume()
5736 regulator_lock(rdev); in regulator_resume()
5740 ret = rdev->desc->ops->resume(rdev); in regulator_resume()
5742 regulator_unlock(rdev); in regulator_resume()
5792 void *rdev_get_drvdata(struct regulator_dev *rdev) in rdev_get_drvdata() argument
5794 return rdev->reg_data; in rdev_get_drvdata()
5807 return regulator->rdev->reg_data; in regulator_get_drvdata()
5818 regulator->rdev->reg_data = data; in regulator_set_drvdata()
5826 int rdev_get_id(struct regulator_dev *rdev) in rdev_get_id() argument
5828 return rdev->desc->id; in rdev_get_id()
5832 struct device *rdev_get_dev(struct regulator_dev *rdev) in rdev_get_dev() argument
5834 return &rdev->dev; in rdev_get_dev()
5838 struct regmap *rdev_get_regmap(struct regulator_dev *rdev) in rdev_get_regmap() argument
5840 return rdev->regmap; in rdev_get_regmap()
5872 struct regulator_dev *rdev,
5877 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_summary_show_children() local
5880 if (rdev->supply && rdev->supply->rdev == summary_data->parent) in regulator_summary_show_children()
5881 regulator_summary_show_subtree(summary_data->s, rdev, in regulator_summary_show_children()
5888 struct regulator_dev *rdev, in regulator_summary_show_subtree() argument
5896 if (!rdev) in regulator_summary_show_subtree()
5899 opmode = _regulator_get_mode_unlocked(rdev); in regulator_summary_show_subtree()
5902 30 - level * 3, rdev_get_name(rdev), in regulator_summary_show_subtree()
5903 rdev->use_count, rdev->open_count, rdev->bypass_count, in regulator_summary_show_subtree()
5906 seq_printf(s, "%5dmV ", regulator_get_voltage_rdev(rdev) / 1000); in regulator_summary_show_subtree()
5908 _regulator_get_current_limit_unlocked(rdev) / 1000); in regulator_summary_show_subtree()
5910 c = rdev->constraints; in regulator_summary_show_subtree()
5912 switch (rdev->desc->type) { in regulator_summary_show_subtree()
5926 list_for_each_entry(consumer, &rdev->consumer_list, list) { in regulator_summary_show_subtree()
5936 switch (rdev->desc->type) { in regulator_summary_show_subtree()
5955 summary_data.parent = rdev; in regulator_summary_show_subtree()
5969 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_summary_lock_one() local
5973 if (rdev != *lock_data->old_contended_rdev) { in regulator_summary_lock_one()
5974 ret = regulator_lock_nested(rdev, lock_data->ww_ctx); in regulator_summary_lock_one()
5977 *lock_data->new_contended_rdev = rdev; in regulator_summary_lock_one()
5989 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_summary_unlock_one() local
5993 if (rdev == *lock_data->new_contended_rdev) in regulator_summary_unlock_one()
5997 regulator_unlock(rdev); in regulator_summary_unlock_one()
6062 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_summary_show_roots() local
6065 if (!rdev->supply) in regulator_summary_show_roots()
6066 regulator_summary_show_subtree(s, rdev, 0); in regulator_summary_show_roots()
6119 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_late_cleanup() local
6120 struct regulation_constraints *c = rdev->constraints; in regulator_late_cleanup()
6126 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_STATUS)) in regulator_late_cleanup()
6129 regulator_lock(rdev); in regulator_late_cleanup()
6131 if (rdev->use_count) in regulator_late_cleanup()
6135 if (_regulator_is_enabled(rdev) <= 0) in regulator_late_cleanup()
6142 rdev_info(rdev, "disabling\n"); in regulator_late_cleanup()
6143 ret = _regulator_do_disable(rdev); in regulator_late_cleanup()
6145 rdev_err(rdev, "couldn't disable: %pe\n", ERR_PTR(ret)); in regulator_late_cleanup()
6152 rdev_warn(rdev, "incomplete constraints, leaving on\n"); in regulator_late_cleanup()
6156 regulator_unlock(rdev); in regulator_late_cleanup()