Messages in this thread | | | Subject | Re: [EXTERNAL] Re: [PATCH v4 2/2] power: supply: bq256xx: Introduce the BQ256XX charger driver | From | Ricardo Rivera-Matos <> | Date | Thu, 1 Oct 2020 11:47:10 -0500 |
| |
Sebastian
On 9/30/20 6:47 PM, Sebastian Reichel wrote: > Hi, > > You are leaking some resources, otherwise LGTM. ACK > > On Wed, Sep 23, 2020 at 10:24:16AM -0500, Ricardo Rivera-Matos wrote: >> [...] >> +static int bq256xx_hw_init(struct bq256xx_device *bq) >> +{ >> + struct power_supply_battery_info bat_info = { }; >> + int wd_reg_val = BQ256XX_WATCHDOG_DIS; >> + int ret = 0; >> + int i; >> + >> + for (i = 0; i < BQ256XX_NUM_WD_VAL; i++) { >> + if (bq->watchdog_timer > bq256xx_watchdog_time[i] && >> + bq->watchdog_timer < bq256xx_watchdog_time[i + 1]) >> + wd_reg_val = i; >> + } >> + ret = regmap_update_bits(bq->regmap, BQ256XX_CHARGER_CONTROL_1, >> + BQ256XX_WATCHDOG_MASK, wd_reg_val << >> + BQ256XX_WDT_BIT_SHIFT); >> + >> + ret = power_supply_get_battery_info(bq->charger, &bat_info); >> + if (ret) { >> + dev_warn(bq->dev, "battery info missing, default values will be applied\n"); >> + >> + bat_info.constant_charge_current_max_ua = >> + bq->chip_info->bq256xx_def_ichg; >> + >> + bat_info.constant_charge_voltage_max_uv = >> + bq->chip_info->bq256xx_def_vbatreg; >> + >> + bat_info.precharge_current_ua = >> + bq->chip_info->bq256xx_def_iprechg; >> + >> + bat_info.charge_term_current_ua = >> + bq->chip_info->bq256xx_def_iterm; >> + >> + bq->init_data.ichg_max = >> + bq->chip_info->bq256xx_max_ichg; >> + >> + bq->init_data.vbatreg_max = >> + bq->chip_info->bq256xx_max_vbatreg; >> + } else { >> + bq->init_data.ichg_max = >> + bat_info.constant_charge_current_max_ua; >> + >> + bq->init_data.vbatreg_max = >> + bat_info.constant_charge_voltage_max_uv; >> + } >> + >> + ret = bq->chip_info->bq256xx_set_vindpm(bq, bq->init_data.vindpm); >> + if (ret) >> + goto err_out; >> + >> + ret = bq->chip_info->bq256xx_set_iindpm(bq, bq->init_data.iindpm); >> + if (ret) >> + goto err_out; >> + >> + ret = bq->chip_info->bq256xx_set_ichg(bq, >> + bat_info.constant_charge_current_max_ua); >> + if (ret) >> + goto err_out; >> + >> + ret = bq->chip_info->bq256xx_set_iprechg(bq, >> + bat_info.precharge_current_ua); >> + if (ret) >> + goto err_out; >> + >> + ret = bq->chip_info->bq256xx_set_vbatreg(bq, >> + bat_info.constant_charge_voltage_max_uv); >> + if (ret) >> + goto err_out; >> + >> + ret = bq->chip_info->bq256xx_set_iterm(bq, >> + bat_info.charge_term_current_ua); >> + if (ret) >> + goto err_out; > You need to power_supply_put_battery_info(). ACK > >> + >> + return 0; >> + >> +err_out: >> + return ret; >> +} >> + >> +static int bq256xx_parse_dt(struct bq256xx_device *bq) >> +{ >> + int ret = 0; >> + >> + ret = device_property_read_u32(bq->dev, "ti,watchdog-timeout-ms", >> + &bq->watchdog_timer); >> + if (ret) >> + bq->watchdog_timer = BQ256XX_WATCHDOG_DIS; >> + >> + if (bq->watchdog_timer > BQ256XX_WATCHDOG_MAX || >> + bq->watchdog_timer < BQ256XX_WATCHDOG_DIS) >> + return -EINVAL; >> + >> + ret = device_property_read_u32(bq->dev, >> + "input-voltage-limit-microvolt", >> + &bq->init_data.vindpm); >> + if (ret) >> + bq->init_data.vindpm = bq->chip_info->bq256xx_def_vindpm; >> + >> + ret = device_property_read_u32(bq->dev, >> + "input-current-limit-microamp", >> + &bq->init_data.iindpm); >> + if (ret) >> + bq->init_data.iindpm = bq->chip_info->bq256xx_def_iindpm; >> + >> + return 0; >> +} >> + >> +static int bq256xx_probe(struct i2c_client *client, >> + const struct i2c_device_id *id) >> +{ >> + struct device *dev = &client->dev; >> + struct bq256xx_device *bq; >> + int ret; >> + >> + bq = devm_kzalloc(dev, sizeof(*bq), GFP_KERNEL); >> + if (!bq) >> + return -ENOMEM; >> + >> + bq->client = client; >> + bq->dev = dev; >> + bq->chip_info = &bq256xx_chip_info_tbl[id->driver_data]; >> + >> + mutex_init(&bq->lock); >> + >> + strncpy(bq->model_name, id->name, I2C_NAME_SIZE); >> + >> + bq->regmap = devm_regmap_init_i2c(client, >> + bq->chip_info->bq256xx_regmap_config); >> + >> + if (IS_ERR(bq->regmap)) { >> + dev_err(dev, "Failed to allocate register map\n"); >> + return PTR_ERR(bq->regmap); >> + } >> + >> + i2c_set_clientdata(client, bq); >> + >> + ret = bq256xx_parse_dt(bq); >> + if (ret) { >> + dev_err(dev, "Failed to read device tree properties%d\n", ret); >> + return ret; >> + } >> + >> + /* OTG reporting */ >> + bq->usb2_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2); >> + if (!IS_ERR_OR_NULL(bq->usb2_phy)) { >> + INIT_WORK(&bq->usb_work, bq256xx_usb_work); >> + bq->usb_nb.notifier_call = bq256xx_usb_notifier; >> + usb_register_notifier(bq->usb2_phy, &bq->usb_nb); >> + } >> + >> + bq->usb3_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB3); >> + if (!IS_ERR_OR_NULL(bq->usb3_phy)) { >> + INIT_WORK(&bq->usb_work, bq256xx_usb_work); >> + bq->usb_nb.notifier_call = bq256xx_usb_notifier; >> + usb_register_notifier(bq->usb3_phy, &bq->usb_nb); >> + } >> + >> + if (client->irq) { >> + ret = devm_request_threaded_irq(dev, client->irq, NULL, >> + bq256xx_irq_handler_thread, >> + IRQF_TRIGGER_FALLING | >> + IRQF_ONESHOT, >> + dev_name(&client->dev), bq); >> + if (ret) >> + goto error_out; >> + } >> + >> + ret = bq256xx_power_supply_init(bq, dev); >> + if (ret) { >> + dev_err(dev, "Failed to register power supply\n"); >> + goto error_out; >> + } >> + >> + ret = bq256xx_hw_init(bq); >> + if (ret) { >> + dev_err(dev, "Cannot initialize the chip.\n"); >> + goto error_out; >> + } >> + >> + return ret; >> + >> +error_out: >> + if (!IS_ERR_OR_NULL(bq->usb2_phy)) >> + usb_unregister_notifier(bq->usb2_phy, &bq->usb_nb); >> + >> + if (!IS_ERR_OR_NULL(bq->usb3_phy)) >> + usb_unregister_notifier(bq->usb3_phy, &bq->usb_nb); >> + return ret; > This also needs to be called during driver removal. Probably > it's best to do this via devm_add_action_or_reset(). ACK, I will insert devm_add_action_or_reset() just before ret = bq256xx_power_supply_init() > >> [...] > -- Sebastian Ricardo
| |