diff options
Diffstat (limited to 'drivers/power/supply/max14577_charger.c')
| -rw-r--r-- | drivers/power/supply/max14577_charger.c | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/drivers/power/supply/max14577_charger.c b/drivers/power/supply/max14577_charger.c index 8a59feac6468..63077d38ea30 100644 --- a/drivers/power/supply/max14577_charger.c +++ b/drivers/power/supply/max14577_charger.c @@ -261,7 +261,7 @@ static int max14577_init_constant_voltage(struct max14577_charger *chg, static int max14577_init_eoc(struct max14577_charger *chg, unsigned int uamp) { - unsigned int current_bits = 0xf; + unsigned int current_bits; u8 reg_data; switch (chg->max14577->dev_type) { @@ -501,7 +501,7 @@ static struct max14577_charger_platform_data *max14577_charger_dt_init( static struct max14577_charger_platform_data *max14577_charger_dt_init( struct platform_device *pdev) { - return NULL; + return ERR_PTR(-ENODATA); } #endif /* CONFIG_OF */ @@ -532,7 +532,7 @@ static ssize_t show_fast_charge_timer(struct device *dev, break; } - return scnprintf(buf, PAGE_SIZE, "%u\n", val); + return sysfs_emit(buf, "%u\n", val); } static ssize_t store_fast_charge_timer(struct device *dev, @@ -572,7 +572,7 @@ static int max14577_charger_probe(struct platform_device *pdev) chg->max14577 = max14577; chg->pdata = max14577_charger_dt_init(pdev); - if (IS_ERR_OR_NULL(chg->pdata)) + if (IS_ERR(chg->pdata)) return PTR_ERR(chg->pdata); ret = max14577_charger_reg_init(chg); @@ -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); @@ -606,14 +607,9 @@ err: return ret; } -static int max14577_charger_remove(struct platform_device *pdev) +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); - - return 0; } static const struct platform_device_id max14577_charger_id[] = { @@ -623,9 +619,19 @@ static const struct platform_device_id max14577_charger_id[] = { }; MODULE_DEVICE_TABLE(platform, max14577_charger_id); +static const struct of_device_id of_max14577_charger_dt_match[] = { + { .compatible = "maxim,max14577-charger", + .data = (void *)MAXIM_DEVICE_TYPE_MAX14577, }, + { .compatible = "maxim,max77836-charger", + .data = (void *)MAXIM_DEVICE_TYPE_MAX77836, }, + { }, +}; +MODULE_DEVICE_TABLE(of, of_max14577_charger_dt_match); + static struct platform_driver max14577_charger_driver = { .driver = { .name = "max14577-charger", + .of_match_table = of_max14577_charger_dt_match, }, .probe = max14577_charger_probe, .remove = max14577_charger_remove, |