diff options
Diffstat (limited to 'drivers/power/supply')
38 files changed, 537 insertions, 542 deletions
diff --git a/drivers/power/supply/ab8500_btemp.c b/drivers/power/supply/ab8500_btemp.c index 7905eba93d..56f136b2d0 100644 --- a/drivers/power/supply/ab8500_btemp.c +++ b/drivers/power/supply/ab8500_btemp.c @@ -617,8 +617,7 @@ static int ab8500_btemp_get_ext_psy_data(struct device *dev, void *data) */ static void ab8500_btemp_external_power_changed(struct power_supply *psy) { - class_for_each_device(power_supply_class, NULL, psy, - ab8500_btemp_get_ext_psy_data); + power_supply_for_each_device(psy, ab8500_btemp_get_ext_psy_data); } /* ab8500 btemp driver interrupts and their respective isr */ diff --git a/drivers/power/supply/ab8500_chargalg.c b/drivers/power/supply/ab8500_chargalg.c index de912658fa..55ab7a2805 100644 --- a/drivers/power/supply/ab8500_chargalg.c +++ b/drivers/power/supply/ab8500_chargalg.c @@ -1231,8 +1231,7 @@ static void ab8500_chargalg_algorithm(struct ab8500_chargalg *di) int ret; /* Collect data from all power_supply class devices */ - class_for_each_device(power_supply_class, NULL, - di->chargalg_psy, ab8500_chargalg_get_ext_psy_data); + power_supply_for_each_device(di->chargalg_psy, ab8500_chargalg_get_ext_psy_data); ab8500_chargalg_end_of_charge(di); ab8500_chargalg_check_temp(di); diff --git a/drivers/power/supply/ab8500_charger.c b/drivers/power/supply/ab8500_charger.c index d72f32c663..4b0ad1b4b4 100644 --- a/drivers/power/supply/ab8500_charger.c +++ b/drivers/power/supply/ab8500_charger.c @@ -488,8 +488,10 @@ static int ab8500_charger_get_ac_voltage(struct ab8500_charger *di) /* Only measure voltage if the charger is connected */ if (di->ac.charger_connected) { ret = iio_read_channel_processed(di->adc_main_charger_v, &vch); - if (ret < 0) + if (ret < 0) { dev_err(di->dev, "%s ADC conv failed,\n", __func__); + return ret; + } } else { vch = 0; } @@ -540,8 +542,10 @@ static int ab8500_charger_get_vbus_voltage(struct ab8500_charger *di) /* Only measure voltage if the charger is connected */ if (di->usb.charger_connected) { ret = iio_read_channel_processed(di->adc_vbus_v, &vch); - if (ret < 0) + if (ret < 0) { dev_err(di->dev, "%s ADC conv failed,\n", __func__); + return ret; + } } else { vch = 0; } @@ -563,8 +567,10 @@ static int ab8500_charger_get_usb_current(struct ab8500_charger *di) /* Only measure current if the charger is online */ if (di->usb.charger_online) { ret = iio_read_channel_processed(di->adc_usb_charger_c, &ich); - if (ret < 0) + if (ret < 0) { dev_err(di->dev, "%s ADC conv failed,\n", __func__); + return ret; + } } else { ich = 0; } @@ -586,8 +592,10 @@ static int ab8500_charger_get_ac_current(struct ab8500_charger *di) /* Only measure current if the charger is online */ if (di->ac.charger_online) { ret = iio_read_channel_processed(di->adc_main_charger_c, &ich); - if (ret < 0) + if (ret < 0) { dev_err(di->dev, "%s ADC conv failed,\n", __func__); + return ret; + } } else { ich = 0; } @@ -1949,8 +1957,7 @@ static void ab8500_charger_check_vbat_work(struct work_struct *work) struct ab8500_charger *di = container_of(work, struct ab8500_charger, check_vbat_work.work); - class_for_each_device(power_supply_class, NULL, - &di->usb_chg, ab8500_charger_get_ext_psy_data); + power_supply_for_each_device(&di->usb_chg, ab8500_charger_get_ext_psy_data); /* First run old_vbat is 0. */ if (di->old_vbat == 0) diff --git a/drivers/power/supply/ab8500_fg.c b/drivers/power/supply/ab8500_fg.c index 8c593fbdd4..2ccaf6116c 100644 --- a/drivers/power/supply/ab8500_fg.c +++ b/drivers/power/supply/ab8500_fg.c @@ -2407,8 +2407,7 @@ out: */ static void ab8500_fg_external_power_changed(struct power_supply *psy) { - class_for_each_device(power_supply_class, NULL, psy, - ab8500_fg_get_ext_psy_data); + power_supply_for_each_device(psy, ab8500_fg_get_ext_psy_data); } /** diff --git a/drivers/power/supply/apm_power.c b/drivers/power/supply/apm_power.c index 9d1a7fbcae..8ef1b6f1f7 100644 --- a/drivers/power/supply/apm_power.c +++ b/drivers/power/supply/apm_power.c @@ -79,8 +79,7 @@ static void find_main_battery(void) main_battery = NULL; bp.main = main_battery; - error = class_for_each_device(power_supply_class, NULL, &bp, - __find_main_battery); + error = power_supply_for_each_device(&bp, __find_main_battery); if (error) { main_battery = bp.main; return; diff --git a/drivers/power/supply/axp20x_usb_power.c b/drivers/power/supply/axp20x_usb_power.c index e23308ad4c..dae7e5cfc5 100644 --- a/drivers/power/supply/axp20x_usb_power.c +++ b/drivers/power/supply/axp20x_usb_power.c @@ -50,20 +50,24 @@ struct axp_data { const char * const *irq_names; unsigned int num_irq_names; const int *curr_lim_table; + int curr_lim_table_size; struct reg_field curr_lim_fld; struct reg_field vbus_valid_bit; struct reg_field vbus_mon_bit; struct reg_field usb_bc_en_bit; + struct reg_field usb_bc_det_fld; struct reg_field vbus_disable_bit; bool vbus_needs_polling: 1; }; struct axp20x_usb_power { + struct device *dev; struct regmap *regmap; struct regmap_field *curr_lim_fld; struct regmap_field *vbus_valid_bit; struct regmap_field *vbus_mon_bit; struct regmap_field *usb_bc_en_bit; + struct regmap_field *usb_bc_det_fld; struct regmap_field *vbus_disable_bit; struct power_supply *supply; const struct axp_data *axp_data; @@ -115,6 +119,15 @@ static void axp20x_usb_power_poll_vbus(struct work_struct *work) if (val != power->old_status) power_supply_changed(power->supply); + if (power->usb_bc_en_bit && (val & AXP20X_PWR_STATUS_VBUS_PRESENT) != + (power->old_status & AXP20X_PWR_STATUS_VBUS_PRESENT)) { + dev_dbg(power->dev, "Cable status changed, re-enabling USB BC"); + ret = regmap_field_write(power->usb_bc_en_bit, 1); + if (ret) + dev_err(power->dev, "failed to enable USB BC: errno %d", + ret); + } + power->old_status = val; power->online = val & AXP20X_PWR_STATUS_VBUS_USED; @@ -123,6 +136,37 @@ out: mod_delayed_work(system_power_efficient_wq, &power->vbus_detect, DEBOUNCE_TIME); } +static int axp20x_get_usb_type(struct axp20x_usb_power *power, + union power_supply_propval *val) +{ + unsigned int reg; + int ret; + + if (!power->usb_bc_det_fld) + return -EINVAL; + + ret = regmap_field_read(power->usb_bc_det_fld, ®); + if (ret) + return ret; + + switch (reg) { + case 1: + val->intval = POWER_SUPPLY_USB_TYPE_SDP; + break; + case 2: + val->intval = POWER_SUPPLY_USB_TYPE_CDP; + break; + case 3: + val->intval = POWER_SUPPLY_USB_TYPE_DCP; + break; + default: + val->intval = POWER_SUPPLY_USB_TYPE_UNKNOWN; + break; + } + + return 0; +} + static int axp20x_usb_power_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) { @@ -160,12 +204,16 @@ static int axp20x_usb_power_get_property(struct power_supply *psy, val->intval = ret * 1700; /* 1 step = 1.7 mV */ return 0; - case POWER_SUPPLY_PROP_CURRENT_MAX: + case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT: ret = regmap_field_read(power->curr_lim_fld, &v); if (ret) return ret; - val->intval = power->axp_data->curr_lim_table[v]; + if (v < power->axp_data->curr_lim_table_size) + val->intval = power->axp_data->curr_lim_table[v]; + else + val->intval = power->axp_data->curr_lim_table[ + power->axp_data->curr_lim_table_size - 1]; return 0; case POWER_SUPPLY_PROP_CURRENT_NOW: if (IS_ENABLED(CONFIG_AXP20X_ADC)) { @@ -189,6 +237,9 @@ static int axp20x_usb_power_get_property(struct power_supply *psy, val->intval = ret * 375; /* 1 step = 0.375 mA */ return 0; + + case POWER_SUPPLY_PROP_USB_TYPE: + return axp20x_get_usb_type(power, val); default: break; } @@ -256,19 +307,37 @@ static int axp20x_usb_power_set_voltage_min(struct axp20x_usb_power *power, return -EINVAL; } -static int axp20x_usb_power_set_current_max(struct axp20x_usb_power *power, int intval) +static int axp20x_usb_power_set_input_current_limit(struct axp20x_usb_power *power, + int intval) { - const unsigned int max = GENMASK(power->axp_data->curr_lim_fld.msb, - power->axp_data->curr_lim_fld.lsb); + int ret; + unsigned int reg; + const unsigned int max = power->axp_data->curr_lim_table_size; if (intval == -1) return -EINVAL; - for (unsigned int i = 0; i <= max; ++i) - if (power->axp_data->curr_lim_table[i] == intval) - return regmap_field_write(power->curr_lim_fld, i); + /* + * BC1.2 detection can cause a race condition if we try to set a current + * limit while it's in progress. When it finishes it will overwrite the + * current limit we just set. + */ + if (power->usb_bc_en_bit) { + dev_dbg(power->dev, + "disabling BC1.2 detection because current limit was set"); + ret = regmap_field_write(power->usb_bc_en_bit, 0); + if (ret) + return ret; + } + + for (reg = max - 1; reg > 0; reg--) + if (power->axp_data->curr_lim_table[reg] <= intval) + break; + + dev_dbg(power->dev, "setting input current limit reg to %d (%d uA), requested %d uA", + reg, power->axp_data->curr_lim_table[reg], intval); - return -EINVAL; + return regmap_field_write(power->curr_lim_fld, reg); } static int axp20x_usb_power_set_property(struct power_supply *psy, @@ -287,8 +356,8 @@ static int axp20x_usb_power_set_property(struct power_supply *psy, case POWER_SUPPLY_PROP_VOLTAGE_MIN: return axp20x_usb_power_set_voltage_min(power, val->intval); - case POWER_SUPPLY_PROP_CURRENT_MAX: - return axp20x_usb_power_set_current_max(power, val->intval); + case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT: + return axp20x_usb_power_set_input_current_limit(power, val->intval); default: return -EINVAL; @@ -313,7 +382,7 @@ static int axp20x_usb_power_prop_writeable(struct power_supply *psy, return power->vbus_disable_bit != NULL; return psp == POWER_SUPPLY_PROP_VOLTAGE_MIN || - psp == POWER_SUPPLY_PROP_CURRENT_MAX; + psp == POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT; } static enum power_supply_property axp20x_usb_power_properties[] = { @@ -322,7 +391,7 @@ static enum power_supply_property axp20x_usb_power_properties[] = { POWER_SUPPLY_PROP_ONLINE, POWER_SUPPLY_PROP_VOLTAGE_MIN, POWER_SUPPLY_PROP_VOLTAGE_NOW, - POWER_SUPPLY_PROP_CURRENT_MAX, + POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT, POWER_SUPPLY_PROP_CURRENT_NOW, }; @@ -331,7 +400,23 @@ static enum power_supply_property axp22x_usb_power_properties[] = { POWER_SUPPLY_PROP_PRESENT, POWER_SUPPLY_PROP_ONLINE, POWER_SUPPLY_PROP_VOLTAGE_MIN, - POWER_SUPPLY_PROP_CURRENT_MAX, + POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT, +}; + +static enum power_supply_property axp813_usb_power_properties[] = { + POWER_SUPPLY_PROP_HEALTH, + POWER_SUPPLY_PROP_PRESENT, + POWER_SUPPLY_PROP_ONLINE, + POWER_SUPPLY_PROP_VOLTAGE_MIN, + POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT, + POWER_SUPPLY_PROP_USB_TYPE, +}; + +static enum power_supply_usb_type axp813_usb_types[] = { + POWER_SUPPLY_USB_TYPE_SDP, + POWER_SUPPLY_USB_TYPE_DCP, + POWER_SUPPLY_USB_TYPE_CDP, + POWER_SUPPLY_USB_TYPE_UNKNOWN, }; static const struct power_supply_desc axp20x_usb_power_desc = { @@ -354,6 +439,18 @@ static const struct power_supply_desc axp22x_usb_power_desc = { .set_property = axp20x_usb_power_set_property, }; +static const struct power_supply_desc axp813_usb_power_desc = { + .name = "axp20x-usb", + .type = POWER_SUPPLY_TYPE_USB, + .properties = axp813_usb_power_properties, + .num_properties = ARRAY_SIZE(axp813_usb_power_properties), + .property_is_writeable = axp20x_usb_power_prop_writeable, + .get_property = axp20x_usb_power_get_property, + .set_property = axp20x_usb_power_set_property, + .usb_types = axp813_usb_types, + .num_usb_types = ARRAY_SIZE(axp813_usb_types), +}; + static const char * const axp20x_irq_names[] = { "VBUS_PLUGIN", "VBUS_REMOVAL", @@ -388,10 +485,15 @@ static int axp221_usb_curr_lim_table[] = { }; static int axp813_usb_curr_lim_table[] = { + 100000, + 500000, 900000, 1500000, 2000000, 2500000, + 3000000, + 3500000, + 4000000, }; static const struct axp_data axp192_data = { @@ -399,6 +501,7 @@ static const struct axp_data axp192_data = { .irq_names = axp20x_irq_names, .num_irq_names = ARRAY_SIZE(axp20x_irq_names), .curr_lim_table = axp192_usb_curr_lim_table, + .curr_lim_table_size = ARRAY_SIZE(axp192_usb_curr_lim_table), .curr_lim_fld = REG_FIELD(AXP20X_VBUS_IPSOUT_MGMT, 0, 1), .vbus_valid_bit = REG_FIELD(AXP192_USB_OTG_STATUS, 2, 2), .vbus_mon_bit = REG_FIELD(AXP20X_VBUS_MON, 3, 3), @@ -409,6 +512,7 @@ static const struct axp_data axp202_data = { .irq_names = axp20x_irq_names, .num_irq_names = ARRAY_SIZE(axp20x_irq_names), .curr_lim_table = axp20x_usb_curr_lim_table, + .curr_lim_table_size = ARRAY_SIZE(axp20x_usb_curr_lim_table), .curr_lim_fld = REG_FIELD(AXP20X_VBUS_IPSOUT_MGMT, 0, 1), .vbus_valid_bit = REG_FIELD(AXP20X_USB_OTG_STATUS, 2, 2), .vbus_mon_bit = REG_FIELD(AXP20X_VBUS_MON, 3, 3), @@ -419,6 +523,7 @@ static const struct axp_data axp221_data = { .irq_names = axp22x_irq_names, .num_irq_names = ARRAY_SIZE(axp22x_irq_names), .curr_lim_table = axp221_usb_curr_lim_table, + .curr_lim_table_size = ARRAY_SIZE(axp221_usb_curr_lim_table), .curr_lim_fld = REG_FIELD(AXP20X_VBUS_IPSOUT_MGMT, 0, 1), .vbus_needs_polling = true, }; @@ -428,17 +533,20 @@ static const struct axp_data axp223_data = { .irq_names = axp22x_irq_names, .num_irq_names = ARRAY_SIZE(axp22x_irq_names), .curr_lim_table = axp20x_usb_curr_lim_table, + .curr_lim_table_size = ARRAY_SIZE(axp20x_usb_curr_lim_table), .curr_lim_fld = REG_FIELD(AXP20X_VBUS_IPSOUT_MGMT, 0, 1), .vbus_needs_polling = true, }; static const struct axp_data axp813_data = { - .power_desc = &axp22x_usb_power_desc, + .power_desc = &axp813_usb_power_desc, .irq_names = axp22x_irq_names, .num_irq_names = ARRAY_SIZE(axp22x_irq_names), .curr_lim_table = axp813_usb_curr_lim_table, - .curr_lim_fld = REG_FIELD(AXP20X_VBUS_IPSOUT_MGMT, 0, 1), + .curr_lim_table_size = ARRAY_SIZE(axp813_usb_curr_lim_table), + .curr_lim_fld = REG_FIELD(AXP22X_CHRG_CTRL3, 4, 7), .usb_bc_en_bit = REG_FIELD(AXP288_BC_GLOBAL, 0, 0), + .usb_bc_det_fld = REG_FIELD(AXP288_BC_DET_STAT, 5, 7), .vbus_disable_bit = REG_FIELD(AXP20X_VBUS_IPSOUT_MGMT, 7, 7), .vbus_needs_polling = true, }; @@ -558,6 +666,7 @@ static int axp20x_usb_power_probe(struct platform_device *pdev) platform_set_drvdata(pdev, power); + power->dev = &pdev->dev; power->axp_data = axp_data; power->regmap = axp20x->regmap; power->num_irqs = axp_data->num_irq_names; @@ -586,6 +695,12 @@ static int axp20x_usb_power_probe(struct platform_device *pdev) return ret; ret = axp20x_regmap_field_alloc_optional(&pdev->dev, power->regmap, + axp_data->usb_bc_det_fld, + &power->usb_bc_det_fld); + if (ret) + return ret; + + ret = axp20x_regmap_field_alloc_optional(&pdev->dev, power->regmap, axp_data->vbus_disable_bit, &power->vbus_disable_bit); if (ret) diff --git a/drivers/power/supply/axp288_charger.c b/drivers/power/supply/axp288_charger.c index b5903193e2..ac05942e4e 100644 --- a/drivers/power/supply/axp288_charger.c +++ b/drivers/power/supply/axp288_charger.c @@ -178,18 +178,18 @@ static inline int axp288_charger_set_cv(struct axp288_chrg_info *info, int cv) u8 reg_val; int ret; - if (cv <= CV_4100MV) { - reg_val = CHRG_CCCV_CV_4100MV; - cv = CV_4100MV; - } else if (cv <= CV_4150MV) { - reg_val = CHRG_CCCV_CV_4150MV; - cv = CV_4150MV; - } else if (cv <= CV_4200MV) { + if (cv >= CV_4350MV) { + reg_val = CHRG_CCCV_CV_4350MV; + cv = CV_4350MV; + } else if (cv >= CV_4200MV) { reg_val = CHRG_CCCV_CV_4200MV; cv = CV_4200MV; + } else if (cv >= CV_4150MV) { + reg_val = CHRG_CCCV_CV_4150MV; + cv = CV_4150MV; } else { - reg_val = CHRG_CCCV_CV_4350MV; - cv = CV_4350MV; + reg_val = CHRG_CCCV_CV_4100MV; + cv = CV_4100MV; } reg_val = reg_val << CHRG_CCCV_CV_BIT_POS; @@ -337,8 +337,8 @@ static int axp288_charger_usb_set_property(struct power_supply *psy, } break; case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE: - scaled_val = min(val->intval, info->max_cv); - scaled_val = DIV_ROUND_CLOSEST(scaled_val, 1000); + scaled_val = DIV_ROUND_CLOSEST(val->intval, 1000); + scaled_val = min(scaled_val, info->max_cv); ret = axp288_charger_set_cv(info, scaled_val); if (ret < 0) { dev_warn(&info->pdev->dev, "set charge voltage failed\n"); diff --git a/drivers/power/supply/axp288_fuel_gauge.c b/drivers/power/supply/axp288_fuel_gauge.c index 3be6f3b10e..95d9a35243 100644 --- a/drivers/power/supply/axp288_fuel_gauge.c +++ b/drivers/power/supply/axp288_fuel_gauge.c @@ -550,18 +550,20 @@ static const struct dmi_system_id axp288_quirks[] = { .driver_data = (void *)AXP288_QUIRK_NO_BATTERY, }, { - /* Intel Cherry Trail Compute Stick, Windows version */ + /* Intel Bay Trail Compute Stick */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Intel"), - DMI_MATCH(DMI_PRODUCT_NAME, "STK1AW32SC"), + /* Partial match for STCK1A32WFC STCK1A32FC, STCK1A8LFC variants */ + DMI_MATCH(DMI_PRODUCT_NAME, "STCK1A"), }, .driver_data = (void *)AXP288_QUIRK_NO_BATTERY, }, { - /* Intel Cherry Trail Compute Stick, version without an OS */ + /* Intel Cherry Trail Compute Stick */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Intel"), - DMI_MATCH(DMI_PRODUCT_NAME, "STK1A32SC"), + /* Partial match for STK1AW32SC and STK1A32SC variants */ + DMI_MATCH(DMI_PRODUCT_NAME, "STK1A"), }, .driver_data = (void *)AXP288_QUIRK_NO_BATTERY, }, @@ -600,6 +602,14 @@ static const struct dmi_system_id axp288_quirks[] = { .driver_data = NULL, }, { + /* Radxa ROCK Pi X Single Board Computer */ + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "ROCK Pi X"), + DMI_MATCH(DMI_BOARD_VENDOR, "Radxa"), + }, + .driver_data = (void *)AXP288_QUIRK_NO_BATTERY, + }, + { /* * Various Ace PC/Meegopad/MinisForum/Wintel Mini-PCs/HDMI-sticks * This entry must be last because it is generic, this allows diff --git a/drivers/power/supply/bq2415x_charger.c b/drivers/power/supply/bq2415x_charger.c index 6a4798a625..25e28dac90 100644 --- a/drivers/power/supply/bq2415x_charger.c +++ b/drivers/power/supply/bq2415x_charger.c @@ -991,6 +991,7 @@ static enum power_supply_property bq2415x_power_supply_props[] = { /* TODO: maybe add more power supply properties */ POWER_SUPPLY_PROP_STATUS, POWER_SUPPLY_PROP_MODEL_NAME, + POWER_SUPPLY_PROP_ONLINE, }; static int bq2415x_power_supply_get_property(struct power_supply *psy, @@ -1017,6 +1018,15 @@ static int bq2415x_power_supply_get_property(struct power_supply *psy, case POWER_SUPPLY_PROP_MODEL_NAME: val->strval = bq->model; break; + case POWER_SUPPLY_PROP_ONLINE: + /* VBUS is present for all charging and fault states, + * except the 'Ready' state. + */ + ret = bq2415x_exec_command(bq, BQ2415X_CHARGE_STATUS); + if (ret < 0) + return ret; + val->intval = ret > 0; + break; default: return -EINVAL; } diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c index 1c4a9d1377..750fda5433 100644 --- a/drivers/power/supply/bq27xxx_battery.c +++ b/drivers/power/supply/bq27xxx_battery.c @@ -1545,7 +1545,8 @@ static int bq27xxx_battery_read_soc(struct bq27xxx_device_info *di) * Return a battery charge value in µAh * Or < 0 if something fails. */ -static int bq27xxx_battery_read_charge(struct bq27xxx_device_info *di, u8 reg) +static int bq27xxx_battery_read_charge(struct bq27xxx_device_info *di, u8 reg, + union power_supply_propval *val) { int charge; @@ -1561,51 +1562,63 @@ static int bq27xxx_battery_read_charge(struct bq27xxx_device_info *di, u8 reg) else charge *= 1000; - return charge; + val->intval = charge; + + return 0; } /* * Return the battery Nominal available capacity in µAh * Or < 0 if something fails. */ -static inline int bq27xxx_battery_read_nac(struct bq27xxx_device_info *di) +static inline int bq27xxx_battery_read_nac(struct bq27xxx_device_info *di, + union power_supply_propval *val) { - return bq27xxx_battery_read_charge(di, BQ27XXX_REG_NAC); + return bq27xxx_battery_read_charge(di, BQ27XXX_REG_NAC, val); } /* * Return the battery Remaining Capacity in µAh * Or < 0 if something fails. */ -static inline int bq27xxx_battery_read_rc(struct bq27xxx_device_info *di) +static inline int bq27xxx_battery_read_rc(struct bq27xxx_device_info *di, + union power_supply_propval *val) { - return bq27xxx_battery_read_charge(di, BQ27XXX_REG_RC); + return bq27xxx_battery_read_charge(di, BQ27XXX_REG_RC, val); } /* * Return the battery Full Charge Capacity in µAh * Or < 0 if something fails. */ -static inline int bq27xxx_battery_read_fcc(struct bq27xxx_device_info *di) +static inline int bq27xxx_battery_read_fcc(struct bq27xxx_device_info *di, + union power_supply_propval *val) { - return bq27xxx_battery_read_charge(di, BQ27XXX_REG_FCC); + return bq27xxx_battery_read_charge(di, BQ27XXX_REG_FCC, val); } /* * Return the Design Capacity in µAh * Or < 0 if something fails. */ -static int bq27xxx_battery_read_dcap(struct bq27xxx_device_info *di) +static int bq27xxx_battery_read_dcap(struct bq27xxx_device_info *di, + union power_supply_propval *val) { int dcap; + /* We only have to read charge design full once */ + if (di->charge_design_full > 0) { + val->intval = di->charge_design_full; + return 0; + } + if (di->opts & BQ27XXX_O_ZERO) dcap = bq27xxx_read(di, BQ27XXX_REG_DCAP, true); else dcap = bq27xxx_read(di, BQ27XXX_REG_DCAP, false); if (dcap < 0) { - dev_dbg(di->dev, "error reading initial last measured discharge\n"); + dev_dbg(di->dev, "error reading design capacity\n"); return dcap; } @@ -1614,14 +1627,20 @@ static int bq27xxx_battery_read_dcap(struct bq27xxx_device_info *di) else dcap *= 1000; - return dcap; + /* Save for later reads */ + di->charge_design_full = dcap; + + val->intval = dcap; + + return 0; } /* * Return the battery Available energy in µWh * Or < 0 if something fails. */ -static int bq27xxx_battery_read_energy(struct bq27xxx_device_info *di) +static int bq27xxx_battery_read_energy(struct bq27xxx_device_info *di, + union power_supply_propval *val) { int ae; @@ -1636,14 +1655,17 @@ static int bq27xxx_battery_read_energy(struct bq27xxx_device_info *di) else ae *= 1000; - return ae; + val->intval = ae; + + return 0; } /* - * Return the battery temperature in tenths of degree Kelvin + * Return the battery temperature in tenths of degree Celsius * Or < 0 if something fails. */ -static int bq27xxx_battery_read_temperature(struct bq27xxx_device_info *di) +static int bq27xxx_battery_read_temperature(struct bq27xxx_device_info *di, + union power_supply_propval *val) { int temp; @@ -1656,14 +1678,20 @@ static int bq27xxx_battery_read_temperature(struct bq27xxx_device_info *di) if (di->opts & BQ27XXX_O_ZERO) temp = 5 * temp / 2; - return temp; + /* Convert decidegree Kelvin to Celsius */ + temp -= 2731; + + val->intval = temp; + + return 0; } /* * Return the battery Cycle count total * Or < 0 if something fails. */ -static int bq27xxx_battery_read_cyct(struct bq27xxx_device_info *di) +static int bq27xxx_battery_read_cyct(struct bq27xxx_device_info *di, + union power_supply_propval *val) { int cyct; @@ -1671,14 +1699,17 @@ static int bq27xxx_battery_read_cyct(struct bq27xxx_device_info *di) if (cyct < 0) dev_err(di->dev, "error reading cycle count total\n"); - return cyct; + val->intval = cyct; + + return 0; } /* * Read a time register. * Return < 0 if something fails. */ -static int bq27xxx_battery_read_time(struct bq27xxx_device_info *di, u8 reg) +static int bq27xxx_battery_read_time(struct bq27xxx_device_info *di, u8 reg, + union power_supply_propval *val) { int tval; @@ -1692,7 +1723,9 @@ static int bq27xxx_battery_read_time(struct bq27xxx_device_info *di, u8 reg) if (tval == 65535) return -ENODATA; - return tval * 60; + val->intval = tval * 60; + + return 0; } /* @@ -1744,19 +1777,26 @@ static bool bq27xxx_battery_capacity_inaccurate(struct bq27xxx_device_info *di, return false; } -static int bq27xxx_battery_read_health(struct bq27xxx_device_info *di) +static int bq27xxx_battery_read_health(struct bq27xxx_device_info *di, + union power_supply_propval *val) { + int health; + /* Unlikely but important to return first */ if (unlikely(bq27xxx_battery_overtemp(di, di->cache.flags))) - return POWER_SUPPLY_HEALTH_OVERHEAT; - if (unlikely(bq27xxx_battery_undertemp(di, di->cache.flags))) - return POWER_SUPPLY_HEALTH_COLD; - if (unlikely(bq27xxx_battery_dead(di, di->cache.flags))) - return POWER_SUPPLY_HEALTH_DEAD; - if (unlikely(bq27xxx_battery_capacity_inaccurate(di, di->cache.flags))) - return POWER_SUPPLY_HEALTH_CALIBRATION_REQUIRED; - - return POWER_SUPPLY_HEALTH_GOOD; + health = POWER_SUPPLY_HEALTH_OVERHEAT; + else if (unlikely(bq27xxx_battery_undertemp(di, di->cache.flags))) + health = POWER_SUPPLY_HEALTH_COLD; + else if (unlikely(bq27xxx_battery_dead(di, di->cache.flags))) + health = POWER_SUPPLY_HEALTH_DEAD; + else if (unlikely(bq27xxx_battery_capacity_inaccurate(di, di->cache.flags))) + health = POWER_SUPPLY_HEALTH_CALIBRATION_REQUIRED; + else + health = POWER_SUPPLY_HEALTH_GOOD; + + val->intval = health; + + return 0; } static bool bq27xxx_battery_is_full(struct bq27xxx_device_info *di, int flags) @@ -1816,17 +1856,14 @@ static int bq27xxx_battery_current_and_status( val_curr->intval = curr; if (val_status) { - if (curr > 0) { + if (bq27xxx_battery_is_full(di, flags)) + val_status->intval = POWER_SUPPLY_STATUS_FULL; + else if (curr > 0) val_status->intval = POWER_SUPPLY_STATUS_CHARGING; - } else if (curr < 0) { + else if (curr < 0) val_status->intval = POWER_SUPPLY_STATUS_DISCHARGING; - } else { - if (bq27xxx_battery_is_full(di, flags)) - val_status->intval = POWER_SUPPLY_STATUS_FULL; - else - val_status->intval = - POWER_SUPPLY_STATUS_NOT_CHARGING; - } + else + val_status->intval = POWER_SUPPLY_STATUS_NOT_CHARGING; } return 0; @@ -1842,22 +1879,8 @@ static void bq27xxx_battery_update_unlocked(struct bq27xxx_device_info *di) if ((cache.flags & 0xff) == 0xff) cache.flags = -1; /* read error */ if (cache.flags >= 0) { - cache.temperature = bq27xxx_battery_read_temperature(di); - if (di->regs[BQ27XXX_REG_TTE] != INVALID_REG_ADDR) - cache.time_to_empty = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTE); - if (di->regs[BQ27XXX_REG_TTECP] != INVALID_REG_ADDR) - cache.time_to_empty_avg = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTECP); - if (di->regs[BQ27XXX_REG_TTF] != INVALID_REG_ADDR) - cache.time_to_full = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTF); - - cache.charge_full = bq27xxx_battery_read_fcc(di); cache.capacity = bq27xxx_battery_read_soc(di); - if (di->regs[BQ27XXX_REG_AE] != INVALID_REG_ADDR) - cache.energy = bq27xxx_battery_read_energy(di); di->cache.flags = cache.flags; - cache.health = bq27xxx_battery_read_health(di); - if (di->regs[BQ27XXX_REG_CYCT] != INVALID_REG_ADDR) - cache.cycle_count = bq27xxx_battery_read_cyct(di); /* * On gauges with signed current reporting the current must be @@ -1865,10 +1888,6 @@ static void bq27xxx_battery_update_unlocked(struct bq27xxx_device_info *di) */ if (!(di->opts & BQ27XXX_O_ZERO)) bq27xxx_battery_current_and_status(di, NULL, &status, &cache); - - /* We only have to read charge design full once */ - if (di->charge_design_full <= 0) - di->charge_design_full = bq27xxx_battery_read_dcap(di); } if ((di->cache.capacity != cache.capacity) || @@ -2033,18 +2052,16 @@ static int bq27xxx_battery_get_property(struct power_supply *psy, ret = bq27xxx_battery_capacity_level(di, val); break; case POWER_SUPPLY_PROP_TEMP: - ret = bq27xxx_simple_value(di->cache.temperature, val); - if (ret == 0) - val->intval -= 2731; /* convert decidegree k to c */ + ret = bq27xxx_battery_read_temperature(di, val); break; case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW: - ret = bq27xxx_simple_value(di->cache.time_to_empty, val); + ret = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTE, val); break; case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG: - ret = bq27xxx_simple_value(di->cache.time_to_empty_avg, val); + ret = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTECP, val); break; case POWER_SUPPLY_PROP_TIME_TO_FULL_NOW: - ret = bq27xxx_simple_value(di->cache.time_to_full, val); + ret = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTF, val); break; case POWER_SUPPLY_PROP_TECHNOLOGY: if (di->opts & BQ27XXX_O_MUL_CHEM) @@ -2054,15 +2071,15 @@ static int bq27xxx_battery_get_property(struct power_supply *psy, break; case POWER_SUPPLY_PROP_CHARGE_NOW: if (di->regs[BQ27XXX_REG_NAC] != INVALID_REG_ADDR) - ret = bq27xxx_simple_value(bq27xxx_battery_read_nac(di), val); + ret = bq27xxx_battery_read_nac(di, val); else - ret = bq27xxx_simple_value(bq27xxx_battery_read_rc(di), val); + ret = bq27xxx_battery_read_rc(di, val); break; case POWER_SUPPLY_PROP_CHARGE_FULL: - ret = bq27xxx_simple_value(di->cache.charge_full, val); + ret = bq27xxx_battery_read_fcc(di, val); break; case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: - ret = bq27xxx_simple_value(di->charge_design_full, val); + ret = bq27xxx_battery_read_dcap(di, val); break; /* * TODO: Implement these to make registers set from @@ -2072,16 +2089,16 @@ static int bq27xxx_battery_get_property(struct power_supply *psy, case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: return -EINVAL; case POWER_SUPPLY_PROP_CYCLE_COUNT: - ret = bq27xxx_simple_value(di->cache.cycle_count, val); + ret = bq27xxx_battery_read_cyct(di, val); break; case POWER_SUPPLY_PROP_ENERGY_NOW: - ret = bq27xxx_simple_value(di->cache.energy, val); + ret = bq27xxx_battery_read_energy(di, val); break; case POWER_SUPPLY_PROP_POWER_AVG: ret = bq27xxx_battery_pwr_avg(di, val); break; case POWER_SUPPLY_PROP_HEALTH: - ret = bq27xxx_simple_value(di->cache.health, val); + ret = bq27xxx_battery_read_health(di, val); break; case POWER_SUPPLY_PROP_MANUFACTURER: val->strval = BQ27XXX_MANUFACTURER; @@ -2101,6 +2118,13 @@ static void bq27xxx_external_power_changed(struct power_supply *psy) mod_delayed_work(system_wq, &di->work, HZ / 2); } +static void bq27xxx_battery_mutex_destroy(void *data) +{ + struct mutex *lock = data; + + mutex_destroy(lock); +} + int bq27xxx_battery_setup(struct bq27xxx_device_info *di) { struct power_supply_desc *psy_desc; @@ -2108,9 +2132,14 @@ int bq27xxx_battery_setup(struct bq27xxx_device_info *di) .of_node = di->dev->of_node, .drv_data = di, }; + int ret; INIT_DELAYED_WORK(&di->work, bq27xxx_battery_poll); mutex_init(&di->lock); + ret = devm_add_action_or_reset(di->dev, bq27xxx_battery_mutex_destroy, + &di->lock); + if (ret) + return ret; di->regs = bq27xxx_chip_data[di->chip].regs; di->unseal_key = bq27xxx_chip_data[di->chip].unseal_key; @@ -2128,7 +2157,7 @@ int bq27xxx_battery_setup(struct bq27xxx_device_info *di) psy_desc->get_property = bq27xxx_battery_get_property; psy_desc->external_power_changed = bq27xxx_external_power_changed; - di->bat = power_supply_register_no_ws(di->dev, psy_desc, &psy_cfg); + di->bat = devm_power_supply_register_no_ws(di->dev, psy_desc, &psy_cfg); if (IS_ERR(di->bat)) return dev_err_probe(di->dev, PTR_ERR(di->bat), "failed to register battery\n"); @@ -2156,9 +2185,6 @@ void bq27xxx_battery_teardown(struct bq27xxx_device_info *di) mutex_unlock(&di->lock); cancel_delayed_work_sync(&di->work); - - power_supply_unregister(di->bat); - mutex_destroy(&di->lock); } EXPORT_SYMBOL_GPL(bq27xxx_battery_teardown); diff --git a/drivers/power/supply/bq27xxx_battery_i2c.c b/drivers/power/supply/bq27xxx_battery_i2c.c index 9910c60074..c1737f9648 100644 --- a/drivers/power/supply/bq27xxx_battery_i2c.c +++ b/drivers/power/supply/bq27xxx_battery_i2c.c @@ -13,8 +13,7 @@ #include <linux/power/bq27xxx_battery.h> -static DEFINE_IDR(battery_id); -static DEFINE_MUTEX(battery_mutex); +static DEFINE_IDA(battery_id); static irqreturn_t bq27xxx_battery_irq_handler_thread(int irq, void *data) { @@ -136,30 +135,39 @@ static int bq27xxx_battery_i2c_bulk_write(struct bq27xxx_device_info *di, return 0; } +static void bq27xxx_battery_i2c_devm_ida_free(void *data) +{ + int num = (long)data; + + ida_free(&battery_id, num); +} + static int bq27xxx_battery_i2c_probe(struct i2c_client *client) { const struct i2c_device_id *id = i2c_client_get_device_id(client); struct bq27xxx_device_info *di; int ret; char *name; - int num; + long num; /* Get new ID for the new battery device */ - mutex_lock(&battery_mutex); - num = idr_alloc(&battery_id, client, 0, 0, GFP_KERNEL); - mutex_unlock(&battery_mutex); + num = ida_alloc(&battery_id, GFP_KERNEL); if (num < 0) return num; + ret = devm_add_action_or_reset(&client->dev, + bq27xxx_battery_i2c_devm_ida_free, + (void *)num); + if (ret) + return ret; - name = devm_kasprintf(&client->dev, GFP_KERNEL, "%s-%d", id->name, num); + name = devm_kasprintf(&client->dev, GFP_KERNEL, "%s-%ld", id->name, num); if (!name) - goto err_mem; + return -ENOMEM; di = devm_kzalloc(&client->dev, sizeof(*di), GFP_KERNEL); if (!di) - goto err_mem; + return -ENOMEM; - di->id = num; di->dev = &client->dev; di->chip = id->driver_data; di->name = name; @@ -171,7 +179,7 @@ static int bq27xxx_battery_i2c_probe(struct i2c_client *client) ret = bq27xxx_battery_setup(di); if (ret) - goto err_failed; + return ret; /* Schedule a polling after about 1 min */ schedule_delayed_work(&di->work, 60 * HZ); @@ -188,21 +196,11 @@ static int bq27xxx_battery_i2c_probe(struct i2c_client *client) "Unable to register IRQ %d error %d\n", client->irq, ret); bq27xxx_battery_teardown(di); - goto err_failed; + return ret; } } return 0; - -err_mem: - ret = -ENOMEM; - -err_failed: - mutex_lock(&battery_mutex); - idr_remove(&battery_id, num); - mutex_unlock(&battery_mutex); - - return ret; } static void bq27xxx_battery_i2c_remove(struct i2c_client *client) @@ -213,10 +211,6 @@ static void bq27xxx_battery_i2c_remove(struct i2c_client *client) free_irq(client->irq, di); bq27xxx_battery_teardown(di); - - mutex_lock(&battery_mutex); - idr_remove(&battery_id, di->id); - mutex_unlock(&battery_mutex); } static const struct i2c_device_id bq27xxx_i2c_id_table[] = { diff --git a/drivers/power/supply/cros_peripheral_charger.c b/drivers/power/supply/cros_peripheral_charger.c index a204f2355b..d406f2a784 100644 --- a/drivers/power/supply/cros_peripheral_charger.c +++ b/drivers/power/supply/cros_peripheral_charger.c @@ -5,6 +5,7 @@ * Copyright 2020 Google LLC. */ +#include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/notifier.h> #include <linux/platform_data/cros_ec_commands.h> @@ -367,16 +368,22 @@ static int __maybe_unused cros_pchg_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(cros_pchg_pm_ops, NULL, cros_pchg_resume); +static const struct platform_device_id cros_pchg_id[] = { + { DRV_NAME, 0 }, + {} +}; +MODULE_DEVICE_TABLE(platform, cros_pchg_id); + static struct platform_driver cros_pchg_driver = { .driver = { .name = DRV_NAME, .pm = &cros_pchg_pm_ops, }, - .probe = cros_pchg_probe + .probe = cros_pchg_probe, + .id_table = cros_pchg_id, }; module_platform_driver(cros_pchg_driver); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("ChromeOS EC peripheral device charger"); -MODULE_ALIAS("platform:" DRV_NAME); diff --git a/drivers/power/supply/cros_usbpd-charger.c b/drivers/power/supply/cros_usbpd-charger.c index b6c9637677..8008e31c0c 100644 --- a/drivers/power/supply/cros_usbpd-charger.c +++ b/drivers/power/supply/cros_usbpd-charger.c @@ -5,6 +5,7 @@ * Copyright (c) 2014 - 2018 Google, Inc */ +#include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/platform_data/cros_ec_commands.h> #include <linux/platform_data/cros_ec_proto.h> @@ -711,16 +712,22 @@ static int cros_usbpd_charger_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(cros_usbpd_charger_pm_ops, NULL, cros_usbpd_charger_resume); +static const struct platform_device_id cros_usbpd_charger_id[] = { + { DRV_NAME, 0 }, + {} +}; +MODULE_DEVICE_TABLE(platform, cros_usbpd_charger_id); + static struct platform_driver cros_usbpd_charger_driver = { .driver = { .name = DRV_NAME, .pm = &cros_usbpd_charger_pm_ops, }, - .probe = cros_usbpd_charger_probe + .probe = cros_usbpd_charger_probe, + .id_table = cros_usbpd_charger_id, }; module_platform_driver(cros_usbpd_charger_driver); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("ChromeOS EC USBPD charger"); -MODULE_ALIAS("platform:" DRV_NAME); diff --git a/drivers/power/supply/da9030_battery.c b/drivers/power/supply/da9030_battery.c index 581cf956d2..04e0f4162d 100644 --- a/drivers/power/supply/da9030_battery.c +++ b/drivers/power/supply/da9030_battery.c @@ -530,8 +530,9 @@ static int da9030_battery_probe(struct platform_device *pdev) da9030_battery_setup_psy(charger); psy_cfg.drv_data = charger; - charger->psy = power_supply_register(&pdev->dev, &charger->psy_desc, - &psy_cfg); + charger->psy = devm_power_supply_register(&pdev->dev, + &charger->psy_desc, + &psy_cfg); if (IS_ERR(charger->psy)) { ret = PTR_ERR(charger->psy); goto err_ps_register; @@ -563,7 +564,6 @@ static void da9030_battery_remove(struct platform_device *dev) DA9030_EVENT_CHIOVER | DA9030_EVENT_TBAT); cancel_delayed_work_sync(&charger->work); da9030_set_charge(charger, 0); - power_supply_unregister(charger->psy); } static struct platform_driver da903x_battery_driver = { diff --git a/drivers/power/supply/da9052-battery.c b/drivers/power/supply/da9052-battery.c index 6f7c58a41e..0d84c42c62 100644 --- a/drivers/power/supply/da9052-battery.c +++ b/drivers/power/supply/da9052-battery.c @@ -622,7 +622,7 @@ static s32 da9052_bat_probe(struct platform_device *pdev) } } - bat->psy = power_supply_register(&pdev->dev, &psy_desc, &psy_cfg); + bat->psy = devm_power_supply_register(&pdev->dev, &psy_desc, &psy_cfg); if (IS_ERR(bat->psy)) { ret = PTR_ERR(bat->psy); goto err; @@ -644,8 +644,6 @@ static void da9052_bat_remove(struct platform_device *pdev) for (i = 0; i < ARRAY_SIZE(da9052_bat_irqs); i++) da9052_free_irq(bat->da9052, da9052_bat_irq_bits[i], bat); - - power_supply_unregister(bat->psy); } static struct platform_driver da9052_bat_driver = { diff --git a/drivers/power/supply/da9150-charger.c b/drivers/power/supply/da9150-charger.c index 37db9e4ed7..b13cecd84f 100644 --- a/drivers/power/supply/da9150-charger.c +++ b/drivers/power/supply/da9150-charger.c @@ -521,42 +521,30 @@ static int da9150_charger_probe(struct platform_device *pdev) charger->dev = dev; /* Acquire ADC channels */ - charger->ibus_chan = iio_channel_get(dev, "CHAN_IBUS"); - if (IS_ERR(charger->ibus_chan)) { - ret = PTR_ERR(charger->ibus_chan); - goto ibus_chan_fail; - } + charger->ibus_chan = devm_iio_channel_get(dev, "CHAN_IBUS"); + if (IS_ERR(charger->ibus_chan)) + return PTR_ERR(charger->ibus_chan); - charger->vbus_chan = iio_channel_get(dev, "CHAN_VBUS"); - if (IS_ERR(charger->vbus_chan)) { - ret = PTR_ERR(charger->vbus_chan); - goto vbus_chan_fail; - } + charger->vbus_chan = devm_iio_channel_get(dev, "CHAN_VBUS"); + if (IS_ERR(charger->vbus_chan)) + return PTR_ERR(charger->vbus_chan); - charger->tjunc_chan = iio_channel_get(dev, "CHAN_TJUNC"); - if (IS_ERR(charger->tjunc_chan)) { - ret = PTR_ERR(charger->tjunc_chan); - goto tjunc_chan_fail; - } + charger->tjunc_chan = devm_iio_channel_get(dev, "CHAN_TJUNC"); + if (IS_ERR(charger->tjunc_chan)) + return PTR_ERR(charger->tjunc_chan); - charger->vbat_chan = iio_channel_get(dev, "CHAN_VBAT"); - if (IS_ERR(charger->vbat_chan)) { - ret = PTR_ERR(charger->vbat_chan); - goto vbat_chan_fail; - } + charger->vbat_chan = devm_iio_channel_get(dev, "CHAN_VBAT"); + if (IS_ERR(charger->vbat_chan)) + return PTR_ERR(charger->vbat_chan); /* Register power supplies */ - charger->usb = power_supply_register(dev, &usb_desc, NULL); - if (IS_ERR(charger->usb)) { - ret = PTR_ERR(charger->usb); - goto usb_fail; - } + charger->usb = devm_power_supply_register(dev, &usb_desc, NULL); + if (IS_ERR(charger->usb)) + return PTR_ERR(charger->usb); - charger->battery = power_supply_register(dev, &battery_desc, NULL); - if (IS_ERR(charger->battery)) { - ret = PTR_ERR(charger->battery); - goto battery_fail; - } + charger->battery = devm_power_supply_register(dev, &battery_desc, NULL); + if (IS_ERR(charger->battery)) + return PTR_ERR(charger->battery); /* Get initial online supply */ reg = da9150_reg_read(da9150, DA9150_STATUS_H); @@ -616,22 +604,7 @@ tjunc_irq_fail: chg_irq_fail: if (!IS_ERR_OR_NULL(charger->usb_phy)) usb_unregister_notifier(charger->usb_phy, &charger->otg_nb); -battery_fail: - power_supply_unregister(charger->usb); -usb_fail: - iio_channel_release(charger->vbat_chan); - -vbat_chan_fail: - iio_channel_release(charger->tjunc_chan); - -tjunc_chan_fail: - iio_channel_release(charger->vbus_chan); - -vbus_chan_fail: - iio_channel_release(charger->ibus_chan); - -ibus_chan_fail: return ret; } @@ -656,15 +629,6 @@ static void da9150_charger_remove(struct platform_device *pdev) if (!IS_ERR_OR_NULL(charger->usb_phy)) usb_unregister_notifier(charger->usb_phy, &charger->otg_nb); cancel_work_sync(&charger->otg_work); - - power_supply_unregister(charger->battery); - power_supply_unregister(charger->usb); - - /* Release ADC channels */ - iio_channel_release(charger->ibus_chan); - iio_channel_release(charger->vbus_chan); - iio_channel_release(charger->tjunc_chan); - iio_channel_release(charger->vbat_chan); } static struct platform_driver da9150_charger_driver = { diff --git a/drivers/power/supply/ds2760_battery.c b/drivers/power/supply/ds2760_battery.c index 40fba31be1..7cf4ea06b5 100644 --- a/drivers/power/supply/ds2760_battery.c +++ b/drivers/power/supply/ds2760_battery.c @@ -739,7 +739,7 @@ static int w1_ds2760_add_slave(struct w1_slave *sl) if (current_accum) ds2760_battery_set_current_accum(di, current_accum); - di->bat = power_supply_register(dev, &di->bat_desc, &psy_cfg); + di->bat = devm_power_supply_register(dev, &di->bat_desc, &psy_cfg); if (IS_ERR(di->bat)) { dev_err(di->dev, "failed to register battery\n"); retval = PTR_ERR(di->bat); @@ -762,7 +762,6 @@ static int w1_ds2760_add_slave(struct w1_slave *sl) goto success; workqueue_failed: - power_supply_unregister(di->bat); batt_failed: di_alloc_failed: success: @@ -777,7 +776,6 @@ static void w1_ds2760_remove_slave(struct w1_slave *sl) cancel_delayed_work_sync(&di->monitor_work); cancel_delayed_work_sync(&di->set_charged_work); destroy_workqueue(di->monitor_wqueue); - power_supply_unregister(di->bat); } #ifdef CONFIG_OF diff --git a/drivers/power/supply/goldfish_battery.c b/drivers/power/supply/goldfish_battery.c index 8bb645ad1e..479195e35d 100644 --- a/drivers/power/supply/goldfish_battery.c +++ b/drivers/power/supply/goldfish_battery.c @@ -232,31 +232,22 @@ static int goldfish_battery_probe(struct platform_device *pdev) psy_cfg.drv_data = data; - data->ac = power_supply_register(&pdev->dev, &ac_desc, &psy_cfg); + data->ac = devm_power_supply_register(&pdev->dev, + &ac_desc, + &psy_cfg); if (IS_ERR(data->ac)) return PTR_ERR(data->ac); - data->battery = power_supply_register(&pdev->dev, &battery_desc, - &psy_cfg); - if (IS_ERR(data->battery)) { - power_supply_unregister(data->ac); + data->battery = devm_power_supply_register(&pdev->dev, + &battery_desc, + &psy_cfg); + if (IS_ERR(data->battery)) return PTR_ERR(data->battery); - } - - platform_set_drvdata(pdev, data); GOLDFISH_BATTERY_WRITE(data, BATTERY_INT_ENABLE, BATTERY_INT_MASK); return 0; } -static void goldfish_battery_remove(struct platform_device *pdev) -{ - struct goldfish_battery_data *data = platform_get_drvdata(pdev); - - power_supply_unregister(data->battery); - power_supply_unregister(data->ac); -} - static const struct of_device_id goldfish_battery_of_match[] = { { .compatible = "google,goldfish-battery", }, {}, @@ -273,7 +264,6 @@ MODULE_DEVICE_TABLE(acpi, goldfish_battery_acpi_match); static struct platform_driver goldfish_battery_device = { .probe = goldfish_battery_probe, - .remove_new = goldfish_battery_remove, .driver = { .name = "goldfish-battery", .of_match_table = goldfish_battery_of_match, diff --git a/drivers/power/supply/ingenic-battery.c b/drivers/power/supply/ingenic-battery.c index 2e7fdfde47..0a40f425c2 100644 --- a/drivers/power/supply/ingenic-battery.c +++ b/drivers/power/supply/ingenic-battery.c @@ -31,8 +31,9 @@ static int ingenic_battery_get_property(struct power_supply *psy, switch (psp) { case POWER_SUPPLY_PROP_HEALTH: - ret = iio_read_channel_processed(bat->channel, &val->intval); - val->intval *= 1000; + ret = iio_read_channel_processed_scale(bat->channel, + &val->intval, + 1000); if (val->intval < info->voltage_min_design_uv) val->intval = POWER_SUPPLY_HEALTH_DEAD; else if (val->intval > info->voltage_max_design_uv) @@ -41,8 +42,9 @@ static int ingenic_battery_get_property(struct power_supply *psy, val->intval = POWER_SUPPLY_HEALTH_GOOD; return ret; case POWER_SUPPLY_PROP_VOLTAGE_NOW: - ret = iio_read_channel_processed(bat->channel, &val->intval); - val->intval *= 1000; + ret = iio_read_channel_processed_scale(bat->channel, + &val->intval, + 1000); return ret; case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: val->intval = info->voltage_min_design_uv; diff --git a/drivers/power/supply/lp8727_charger.c b/drivers/power/supply/lp8727_charger.c index 0875391f7a..34548a4da9 100644 --- a/drivers/power/supply/lp8727_charger.c +++ b/drivers/power/supply/lp8727_charger.c @@ -453,39 +453,20 @@ static int lp8727_register_psy(struct lp8727_chg *pchg) psy_cfg.supplied_to = battery_supplied_to; psy_cfg.num_supplicants = ARRAY_SIZE(battery_supplied_to); - psy->ac = power_supply_register(pchg->dev, &lp8727_ac_desc, &psy_cfg); + psy->ac = devm_power_supply_register(pchg->dev, &lp8727_ac_desc, &psy_cfg); if (IS_ERR(psy->ac)) - goto err_psy_ac; + return -EPERM; - psy->usb = power_supply_register(pchg->dev, &lp8727_usb_desc, - &psy_cfg); + psy->usb = devm_power_supply_register(pchg->dev, &lp8727_usb_desc, + &psy_cfg); if (IS_ERR(psy->usb)) - goto err_psy_usb; + return -EPERM; - psy->batt = power_supply_register(pchg->dev, &lp8727_batt_desc, NULL); + psy->batt = devm_power_supply_register(pchg->dev, &lp8727_batt_desc, NULL); if (IS_ERR(psy->batt)) - goto err_psy_batt; + return -EPERM; return 0; - -err_psy_batt: - power_supply_unregister(psy->usb); -err_psy_usb: - power_supply_unregister(psy->ac); -err_psy_ac: - return -EPERM; -} - -static void lp8727_unregister_psy(struct lp8727_chg *pchg) -{ - struct lp8727_psy *psy = pchg->psy; - - if (!psy) - return; - - power_supply_unregister(psy->ac); - power_supply_unregister(psy->usb); - power_supply_unregister(psy->batt); } #ifdef CONFIG_OF @@ -583,7 +564,6 @@ static int lp8727_probe(struct i2c_client *cl) ret = lp8727_setup_irq(pchg); if (ret) { dev_err(pchg->dev, "irq handler err: %d", ret); - lp8727_unregister_psy(pchg); return ret; } @@ -595,7 +575,6 @@ static void lp8727_remove(struct i2c_client *cl) struct lp8727_chg *pchg = i2c_get_clientdata(cl); lp8727_release_irq(pchg); - lp8727_unregister_psy(pchg); } static const struct of_device_id lp8727_dt_ids[] __maybe_unused = { diff --git a/drivers/power/supply/lp8788-charger.c b/drivers/power/supply/lp8788-charger.c index 2c81be82a4..72b170b4ac 100644 --- a/drivers/power/supply/lp8788-charger.c +++ b/drivers/power/supply/lp8788-charger.c @@ -406,12 +406,6 @@ static const struct power_supply_desc lp8788_psy_battery_desc = { .get_property = lp8788_battery_get_property, }; -static void lp8788_psy_unregister(struct lp8788_charger *pchg) -{ - power_supply_unregister(pchg->battery); - power_supply_unregister(pchg->charger); -} - static void lp8788_charger_event(struct work_struct *work) { struct lp8788_charger *pchg = @@ -666,18 +660,16 @@ static int lp8788_psy_register(struct platform_device *pdev, charger_cfg.supplied_to = battery_supplied_to; charger_cfg.num_supplicants = ARRAY_SIZE(battery_supplied_to); - pchg->charger = power_supply_register(&pdev->dev, - &lp8788_psy_charger_desc, - &charger_cfg); + pchg->charger = devm_power_supply_register(&pdev->dev, + &lp8788_psy_charger_desc, + &charger_cfg); if (IS_ERR(pchg->charger)) return -EPERM; - pchg->battery = power_supply_register(&pdev->dev, - &lp8788_psy_battery_desc, NULL); - if (IS_ERR(pchg->battery)) { - power_supply_unregister(pchg->charger); + pchg->battery = devm_power_supply_register(&pdev->dev, + &lp8788_psy_battery_desc, NULL); + if (IS_ERR(pchg->battery)) return -EPERM; - } return 0; } @@ -720,7 +712,6 @@ static void lp8788_charger_remove(struct platform_device *pdev) flush_work(&pchg->charger_work); lp8788_irq_unregister(pdev, pchg); - lp8788_psy_unregister(pchg); } static struct platform_driver lp8788_charger_driver = { diff --git a/drivers/power/supply/max14577_charger.c b/drivers/power/supply/max14577_charger.c index 7c23fa89ea..b28c041577 100644 --- a/drivers/power/supply/max14577_charger.c +++ b/drivers/power/supply/max14577_charger.c @@ -586,8 +586,9 @@ static int max14577_charger_probe(struct platform_device *pdev) } psy_cfg.drv_data = chg; - chg->charger = power_supply_register(&pdev->dev, &max14577_charger_desc, - &psy_cfg); + chg->charger = devm_power_supply_register(&pdev->dev, + &max14577_charger_desc, + &psy_cfg); if (IS_ERR(chg->charger)) { dev_err(&pdev->dev, "failed: power supply register\n"); ret = PTR_ERR(chg->charger); @@ -608,10 +609,7 @@ err: static void max14577_charger_remove(struct platform_device *pdev) { - struct max14577_charger *chg = platform_get_drvdata(pdev); - device_remove_file(&pdev->dev, &dev_attr_fast_charge_timer); - power_supply_unregister(chg->charger); } static const struct platform_device_id max14577_charger_id[] = { diff --git a/drivers/power/supply/max77693_charger.c b/drivers/power/supply/max77693_charger.c index d0157e63b8..2001e12c9f 100644 --- a/drivers/power/supply/max77693_charger.c +++ b/drivers/power/supply/max77693_charger.c @@ -709,9 +709,9 @@ static int max77693_charger_probe(struct platform_device *pdev) goto err; } - chg->charger = power_supply_register(&pdev->dev, - &max77693_charger_desc, - &psy_cfg); + chg->charger = devm_power_supply_register(&pdev->dev, + &max77693_charger_desc, + &psy_cfg); if (IS_ERR(chg->charger)) { dev_err(&pdev->dev, "failed: power supply register\n"); ret = PTR_ERR(chg->charger); @@ -730,13 +730,9 @@ err: static void max77693_charger_remove(struct platform_device *pdev) { - struct max77693_charger *chg = platform_get_drvdata(pdev); - device_remove_file(&pdev->dev, &dev_attr_top_off_timer); device_remove_file(&pdev->dev, &dev_attr_top_off_threshold_current); device_remove_file(&pdev->dev, &dev_attr_fast_charge_timer); - - power_supply_unregister(chg->charger); } static const struct platform_device_id max77693_charger_id[] = { diff --git a/drivers/power/supply/max8925_power.c b/drivers/power/supply/max8925_power.c index 4a2d6894f9..621a006d52 100644 --- a/drivers/power/supply/max8925_power.c +++ b/drivers/power/supply/max8925_power.c @@ -507,7 +507,6 @@ static int max8925_power_probe(struct platform_device *pdev) struct power_supply_config psy_cfg = {}; /* Only for ac and usb */ struct max8925_power_pdata *pdata = NULL; struct max8925_power_info *info; - int ret; pdata = max8925_power_dt_init(pdev); if (!pdata) { @@ -528,25 +527,19 @@ static int max8925_power_probe(struct platform_device *pdev) psy_cfg.supplied_to = pdata->supplied_to; psy_cfg.num_supplicants = pdata->num_supplicants; - info->ac = power_supply_register(&pdev->dev, &ac_desc, &psy_cfg); - if (IS_ERR(info->ac)) { - ret = PTR_ERR(info->ac); - goto out; - } + info->ac = devm_power_supply_register(&pdev->dev, &ac_desc, &psy_cfg); + if (IS_ERR(info->ac)) + return PTR_ERR(info->ac); info->ac->dev.parent = &pdev->dev; - info->usb = power_supply_register(&pdev->dev, &usb_desc, &psy_cfg); - if (IS_ERR(info->usb)) { - ret = PTR_ERR(info->usb); - goto out_unregister_ac; - } + info->usb = devm_power_supply_register(&pdev->dev, &usb_desc, &psy_cfg); + if (IS_ERR(info->usb)) + return PTR_ERR(info->usb); info->usb->dev.parent = &pdev->dev; - info->battery = power_supply_register(&pdev->dev, &battery_desc, NULL); - if (IS_ERR(info->battery)) { - ret = PTR_ERR(info->battery); - goto out_unregister_usb; - } + info->battery = devm_power_supply_register(&pdev->dev, &battery_desc, NULL); + if (IS_ERR(info->battery)) + return PTR_ERR(info->battery); info->battery->dev.parent = &pdev->dev; info->batt_detect = pdata->batt_detect; @@ -558,24 +551,14 @@ static int max8925_power_probe(struct platform_device *pdev) max8925_init_charger(chip, info); return 0; -out_unregister_usb: - power_supply_unregister(info->usb); -out_unregister_ac: - power_supply_unregister(info->ac); -out: - return ret; } static void max8925_power_remove(struct platform_device *pdev) { struct max8925_power_info *info = platform_get_drvdata(pdev); - if (info) { - power_supply_unregister(info->ac); - power_supply_unregister(info->usb); - power_supply_unregister(info->battery); + if (info) max8925_deinit_charger(info); - } } static struct platform_driver max8925_power_driver = { diff --git a/drivers/power/supply/pcf50633-charger.c b/drivers/power/supply/pcf50633-charger.c index 950e30917c..0e980522fe 100644 --- a/drivers/power/supply/pcf50633-charger.c +++ b/drivers/power/supply/pcf50633-charger.c @@ -404,9 +404,9 @@ static int pcf50633_mbc_probe(struct platform_device *pdev) psy_cfg.drv_data = mbc; /* Create power supplies */ - mbc->adapter = power_supply_register(&pdev->dev, - &pcf50633_mbc_adapter_desc, - &psy_cfg); + mbc->adapter = devm_power_supply_register(&pdev->dev, + &pcf50633_mbc_adapter_desc, + &psy_cfg); if (IS_ERR(mbc->adapter)) { dev_err(mbc->pcf->dev, "failed to register adapter\n"); return PTR_ERR(mbc->adapter); @@ -415,20 +415,19 @@ static int pcf50633_mbc_probe(struct platform_device *pdev) usb_psy_cfg = psy_cfg; usb_psy_cfg.attr_grp = pcf50633_mbc_sysfs_groups; - mbc->usb = power_supply_register(&pdev->dev, &pcf50633_mbc_usb_desc, - &usb_psy_cfg); + mbc->usb = devm_power_supply_register(&pdev->dev, + &pcf50633_mbc_usb_desc, + &usb_psy_cfg); if (IS_ERR(mbc->usb)) { dev_err(mbc->pcf->dev, "failed to register usb\n"); - power_supply_unregister(mbc->adapter); return PTR_ERR(mbc->usb); } - mbc->ac = power_supply_register(&pdev->dev, &pcf50633_mbc_ac_desc, - &psy_cfg); + mbc->ac = devm_power_supply_register(&pdev->dev, + &pcf50633_mbc_ac_desc, + &psy_cfg); if (IS_ERR(mbc->ac)) { dev_err(mbc->pcf->dev, "failed to register ac\n"); - power_supply_unregister(mbc->adapter); - power_supply_unregister(mbc->usb); return PTR_ERR(mbc->ac); } @@ -449,10 +448,6 @@ static void pcf50633_mbc_remove(struct platform_device *pdev) /* Remove IRQ handlers */ for (i = 0; i < ARRAY_SIZE(mbc_irq_handlers); i++) pcf50633_free_irq(mbc->pcf, mbc_irq_handlers[i]); - - power_supply_unregister(mbc->usb); - power_supply_unregister(mbc->adapter); - power_supply_unregister(mbc->ac); } static struct platform_driver pcf50633_mbc_driver = { diff --git a/drivers/power/supply/power_supply.h b/drivers/power/supply/power_supply.h index 645eee4d6b..3cbafc58bd 100644 --- a/drivers/power/supply/power_supply.h +++ b/drivers/power/supply/power_supply.h @@ -15,12 +15,14 @@ struct power_supply; #ifdef CONFIG_SYSFS -extern void power_supply_init_attrs(struct device_type *dev_type); +extern void power_supply_init_attrs(void); extern int power_supply_uevent(const struct device *dev, struct kobj_uevent_env *env); +extern const struct attribute_group *power_supply_attr_groups[]; #else -static inline void power_supply_init_attrs(struct device_type *dev_type) {} +static inline void power_supply_init_attrs(void) {} +#define power_supply_attr_groups NULL #define power_supply_uevent NULL #endif /* CONFIG_SYSFS */ diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c index ecef35ac3b..fefe938c93 100644 --- a/drivers/power/supply/power_supply_core.c +++ b/drivers/power/supply/power_supply_core.c @@ -25,13 +25,17 @@ #include "power_supply.h" #include "samsung-sdi-battery.h" -/* exported for the APM Power driver, APM emulation */ -struct class *power_supply_class; -EXPORT_SYMBOL_GPL(power_supply_class); +static const struct class power_supply_class = { + .name = "power_supply", + .dev_uevent = power_supply_uevent, +}; static BLOCKING_NOTIFIER_HEAD(power_supply_notifier); -static struct device_type power_supply_dev_type; +static const struct device_type power_supply_dev_type = { + .name = "power_supply", + .groups = power_supply_attr_groups, +}; #define POWER_SUPPLY_DEFERRED_REGISTER_TIME msecs_to_jiffies(10) @@ -93,8 +97,7 @@ static void power_supply_changed_work(struct work_struct *work) if (likely(psy->changed)) { psy->changed = false; spin_unlock_irqrestore(&psy->changed_lock, flags); - class_for_each_device(power_supply_class, NULL, psy, - __power_supply_changed_work); + power_supply_for_each_device(psy, __power_supply_changed_work); power_supply_update_leds(psy); blocking_notifier_call_chain(&power_supply_notifier, PSY_EVENT_PROP_CHANGED, psy); @@ -112,6 +115,12 @@ static void power_supply_changed_work(struct work_struct *work) spin_unlock_irqrestore(&psy->changed_lock, flags); } +int power_supply_for_each_device(void *data, int (*fn)(struct device *dev, void *data)) +{ + return class_for_each_device(&power_supply_class, NULL, data, fn); +} +EXPORT_SYMBOL_GPL(power_supply_for_each_device); + void power_supply_changed(struct power_supply *psy) { unsigned long flags; @@ -187,8 +196,7 @@ static int power_supply_populate_supplied_from(struct power_supply *psy) { int error; - error = class_for_each_device(power_supply_class, NULL, psy, - __power_supply_populate_supplied_from); + error = power_supply_for_each_device(psy, __power_supply_populate_supplied_from); dev_dbg(&psy->dev, "%s %d\n", __func__, error); @@ -201,7 +209,7 @@ static int __power_supply_find_supply_from_node(struct device *dev, struct device_node *np = data; struct power_supply *epsy = dev_get_drvdata(dev); - /* returning non-zero breaks out of class_for_each_device loop */ + /* returning non-zero breaks out of power_supply_for_each_device loop */ if (epsy->of_node == np) return 1; @@ -213,17 +221,16 @@ static int power_supply_find_supply_from_node(struct device_node *supply_node) int error; /* - * class_for_each_device() either returns its own errors or values + * power_supply_for_each_device() either returns its own errors or values * returned by __power_supply_find_supply_from_node(). * * __power_supply_find_supply_from_node() will return 0 (no match) * or 1 (match). * - * We return 0 if class_for_each_device() returned 1, -EPROBE_DEFER if + * We return 0 if power_supply_for_each_device() returned 1, -EPROBE_DEFER if * it returned 0, or error as returned by it. */ - error = class_for_each_device(power_supply_class, NULL, supply_node, - __power_supply_find_supply_from_node); + error = power_supply_for_each_device(supply_node, __power_supply_find_supply_from_node); return error ? (error == 1 ? 0 : error) : -EPROBE_DEFER; } @@ -329,8 +336,7 @@ int power_supply_am_i_supplied(struct power_supply *psy) struct psy_am_i_supplied_data data = { psy, 0 }; int error; - error = class_for_each_device(power_supply_class, NULL, &data, - __power_supply_am_i_supplied); + error = power_supply_for_each_device(&data, __power_supply_am_i_supplied); dev_dbg(&psy->dev, "%s count %u err %d\n", __func__, data.count, error); @@ -365,8 +371,7 @@ int power_supply_is_system_supplied(void) int error; unsigned int count = 0; - error = class_for_each_device(power_supply_class, NULL, &count, - __power_supply_is_system_supplied); + error = power_supply_for_each_device(&count, __power_supply_is_system_supplied); /* * If no system scope power class device was found at all, most probably we @@ -412,8 +417,7 @@ int power_supply_get_property_from_supplier(struct power_supply *psy, * This function is not intended for use with a supply with multiple * suppliers, we simply pick the first supply to report the psp. */ - ret = class_for_each_device(power_supply_class, NULL, &data, - __power_supply_get_supplier_property); + ret = power_supply_for_each_device(&data, __power_supply_get_supplier_property); if (ret < 0) return ret; if (ret == 0) @@ -458,8 +462,8 @@ static int power_supply_match_device_by_name(struct device *dev, const void *dat struct power_supply *power_supply_get_by_name(const char *name) { struct power_supply *psy = NULL; - struct device *dev = class_find_device(power_supply_class, NULL, name, - power_supply_match_device_by_name); + struct device *dev = class_find_device(&power_supply_class, NULL, name, + power_supply_match_device_by_name); if (dev) { psy = dev_get_drvdata(dev); @@ -515,8 +519,8 @@ struct power_supply *power_supply_get_by_phandle(struct device_node *np, if (!power_supply_np) return ERR_PTR(-ENODEV); - dev = class_find_device(power_supply_class, NULL, power_supply_np, - power_supply_match_device_node); + dev = class_find_device(&power_supply_class, NULL, power_supply_np, + power_supply_match_device_node); of_node_put(power_supply_np); @@ -1369,7 +1373,7 @@ __power_supply_register(struct device *parent, device_initialize(dev); - dev->class = power_supply_class; + dev->class = &power_supply_class; dev->type = &power_supply_dev_type; dev->parent = parent; dev->release = power_supply_dev_release; @@ -1617,20 +1621,13 @@ EXPORT_SYMBOL_GPL(power_supply_get_drvdata); static int __init power_supply_class_init(void) { - power_supply_class = class_create("power_supply"); - - if (IS_ERR(power_supply_class)) - return PTR_ERR(power_supply_class); - - power_supply_class->dev_uevent = power_supply_uevent; - power_supply_init_attrs(&power_supply_dev_type); - - return 0; + power_supply_init_attrs(); + return class_register(&power_supply_class); } static void __exit power_supply_class_exit(void) { - class_destroy(power_supply_class); + class_unregister(&power_supply_class); } subsys_initcall(power_supply_class_init); diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c index 977611e163..b86e11bdc0 100644 --- a/drivers/power/supply/power_supply_sysfs.c +++ b/drivers/power/supply/power_supply_sysfs.c @@ -298,21 +298,25 @@ static ssize_t power_supply_show_property(struct device *dev, } } - if (ps_attr->text_values_len > 0 && - value.intval < ps_attr->text_values_len && value.intval >= 0) { - return sysfs_emit(buf, "%s\n", ps_attr->text_values[value.intval]); - } - switch (psp) { case POWER_SUPPLY_PROP_USB_TYPE: ret = power_supply_show_usb_type(dev, psy->desc, &value, buf); break; + case POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR: + ret = power_supply_charge_behaviour_show(dev, psy->desc->charge_behaviours, + value.intval, buf); + break; case POWER_SUPPLY_PROP_MODEL_NAME ... POWER_SUPPLY_PROP_SERIAL_NUMBER: ret = sysfs_emit(buf, "%s\n", value.strval); break; default: - ret = sysfs_emit(buf, "%d\n", value.intval); + if (ps_attr->text_values_len > 0 && + value.intval < ps_attr->text_values_len && value.intval >= 0) { + ret = sysfs_emit(buf, "%s\n", ps_attr->text_values[value.intval]); + } else { + ret = sysfs_emit(buf, "%d\n", value.intval); + } } return ret; @@ -394,17 +398,15 @@ static const struct attribute_group power_supply_attr_group = { .is_visible = power_supply_attr_is_visible, }; -static const struct attribute_group *power_supply_attr_groups[] = { +const struct attribute_group *power_supply_attr_groups[] = { &power_supply_attr_group, - NULL, + NULL }; -void power_supply_init_attrs(struct device_type *dev_type) +void power_supply_init_attrs(void) { int i; - dev_type->groups = power_supply_attr_groups; - for (i = 0; i < ARRAY_SIZE(power_supply_attrs); i++) { struct device_attribute *attr; diff --git a/drivers/power/supply/qcom_battmgr.c b/drivers/power/supply/qcom_battmgr.c index ec163d1bcd..44c6301f5f 100644 --- a/drivers/power/supply/qcom_battmgr.c +++ b/drivers/power/supply/qcom_battmgr.c @@ -486,7 +486,7 @@ static int qcom_battmgr_bat_get_property(struct power_supply *psy, int ret; if (!battmgr->service_up) - return -ENODEV; + return -EAGAIN; if (battmgr->variant == QCOM_BATTMGR_SC8280XP) ret = qcom_battmgr_bat_sc8280xp_update(battmgr, psp); @@ -683,7 +683,7 @@ static int qcom_battmgr_ac_get_property(struct power_supply *psy, int ret; if (!battmgr->service_up) - return -ENODEV; + return -EAGAIN; ret = qcom_battmgr_bat_sc8280xp_update(battmgr, psp); if (ret) @@ -748,7 +748,7 @@ static int qcom_battmgr_usb_get_property(struct power_supply *psy, int ret; if (!battmgr->service_up) - return -ENODEV; + return -EAGAIN; if (battmgr->variant == QCOM_BATTMGR_SC8280XP) ret = qcom_battmgr_bat_sc8280xp_update(battmgr, psp); @@ -867,7 +867,7 @@ static int qcom_battmgr_wls_get_property(struct power_supply *psy, int ret; if (!battmgr->service_up) - return -ENODEV; + return -EAGAIN; if (battmgr->variant == QCOM_BATTMGR_SC8280XP) ret = qcom_battmgr_bat_sc8280xp_update(battmgr, psp); diff --git a/drivers/power/supply/rt5033_battery.c b/drivers/power/supply/rt5033_battery.c index d90b96df8e..7a27b262fb 100644 --- a/drivers/power/supply/rt5033_battery.c +++ b/drivers/power/supply/rt5033_battery.c @@ -163,8 +163,9 @@ static int rt5033_battery_probe(struct i2c_client *client) psy_cfg.of_node = client->dev.of_node; psy_cfg.drv_data = battery; - battery->psy = power_supply_register(&client->dev, - &rt5033_battery_desc, &psy_cfg); + battery->psy = devm_power_supply_register(&client->dev, + &rt5033_battery_desc, + &psy_cfg); if (IS_ERR(battery->psy)) return dev_err_probe(&client->dev, PTR_ERR(battery->psy), "Failed to register power supply\n"); @@ -172,13 +173,6 @@ static int rt5033_battery_probe(struct i2c_client *client) return 0; } -static void rt5033_battery_remove(struct i2c_client *client) -{ - struct rt5033_battery *battery = i2c_get_clientdata(client); - - power_supply_unregister(battery->psy); -} - static const struct i2c_device_id rt5033_battery_id[] = { { "rt5033-battery", }, { } @@ -197,7 +191,6 @@ static struct i2c_driver rt5033_battery_driver = { .of_match_table = rt5033_battery_of_match, }, .probe = rt5033_battery_probe, - .remove = rt5033_battery_remove, .id_table = rt5033_battery_id, }; module_i2c_driver(rt5033_battery_driver); diff --git a/drivers/power/supply/rx51_battery.c b/drivers/power/supply/rx51_battery.c index e2bfc81f0f..7cdcd415e8 100644 --- a/drivers/power/supply/rx51_battery.c +++ b/drivers/power/supply/rx51_battery.c @@ -192,14 +192,11 @@ static int rx51_battery_probe(struct platform_device *pdev) { struct power_supply_config psy_cfg = {}; struct rx51_device_info *di; - int ret; di = devm_kzalloc(&pdev->dev, sizeof(*di), GFP_KERNEL); if (!di) return -ENOMEM; - platform_set_drvdata(pdev, di); - di->dev = &pdev->dev; di->bat_desc.name = "rx51-battery"; di->bat_desc.type = POWER_SUPPLY_TYPE_BATTERY; @@ -209,52 +206,23 @@ static int rx51_battery_probe(struct platform_device *pdev) psy_cfg.drv_data = di; - di->channel_temp = iio_channel_get(di->dev, "temp"); - if (IS_ERR(di->channel_temp)) { - ret = PTR_ERR(di->channel_temp); - goto error; - } + di->channel_temp = devm_iio_channel_get(di->dev, "temp"); + if (IS_ERR(di->channel_temp)) + return PTR_ERR(di->channel_temp); - di->channel_bsi = iio_channel_get(di->dev, "bsi"); - if (IS_ERR(di->channel_bsi)) { - ret = PTR_ERR(di->channel_bsi); - goto error_channel_temp; - } + di->channel_bsi = devm_iio_channel_get(di->dev, "bsi"); + if (IS_ERR(di->channel_bsi)) + return PTR_ERR(di->channel_bsi); - di->channel_vbat = iio_channel_get(di->dev, "vbat"); - if (IS_ERR(di->channel_vbat)) { - ret = PTR_ERR(di->channel_vbat); - goto error_channel_bsi; - } + di->channel_vbat = devm_iio_channel_get(di->dev, "vbat"); + if (IS_ERR(di->channel_vbat)) + return PTR_ERR(di->channel_vbat); - di->bat = power_supply_register(di->dev, &di->bat_desc, &psy_cfg); - if (IS_ERR(di->bat)) { - ret = PTR_ERR(di->bat); - goto error_channel_vbat; - } + di->bat = devm_power_supply_register(di->dev, &di->bat_desc, &psy_cfg); + if (IS_ERR(di->bat)) + return PTR_ERR(di->bat); return 0; - -error_channel_vbat: - iio_channel_release(di->channel_vbat); -error_channel_bsi: - iio_channel_release(di->channel_bsi); -error_channel_temp: - iio_channel_release(di->channel_temp); -error: - - return ret; -} - -static void rx51_battery_remove(struct platform_device *pdev) -{ - struct rx51_device_info *di = platform_get_drvdata(pdev); - - power_supply_unregister(di->bat); - - iio_channel_release(di->channel_vbat); - iio_channel_release(di->channel_bsi); - iio_channel_release(di->channel_temp); } #ifdef CONFIG_OF @@ -267,7 +235,6 @@ MODULE_DEVICE_TABLE(of, n900_battery_of_match); static struct platform_driver rx51_battery_driver = { .probe = rx51_battery_probe, - .remove_new = rx51_battery_remove, .driver = { .name = "rx51-battery", .of_match_table = of_match_ptr(n900_battery_of_match), diff --git a/drivers/power/supply/sbs-manager.c b/drivers/power/supply/sbs-manager.c index 9e4141cffb..933b04806d 100644 --- a/drivers/power/supply/sbs-manager.c +++ b/drivers/power/supply/sbs-manager.c @@ -358,7 +358,7 @@ static int sbsm_probe(struct i2c_client *client) /* register muxed i2c channels. One for each supported battery */ for (i = 0; i < SBSM_MAX_BATS; ++i) { if (data->supported_bats & BIT(i)) { - ret = i2c_mux_add_adapter(data->muxc, 0, i + 1, 0); + ret = i2c_mux_add_adapter(data->muxc, 0, i + 1); if (ret) break; } diff --git a/drivers/power/supply/test_power.c b/drivers/power/supply/test_power.c index 0d0a77584c..442ceb7795 100644 --- a/drivers/power/supply/test_power.c +++ b/drivers/power/supply/test_power.c @@ -35,6 +35,8 @@ static int battery_capacity = 50; static int battery_voltage = 3300; static int battery_charge_counter = -1000; static int battery_current = -1600; +static enum power_supply_charge_behaviour battery_charge_behaviour = + POWER_SUPPLY_CHARGE_BEHAVIOUR_AUTO; static bool module_initialized; @@ -123,6 +125,9 @@ static int test_power_get_battery_property(struct power_supply *psy, case POWER_SUPPLY_PROP_CURRENT_NOW: val->intval = battery_current; break; + case POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR: + val->intval = battery_charge_behaviour; + break; default: pr_info("%s: some properties deliberately report errors.\n", __func__); @@ -131,6 +136,31 @@ static int test_power_get_battery_property(struct power_supply *psy, return 0; } +static int test_power_battery_property_is_writeable(struct power_supply *psy, + enum power_supply_property psp) +{ + return psp == POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR; +} + +static int test_power_set_battery_property(struct power_supply *psy, + enum power_supply_property psp, + const union power_supply_propval *val) +{ + switch (psp) { + case POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR: + if (val->intval < 0 || + val->intval >= BITS_PER_TYPE(typeof(psy->desc->charge_behaviours)) || + !(BIT(val->intval) & psy->desc->charge_behaviours)) { + return -EINVAL; + } + battery_charge_behaviour = val->intval; + break; + default: + return -EINVAL; + } + return 0; +} + static enum power_supply_property test_power_ac_props[] = { POWER_SUPPLY_PROP_ONLINE, }; @@ -156,6 +186,7 @@ static enum power_supply_property test_power_battery_props[] = { POWER_SUPPLY_PROP_VOLTAGE_NOW, POWER_SUPPLY_PROP_CURRENT_AVG, POWER_SUPPLY_PROP_CURRENT_NOW, + POWER_SUPPLY_PROP_CHARGE_BEHAVIOUR, }; static char *test_power_ac_supplied_to[] = { @@ -178,6 +209,11 @@ static const struct power_supply_desc test_power_desc[] = { .properties = test_power_battery_props, .num_properties = ARRAY_SIZE(test_power_battery_props), .get_property = test_power_get_battery_property, + .set_property = test_power_set_battery_property, + .property_is_writeable = test_power_battery_property_is_writeable, + .charge_behaviours = BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_AUTO) + | BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE) + | BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_FORCE_DISCHARGE), }, [TEST_USB] = { .name = "test_usb", diff --git a/drivers/power/supply/tps65090-charger.c b/drivers/power/supply/tps65090-charger.c index c59197d2aa..d41595764c 100644 --- a/drivers/power/supply/tps65090-charger.c +++ b/drivers/power/supply/tps65090-charger.c @@ -262,7 +262,7 @@ static int tps65090_charger_probe(struct platform_device *pdev) psy_cfg.of_node = pdev->dev.of_node; psy_cfg.drv_data = cdata; - cdata->ac = power_supply_register(&pdev->dev, &tps65090_charger_desc, + cdata->ac = devm_power_supply_register(&pdev->dev, &tps65090_charger_desc, &psy_cfg); if (IS_ERR(cdata->ac)) { dev_err(&pdev->dev, "failed: power supply register\n"); @@ -277,7 +277,7 @@ static int tps65090_charger_probe(struct platform_device *pdev) ret = tps65090_config_charger(cdata); if (ret < 0) { dev_err(&pdev->dev, "charger config failed, err %d\n", ret); - goto fail_unregister_supply; + return ret; } /* Check for charger presence */ @@ -286,14 +286,14 @@ static int tps65090_charger_probe(struct platform_device *pdev) if (ret < 0) { dev_err(cdata->dev, "%s(): Error in reading reg 0x%x", __func__, TPS65090_REG_CG_STATUS1); - goto fail_unregister_supply; + return ret; } if (status1 != 0) { ret = tps65090_enable_charging(cdata); if (ret < 0) { dev_err(cdata->dev, "error enabling charger\n"); - goto fail_unregister_supply; + return ret; } cdata->ac_online = 1; power_supply_changed(cdata->ac); @@ -306,7 +306,7 @@ static int tps65090_charger_probe(struct platform_device *pdev) dev_err(cdata->dev, "Unable to register irq %d err %d\n", irq, ret); - goto fail_unregister_supply; + return ret; } } else { cdata->poll_task = kthread_run(tps65090_charger_poll_task, @@ -316,16 +316,11 @@ static int tps65090_charger_probe(struct platform_device *pdev) ret = PTR_ERR(cdata->poll_task); dev_err(cdata->dev, "Unable to run kthread err %d\n", ret); - goto fail_unregister_supply; + return ret; } } return 0; - -fail_unregister_supply: - power_supply_unregister(cdata->ac); - - return ret; } static void tps65090_charger_remove(struct platform_device *pdev) @@ -334,7 +329,6 @@ static void tps65090_charger_remove(struct platform_device *pdev) if (cdata->irq == -ENXIO) kthread_stop(cdata->poll_task); - power_supply_unregister(cdata->ac); } static const struct of_device_id of_tps65090_charger_match[] = { diff --git a/drivers/power/supply/twl4030_madc_battery.c b/drivers/power/supply/twl4030_madc_battery.c index 33106476be..3935162e35 100644 --- a/drivers/power/supply/twl4030_madc_battery.c +++ b/drivers/power/supply/twl4030_madc_battery.c @@ -188,30 +188,23 @@ static int twl4030_madc_battery_probe(struct platform_device *pdev) struct twl4030_madc_battery *twl4030_madc_bat; struct twl4030_madc_bat_platform_data *pdata = pdev->dev.platform_data; struct power_supply_config psy_cfg = {}; - int ret = 0; twl4030_madc_bat = devm_kzalloc(&pdev->dev, sizeof(*twl4030_madc_bat), GFP_KERNEL); if (!twl4030_madc_bat) return -ENOMEM; - twl4030_madc_bat->channel_temp = iio_channel_get(&pdev->dev, "temp"); - if (IS_ERR(twl4030_madc_bat->channel_temp)) { - ret = PTR_ERR(twl4030_madc_bat->channel_temp); - goto err; - } + twl4030_madc_bat->channel_temp = devm_iio_channel_get(&pdev->dev, "temp"); + if (IS_ERR(twl4030_madc_bat->channel_temp)) + return PTR_ERR(twl4030_madc_bat->channel_temp); - twl4030_madc_bat->channel_ichg = iio_channel_get(&pdev->dev, "ichg"); - if (IS_ERR(twl4030_madc_bat->channel_ichg)) { - ret = PTR_ERR(twl4030_madc_bat->channel_ichg); - goto err_temp; - } + twl4030_madc_bat->channel_ichg = devm_iio_channel_get(&pdev->dev, "ichg"); + if (IS_ERR(twl4030_madc_bat->channel_ichg)) + return PTR_ERR(twl4030_madc_bat->channel_ichg); - twl4030_madc_bat->channel_vbat = iio_channel_get(&pdev->dev, "vbat"); - if (IS_ERR(twl4030_madc_bat->channel_vbat)) { - ret = PTR_ERR(twl4030_madc_bat->channel_vbat); - goto err_ichg; - } + twl4030_madc_bat->channel_vbat = devm_iio_channel_get(&pdev->dev, "vbat"); + if (IS_ERR(twl4030_madc_bat->channel_vbat)) + return PTR_ERR(twl4030_madc_bat->channel_vbat); /* sort charging and discharging calibration data */ sort(pdata->charging, pdata->charging_size, @@ -222,37 +215,14 @@ static int twl4030_madc_battery_probe(struct platform_device *pdev) twl4030_cmp, NULL); twl4030_madc_bat->pdata = pdata; - platform_set_drvdata(pdev, twl4030_madc_bat); psy_cfg.drv_data = twl4030_madc_bat; - twl4030_madc_bat->psy = power_supply_register(&pdev->dev, - &twl4030_madc_bat_desc, - &psy_cfg); - if (IS_ERR(twl4030_madc_bat->psy)) { - ret = PTR_ERR(twl4030_madc_bat->psy); - goto err_vbat; - } + twl4030_madc_bat->psy = devm_power_supply_register(&pdev->dev, + &twl4030_madc_bat_desc, + &psy_cfg); + if (IS_ERR(twl4030_madc_bat->psy)) + return PTR_ERR(twl4030_madc_bat->psy); return 0; - -err_vbat: - iio_channel_release(twl4030_madc_bat->channel_vbat); -err_ichg: - iio_channel_release(twl4030_madc_bat->channel_ichg); -err_temp: - iio_channel_release(twl4030_madc_bat->channel_temp); -err: - return ret; -} - -static void twl4030_madc_battery_remove(struct platform_device *pdev) -{ - struct twl4030_madc_battery *bat = platform_get_drvdata(pdev); - - power_supply_unregister(bat->psy); - - iio_channel_release(bat->channel_vbat); - iio_channel_release(bat->channel_ichg); - iio_channel_release(bat->channel_temp); } static struct platform_driver twl4030_madc_battery_driver = { @@ -260,7 +230,6 @@ static struct platform_driver twl4030_madc_battery_driver = { .name = "twl4030_madc_battery", }, .probe = twl4030_madc_battery_probe, - .remove_new = twl4030_madc_battery_remove, }; module_platform_driver(twl4030_madc_battery_driver); diff --git a/drivers/power/supply/wm831x_backup.c b/drivers/power/supply/wm831x_backup.c index 1a7265660a..9673fcf7f3 100644 --- a/drivers/power/supply/wm831x_backup.c +++ b/drivers/power/supply/wm831x_backup.c @@ -171,7 +171,6 @@ static int wm831x_backup_probe(struct platform_device *pdev) return -ENOMEM; devdata->wm831x = wm831x; - platform_set_drvdata(pdev, devdata); /* We ignore configuration failures since we can still read * back the status without enabling the charger (which may @@ -191,22 +190,14 @@ static int wm831x_backup_probe(struct platform_device *pdev) devdata->backup_desc.properties = wm831x_backup_props; devdata->backup_desc.num_properties = ARRAY_SIZE(wm831x_backup_props); devdata->backup_desc.get_property = wm831x_backup_get_prop; - devdata->backup = power_supply_register(&pdev->dev, - &devdata->backup_desc, NULL); + devdata->backup = devm_power_supply_register(&pdev->dev, + &devdata->backup_desc, NULL); return PTR_ERR_OR_ZERO(devdata->backup); } -static void wm831x_backup_remove(struct platform_device *pdev) -{ - struct wm831x_backup *devdata = platform_get_drvdata(pdev); - - power_supply_unregister(devdata->backup); -} - static struct platform_driver wm831x_backup_driver = { .probe = wm831x_backup_probe, - .remove_new = wm831x_backup_remove, .driver = { .name = "wm831x-backup", }, diff --git a/drivers/power/supply/wm831x_power.c b/drivers/power/supply/wm831x_power.c index e49b01ee5f..d56e499ac5 100644 --- a/drivers/power/supply/wm831x_power.c +++ b/drivers/power/supply/wm831x_power.c @@ -570,8 +570,9 @@ static int wm831x_power_probe(struct platform_device *pdev) power->wall_desc.properties = wm831x_wall_props; power->wall_desc.num_properties = ARRAY_SIZE(wm831x_wall_props); power->wall_desc.get_property = wm831x_wall_get_prop; - power->wall = power_supply_register(&pdev->dev, &power->wall_desc, - NULL); + power->wall = devm_power_supply_register(&pdev->dev, + &power->wall_desc, + NULL); if (IS_ERR(power->wall)) { ret = PTR_ERR(power->wall); goto err; @@ -582,7 +583,9 @@ static int wm831x_power_probe(struct platform_device *pdev) power->usb_desc.properties = wm831x_usb_props; power->usb_desc.num_properties = ARRAY_SIZE(wm831x_usb_props); power->usb_desc.get_property = wm831x_usb_get_prop; - power->usb = power_supply_register(&pdev->dev, &power->usb_desc, NULL); + power->usb = devm_power_supply_register(&pdev->dev, + &power->usb_desc, + NULL); if (IS_ERR(power->usb)) { ret = PTR_ERR(power->usb); goto err_wall; @@ -599,9 +602,9 @@ static int wm831x_power_probe(struct platform_device *pdev) power->battery_desc.num_properties = ARRAY_SIZE(wm831x_bat_props); power->battery_desc.get_property = wm831x_bat_get_prop; power->battery_desc.use_for_apm = 1; - power->battery = power_supply_register(&pdev->dev, - &power->battery_desc, - NULL); + power->battery = devm_power_supply_register(&pdev->dev, + &power->battery_desc, + NULL); if (IS_ERR(power->battery)) { ret = PTR_ERR(power->battery); goto err_usb; @@ -684,12 +687,8 @@ err_syslo: irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "SYSLO")); free_irq(irq, power); err_battery: - if (power->have_battery) - power_supply_unregister(power->battery); err_usb: - power_supply_unregister(power->usb); err_wall: - power_supply_unregister(power->wall); err: return ret; } @@ -717,11 +716,6 @@ static void wm831x_power_remove(struct platform_device *pdev) irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "SYSLO")); free_irq(irq, wm831x_power); - - if (wm831x_power->have_battery) - power_supply_unregister(wm831x_power->battery); - power_supply_unregister(wm831x_power->wall); - power_supply_unregister(wm831x_power->usb); } static struct platform_driver wm831x_power_driver = { diff --git a/drivers/power/supply/wm8350_power.c b/drivers/power/supply/wm8350_power.c index f23b4f5343..3f79ab6f6a 100644 --- a/drivers/power/supply/wm8350_power.c +++ b/drivers/power/supply/wm8350_power.c @@ -540,22 +540,17 @@ static int wm8350_power_probe(struct platform_device *pdev) struct wm8350_charger_policy *policy = power->policy; int ret; - power->ac = power_supply_register(&pdev->dev, &wm8350_ac_desc, NULL); + power->ac = devm_power_supply_register(&pdev->dev, &wm8350_ac_desc, NULL); if (IS_ERR(power->ac)) return PTR_ERR(power->ac); - power->battery = power_supply_register(&pdev->dev, &wm8350_battery_desc, - NULL); - if (IS_ERR(power->battery)) { - ret = PTR_ERR(power->battery); - goto battery_failed; - } + power->battery = devm_power_supply_register(&pdev->dev, &wm8350_battery_desc, NULL); + if (IS_ERR(power->battery)) + return PTR_ERR(power->battery); - power->usb = power_supply_register(&pdev->dev, &wm8350_usb_desc, NULL); - if (IS_ERR(power->usb)) { - ret = PTR_ERR(power->usb); - goto usb_failed; - } + power->usb = devm_power_supply_register(&pdev->dev, &wm8350_usb_desc, NULL); + if (IS_ERR(power->usb)) + return PTR_ERR(power->usb); ret = device_create_file(&pdev->dev, &dev_attr_charger_state); if (ret < 0) @@ -570,25 +565,14 @@ static int wm8350_power_probe(struct platform_device *pdev) } return ret; - -usb_failed: - power_supply_unregister(power->battery); -battery_failed: - power_supply_unregister(power->ac); - - return ret; } static void wm8350_power_remove(struct platform_device *pdev) { struct wm8350 *wm8350 = platform_get_drvdata(pdev); - struct wm8350_power *power = &wm8350->power; free_charger_irq(wm8350); device_remove_file(&pdev->dev, &dev_attr_charger_state); - power_supply_unregister(power->battery); - power_supply_unregister(power->ac); - power_supply_unregister(power->usb); } static struct platform_driver wm8350_power_driver = { |