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path: root/drivers/power/charger-manager.c
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Diffstat (limited to 'drivers/power/charger-manager.c')
-rw-r--r--drivers/power/charger-manager.c161
1 files changed, 95 insertions, 66 deletions
diff --git a/drivers/power/charger-manager.c b/drivers/power/charger-manager.c
index 14b0d85318eb..0aed13f90891 100644
--- a/drivers/power/charger-manager.c
+++ b/drivers/power/charger-manager.c
@@ -103,10 +103,11 @@ static bool is_batt_present(struct charger_manager *cm)
if (!psy)
break;
- ret = psy->get_property(psy,
- POWER_SUPPLY_PROP_PRESENT, &val);
+ ret = power_supply_get_property(psy, POWER_SUPPLY_PROP_PRESENT,
+ &val);
if (ret == 0 && val.intval)
present = true;
+ power_supply_put(psy);
break;
case CM_CHARGER_STAT:
for (i = 0; cm->desc->psy_charger_stat[i]; i++) {
@@ -118,8 +119,9 @@ static bool is_batt_present(struct charger_manager *cm)
continue;
}
- ret = psy->get_property(psy, POWER_SUPPLY_PROP_PRESENT,
- &val);
+ ret = power_supply_get_property(psy,
+ POWER_SUPPLY_PROP_PRESENT, &val);
+ power_supply_put(psy);
if (ret == 0 && val.intval) {
present = true;
break;
@@ -155,7 +157,9 @@ static bool is_ext_pwr_online(struct charger_manager *cm)
continue;
}
- ret = psy->get_property(psy, POWER_SUPPLY_PROP_ONLINE, &val);
+ ret = power_supply_get_property(psy, POWER_SUPPLY_PROP_ONLINE,
+ &val);
+ power_supply_put(psy);
if (ret == 0 && val.intval) {
online = true;
break;
@@ -183,8 +187,9 @@ static int get_batt_uV(struct charger_manager *cm, int *uV)
if (!fuel_gauge)
return -ENODEV;
- ret = fuel_gauge->get_property(fuel_gauge,
+ ret = power_supply_get_property(fuel_gauge,
POWER_SUPPLY_PROP_VOLTAGE_NOW, &val);
+ power_supply_put(fuel_gauge);
if (ret)
return ret;
@@ -223,20 +228,26 @@ static bool is_charging(struct charger_manager *cm)
}
/* 2. The charger should be online (ext-power) */
- ret = psy->get_property(psy, POWER_SUPPLY_PROP_ONLINE, &val);
+ ret = power_supply_get_property(psy, POWER_SUPPLY_PROP_ONLINE,
+ &val);
if (ret) {
dev_warn(cm->dev, "Cannot read ONLINE value from %s\n",
cm->desc->psy_charger_stat[i]);
+ power_supply_put(psy);
continue;
}
- if (val.intval == 0)
+ if (val.intval == 0) {
+ power_supply_put(psy);
continue;
+ }
/*
* 3. The charger should not be FULL, DISCHARGING,
* or NOT_CHARGING.
*/
- ret = psy->get_property(psy, POWER_SUPPLY_PROP_STATUS, &val);
+ ret = power_supply_get_property(psy, POWER_SUPPLY_PROP_STATUS,
+ &val);
+ power_supply_put(psy);
if (ret) {
dev_warn(cm->dev, "Cannot read STATUS value from %s\n",
cm->desc->psy_charger_stat[i]);
@@ -264,6 +275,7 @@ static bool is_full_charged(struct charger_manager *cm)
struct charger_desc *desc = cm->desc;
union power_supply_propval val;
struct power_supply *fuel_gauge;
+ bool is_full = false;
int ret = 0;
int uV;
@@ -279,30 +291,38 @@ static bool is_full_charged(struct charger_manager *cm)
val.intval = 0;
/* Not full if capacity of fuel gauge isn't full */
- ret = fuel_gauge->get_property(fuel_gauge,
+ ret = power_supply_get_property(fuel_gauge,
POWER_SUPPLY_PROP_CHARGE_FULL, &val);
- if (!ret && val.intval > desc->fullbatt_full_capacity)
- return true;
+ if (!ret && val.intval > desc->fullbatt_full_capacity) {
+ is_full = true;
+ goto out;
+ }
}
/* Full, if it's over the fullbatt voltage */
if (desc->fullbatt_uV > 0) {
ret = get_batt_uV(cm, &uV);
- if (!ret && uV >= desc->fullbatt_uV)
- return true;
+ if (!ret && uV >= desc->fullbatt_uV) {
+ is_full = true;
+ goto out;
+ }
}
/* Full, if the capacity is more than fullbatt_soc */
if (desc->fullbatt_soc > 0) {
val.intval = 0;
- ret = fuel_gauge->get_property(fuel_gauge,
+ ret = power_supply_get_property(fuel_gauge,
POWER_SUPPLY_PROP_CAPACITY, &val);
- if (!ret && val.intval >= desc->fullbatt_soc)
- return true;
+ if (!ret && val.intval >= desc->fullbatt_soc) {
+ is_full = true;
+ goto out;
+ }
}
- return false;
+out:
+ power_supply_put(fuel_gauge);
+ return is_full;
}
/**
@@ -575,14 +595,18 @@ static int cm_get_battery_temperature_by_psy(struct charger_manager *cm,
int *temp)
{
struct power_supply *fuel_gauge;
+ int ret;
fuel_gauge = power_supply_get_by_name(cm->desc->psy_fuel_gauge);
if (!fuel_gauge)
return -ENODEV;
- return fuel_gauge->get_property(fuel_gauge,
+ ret = power_supply_get_property(fuel_gauge,
POWER_SUPPLY_PROP_TEMP,
(union power_supply_propval *)temp);
+ power_supply_put(fuel_gauge);
+
+ return ret;
}
static int cm_get_battery_temperature(struct charger_manager *cm,
@@ -861,10 +885,9 @@ static int charger_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
{
- struct charger_manager *cm = container_of(psy,
- struct charger_manager, charger_psy);
+ struct charger_manager *cm = power_supply_get_drvdata(psy);
struct charger_desc *desc = cm->desc;
- struct power_supply *fuel_gauge;
+ struct power_supply *fuel_gauge = NULL;
int ret = 0;
int uV;
@@ -900,26 +923,26 @@ static int charger_get_property(struct power_supply *psy,
ret = -ENODEV;
break;
}
- ret = fuel_gauge->get_property(fuel_gauge,
+ ret = power_supply_get_property(fuel_gauge,
POWER_SUPPLY_PROP_CURRENT_NOW, val);
break;
case POWER_SUPPLY_PROP_TEMP:
case POWER_SUPPLY_PROP_TEMP_AMBIENT:
return cm_get_battery_temperature(cm, &val->intval);
case POWER_SUPPLY_PROP_CAPACITY:
- fuel_gauge = power_supply_get_by_name(cm->desc->psy_fuel_gauge);
- if (!fuel_gauge) {
- ret = -ENODEV;
- break;
- }
-
if (!is_batt_present(cm)) {
/* There is no battery. Assume 100% */
val->intval = 100;
break;
}
- ret = fuel_gauge->get_property(fuel_gauge,
+ fuel_gauge = power_supply_get_by_name(cm->desc->psy_fuel_gauge);
+ if (!fuel_gauge) {
+ ret = -ENODEV;
+ break;
+ }
+
+ ret = power_supply_get_property(fuel_gauge,
POWER_SUPPLY_PROP_CAPACITY, val);
if (ret)
break;
@@ -975,7 +998,7 @@ static int charger_get_property(struct power_supply *psy,
break;
}
- ret = fuel_gauge->get_property(fuel_gauge,
+ ret = power_supply_get_property(fuel_gauge,
POWER_SUPPLY_PROP_CHARGE_NOW,
val);
if (ret) {
@@ -993,6 +1016,8 @@ static int charger_get_property(struct power_supply *psy,
default:
return -EINVAL;
}
+ if (fuel_gauge)
+ power_supply_put(fuel_gauge);
return ret;
}
@@ -1015,7 +1040,7 @@ static enum power_supply_property default_charger_props[] = {
*/
};
-static struct power_supply psy_default = {
+static const struct power_supply_desc psy_default = {
.name = "battery",
.type = POWER_SUPPLY_TYPE_BATTERY,
.properties = default_charger_props,
@@ -1396,7 +1421,7 @@ static int charger_manager_register_sysfs(struct charger_manager *cm)
dev_info(cm->dev, "'%s' regulator's externally_control is %d\n",
charger->regulator_name, charger->externally_control);
- ret = sysfs_create_group(&cm->charger_psy.dev->kobj,
+ ret = sysfs_create_group(&cm->charger_psy->dev.kobj,
&charger->attr_g);
if (ret < 0) {
dev_err(cm->dev, "Cannot create sysfs entry of %s regulator\n",
@@ -1424,13 +1449,13 @@ static int cm_init_thermal_data(struct charger_manager *cm,
int ret;
/* Verify whether fuel gauge provides battery temperature */
- ret = fuel_gauge->get_property(fuel_gauge,
+ ret = power_supply_get_property(fuel_gauge,
POWER_SUPPLY_PROP_TEMP, &val);
if (!ret) {
- cm->charger_psy.properties[cm->charger_psy.num_properties] =
+ cm->charger_psy_desc.properties[cm->charger_psy_desc.num_properties] =
POWER_SUPPLY_PROP_TEMP;
- cm->charger_psy.num_properties++;
+ cm->charger_psy_desc.num_properties++;
cm->desc->measure_battery_temp = true;
}
#ifdef CONFIG_THERMAL
@@ -1441,9 +1466,9 @@ static int cm_init_thermal_data(struct charger_manager *cm,
return PTR_ERR(cm->tzd_batt);
/* Use external thermometer */
- cm->charger_psy.properties[cm->charger_psy.num_properties] =
+ cm->charger_psy_desc.properties[cm->charger_psy_desc.num_properties] =
POWER_SUPPLY_PROP_TEMP_AMBIENT;
- cm->charger_psy.num_properties++;
+ cm->charger_psy_desc.num_properties++;
cm->desc->measure_battery_temp = true;
ret = 0;
}
@@ -1459,7 +1484,7 @@ static int cm_init_thermal_data(struct charger_manager *cm,
return ret;
}
-static struct of_device_id charger_manager_match[] = {
+static const struct of_device_id charger_manager_match[] = {
{
.compatible = "charger-manager",
},
@@ -1603,6 +1628,7 @@ static int charger_manager_probe(struct platform_device *pdev)
int j = 0;
union power_supply_propval val;
struct power_supply *fuel_gauge;
+ struct power_supply_config psy_cfg = {};
if (IS_ERR(desc)) {
dev_err(&pdev->dev, "No platform data (desc) found\n");
@@ -1617,6 +1643,7 @@ static int charger_manager_probe(struct platform_device *pdev)
/* Basic Values. Unspecified are Null or 0 */
cm->dev = &pdev->dev;
cm->desc = desc;
+ psy_cfg.drv_data = cm;
/* Initialize alarm timer */
if (alarmtimer_get_rtcdev()) {
@@ -1672,13 +1699,7 @@ static int charger_manager_probe(struct platform_device *pdev)
desc->psy_charger_stat[i]);
return -ENODEV;
}
- }
-
- fuel_gauge = power_supply_get_by_name(desc->psy_fuel_gauge);
- if (!fuel_gauge) {
- dev_err(&pdev->dev, "Cannot find power supply \"%s\"\n",
- desc->psy_fuel_gauge);
- return -ENODEV;
+ power_supply_put(psy);
}
if (desc->polling_interval_ms == 0 ||
@@ -1696,40 +1717,46 @@ static int charger_manager_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, cm);
- memcpy(&cm->charger_psy, &psy_default, sizeof(psy_default));
+ memcpy(&cm->charger_psy_desc, &psy_default, sizeof(psy_default));
if (!desc->psy_name)
strncpy(cm->psy_name_buf, psy_default.name, PSY_NAME_MAX);
else
strncpy(cm->psy_name_buf, desc->psy_name, PSY_NAME_MAX);
- cm->charger_psy.name = cm->psy_name_buf;
+ cm->charger_psy_desc.name = cm->psy_name_buf;
/* Allocate for psy properties because they may vary */
- cm->charger_psy.properties = devm_kzalloc(&pdev->dev,
+ cm->charger_psy_desc.properties = devm_kzalloc(&pdev->dev,
sizeof(enum power_supply_property)
* (ARRAY_SIZE(default_charger_props) +
NUM_CHARGER_PSY_OPTIONAL), GFP_KERNEL);
- if (!cm->charger_psy.properties)
+ if (!cm->charger_psy_desc.properties)
return -ENOMEM;
- memcpy(cm->charger_psy.properties, default_charger_props,
+ memcpy(cm->charger_psy_desc.properties, default_charger_props,
sizeof(enum power_supply_property) *
ARRAY_SIZE(default_charger_props));
- cm->charger_psy.num_properties = psy_default.num_properties;
+ cm->charger_psy_desc.num_properties = psy_default.num_properties;
/* Find which optional psy-properties are available */
- if (!fuel_gauge->get_property(fuel_gauge,
+ fuel_gauge = power_supply_get_by_name(desc->psy_fuel_gauge);
+ if (!fuel_gauge) {
+ dev_err(&pdev->dev, "Cannot find power supply \"%s\"\n",
+ desc->psy_fuel_gauge);
+ return -ENODEV;
+ }
+ if (!power_supply_get_property(fuel_gauge,
POWER_SUPPLY_PROP_CHARGE_NOW, &val)) {
- cm->charger_psy.properties[cm->charger_psy.num_properties] =
+ cm->charger_psy_desc.properties[cm->charger_psy_desc.num_properties] =
POWER_SUPPLY_PROP_CHARGE_NOW;
- cm->charger_psy.num_properties++;
+ cm->charger_psy_desc.num_properties++;
}
- if (!fuel_gauge->get_property(fuel_gauge,
+ if (!power_supply_get_property(fuel_gauge,
POWER_SUPPLY_PROP_CURRENT_NOW,
&val)) {
- cm->charger_psy.properties[cm->charger_psy.num_properties] =
+ cm->charger_psy_desc.properties[cm->charger_psy_desc.num_properties] =
POWER_SUPPLY_PROP_CURRENT_NOW;
- cm->charger_psy.num_properties++;
+ cm->charger_psy_desc.num_properties++;
}
ret = cm_init_thermal_data(cm, fuel_gauge);
@@ -1737,14 +1764,16 @@ static int charger_manager_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "Failed to initialize thermal data\n");
cm->desc->measure_battery_temp = false;
}
+ power_supply_put(fuel_gauge);
INIT_DELAYED_WORK(&cm->fullbatt_vchk_work, fullbatt_vchk);
- ret = power_supply_register(NULL, &cm->charger_psy);
- if (ret) {
+ cm->charger_psy = power_supply_register(NULL, &cm->charger_psy_desc,
+ &psy_cfg);
+ if (IS_ERR(cm->charger_psy)) {
dev_err(&pdev->dev, "Cannot register charger-manager with name \"%s\"\n",
- cm->charger_psy.name);
- return ret;
+ cm->charger_psy_desc.name);
+ return PTR_ERR(cm->charger_psy);
}
/* Register extcon device for charger cable */
@@ -1790,7 +1819,7 @@ err_reg_sysfs:
struct charger_regulator *charger;
charger = &desc->charger_regulators[i];
- sysfs_remove_group(&cm->charger_psy.dev->kobj,
+ sysfs_remove_group(&cm->charger_psy->dev.kobj,
&charger->attr_g);
}
err_reg_extcon:
@@ -1808,7 +1837,7 @@ err_reg_extcon:
regulator_put(desc->charger_regulators[i].consumer);
}
- power_supply_unregister(&cm->charger_psy);
+ power_supply_unregister(cm->charger_psy);
return ret;
}
@@ -1840,7 +1869,7 @@ static int charger_manager_remove(struct platform_device *pdev)
for (i = 0 ; i < desc->num_charger_regulators ; i++)
regulator_put(desc->charger_regulators[i].consumer);
- power_supply_unregister(&cm->charger_psy);
+ power_supply_unregister(cm->charger_psy);
try_charger_enable(cm, false);
@@ -1999,7 +2028,7 @@ static bool find_power_supply(struct charger_manager *cm,
bool found = false;
for (i = 0; cm->desc->psy_charger_stat[i]; i++) {
- if (!strcmp(psy->name, cm->desc->psy_charger_stat[i])) {
+ if (!strcmp(psy->desc->name, cm->desc->psy_charger_stat[i])) {
found = true;
break;
}