diff options
Diffstat (limited to 'drivers/power/supply/charger-manager.c')
| -rw-r--r-- | drivers/power/supply/charger-manager.c | 31 |
1 files changed, 14 insertions, 17 deletions
diff --git a/drivers/power/supply/charger-manager.c b/drivers/power/supply/charger-manager.c index d67edb760c94..c49e0e4d02f7 100644 --- a/drivers/power/supply/charger-manager.c +++ b/drivers/power/supply/charger-manager.c @@ -22,6 +22,7 @@ #include <linux/platform_device.h> #include <linux/power/charger-manager.h> #include <linux/regulator/consumer.h> +#include <linux/string_choices.h> #include <linux/sysfs.h> #include <linux/of.h> #include <linux/thermal.h> @@ -221,7 +222,7 @@ static bool is_charging(struct charger_manager *cm) /* If at least one of the charger is charging, return yes */ for (i = 0; cm->desc->psy_charger_stat[i]; i++) { - /* 1. The charger sholuld not be DISABLED */ + /* 1. The charger should not be DISABLED */ if (cm->emergency_stop) continue; if (!cm->charger_enabled) @@ -985,13 +986,10 @@ static int charger_extcon_init(struct charger_manager *cm, cable->nb.notifier_call = charger_extcon_notifier; cable->extcon_dev = extcon_get_extcon_dev(cable->extcon_name); - if (IS_ERR_OR_NULL(cable->extcon_dev)) { + if (IS_ERR(cable->extcon_dev)) { pr_err("Cannot find extcon_dev for %s (cable: %s)\n", cable->extcon_name, cable->name); - if (cable->extcon_dev == NULL) - return -EPROBE_DEFER; - else - return PTR_ERR(cable->extcon_dev); + return PTR_ERR(cable->extcon_dev); } for (i = 0; i < ARRAY_SIZE(extcon_mapping); i++) { @@ -1078,7 +1076,7 @@ static ssize_t charger_name_show(struct device *dev, struct charger_regulator *charger = container_of(attr, struct charger_regulator, attr_name); - return sprintf(buf, "%s\n", charger->regulator_name); + return sysfs_emit(buf, "%s\n", charger->regulator_name); } static ssize_t charger_state_show(struct device *dev, @@ -1091,7 +1089,7 @@ static ssize_t charger_state_show(struct device *dev, if (!charger->externally_control) state = regulator_is_enabled(charger->consumer); - return sprintf(buf, "%s\n", state ? "enabled" : "disabled"); + return sysfs_emit(buf, "%s\n", str_enabled_disabled(state)); } static ssize_t charger_externally_control_show(struct device *dev, @@ -1100,7 +1098,7 @@ static ssize_t charger_externally_control_show(struct device *dev, struct charger_regulator *charger = container_of(attr, struct charger_regulator, attr_externally_control); - return sprintf(buf, "%d\n", charger->externally_control); + return sysfs_emit(buf, "%d\n", charger->externally_control); } static ssize_t charger_externally_control_store(struct device *dev, @@ -1334,7 +1332,7 @@ static struct charger_desc *of_cm_parse_desc(struct device *dev) of_property_read_string(np, "cm-thermal-zone", &desc->thermal_zone); of_property_read_u32(np, "cm-battery-cold", &desc->temp_min); - if (of_get_property(np, "cm-battery-cold-in-minus", NULL)) + if (of_property_read_bool(np, "cm-battery-cold-in-minus")) desc->temp_min *= -1; of_property_read_u32(np, "cm-battery-hot", &desc->temp_max); of_property_read_u32(np, "cm-battery-temp-diff", &desc->temp_diff); @@ -1415,10 +1413,9 @@ static inline struct charger_desc *cm_get_drv_data(struct platform_device *pdev) return dev_get_platdata(&pdev->dev); } -static enum alarmtimer_restart cm_timer_func(struct alarm *alarm, ktime_t now) +static void cm_timer_func(struct alarm *alarm, ktime_t now) { cm_timer_set = false; - return ALARMTIMER_NORESTART; } static int charger_manager_probe(struct platform_device *pdev) @@ -1519,9 +1516,11 @@ static int charger_manager_probe(struct platform_device *pdev) 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); + strscpy(cm->psy_name_buf, psy_default.name, + sizeof(cm->psy_name_buf)); else - strncpy(cm->psy_name_buf, desc->psy_name, PSY_NAME_MAX); + strscpy(cm->psy_name_buf, desc->psy_name, + sizeof(cm->psy_name_buf)); cm->charger_psy_desc.name = cm->psy_name_buf; /* Allocate for psy properties because they may vary */ @@ -1631,7 +1630,7 @@ err_reg_extcon: return ret; } -static int charger_manager_remove(struct platform_device *pdev) +static void charger_manager_remove(struct platform_device *pdev) { struct charger_manager *cm = platform_get_drvdata(pdev); struct charger_desc *desc = cm->desc; @@ -1651,8 +1650,6 @@ static int charger_manager_remove(struct platform_device *pdev) power_supply_unregister(cm->charger_psy); try_charger_enable(cm, false); - - return 0; } static const struct platform_device_id charger_manager_id[] = { |