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()
209 static bool regulator_supply_is_couple(struct regulator_dev *rdev) in regulator_supply_is_couple() argument
214 for (i = 1; i < rdev->coupling_desc.n_coupled; i++) { in regulator_supply_is_couple()
215 c_rdev = rdev->coupling_desc.coupled_rdevs[i]; in regulator_supply_is_couple()
217 if (rdev->supply->rdev == c_rdev) in regulator_supply_is_couple()
224 static void regulator_unlock_recursive(struct regulator_dev *rdev, in regulator_unlock_recursive() argument
231 c_rdev = rdev->coupling_desc.coupled_rdevs[i - 1]; in regulator_unlock_recursive()
237 supply_rdev = c_rdev->supply->rdev; in regulator_unlock_recursive()
248 static int regulator_lock_recursive(struct regulator_dev *rdev, in regulator_lock_recursive() argument
256 for (i = 0; i < rdev->coupling_desc.n_coupled; i++) { in regulator_lock_recursive()
257 c_rdev = rdev->coupling_desc.coupled_rdevs[i]; in regulator_lock_recursive()
278 err = regulator_lock_recursive(c_rdev->supply->rdev, in regulator_lock_recursive()
292 regulator_unlock_recursive(rdev, i); in regulator_lock_recursive()
305 static void regulator_unlock_dependent(struct regulator_dev *rdev, in regulator_unlock_dependent() argument
308 regulator_unlock_recursive(rdev, rdev->coupling_desc.n_coupled); in regulator_unlock_dependent()
320 static void regulator_lock_dependent(struct regulator_dev *rdev, in regulator_lock_dependent() argument
338 err = regulator_lock_recursive(rdev, in regulator_lock_dependent()
420 int regulator_check_voltage(struct regulator_dev *rdev, in regulator_check_voltage() argument
425 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_VOLTAGE)) { in regulator_check_voltage()
426 rdev_err(rdev, "voltage operation not allowed\n"); in regulator_check_voltage()
430 if (*max_uV > rdev->constraints->max_uV) in regulator_check_voltage()
431 *max_uV = rdev->constraints->max_uV; in regulator_check_voltage()
432 if (*min_uV < rdev->constraints->min_uV) in regulator_check_voltage()
433 *min_uV = rdev->constraints->min_uV; in regulator_check_voltage()
436 rdev_err(rdev, "unsupportable voltage range: %d-%duV\n", in regulator_check_voltage()
453 int regulator_check_consumers(struct regulator_dev *rdev, in regulator_check_consumers() argument
460 list_for_each_entry(regulator, &rdev->consumer_list, list) { in regulator_check_consumers()
476 rdev_err(rdev, "Restricting voltage, %u-%uuV\n", in regulator_check_consumers()
485 static int regulator_check_current_limit(struct regulator_dev *rdev, in regulator_check_current_limit() argument
490 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_CURRENT)) { in regulator_check_current_limit()
491 rdev_err(rdev, "current operation not allowed\n"); in regulator_check_current_limit()
495 if (*max_uA > rdev->constraints->max_uA) in regulator_check_current_limit()
496 *max_uA = rdev->constraints->max_uA; in regulator_check_current_limit()
497 if (*min_uA < rdev->constraints->min_uA) in regulator_check_current_limit()
498 *min_uA = rdev->constraints->min_uA; in regulator_check_current_limit()
501 rdev_err(rdev, "unsupportable current range: %d-%duA\n", in regulator_check_current_limit()
510 static int regulator_mode_constrain(struct regulator_dev *rdev, in regulator_mode_constrain() argument
520 rdev_err(rdev, "invalid mode %x specified\n", *mode); in regulator_mode_constrain()
524 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_MODE)) { in regulator_mode_constrain()
525 rdev_err(rdev, "mode operation not allowed\n"); in regulator_mode_constrain()
534 if (rdev->constraints->valid_modes_mask & *mode) in regulator_mode_constrain()
543 regulator_get_suspend_state(struct regulator_dev *rdev, suspend_state_t state) in regulator_get_suspend_state() argument
545 if (rdev->constraints == NULL) in regulator_get_suspend_state()
550 return &rdev->constraints->state_standby; in regulator_get_suspend_state()
552 return &rdev->constraints->state_mem; in regulator_get_suspend_state()
554 return &rdev->constraints->state_disk; in regulator_get_suspend_state()
561 regulator_get_suspend_state_check(struct regulator_dev *rdev, suspend_state_t state) in regulator_get_suspend_state_check() argument
565 rstate = regulator_get_suspend_state(rdev, state); in regulator_get_suspend_state_check()
575 if (rdev->desc->ops->set_suspend_voltage || in regulator_get_suspend_state_check()
576 rdev->desc->ops->set_suspend_mode) in regulator_get_suspend_state_check()
577 rdev_warn(rdev, "No configuration\n"); in regulator_get_suspend_state_check()
587 struct regulator_dev *rdev = dev_get_drvdata(dev); in microvolts_show() local
590 regulator_lock(rdev); in microvolts_show()
591 uV = regulator_get_voltage_rdev(rdev); in microvolts_show()
592 regulator_unlock(rdev); in microvolts_show()
603 struct regulator_dev *rdev = dev_get_drvdata(dev); in microamps_show() local
605 return sprintf(buf, "%d\n", _regulator_get_current_limit(rdev)); in microamps_show()
612 struct regulator_dev *rdev = dev_get_drvdata(dev); in name_show() local
614 return sprintf(buf, "%s\n", rdev_get_name(rdev)); in name_show()
641 struct regulator_dev *rdev = dev_get_drvdata(dev); in opmode_show() local
643 return regulator_print_opmode(buf, _regulator_get_mode(rdev)); in opmode_show()
660 struct regulator_dev *rdev = dev_get_drvdata(dev); in state_show() local
663 regulator_lock(rdev); in state_show()
664 ret = regulator_print_state(buf, _regulator_is_enabled(rdev)); in state_show()
665 regulator_unlock(rdev); in state_show()
674 struct regulator_dev *rdev = dev_get_drvdata(dev); in status_show() local
678 status = rdev->desc->ops->get_status(rdev); in status_show()
721 struct regulator_dev *rdev = dev_get_drvdata(dev); in min_microamps_show() local
723 if (!rdev->constraints) in min_microamps_show()
726 return sprintf(buf, "%d\n", rdev->constraints->min_uA); in min_microamps_show()
733 struct regulator_dev *rdev = dev_get_drvdata(dev); in max_microamps_show() local
735 if (!rdev->constraints) in max_microamps_show()
738 return sprintf(buf, "%d\n", rdev->constraints->max_uA); in max_microamps_show()
745 struct regulator_dev *rdev = dev_get_drvdata(dev); in min_microvolts_show() local
747 if (!rdev->constraints) in min_microvolts_show()
750 return sprintf(buf, "%d\n", rdev->constraints->min_uV); in min_microvolts_show()
757 struct regulator_dev *rdev = dev_get_drvdata(dev); in max_microvolts_show() local
759 if (!rdev->constraints) in max_microvolts_show()
762 return sprintf(buf, "%d\n", rdev->constraints->max_uV); in max_microvolts_show()
769 struct regulator_dev *rdev = dev_get_drvdata(dev); in requested_microamps_show() local
773 regulator_lock(rdev); in requested_microamps_show()
774 list_for_each_entry(regulator, &rdev->consumer_list, list) { in requested_microamps_show()
778 regulator_unlock(rdev); in requested_microamps_show()
786 struct regulator_dev *rdev = dev_get_drvdata(dev); in num_users_show() local
787 return sprintf(buf, "%d\n", rdev->use_count); in num_users_show()
794 struct regulator_dev *rdev = dev_get_drvdata(dev); in type_show() local
796 switch (rdev->desc->type) { in type_show()
809 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_mem_microvolts_show() local
811 return sprintf(buf, "%d\n", rdev->constraints->state_mem.uV); in suspend_mem_microvolts_show()
818 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_disk_microvolts_show() local
820 return sprintf(buf, "%d\n", rdev->constraints->state_disk.uV); in suspend_disk_microvolts_show()
827 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_standby_microvolts_show() local
829 return sprintf(buf, "%d\n", rdev->constraints->state_standby.uV); in suspend_standby_microvolts_show()
836 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_mem_mode_show() local
839 rdev->constraints->state_mem.mode); in suspend_mem_mode_show()
846 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_disk_mode_show() local
849 rdev->constraints->state_disk.mode); in suspend_disk_mode_show()
856 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_standby_mode_show() local
859 rdev->constraints->state_standby.mode); in suspend_standby_mode_show()
866 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_mem_state_show() local
869 rdev->constraints->state_mem.enabled); in suspend_mem_state_show()
876 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_disk_state_show() local
879 rdev->constraints->state_disk.enabled); in suspend_disk_state_show()
886 struct regulator_dev *rdev = dev_get_drvdata(dev); in suspend_standby_state_show() local
889 rdev->constraints->state_standby.enabled); in suspend_standby_state_show()
896 struct regulator_dev *rdev = dev_get_drvdata(dev); in bypass_show() local
901 ret = rdev->desc->ops->get_bypass(rdev, &bypass); in bypass_show()
917 static int drms_uA_update(struct regulator_dev *rdev) in drms_uA_update() argument
927 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_DRMS)) { in drms_uA_update()
928 rdev_dbg(rdev, "DRMS operation not allowed\n"); in drms_uA_update()
932 if (!rdev->desc->ops->get_optimum_mode && in drms_uA_update()
933 !rdev->desc->ops->set_load) in drms_uA_update()
936 if (!rdev->desc->ops->set_mode && in drms_uA_update()
937 !rdev->desc->ops->set_load) in drms_uA_update()
941 list_for_each_entry(sibling, &rdev->consumer_list, list) { in drms_uA_update()
946 current_uA += rdev->constraints->system_load; in drms_uA_update()
948 if (rdev->desc->ops->set_load) { in drms_uA_update()
950 err = rdev->desc->ops->set_load(rdev, current_uA); in drms_uA_update()
952 rdev_err(rdev, "failed to set load %d: %pe\n", in drms_uA_update()
956 output_uV = regulator_get_voltage_rdev(rdev); in drms_uA_update()
958 rdev_err(rdev, "invalid output voltage found\n"); in drms_uA_update()
964 if (rdev->supply) in drms_uA_update()
965 input_uV = regulator_get_voltage(rdev->supply); in drms_uA_update()
967 input_uV = rdev->constraints->input_uV; in drms_uA_update()
969 rdev_err(rdev, "invalid input voltage found\n"); in drms_uA_update()
974 mode = rdev->desc->ops->get_optimum_mode(rdev, input_uV, in drms_uA_update()
978 err = regulator_mode_constrain(rdev, &mode); in drms_uA_update()
980 rdev_err(rdev, "failed to get optimum mode @ %d uA %d -> %d uV: %pe\n", in drms_uA_update()
985 err = rdev->desc->ops->set_mode(rdev, mode); in drms_uA_update()
987 rdev_err(rdev, "failed to set optimum mode %x: %pe\n", in drms_uA_update()
994 static int __suspend_set_state(struct regulator_dev *rdev, in __suspend_set_state() argument
1000 rdev->desc->ops->set_suspend_enable) in __suspend_set_state()
1001 ret = rdev->desc->ops->set_suspend_enable(rdev); in __suspend_set_state()
1003 rdev->desc->ops->set_suspend_disable) in __suspend_set_state()
1004 ret = rdev->desc->ops->set_suspend_disable(rdev); in __suspend_set_state()
1009 rdev_err(rdev, "failed to enabled/disable: %pe\n", ERR_PTR(ret)); in __suspend_set_state()
1013 if (rdev->desc->ops->set_suspend_voltage && rstate->uV > 0) { in __suspend_set_state()
1014 ret = rdev->desc->ops->set_suspend_voltage(rdev, rstate->uV); in __suspend_set_state()
1016 rdev_err(rdev, "failed to set voltage: %pe\n", ERR_PTR(ret)); in __suspend_set_state()
1021 if (rdev->desc->ops->set_suspend_mode && rstate->mode > 0) { in __suspend_set_state()
1022 ret = rdev->desc->ops->set_suspend_mode(rdev, rstate->mode); in __suspend_set_state()
1024 rdev_err(rdev, "failed to set mode: %pe\n", ERR_PTR(ret)); in __suspend_set_state()
1032 static int suspend_set_initial_state(struct regulator_dev *rdev) in suspend_set_initial_state() argument
1036 rstate = regulator_get_suspend_state_check(rdev, in suspend_set_initial_state()
1037 rdev->constraints->initial_state); in suspend_set_initial_state()
1041 return __suspend_set_state(rdev, rstate); in suspend_set_initial_state()
1045 static void print_constraints_debug(struct regulator_dev *rdev) in print_constraints_debug() argument
1047 struct regulation_constraints *constraints = rdev->constraints; in print_constraints_debug()
1066 ret = regulator_get_voltage_rdev(rdev); in print_constraints_debug()
1089 ret = _regulator_get_current_limit(rdev); in print_constraints_debug()
1110 _regulator_is_enabled(rdev) ? "enabled" : "disabled"); in print_constraints_debug()
1112 rdev_dbg(rdev, "%s\n", buf); in print_constraints_debug()
1115 static inline void print_constraints_debug(struct regulator_dev *rdev) {} in print_constraints_debug() argument
1118 static void print_constraints(struct regulator_dev *rdev) in print_constraints() argument
1120 struct regulation_constraints *constraints = rdev->constraints; in print_constraints()
1122 print_constraints_debug(rdev); in print_constraints()
1125 !regulator_ops_is_valid(rdev, REGULATOR_CHANGE_VOLTAGE)) in print_constraints()
1126 rdev_warn(rdev, in print_constraints()
1130 static int machine_constraints_voltage(struct regulator_dev *rdev, in machine_constraints_voltage() argument
1133 const struct regulator_ops *ops = rdev->desc->ops; in machine_constraints_voltage()
1137 if (rdev->constraints->apply_uV && in machine_constraints_voltage()
1138 rdev->constraints->min_uV && rdev->constraints->max_uV) { in machine_constraints_voltage()
1140 int current_uV = regulator_get_voltage_rdev(rdev); in machine_constraints_voltage()
1144 rdev_info(rdev, "Setting %d-%duV\n", in machine_constraints_voltage()
1145 rdev->constraints->min_uV, in machine_constraints_voltage()
1146 rdev->constraints->max_uV); in machine_constraints_voltage()
1147 _regulator_do_set_voltage(rdev, in machine_constraints_voltage()
1148 rdev->constraints->min_uV, in machine_constraints_voltage()
1149 rdev->constraints->max_uV); in machine_constraints_voltage()
1150 current_uV = regulator_get_voltage_rdev(rdev); in machine_constraints_voltage()
1154 rdev_err(rdev, in machine_constraints_voltage()
1168 if (current_uV < rdev->constraints->min_uV) { in machine_constraints_voltage()
1169 target_min = rdev->constraints->min_uV; in machine_constraints_voltage()
1170 target_max = rdev->constraints->min_uV; in machine_constraints_voltage()
1173 if (current_uV > rdev->constraints->max_uV) { in machine_constraints_voltage()
1174 target_min = rdev->constraints->max_uV; in machine_constraints_voltage()
1175 target_max = rdev->constraints->max_uV; in machine_constraints_voltage()
1179 rdev_info(rdev, "Bringing %duV into %d-%duV\n", in machine_constraints_voltage()
1182 rdev, target_min, target_max); in machine_constraints_voltage()
1184 rdev_err(rdev, in machine_constraints_voltage()
1195 if (ops->list_voltage && rdev->desc->n_voltages) { in machine_constraints_voltage()
1196 int count = rdev->desc->n_voltages; in machine_constraints_voltage()
1219 rdev_err(rdev, "invalid voltage constraints\n"); in machine_constraints_voltage()
1224 if (rdev->desc->continuous_voltage_range) in machine_constraints_voltage()
1231 value = ops->list_voltage(rdev, i); in machine_constraints_voltage()
1244 rdev_err(rdev, in machine_constraints_voltage()
1252 rdev_dbg(rdev, "override min_uV, %d -> %d\n", in machine_constraints_voltage()
1257 rdev_dbg(rdev, "override max_uV, %d -> %d\n", in machine_constraints_voltage()
1266 static int machine_constraints_current(struct regulator_dev *rdev, in machine_constraints_current() argument
1269 const struct regulator_ops *ops = rdev->desc->ops; in machine_constraints_current()
1276 rdev_err(rdev, "Invalid current constraints\n"); in machine_constraints_current()
1281 rdev_warn(rdev, "Operation of current configuration missing\n"); in machine_constraints_current()
1286 ret = ops->set_current_limit(rdev, constraints->min_uA, in machine_constraints_current()
1289 rdev_err(rdev, "Failed to set current constraint, %d\n", ret); in machine_constraints_current()
1296 static int _regulator_do_enable(struct regulator_dev *rdev);
1298 static int notif_set_limit(struct regulator_dev *rdev, in notif_set_limit() argument
1314 return set(rdev, limit, severity, enable); in notif_set_limit()
1317 static int handle_notify_limits(struct regulator_dev *rdev, in handle_notify_limits() argument
1327 ret = notif_set_limit(rdev, set, limits->prot, in handle_notify_limits()
1333 ret = notif_set_limit(rdev, set, limits->err, in handle_notify_limits()
1339 ret = notif_set_limit(rdev, set, limits->warn, in handle_notify_limits()
1354 static int set_machine_constraints(struct regulator_dev *rdev) in set_machine_constraints() argument
1357 const struct regulator_ops *ops = rdev->desc->ops; in set_machine_constraints()
1359 ret = machine_constraints_voltage(rdev, rdev->constraints); in set_machine_constraints()
1363 ret = machine_constraints_current(rdev, rdev->constraints); in set_machine_constraints()
1367 if (rdev->constraints->ilim_uA && ops->set_input_current_limit) { in set_machine_constraints()
1368 ret = ops->set_input_current_limit(rdev, in set_machine_constraints()
1369 rdev->constraints->ilim_uA); in set_machine_constraints()
1371 rdev_err(rdev, "failed to set input limit: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1377 if (rdev->constraints->initial_state) { in set_machine_constraints()
1378 ret = suspend_set_initial_state(rdev); in set_machine_constraints()
1380 rdev_err(rdev, "failed to set suspend state: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1385 if (rdev->constraints->initial_mode) { in set_machine_constraints()
1387 rdev_err(rdev, "no set_mode operation\n"); in set_machine_constraints()
1391 ret = ops->set_mode(rdev, rdev->constraints->initial_mode); in set_machine_constraints()
1393 rdev_err(rdev, "failed to set initial mode: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1396 } else if (rdev->constraints->system_load) { in set_machine_constraints()
1401 drms_uA_update(rdev); in set_machine_constraints()
1404 if ((rdev->constraints->ramp_delay || rdev->constraints->ramp_disable) in set_machine_constraints()
1406 ret = ops->set_ramp_delay(rdev, rdev->constraints->ramp_delay); in set_machine_constraints()
1408 rdev_err(rdev, "failed to set ramp_delay: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1413 if (rdev->constraints->pull_down && ops->set_pull_down) { in set_machine_constraints()
1414 ret = ops->set_pull_down(rdev); in set_machine_constraints()
1416 rdev_err(rdev, "failed to set pull down: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1421 if (rdev->constraints->soft_start && ops->set_soft_start) { in set_machine_constraints()
1422 ret = ops->set_soft_start(rdev); in set_machine_constraints()
1424 rdev_err(rdev, "failed to set soft start: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1443 if (rdev->constraints->over_current_protection in set_machine_constraints()
1445 int lim = rdev->constraints->over_curr_limits.prot; in set_machine_constraints()
1447 ret = ops->set_over_current_protection(rdev, lim, in set_machine_constraints()
1451 rdev_err(rdev, "failed to set over current protection: %pe\n", in set_machine_constraints()
1457 if (rdev->constraints->over_current_detection) in set_machine_constraints()
1458 ret = handle_notify_limits(rdev, in set_machine_constraints()
1460 &rdev->constraints->over_curr_limits); in set_machine_constraints()
1463 rdev_err(rdev, "failed to set over current limits: %pe\n", in set_machine_constraints()
1467 rdev_warn(rdev, in set_machine_constraints()
1471 if (rdev->constraints->over_voltage_detection) in set_machine_constraints()
1472 ret = handle_notify_limits(rdev, in set_machine_constraints()
1474 &rdev->constraints->over_voltage_limits); in set_machine_constraints()
1477 rdev_err(rdev, "failed to set over voltage limits %pe\n", in set_machine_constraints()
1481 rdev_warn(rdev, in set_machine_constraints()
1485 if (rdev->constraints->under_voltage_detection) in set_machine_constraints()
1486 ret = handle_notify_limits(rdev, in set_machine_constraints()
1488 &rdev->constraints->under_voltage_limits); in set_machine_constraints()
1491 rdev_err(rdev, "failed to set under voltage limits %pe\n", in set_machine_constraints()
1495 rdev_warn(rdev, in set_machine_constraints()
1499 if (rdev->constraints->over_temp_detection) in set_machine_constraints()
1500 ret = handle_notify_limits(rdev, in set_machine_constraints()
1502 &rdev->constraints->temp_limits); in set_machine_constraints()
1505 rdev_err(rdev, "failed to set temperature limits %pe\n", in set_machine_constraints()
1509 rdev_warn(rdev, in set_machine_constraints()
1513 if (rdev->constraints->active_discharge && ops->set_active_discharge) { in set_machine_constraints()
1514 bool ad_state = (rdev->constraints->active_discharge == in set_machine_constraints()
1517 ret = ops->set_active_discharge(rdev, ad_state); in set_machine_constraints()
1519 rdev_err(rdev, "failed to set active discharge: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1527 if (rdev->constraints->always_on || rdev->constraints->boot_on) { in set_machine_constraints()
1531 if (rdev->supply_name && !rdev->supply) in set_machine_constraints()
1534 if (rdev->supply) { in set_machine_constraints()
1535 ret = regulator_enable(rdev->supply); in set_machine_constraints()
1537 _regulator_put(rdev->supply); in set_machine_constraints()
1538 rdev->supply = NULL; in set_machine_constraints()
1543 ret = _regulator_do_enable(rdev); in set_machine_constraints()
1545 rdev_err(rdev, "failed to enable: %pe\n", ERR_PTR(ret)); in set_machine_constraints()
1549 if (rdev->constraints->always_on) in set_machine_constraints()
1550 rdev->use_count++; in set_machine_constraints()
1551 } else if (rdev->desc->off_on_delay) { in set_machine_constraints()
1552 rdev->last_off = ktime_get(); in set_machine_constraints()
1555 print_constraints(rdev); in set_machine_constraints()
1568 static int set_supply(struct regulator_dev *rdev, in set_supply() argument
1573 rdev_info(rdev, "supplied by %s\n", rdev_get_name(supply_rdev)); in set_supply()
1578 rdev->supply = create_regulator(supply_rdev, &rdev->dev, "SUPPLY"); in set_supply()
1579 if (rdev->supply == NULL) { in set_supply()
1599 static int set_consumer_device_supply(struct regulator_dev *rdev, in set_consumer_device_supply() argument
1618 new_node->regulator = rdev; in set_consumer_device_supply()
1646 dev_name(&rdev->dev), rdev_get_name(rdev)); in set_consumer_device_supply()
1662 static void unset_regulator_supplies(struct regulator_dev *rdev) in unset_regulator_supplies() argument
1667 if (rdev == node->regulator) { in unset_regulator_supplies()
1681 const struct regulation_constraints *c = regulator->rdev->constraints; in constraint_flags_read_file()
1726 static struct regulator *create_regulator(struct regulator_dev *rdev, in create_regulator() argument
1757 regulator->rdev = rdev; in create_regulator()
1760 regulator_lock(rdev); in create_regulator()
1761 list_add(®ulator->list, &rdev->consumer_list); in create_regulator()
1762 regulator_unlock(rdev); in create_regulator()
1768 err = sysfs_create_link_nowarn(&rdev->dev.kobj, &dev->kobj, in create_regulator()
1771 rdev_dbg(rdev, "could not add device link %s: %pe\n", in create_regulator()
1778 regulator->debugfs = debugfs_create_dir(supply_name, rdev->debugfs); in create_regulator()
1780 rdev_dbg(rdev, "Failed to create debugfs directory\n"); in create_regulator()
1798 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_STATUS) && in create_regulator()
1799 _regulator_is_enabled(rdev)) in create_regulator()
1805 static int _regulator_get_enable_time(struct regulator_dev *rdev) in _regulator_get_enable_time() argument
1807 if (rdev->constraints && rdev->constraints->enable_time) in _regulator_get_enable_time()
1808 return rdev->constraints->enable_time; in _regulator_get_enable_time()
1809 if (rdev->desc->ops->enable_time) in _regulator_get_enable_time()
1810 return rdev->desc->ops->enable_time(rdev); in _regulator_get_enable_time()
1811 return rdev->desc->enable_time; in _regulator_get_enable_time()
1923 static int regulator_resolve_supply(struct regulator_dev *rdev) in regulator_resolve_supply() argument
1926 struct device *dev = rdev->dev.parent; in regulator_resolve_supply()
1930 if (!rdev->supply_name) in regulator_resolve_supply()
1934 if (rdev->supply) in regulator_resolve_supply()
1937 r = regulator_dev_lookup(dev, rdev->supply_name); in regulator_resolve_supply()
1950 rdev->supply_name, rdev->desc->name); in regulator_resolve_supply()
1956 if (r == rdev) { in regulator_resolve_supply()
1958 rdev->desc->name, rdev->supply_name); in regulator_resolve_supply()
1973 if (r->dev.parent && r->dev.parent != rdev->dev.parent) { in regulator_resolve_supply()
1993 regulator_lock(rdev); in regulator_resolve_supply()
1996 if (rdev->supply) { in regulator_resolve_supply()
1997 regulator_unlock(rdev); in regulator_resolve_supply()
2002 ret = set_supply(rdev, r); in regulator_resolve_supply()
2004 regulator_unlock(rdev); in regulator_resolve_supply()
2009 regulator_unlock(rdev); in regulator_resolve_supply()
2016 if (rdev->use_count) { in regulator_resolve_supply()
2017 ret = regulator_enable(rdev->supply); in regulator_resolve_supply()
2019 _regulator_put(rdev->supply); in regulator_resolve_supply()
2020 rdev->supply = NULL; in regulator_resolve_supply()
2033 struct regulator_dev *rdev; in _regulator_get() local
2048 rdev = regulator_dev_lookup(dev, id); in _regulator_get()
2049 if (IS_ERR(rdev)) { in _regulator_get()
2050 ret = PTR_ERR(rdev); in _regulator_get()
2073 rdev = dummy_regulator_rdev; in _regulator_get()
2074 get_device(&rdev->dev); in _regulator_get()
2087 if (rdev->exclusive) { in _regulator_get()
2089 put_device(&rdev->dev); in _regulator_get()
2093 if (get_type == EXCLUSIVE_GET && rdev->open_count) { in _regulator_get()
2095 put_device(&rdev->dev); in _regulator_get()
2100 ret = (rdev->coupling_desc.n_resolved != rdev->coupling_desc.n_coupled); in _regulator_get()
2105 put_device(&rdev->dev); in _regulator_get()
2109 ret = regulator_resolve_supply(rdev); in _regulator_get()
2112 put_device(&rdev->dev); in _regulator_get()
2116 if (!try_module_get(rdev->owner)) { in _regulator_get()
2118 put_device(&rdev->dev); in _regulator_get()
2122 regulator = create_regulator(rdev, dev, id); in _regulator_get()
2125 module_put(rdev->owner); in _regulator_get()
2126 put_device(&rdev->dev); in _regulator_get()
2130 rdev->open_count++; in _regulator_get()
2132 rdev->exclusive = 1; in _regulator_get()
2134 ret = _regulator_is_enabled(rdev); in _regulator_get()
2136 rdev->use_count = 1; in _regulator_get()
2138 rdev->use_count = 0; in _regulator_get()
2141 link = device_link_add(dev, &rdev->dev, DL_FLAG_STATELESS); in _regulator_get()
2222 struct regulator_dev *rdev = regulator->rdev; in destroy_regulator() local
2228 device_link_remove(regulator->dev, &rdev->dev); in destroy_regulator()
2231 sysfs_remove_link(&rdev->dev.kobj, regulator->supply_name); in destroy_regulator()
2234 regulator_lock(rdev); in destroy_regulator()
2237 rdev->open_count--; in destroy_regulator()
2238 rdev->exclusive = 0; in destroy_regulator()
2239 regulator_unlock(rdev); in destroy_regulator()
2248 struct regulator_dev *rdev; in _regulator_put() local
2258 rdev = regulator->rdev; in _regulator_put()
2262 module_put(rdev->owner); in _regulator_put()
2263 put_device(&rdev->dev); in _regulator_put()
2412 static int regulator_ena_gpio_request(struct regulator_dev *rdev, in regulator_ena_gpio_request() argument
2425 rdev_dbg(rdev, "GPIO is already used\n"); in regulator_ena_gpio_request()
2443 rdev->ena_pin = pin; in regulator_ena_gpio_request()
2451 static void regulator_ena_gpio_free(struct regulator_dev *rdev) in regulator_ena_gpio_free() argument
2455 if (!rdev->ena_pin) in regulator_ena_gpio_free()
2460 if (pin != rdev->ena_pin) in regulator_ena_gpio_free()
2472 rdev->ena_pin = NULL; in regulator_ena_gpio_free()
2483 static int regulator_ena_gpio_ctrl(struct regulator_dev *rdev, bool enable) in regulator_ena_gpio_ctrl() argument
2485 struct regulator_enable_gpio *pin = rdev->ena_pin; in regulator_ena_gpio_ctrl()
2563 static inline int _regulator_check_status_enabled(struct regulator_dev *rdev) in _regulator_check_status_enabled() argument
2565 int ret = rdev->desc->ops->get_status(rdev); in _regulator_check_status_enabled()
2568 rdev_info(rdev, "get_status returned error: %d\n", ret); in _regulator_check_status_enabled()
2582 static int _regulator_do_enable(struct regulator_dev *rdev) in _regulator_do_enable() argument
2587 ret = _regulator_get_enable_time(rdev); in _regulator_do_enable()
2591 rdev_warn(rdev, "enable_time() failed: %pe\n", ERR_PTR(ret)); in _regulator_do_enable()
2595 trace_regulator_enable(rdev_get_name(rdev)); in _regulator_do_enable()
2597 if (rdev->desc->off_on_delay && rdev->last_off) { in _regulator_do_enable()
2601 ktime_t end = ktime_add_us(rdev->last_off, rdev->desc->off_on_delay); in _regulator_do_enable()
2608 if (rdev->ena_pin) { in _regulator_do_enable()
2609 if (!rdev->ena_gpio_state) { in _regulator_do_enable()
2610 ret = regulator_ena_gpio_ctrl(rdev, true); in _regulator_do_enable()
2613 rdev->ena_gpio_state = 1; in _regulator_do_enable()
2615 } else if (rdev->desc->ops->enable) { in _regulator_do_enable()
2616 ret = rdev->desc->ops->enable(rdev); in _regulator_do_enable()
2627 trace_regulator_enable_delay(rdev_get_name(rdev)); in _regulator_do_enable()
2635 if (rdev->desc->poll_enabled_time) { in _regulator_do_enable()
2639 _regulator_enable_delay(rdev->desc->poll_enabled_time); in _regulator_do_enable()
2641 if (rdev->desc->ops->get_status) { in _regulator_do_enable()
2642 ret = _regulator_check_status_enabled(rdev); in _regulator_do_enable()
2647 } else if (rdev->desc->ops->is_enabled(rdev)) in _regulator_do_enable()
2650 time_remaining -= rdev->desc->poll_enabled_time; in _regulator_do_enable()
2654 rdev_err(rdev, "Enabled check timed out\n"); in _regulator_do_enable()
2661 trace_regulator_enable_complete(rdev_get_name(rdev)); in _regulator_do_enable()
2688 struct regulator_dev *rdev = regulator->rdev; in _regulator_handle_consumer_enable() local
2690 lockdep_assert_held_once(&rdev->mutex.base); in _regulator_handle_consumer_enable()
2694 return drms_uA_update(rdev); in _regulator_handle_consumer_enable()
2709 struct regulator_dev *rdev = regulator->rdev; in _regulator_handle_consumer_disable() local
2711 lockdep_assert_held_once(&rdev->mutex.base); in _regulator_handle_consumer_disable()
2714 rdev_err(rdev, "Underflow of regulator enable count\n"); in _regulator_handle_consumer_disable()
2720 return drms_uA_update(rdev); in _regulator_handle_consumer_disable()
2728 struct regulator_dev *rdev = regulator->rdev; in _regulator_enable() local
2731 lockdep_assert_held_once(&rdev->mutex.base); in _regulator_enable()
2733 if (rdev->use_count == 0 && rdev->supply) { in _regulator_enable()
2734 ret = _regulator_enable(rdev->supply); in _regulator_enable()
2740 if (rdev->coupling_desc.n_coupled > 1) { in _regulator_enable()
2741 ret = regulator_balance_voltage(rdev, PM_SUSPEND_ON); in _regulator_enable()
2750 if (rdev->use_count == 0) { in _regulator_enable()
2755 ret = _regulator_is_enabled(rdev); in _regulator_enable()
2757 if (!regulator_ops_is_valid(rdev, in _regulator_enable()
2763 ret = _regulator_do_enable(rdev); in _regulator_enable()
2767 _notifier_call_chain(rdev, REGULATOR_EVENT_ENABLE, in _regulator_enable()
2770 rdev_err(rdev, "is_enabled() failed: %pe\n", ERR_PTR(ret)); in _regulator_enable()
2776 rdev->use_count++; in _regulator_enable()
2784 if (rdev->use_count == 0 && rdev->supply) in _regulator_enable()
2785 _regulator_disable(rdev->supply); in _regulator_enable()
2803 struct regulator_dev *rdev = regulator->rdev; in regulator_enable() local
2807 regulator_lock_dependent(rdev, &ww_ctx); in regulator_enable()
2809 regulator_unlock_dependent(rdev, &ww_ctx); in regulator_enable()
2815 static int _regulator_do_disable(struct regulator_dev *rdev) in _regulator_do_disable() argument
2819 trace_regulator_disable(rdev_get_name(rdev)); in _regulator_do_disable()
2821 if (rdev->ena_pin) { in _regulator_do_disable()
2822 if (rdev->ena_gpio_state) { in _regulator_do_disable()
2823 ret = regulator_ena_gpio_ctrl(rdev, false); in _regulator_do_disable()
2826 rdev->ena_gpio_state = 0; in _regulator_do_disable()
2829 } else if (rdev->desc->ops->disable) { in _regulator_do_disable()
2830 ret = rdev->desc->ops->disable(rdev); in _regulator_do_disable()
2835 if (rdev->desc->off_on_delay) in _regulator_do_disable()
2836 rdev->last_off = ktime_get(); in _regulator_do_disable()
2838 trace_regulator_disable_complete(rdev_get_name(rdev)); in _regulator_do_disable()
2846 struct regulator_dev *rdev = regulator->rdev; in _regulator_disable() local
2849 lockdep_assert_held_once(&rdev->mutex.base); in _regulator_disable()
2851 if (WARN(rdev->use_count <= 0, in _regulator_disable()
2852 "unbalanced disables for %s\n", rdev_get_name(rdev))) in _regulator_disable()
2856 if (rdev->use_count == 1 && in _regulator_disable()
2857 (rdev->constraints && !rdev->constraints->always_on)) { in _regulator_disable()
2860 if (regulator_ops_is_valid(rdev, REGULATOR_CHANGE_STATUS)) { in _regulator_disable()
2861 ret = _notifier_call_chain(rdev, in _regulator_disable()
2867 ret = _regulator_do_disable(rdev); in _regulator_disable()
2869 rdev_err(rdev, "failed to disable: %pe\n", ERR_PTR(ret)); in _regulator_disable()
2870 _notifier_call_chain(rdev, in _regulator_disable()
2875 _notifier_call_chain(rdev, REGULATOR_EVENT_DISABLE, in _regulator_disable()
2879 rdev->use_count = 0; in _regulator_disable()
2880 } else if (rdev->use_count > 1) { in _regulator_disable()
2881 rdev->use_count--; in _regulator_disable()
2887 if (ret == 0 && rdev->coupling_desc.n_coupled > 1) in _regulator_disable()
2888 ret = regulator_balance_voltage(rdev, PM_SUSPEND_ON); in _regulator_disable()
2890 if (ret == 0 && rdev->use_count == 0 && rdev->supply) in _regulator_disable()
2891 ret = _regulator_disable(rdev->supply); in _regulator_disable()
2910 struct regulator_dev *rdev = regulator->rdev; in regulator_disable() local
2914 regulator_lock_dependent(rdev, &ww_ctx); in regulator_disable()
2916 regulator_unlock_dependent(rdev, &ww_ctx); in regulator_disable()
2923 static int _regulator_force_disable(struct regulator_dev *rdev) in _regulator_force_disable() argument
2927 lockdep_assert_held_once(&rdev->mutex.base); in _regulator_force_disable()
2929 ret = _notifier_call_chain(rdev, REGULATOR_EVENT_FORCE_DISABLE | in _regulator_force_disable()
2934 ret = _regulator_do_disable(rdev); in _regulator_force_disable()
2936 rdev_err(rdev, "failed to force disable: %pe\n", ERR_PTR(ret)); in _regulator_force_disable()
2937 _notifier_call_chain(rdev, REGULATOR_EVENT_FORCE_DISABLE | in _regulator_force_disable()
2942 _notifier_call_chain(rdev, REGULATOR_EVENT_FORCE_DISABLE | in _regulator_force_disable()
2959 struct regulator_dev *rdev = regulator->rdev; in regulator_force_disable() local
2963 regulator_lock_dependent(rdev, &ww_ctx); in regulator_force_disable()
2965 ret = _regulator_force_disable(regulator->rdev); in regulator_force_disable()
2967 if (rdev->coupling_desc.n_coupled > 1) in regulator_force_disable()
2968 regulator_balance_voltage(rdev, PM_SUSPEND_ON); in regulator_force_disable()
2972 ret = drms_uA_update(rdev); in regulator_force_disable()
2975 if (rdev->use_count != 0 && rdev->supply) in regulator_force_disable()
2976 _regulator_disable(rdev->supply); in regulator_force_disable()
2978 regulator_unlock_dependent(rdev, &ww_ctx); in regulator_force_disable()
2986 struct regulator_dev *rdev = container_of(work, struct regulator_dev, in regulator_disable_work() local
2993 regulator_lock_dependent(rdev, &ww_ctx); in regulator_disable_work()
3001 cancel_delayed_work(&rdev->disable_work); in regulator_disable_work()
3003 list_for_each_entry(regulator, &rdev->consumer_list, list) { in regulator_disable_work()
3015 rdev_err(rdev, "Deferred disable failed: %pe\n", in regulator_disable_work()
3021 if (rdev->coupling_desc.n_coupled > 1) in regulator_disable_work()
3022 regulator_balance_voltage(rdev, PM_SUSPEND_ON); in regulator_disable_work()
3024 regulator_unlock_dependent(rdev, &ww_ctx); in regulator_disable_work()
3041 struct regulator_dev *rdev = regulator->rdev; in regulator_disable_deferred() local
3046 regulator_lock(rdev); in regulator_disable_deferred()
3048 mod_delayed_work(system_power_efficient_wq, &rdev->disable_work, in regulator_disable_deferred()
3050 regulator_unlock(rdev); in regulator_disable_deferred()
3056 static int _regulator_is_enabled(struct regulator_dev *rdev) in _regulator_is_enabled() argument
3059 if (rdev->ena_pin) in _regulator_is_enabled()
3060 return rdev->ena_gpio_state; in _regulator_is_enabled()
3063 if (!rdev->desc->ops->is_enabled) in _regulator_is_enabled()
3066 return rdev->desc->ops->is_enabled(rdev); in _regulator_is_enabled()
3069 static int _regulator_list_voltage(struct regulator_dev *rdev, in _regulator_list_voltage() argument
3072 const struct regulator_ops *ops = rdev->desc->ops; in _regulator_list_voltage()
3075 if (rdev->desc->fixed_uV && rdev->desc->n_voltages == 1 && !selector) in _regulator_list_voltage()
3076 return rdev->desc->fixed_uV; in _regulator_list_voltage()
3079 if (selector >= rdev->desc->n_voltages) in _regulator_list_voltage()
3081 if (selector < rdev->desc->linear_min_sel) in _regulator_list_voltage()
3084 regulator_lock(rdev); in _regulator_list_voltage()
3085 ret = ops->list_voltage(rdev, selector); in _regulator_list_voltage()
3087 regulator_unlock(rdev); in _regulator_list_voltage()
3088 } else if (rdev->is_switch && rdev->supply) { in _regulator_list_voltage()
3089 ret = _regulator_list_voltage(rdev->supply->rdev, in _regulator_list_voltage()
3096 if (ret < rdev->constraints->min_uV) in _regulator_list_voltage()
3098 else if (ret > rdev->constraints->max_uV) in _regulator_list_voltage()
3124 regulator_lock(regulator->rdev); in regulator_is_enabled()
3125 ret = _regulator_is_enabled(regulator->rdev); in regulator_is_enabled()
3126 regulator_unlock(regulator->rdev); in regulator_is_enabled()
3142 struct regulator_dev *rdev = regulator->rdev; in regulator_count_voltages() local
3144 if (rdev->desc->n_voltages) in regulator_count_voltages()
3145 return rdev->desc->n_voltages; in regulator_count_voltages()
3147 if (!rdev->is_switch || !rdev->supply) in regulator_count_voltages()
3150 return regulator_count_voltages(rdev->supply); in regulator_count_voltages()
3166 return _regulator_list_voltage(regulator->rdev, selector, 1); in regulator_list_voltage()
3179 struct regmap *map = regulator->rdev->regmap; in regulator_get_regmap()
3202 struct regulator_dev *rdev = regulator->rdev; in regulator_get_hardware_vsel_register() local
3203 const struct regulator_ops *ops = rdev->desc->ops; in regulator_get_hardware_vsel_register()
3208 *vsel_reg = rdev->desc->vsel_reg; in regulator_get_hardware_vsel_register()
3209 *vsel_mask = rdev->desc->vsel_mask; in regulator_get_hardware_vsel_register()
3229 struct regulator_dev *rdev = regulator->rdev; in regulator_list_hardware_vsel() local
3230 const struct regulator_ops *ops = rdev->desc->ops; in regulator_list_hardware_vsel()
3232 if (selector >= rdev->desc->n_voltages) in regulator_list_hardware_vsel()
3234 if (selector < rdev->desc->linear_min_sel) in regulator_list_hardware_vsel()
3252 struct regulator_dev *rdev = regulator->rdev; in regulator_get_linear_step() local
3254 return rdev->desc->uV_step; in regulator_get_linear_step()
3270 struct regulator_dev *rdev = regulator->rdev; in regulator_is_supported_voltage() local
3274 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_VOLTAGE)) { in regulator_is_supported_voltage()
3283 if (rdev->desc->continuous_voltage_range) in regulator_is_supported_voltage()
3284 return min_uV >= rdev->constraints->min_uV && in regulator_is_supported_voltage()
3285 max_uV <= rdev->constraints->max_uV; in regulator_is_supported_voltage()
3303 static int regulator_map_voltage(struct regulator_dev *rdev, int min_uV, in regulator_map_voltage() argument
3306 const struct regulator_desc *desc = rdev->desc; in regulator_map_voltage()
3309 return desc->ops->map_voltage(rdev, min_uV, max_uV); in regulator_map_voltage()
3312 return regulator_map_voltage_linear(rdev, min_uV, max_uV); in regulator_map_voltage()
3315 return regulator_map_voltage_linear_range(rdev, min_uV, max_uV); in regulator_map_voltage()
3319 return regulator_map_voltage_pickable_linear_range(rdev, in regulator_map_voltage()
3322 return regulator_map_voltage_iterate(rdev, min_uV, max_uV); in regulator_map_voltage()
3325 static int _regulator_call_set_voltage(struct regulator_dev *rdev, in _regulator_call_set_voltage() argument
3332 data.old_uV = regulator_get_voltage_rdev(rdev); in _regulator_call_set_voltage()
3335 ret = _notifier_call_chain(rdev, REGULATOR_EVENT_PRE_VOLTAGE_CHANGE, in _regulator_call_set_voltage()
3340 ret = rdev->desc->ops->set_voltage(rdev, min_uV, max_uV, selector); in _regulator_call_set_voltage()
3344 _notifier_call_chain(rdev, REGULATOR_EVENT_ABORT_VOLTAGE_CHANGE, in _regulator_call_set_voltage()
3350 static int _regulator_call_set_voltage_sel(struct regulator_dev *rdev, in _regulator_call_set_voltage_sel() argument
3356 data.old_uV = regulator_get_voltage_rdev(rdev); in _regulator_call_set_voltage_sel()
3359 ret = _notifier_call_chain(rdev, REGULATOR_EVENT_PRE_VOLTAGE_CHANGE, in _regulator_call_set_voltage_sel()
3364 ret = rdev->desc->ops->set_voltage_sel(rdev, selector); in _regulator_call_set_voltage_sel()
3368 _notifier_call_chain(rdev, REGULATOR_EVENT_ABORT_VOLTAGE_CHANGE, in _regulator_call_set_voltage_sel()
3374 static int _regulator_set_voltage_sel_step(struct regulator_dev *rdev, in _regulator_set_voltage_sel_step() argument
3377 const struct regulator_ops *ops = rdev->desc->ops; in _regulator_set_voltage_sel_step()
3381 if (!_regulator_is_enabled(rdev)) in _regulator_set_voltage_sel_step()
3387 old_sel = ops->get_voltage_sel(rdev); in _regulator_set_voltage_sel_step()
3397 for (curr_sel = old_sel + rdev->desc->vsel_step; in _regulator_set_voltage_sel_step()
3399 curr_sel += rdev->desc->vsel_step) { in _regulator_set_voltage_sel_step()
3406 ret = ops->set_voltage_sel(rdev, curr_sel); in _regulator_set_voltage_sel_step()
3412 for (curr_sel = old_sel - rdev->desc->vsel_step; in _regulator_set_voltage_sel_step()
3414 curr_sel -= rdev->desc->vsel_step) { in _regulator_set_voltage_sel_step()
3415 ret = ops->set_voltage_sel(rdev, curr_sel); in _regulator_set_voltage_sel_step()
3423 return _regulator_call_set_voltage_sel(rdev, uV, new_selector); in _regulator_set_voltage_sel_step()
3430 (void)ops->set_voltage_sel(rdev, old_sel); in _regulator_set_voltage_sel_step()
3434 static int _regulator_set_voltage_time(struct regulator_dev *rdev, in _regulator_set_voltage_time() argument
3439 if (rdev->constraints->ramp_delay) in _regulator_set_voltage_time()
3440 ramp_delay = rdev->constraints->ramp_delay; in _regulator_set_voltage_time()
3441 else if (rdev->desc->ramp_delay) in _regulator_set_voltage_time()
3442 ramp_delay = rdev->desc->ramp_delay; in _regulator_set_voltage_time()
3443 else if (rdev->constraints->settling_time) in _regulator_set_voltage_time()
3444 return rdev->constraints->settling_time; in _regulator_set_voltage_time()
3445 else if (rdev->constraints->settling_time_up && in _regulator_set_voltage_time()
3447 return rdev->constraints->settling_time_up; in _regulator_set_voltage_time()
3448 else if (rdev->constraints->settling_time_down && in _regulator_set_voltage_time()
3450 return rdev->constraints->settling_time_down; in _regulator_set_voltage_time()
3453 rdev_dbg(rdev, "ramp_delay not set\n"); in _regulator_set_voltage_time()
3460 static int _regulator_do_set_voltage(struct regulator_dev *rdev, in _regulator_do_set_voltage() argument
3468 const struct regulator_ops *ops = rdev->desc->ops; in _regulator_do_set_voltage()
3469 int old_uV = regulator_get_voltage_rdev(rdev); in _regulator_do_set_voltage()
3471 trace_regulator_set_voltage(rdev_get_name(rdev), min_uV, max_uV); in _regulator_do_set_voltage()
3473 min_uV += rdev->constraints->uV_offset; in _regulator_do_set_voltage()
3474 max_uV += rdev->constraints->uV_offset; in _regulator_do_set_voltage()
3480 if (_regulator_is_enabled(rdev) && in _regulator_do_set_voltage()
3482 old_selector = ops->get_voltage_sel(rdev); in _regulator_do_set_voltage()
3488 ret = _regulator_call_set_voltage(rdev, min_uV, max_uV, in _regulator_do_set_voltage()
3493 best_val = ops->list_voltage(rdev, in _regulator_do_set_voltage()
3496 best_val = regulator_get_voltage_rdev(rdev); in _regulator_do_set_voltage()
3500 ret = regulator_map_voltage(rdev, min_uV, max_uV); in _regulator_do_set_voltage()
3502 best_val = ops->list_voltage(rdev, ret); in _regulator_do_set_voltage()
3507 else if (rdev->desc->vsel_step) in _regulator_do_set_voltage()
3509 rdev, best_val, selector); in _regulator_do_set_voltage()
3512 rdev, best_val, selector); in _regulator_do_set_voltage()
3530 delay = ops->set_voltage_time_sel(rdev, old_selector, in _regulator_do_set_voltage()
3535 delay = ops->set_voltage_time(rdev, old_uV, in _regulator_do_set_voltage()
3538 delay = _regulator_set_voltage_time(rdev, in _regulator_do_set_voltage()
3545 rdev_warn(rdev, "failed to get delay: %pe\n", ERR_PTR(delay)); in _regulator_do_set_voltage()
3560 _notifier_call_chain(rdev, REGULATOR_EVENT_VOLTAGE_CHANGE, in _regulator_do_set_voltage()
3565 trace_regulator_set_voltage_complete(rdev_get_name(rdev), best_val); in _regulator_do_set_voltage()
3570 static int _regulator_do_set_suspend_voltage(struct regulator_dev *rdev, in _regulator_do_set_suspend_voltage() argument
3576 rstate = regulator_get_suspend_state(rdev, state); in _regulator_do_set_suspend_voltage()
3585 sel = regulator_map_voltage(rdev, min_uV, max_uV); in _regulator_do_set_suspend_voltage()
3589 uV = rdev->desc->ops->list_voltage(rdev, sel); in _regulator_do_set_suspend_voltage()
3600 struct regulator_dev *rdev = regulator->rdev; in regulator_set_voltage_unlocked() local
3617 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_VOLTAGE)) { in regulator_set_voltage_unlocked()
3618 current_uV = regulator_get_voltage_rdev(rdev); in regulator_set_voltage_unlocked()
3627 if (!rdev->desc->ops->set_voltage && in regulator_set_voltage_unlocked()
3628 !rdev->desc->ops->set_voltage_sel) { in regulator_set_voltage_unlocked()
3634 ret = regulator_check_voltage(rdev, &min_uV, &max_uV); in regulator_set_voltage_unlocked()
3645 ret = regulator_balance_voltage(rdev, state); in regulator_set_voltage_unlocked()
3655 int regulator_set_voltage_rdev(struct regulator_dev *rdev, int min_uV, in regulator_set_voltage_rdev() argument
3662 if (rdev->supply && in regulator_set_voltage_rdev()
3663 regulator_ops_is_valid(rdev->supply->rdev, in regulator_set_voltage_rdev()
3665 (rdev->desc->min_dropout_uV || !(rdev->desc->ops->get_voltage || in regulator_set_voltage_rdev()
3666 rdev->desc->ops->get_voltage_sel))) { in regulator_set_voltage_rdev()
3670 selector = regulator_map_voltage(rdev, min_uV, max_uV); in regulator_set_voltage_rdev()
3676 best_supply_uV = _regulator_list_voltage(rdev, selector, 0); in regulator_set_voltage_rdev()
3682 best_supply_uV += rdev->desc->min_dropout_uV; in regulator_set_voltage_rdev()
3684 current_supply_uV = regulator_get_voltage_rdev(rdev->supply->rdev); in regulator_set_voltage_rdev()
3694 ret = regulator_set_voltage_unlocked(rdev->supply, in regulator_set_voltage_rdev()
3697 dev_err(&rdev->dev, "Failed to increase supply voltage: %pe\n", in regulator_set_voltage_rdev()
3704 ret = _regulator_do_set_voltage(rdev, min_uV, max_uV); in regulator_set_voltage_rdev()
3706 ret = _regulator_do_set_suspend_voltage(rdev, min_uV, in regulator_set_voltage_rdev()
3712 ret = regulator_set_voltage_unlocked(rdev->supply, in regulator_set_voltage_rdev()
3715 dev_warn(&rdev->dev, "Failed to decrease supply voltage: %pe\n", in regulator_set_voltage_rdev()
3726 static int regulator_limit_voltage_step(struct regulator_dev *rdev, in regulator_limit_voltage_step() argument
3729 struct regulation_constraints *constraints = rdev->constraints; in regulator_limit_voltage_step()
3732 if (!constraints->max_uV_step || !_regulator_is_enabled(rdev)) in regulator_limit_voltage_step()
3736 *current_uV = regulator_get_voltage_rdev(rdev); in regulator_limit_voltage_step()
3756 static int regulator_get_optimal_voltage(struct regulator_dev *rdev, in regulator_get_optimal_voltage() argument
3762 struct coupling_desc *c_desc = &rdev->coupling_desc; in regulator_get_optimal_voltage()
3764 struct regulation_constraints *constraints = rdev->constraints; in regulator_get_optimal_voltage()
3785 ret = regulator_check_consumers(rdev, in regulator_get_optimal_voltage()
3870 ret = regulator_limit_voltage_step(rdev, current_uV, in regulator_get_optimal_voltage()
3882 if (_regulator_is_enabled(rdev)) { in regulator_get_optimal_voltage()
3883 ret = regulator_get_voltage_rdev(rdev); in regulator_get_optimal_voltage()
3899 int regulator_do_balance_voltage(struct regulator_dev *rdev, in regulator_do_balance_voltage() argument
3904 struct coupling_desc *c_desc = &rdev->coupling_desc; in regulator_do_balance_voltage()
3982 static int regulator_balance_voltage(struct regulator_dev *rdev, in regulator_balance_voltage() argument
3985 struct coupling_desc *c_desc = &rdev->coupling_desc; in regulator_balance_voltage()
3997 rdev_err(rdev, "Not all coupled regulators registered\n"); in regulator_balance_voltage()
4003 return coupler->balance_voltage(coupler, rdev, state); in regulator_balance_voltage()
4005 return regulator_do_balance_voltage(rdev, state, skip_coupled); in regulator_balance_voltage()
4031 regulator_lock_dependent(regulator->rdev, &ww_ctx); in regulator_set_voltage()
4036 regulator_unlock_dependent(regulator->rdev, &ww_ctx); in regulator_set_voltage()
4042 static inline int regulator_suspend_toggle(struct regulator_dev *rdev, in regulator_suspend_toggle() argument
4047 rstate = regulator_get_suspend_state(rdev, state); in regulator_suspend_toggle()
4059 int regulator_suspend_enable(struct regulator_dev *rdev, in regulator_suspend_enable() argument
4062 return regulator_suspend_toggle(rdev, state, true); in regulator_suspend_enable()
4066 int regulator_suspend_disable(struct regulator_dev *rdev, in regulator_suspend_disable() argument
4076 list_for_each_entry(regulator, &rdev->consumer_list, list) { in regulator_suspend_disable()
4082 return regulator_suspend_toggle(rdev, state, false); in regulator_suspend_disable()
4090 struct regulator_dev *rdev = regulator->rdev; in _regulator_set_suspend_voltage() local
4093 rstate = regulator_get_suspend_state(rdev, state); in _regulator_set_suspend_voltage()
4098 rdev_err(rdev, "The suspend voltage can't be changed!\n"); in _regulator_set_suspend_voltage()
4115 regulator_lock_dependent(regulator->rdev, &ww_ctx); in regulator_set_suspend_voltage()
4120 regulator_unlock_dependent(regulator->rdev, &ww_ctx); in regulator_set_suspend_voltage()
4139 struct regulator_dev *rdev = regulator->rdev; in regulator_set_voltage_time() local
4140 const struct regulator_ops *ops = rdev->desc->ops; in regulator_set_voltage_time()
4147 return ops->set_voltage_time(rdev, old_uV, new_uV); in regulator_set_voltage_time()
4149 return _regulator_set_voltage_time(rdev, old_uV, new_uV); in regulator_set_voltage_time()
4152 if (!ops->list_voltage || !rdev->desc->n_voltages) in regulator_set_voltage_time()
4155 for (i = 0; i < rdev->desc->n_voltages; i++) { in regulator_set_voltage_time()
4157 if (i < rdev->desc->linear_min_sel) in regulator_set_voltage_time()
4177 return ops->set_voltage_time_sel(rdev, old_sel, new_sel); in regulator_set_voltage_time()
4193 int regulator_set_voltage_time_sel(struct regulator_dev *rdev, in regulator_set_voltage_time_sel() argument
4200 if (!rdev->desc->ops->list_voltage) in regulator_set_voltage_time_sel()
4203 old_volt = rdev->desc->ops->list_voltage(rdev, old_selector); in regulator_set_voltage_time_sel()
4204 new_volt = rdev->desc->ops->list_voltage(rdev, new_selector); in regulator_set_voltage_time_sel()
4206 if (rdev->desc->ops->set_voltage_time) in regulator_set_voltage_time_sel()
4207 return rdev->desc->ops->set_voltage_time(rdev, old_volt, in regulator_set_voltage_time_sel()
4210 return _regulator_set_voltage_time(rdev, old_volt, new_volt); in regulator_set_voltage_time_sel()
4214 int regulator_sync_voltage_rdev(struct regulator_dev *rdev) in regulator_sync_voltage_rdev() argument
4218 regulator_lock(rdev); in regulator_sync_voltage_rdev()
4220 if (!rdev->desc->ops->set_voltage && in regulator_sync_voltage_rdev()
4221 !rdev->desc->ops->set_voltage_sel) { in regulator_sync_voltage_rdev()
4227 if (rdev->coupling_desc.n_coupled > 1) in regulator_sync_voltage_rdev()
4228 ret = regulator_balance_voltage(rdev, PM_SUSPEND_ON); in regulator_sync_voltage_rdev()
4233 regulator_unlock(rdev); in regulator_sync_voltage_rdev()
4247 struct regulator_dev *rdev = regulator->rdev; in regulator_sync_voltage() local
4251 regulator_lock(rdev); in regulator_sync_voltage()
4253 if (!rdev->desc->ops->set_voltage && in regulator_sync_voltage()
4254 !rdev->desc->ops->set_voltage_sel) { in regulator_sync_voltage()
4269 ret = regulator_check_voltage(rdev, &min_uV, &max_uV); in regulator_sync_voltage()
4273 ret = regulator_check_consumers(rdev, &min_uV, &max_uV, 0); in regulator_sync_voltage()
4278 if (rdev->coupling_desc.n_coupled > 1) in regulator_sync_voltage()
4279 ret = regulator_balance_voltage(rdev, PM_SUSPEND_ON); in regulator_sync_voltage()
4281 ret = _regulator_do_set_voltage(rdev, min_uV, max_uV); in regulator_sync_voltage()
4284 regulator_unlock(rdev); in regulator_sync_voltage()
4289 int regulator_get_voltage_rdev(struct regulator_dev *rdev) in regulator_get_voltage_rdev() argument
4294 if (rdev->desc->ops->get_bypass) { in regulator_get_voltage_rdev()
4295 ret = rdev->desc->ops->get_bypass(rdev, &bypassed); in regulator_get_voltage_rdev()
4300 if (!rdev->supply) { in regulator_get_voltage_rdev()
4301 rdev_err(rdev, in regulator_get_voltage_rdev()
4306 return regulator_get_voltage_rdev(rdev->supply->rdev); in regulator_get_voltage_rdev()
4310 if (rdev->desc->ops->get_voltage_sel) { in regulator_get_voltage_rdev()
4311 sel = rdev->desc->ops->get_voltage_sel(rdev); in regulator_get_voltage_rdev()
4314 ret = rdev->desc->ops->list_voltage(rdev, sel); in regulator_get_voltage_rdev()
4315 } else if (rdev->desc->ops->get_voltage) { in regulator_get_voltage_rdev()
4316 ret = rdev->desc->ops->get_voltage(rdev); in regulator_get_voltage_rdev()
4317 } else if (rdev->desc->ops->list_voltage) { in regulator_get_voltage_rdev()
4318 ret = rdev->desc->ops->list_voltage(rdev, 0); in regulator_get_voltage_rdev()
4319 } else if (rdev->desc->fixed_uV && (rdev->desc->n_voltages == 1)) { in regulator_get_voltage_rdev()
4320 ret = rdev->desc->fixed_uV; in regulator_get_voltage_rdev()
4321 } else if (rdev->supply) { in regulator_get_voltage_rdev()
4322 ret = regulator_get_voltage_rdev(rdev->supply->rdev); in regulator_get_voltage_rdev()
4323 } else if (rdev->supply_name) { in regulator_get_voltage_rdev()
4331 return ret - rdev->constraints->uV_offset; in regulator_get_voltage_rdev()
4349 regulator_lock_dependent(regulator->rdev, &ww_ctx); in regulator_get_voltage()
4350 ret = regulator_get_voltage_rdev(regulator->rdev); in regulator_get_voltage()
4351 regulator_unlock_dependent(regulator->rdev, &ww_ctx); in regulator_get_voltage()
4376 struct regulator_dev *rdev = regulator->rdev; in regulator_set_current_limit() local
4379 regulator_lock(rdev); in regulator_set_current_limit()
4382 if (!rdev->desc->ops->set_current_limit) { in regulator_set_current_limit()
4388 ret = regulator_check_current_limit(rdev, &min_uA, &max_uA); in regulator_set_current_limit()
4392 ret = rdev->desc->ops->set_current_limit(rdev, min_uA, max_uA); in regulator_set_current_limit()
4394 regulator_unlock(rdev); in regulator_set_current_limit()
4399 static int _regulator_get_current_limit_unlocked(struct regulator_dev *rdev) in _regulator_get_current_limit_unlocked() argument
4402 if (!rdev->desc->ops->get_current_limit) in _regulator_get_current_limit_unlocked()
4405 return rdev->desc->ops->get_current_limit(rdev); in _regulator_get_current_limit_unlocked()
4408 static int _regulator_get_current_limit(struct regulator_dev *rdev) in _regulator_get_current_limit() argument
4412 regulator_lock(rdev); in _regulator_get_current_limit()
4413 ret = _regulator_get_current_limit_unlocked(rdev); in _regulator_get_current_limit()
4414 regulator_unlock(rdev); in _regulator_get_current_limit()
4430 return _regulator_get_current_limit(regulator->rdev); in regulator_get_current_limit()
4447 struct regulator_dev *rdev = regulator->rdev; in regulator_set_mode() local
4451 regulator_lock(rdev); in regulator_set_mode()
4454 if (!rdev->desc->ops->set_mode) { in regulator_set_mode()
4460 if (rdev->desc->ops->get_mode) { in regulator_set_mode()
4461 regulator_curr_mode = rdev->desc->ops->get_mode(rdev); in regulator_set_mode()
4469 ret = regulator_mode_constrain(rdev, &mode); in regulator_set_mode()
4473 ret = rdev->desc->ops->set_mode(rdev, mode); in regulator_set_mode()
4475 regulator_unlock(rdev); in regulator_set_mode()
4480 static unsigned int _regulator_get_mode_unlocked(struct regulator_dev *rdev) in _regulator_get_mode_unlocked() argument
4483 if (!rdev->desc->ops->get_mode) in _regulator_get_mode_unlocked()
4486 return rdev->desc->ops->get_mode(rdev); in _regulator_get_mode_unlocked()
4489 static unsigned int _regulator_get_mode(struct regulator_dev *rdev) in _regulator_get_mode() argument
4493 regulator_lock(rdev); in _regulator_get_mode()
4494 ret = _regulator_get_mode_unlocked(rdev); in _regulator_get_mode()
4495 regulator_unlock(rdev); in _regulator_get_mode()
4508 return _regulator_get_mode(regulator->rdev); in regulator_get_mode()
4512 static int rdev_get_cached_err_flags(struct regulator_dev *rdev) in rdev_get_cached_err_flags() argument
4516 if (rdev->use_cached_err) { in rdev_get_cached_err_flags()
4517 spin_lock(&rdev->err_lock); in rdev_get_cached_err_flags()
4518 ret = rdev->cached_err; in rdev_get_cached_err_flags()
4519 spin_unlock(&rdev->err_lock); in rdev_get_cached_err_flags()
4524 static int _regulator_get_error_flags(struct regulator_dev *rdev, in _regulator_get_error_flags() argument
4529 regulator_lock(rdev); in _regulator_get_error_flags()
4531 cached_flags = rdev_get_cached_err_flags(rdev); in _regulator_get_error_flags()
4533 if (rdev->desc->ops->get_error_flags) in _regulator_get_error_flags()
4534 ret = rdev->desc->ops->get_error_flags(rdev, flags); in _regulator_get_error_flags()
4535 else if (!rdev->use_cached_err) in _regulator_get_error_flags()
4540 regulator_unlock(rdev); in _regulator_get_error_flags()
4555 return _regulator_get_error_flags(regulator->rdev, flags); in regulator_get_error_flags()
4595 struct regulator_dev *rdev = regulator->rdev; in regulator_set_load() local
4599 regulator_lock(rdev); in regulator_set_load()
4603 ret = drms_uA_update(rdev); in regulator_set_load()
4607 regulator_unlock(rdev); in regulator_set_load()
4626 struct regulator_dev *rdev = regulator->rdev; in regulator_allow_bypass() local
4627 const char *name = rdev_get_name(rdev); in regulator_allow_bypass()
4630 if (!rdev->desc->ops->set_bypass) in regulator_allow_bypass()
4633 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_BYPASS)) in regulator_allow_bypass()
4636 regulator_lock(rdev); in regulator_allow_bypass()
4639 rdev->bypass_count++; in regulator_allow_bypass()
4641 if (rdev->bypass_count == rdev->open_count) { in regulator_allow_bypass()
4644 ret = rdev->desc->ops->set_bypass(rdev, enable); in regulator_allow_bypass()
4646 rdev->bypass_count--; in regulator_allow_bypass()
4652 rdev->bypass_count--; in regulator_allow_bypass()
4654 if (rdev->bypass_count != rdev->open_count) { in regulator_allow_bypass()
4657 ret = rdev->desc->ops->set_bypass(rdev, enable); in regulator_allow_bypass()
4659 rdev->bypass_count++; in regulator_allow_bypass()
4668 regulator_unlock(rdev); in regulator_allow_bypass()
4684 return blocking_notifier_chain_register(®ulator->rdev->notifier, in regulator_register_notifier()
4699 return blocking_notifier_chain_unregister(®ulator->rdev->notifier, in regulator_unregister_notifier()
4707 static int _notifier_call_chain(struct regulator_dev *rdev, in _notifier_call_chain() argument
4711 return blocking_notifier_call_chain(&rdev->notifier, event, data); in _notifier_call_chain()
4922 int regulator_notifier_call_chain(struct regulator_dev *rdev, in regulator_notifier_call_chain() argument
4925 _notifier_call_chain(rdev, event, data); in regulator_notifier_call_chain()
4990 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_attr_is_visible() local
4991 const struct regulator_ops *ops = rdev->desc->ops; in regulator_attr_is_visible()
5002 if ((ops->get_voltage && ops->get_voltage(rdev) >= 0) || in regulator_attr_is_visible()
5003 (ops->get_voltage_sel && ops->get_voltage_sel(rdev) >= 0) || in regulator_attr_is_visible()
5004 (ops->list_voltage && ops->list_voltage(rdev, 0) >= 0) || in regulator_attr_is_visible()
5005 (rdev->desc->fixed_uV && rdev->desc->n_voltages == 1)) in regulator_attr_is_visible()
5017 return (rdev->ena_pin || ops->is_enabled) ? mode : 0; in regulator_attr_is_visible()
5064 struct regulator_dev *rdev = dev_get_drvdata(dev); in regulator_dev_release() local
5066 kfree(rdev->constraints); in regulator_dev_release()
5067 of_node_put(rdev->dev.of_node); in regulator_dev_release()
5068 kfree(rdev); in regulator_dev_release()
5071 static void rdev_init_debugfs(struct regulator_dev *rdev) in rdev_init_debugfs() argument
5073 struct device *parent = rdev->dev.parent; in rdev_init_debugfs()
5074 const char *rname = rdev_get_name(rdev); in rdev_init_debugfs()
5078 if (parent && rname == rdev->desc->name) { in rdev_init_debugfs()
5084 rdev->debugfs = debugfs_create_dir(rname, debugfs_root); in rdev_init_debugfs()
5085 if (!rdev->debugfs) { in rdev_init_debugfs()
5086 rdev_warn(rdev, "Failed to create debugfs directory\n"); in rdev_init_debugfs()
5090 debugfs_create_u32("use_count", 0444, rdev->debugfs, in rdev_init_debugfs()
5091 &rdev->use_count); in rdev_init_debugfs()
5092 debugfs_create_u32("open_count", 0444, rdev->debugfs, in rdev_init_debugfs()
5093 &rdev->open_count); in rdev_init_debugfs()
5094 debugfs_create_u32("bypass_count", 0444, rdev->debugfs, in rdev_init_debugfs()
5095 &rdev->bypass_count); in rdev_init_debugfs()
5100 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_register_resolve_supply() local
5102 if (regulator_resolve_supply(rdev)) in regulator_register_resolve_supply()
5103 rdev_dbg(rdev, "unable to resolve supply\n"); in regulator_register_resolve_supply()
5118 regulator_find_coupler(struct regulator_dev *rdev) in regulator_find_coupler() argument
5129 err = coupler->attach_regulator(coupler, rdev); in regulator_find_coupler()
5132 rdev->coupling_desc.n_coupled > 2) in regulator_find_coupler()
5151 coupler->detach_regulator(coupler, rdev); in regulator_find_coupler()
5153 rdev_err(rdev, in regulator_find_coupler()
5159 static void regulator_resolve_coupling(struct regulator_dev *rdev) in regulator_resolve_coupling() argument
5161 struct regulator_coupler *coupler = rdev->coupling_desc.coupler; in regulator_resolve_coupling()
5162 struct coupling_desc *c_desc = &rdev->coupling_desc; in regulator_resolve_coupling()
5172 c_rdev = of_parse_coupled_regulator(rdev, i - 1); in regulator_resolve_coupling()
5178 rdev_err(rdev, "coupler mismatch with %s\n", in regulator_resolve_coupling()
5190 static void regulator_remove_coupling(struct regulator_dev *rdev) in regulator_remove_coupling() argument
5192 struct regulator_coupler *coupler = rdev->coupling_desc.coupler; in regulator_remove_coupling()
5193 struct coupling_desc *__c_desc, *c_desc = &rdev->coupling_desc; in regulator_remove_coupling()
5215 if (__c_rdev == rdev) { in regulator_remove_coupling()
5229 err = coupler->detach_regulator(coupler, rdev); in regulator_remove_coupling()
5231 rdev_err(rdev, "failed to detach from coupler: %pe\n", in regulator_remove_coupling()
5235 kfree(rdev->coupling_desc.coupled_rdevs); in regulator_remove_coupling()
5236 rdev->coupling_desc.coupled_rdevs = NULL; in regulator_remove_coupling()
5239 static int regulator_init_coupling(struct regulator_dev *rdev) in regulator_init_coupling() argument
5247 n_phandles = of_get_n_coupled(rdev); in regulator_init_coupling()
5253 rdev->coupling_desc.coupled_rdevs = coupled; in regulator_init_coupling()
5259 rdev->coupling_desc.coupled_rdevs[0] = rdev; in regulator_init_coupling()
5260 rdev->coupling_desc.n_coupled = n_phandles + 1; in regulator_init_coupling()
5261 rdev->coupling_desc.n_resolved++; in regulator_init_coupling()
5267 if (!of_check_coupling_data(rdev)) in regulator_init_coupling()
5271 rdev->coupling_desc.coupler = regulator_find_coupler(rdev); in regulator_init_coupling()
5274 if (IS_ERR(rdev->coupling_desc.coupler)) { in regulator_init_coupling()
5275 err = PTR_ERR(rdev->coupling_desc.coupler); in regulator_init_coupling()
5276 rdev_err(rdev, "failed to get coupler: %pe\n", ERR_PTR(err)); in regulator_init_coupling()
5284 struct regulator_dev *rdev) in generic_coupler_attach() argument
5286 if (rdev->coupling_desc.n_coupled > 2) { in generic_coupler_attach()
5287 rdev_err(rdev, in generic_coupler_attach()
5292 if (!rdev->constraints->always_on) { in generic_coupler_attach()
5293 rdev_err(rdev, in generic_coupler_attach()
5321 struct regulator_dev *rdev; in regulator_register() local
5368 rdev = kzalloc(sizeof(struct regulator_dev), GFP_KERNEL); in regulator_register()
5369 if (rdev == NULL) { in regulator_register()
5373 device_initialize(&rdev->dev); in regulator_register()
5374 spin_lock_init(&rdev->err_lock); in regulator_register()
5387 &rdev->dev.of_node); in regulator_register()
5411 rdev->dev.of_node = of_node_get(config->of_node); in regulator_register()
5414 ww_mutex_init(&rdev->mutex, ®ulator_ww_class); in regulator_register()
5415 rdev->reg_data = config->driver_data; in regulator_register()
5416 rdev->owner = regulator_desc->owner; in regulator_register()
5417 rdev->desc = regulator_desc; in regulator_register()
5419 rdev->regmap = config->regmap; in regulator_register()
5421 rdev->regmap = dev_get_regmap(dev, NULL); in regulator_register()
5423 rdev->regmap = dev_get_regmap(dev->parent, NULL); in regulator_register()
5424 INIT_LIST_HEAD(&rdev->consumer_list); in regulator_register()
5425 INIT_LIST_HEAD(&rdev->list); in regulator_register()
5426 BLOCKING_INIT_NOTIFIER_HEAD(&rdev->notifier); in regulator_register()
5427 INIT_DELAYED_WORK(&rdev->disable_work, regulator_disable_work); in regulator_register()
5431 ret = init_data->regulator_init(rdev->reg_data); in regulator_register()
5437 ret = regulator_ena_gpio_request(rdev, config); in regulator_register()
5439 rdev_err(rdev, "Failed to request enable GPIO: %pe\n", in regulator_register()
5449 rdev->dev.class = ®ulator_class; in regulator_register()
5450 rdev->dev.parent = dev; in regulator_register()
5451 dev_set_name(&rdev->dev, "regulator.%lu", in regulator_register()
5453 dev_set_drvdata(&rdev->dev, rdev); in regulator_register()
5457 rdev->constraints = kmemdup(&init_data->constraints, in regulator_register()
5458 sizeof(*rdev->constraints), in regulator_register()
5461 rdev->constraints = kzalloc(sizeof(*rdev->constraints), in regulator_register()
5463 if (!rdev->constraints) { in regulator_register()
5469 rdev->supply_name = init_data->supply_regulator; in regulator_register()
5471 rdev->supply_name = regulator_desc->supply_name; in regulator_register()
5473 ret = set_machine_constraints(rdev); in regulator_register()
5482 rdev_dbg(rdev, "will resolve supply early: %s\n", in regulator_register()
5483 rdev->supply_name); in regulator_register()
5484 ret = regulator_resolve_supply(rdev); in regulator_register()
5486 ret = set_machine_constraints(rdev); in regulator_register()
5488 rdev_dbg(rdev, "unable to resolve supply early: %pe\n", in regulator_register()
5494 ret = regulator_init_coupling(rdev); in regulator_register()
5501 ret = set_consumer_device_supply(rdev, in regulator_register()
5512 if (!rdev->desc->ops->get_voltage && in regulator_register()
5513 !rdev->desc->ops->list_voltage && in regulator_register()
5514 !rdev->desc->fixed_uV) in regulator_register()
5515 rdev->is_switch = true; in regulator_register()
5517 ret = device_add(&rdev->dev); in regulator_register()
5521 rdev_init_debugfs(rdev); in regulator_register()
5525 regulator_resolve_coupling(rdev); in regulator_register()
5532 return rdev; in regulator_register()
5536 unset_regulator_supplies(rdev); in regulator_register()
5537 regulator_remove_coupling(rdev); in regulator_register()
5540 kfree(rdev->coupling_desc.coupled_rdevs); in regulator_register()
5542 regulator_ena_gpio_free(rdev); in regulator_register()
5548 put_device(&rdev->dev); in regulator_register()
5562 void regulator_unregister(struct regulator_dev *rdev) in regulator_unregister() argument
5564 if (rdev == NULL) in regulator_unregister()
5567 if (rdev->supply) { in regulator_unregister()
5568 while (rdev->use_count--) in regulator_unregister()
5569 regulator_disable(rdev->supply); in regulator_unregister()
5570 regulator_put(rdev->supply); in regulator_unregister()
5573 flush_work(&rdev->disable_work.work); in regulator_unregister()
5577 debugfs_remove_recursive(rdev->debugfs); in regulator_unregister()
5578 WARN_ON(rdev->open_count); in regulator_unregister()
5579 regulator_remove_coupling(rdev); in regulator_unregister()
5580 unset_regulator_supplies(rdev); in regulator_unregister()
5581 list_del(&rdev->list); in regulator_unregister()
5582 regulator_ena_gpio_free(rdev); in regulator_unregister()
5583 device_unregister(&rdev->dev); in regulator_unregister()
5598 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_suspend() local
5603 rstate = regulator_get_suspend_state_check(rdev, state); in regulator_suspend()
5607 regulator_lock(rdev); in regulator_suspend()
5608 ret = __suspend_set_state(rdev, rstate); in regulator_suspend()
5609 regulator_unlock(rdev); in regulator_suspend()
5617 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_resume() local
5621 rstate = regulator_get_suspend_state(rdev, state); in regulator_resume()
5626 if (!rdev->desc->ops->resume) in regulator_resume()
5629 regulator_lock(rdev); in regulator_resume()
5633 ret = rdev->desc->ops->resume(rdev); in regulator_resume()
5635 regulator_unlock(rdev); in regulator_resume()
5685 void *rdev_get_drvdata(struct regulator_dev *rdev) in rdev_get_drvdata() argument
5687 return rdev->reg_data; in rdev_get_drvdata()
5700 return regulator->rdev->reg_data; in regulator_get_drvdata()
5711 regulator->rdev->reg_data = data; in regulator_set_drvdata()
5719 int rdev_get_id(struct regulator_dev *rdev) in rdev_get_id() argument
5721 return rdev->desc->id; in rdev_get_id()
5725 struct device *rdev_get_dev(struct regulator_dev *rdev) in rdev_get_dev() argument
5727 return &rdev->dev; in rdev_get_dev()
5731 struct regmap *rdev_get_regmap(struct regulator_dev *rdev) in rdev_get_regmap() argument
5733 return rdev->regmap; in rdev_get_regmap()
5765 struct regulator_dev *rdev,
5770 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_summary_show_children() local
5773 if (rdev->supply && rdev->supply->rdev == summary_data->parent) in regulator_summary_show_children()
5774 regulator_summary_show_subtree(summary_data->s, rdev, in regulator_summary_show_children()
5781 struct regulator_dev *rdev, in regulator_summary_show_subtree() argument
5789 if (!rdev) in regulator_summary_show_subtree()
5792 opmode = _regulator_get_mode_unlocked(rdev); in regulator_summary_show_subtree()
5795 30 - level * 3, rdev_get_name(rdev), in regulator_summary_show_subtree()
5796 rdev->use_count, rdev->open_count, rdev->bypass_count, in regulator_summary_show_subtree()
5799 seq_printf(s, "%5dmV ", regulator_get_voltage_rdev(rdev) / 1000); in regulator_summary_show_subtree()
5801 _regulator_get_current_limit_unlocked(rdev) / 1000); in regulator_summary_show_subtree()
5803 c = rdev->constraints; in regulator_summary_show_subtree()
5805 switch (rdev->desc->type) { in regulator_summary_show_subtree()
5819 list_for_each_entry(consumer, &rdev->consumer_list, list) { in regulator_summary_show_subtree()
5829 switch (rdev->desc->type) { in regulator_summary_show_subtree()
5848 summary_data.parent = rdev; in regulator_summary_show_subtree()
5862 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_summary_lock_one() local
5866 if (rdev != *lock_data->old_contended_rdev) { in regulator_summary_lock_one()
5867 ret = regulator_lock_nested(rdev, lock_data->ww_ctx); in regulator_summary_lock_one()
5870 *lock_data->new_contended_rdev = rdev; in regulator_summary_lock_one()
5882 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_summary_unlock_one() local
5886 if (rdev == *lock_data->new_contended_rdev) in regulator_summary_unlock_one()
5890 regulator_unlock(rdev); in regulator_summary_unlock_one()
5955 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_summary_show_roots() local
5958 if (!rdev->supply) in regulator_summary_show_roots()
5959 regulator_summary_show_subtree(s, rdev, 0); in regulator_summary_show_roots()
6012 struct regulator_dev *rdev = dev_to_rdev(dev); in regulator_late_cleanup() local
6013 const struct regulator_ops *ops = rdev->desc->ops; in regulator_late_cleanup()
6014 struct regulation_constraints *c = rdev->constraints; in regulator_late_cleanup()
6020 if (!regulator_ops_is_valid(rdev, REGULATOR_CHANGE_STATUS)) in regulator_late_cleanup()
6023 regulator_lock(rdev); in regulator_late_cleanup()
6025 if (rdev->use_count) in regulator_late_cleanup()
6030 enabled = ops->is_enabled(rdev); in regulator_late_cleanup()
6042 rdev_info(rdev, "disabling\n"); in regulator_late_cleanup()
6043 ret = _regulator_do_disable(rdev); in regulator_late_cleanup()
6045 rdev_err(rdev, "couldn't disable: %pe\n", ERR_PTR(ret)); in regulator_late_cleanup()
6052 rdev_warn(rdev, "incomplete constraints, leaving on\n"); in regulator_late_cleanup()
6056 regulator_unlock(rdev); in regulator_late_cleanup()