Re: [PATCH v8 08/11] power: act8945a_charger: Add max current property

[Sebastian Reichel]

Hi,

On Thu, Aug 25, 2016 at 03:19:56PM +0800, Wenyou Yang wrote:
> Add the power supply's current max property,
> POWER_SUPPLY_PROP_CURRENT_MAX.

[...]
  
> -	chglev_pin = of_get_named_gpio_flags(np,
> -				"active-semi,chglev-gpios", 0, &flags);
> -
> -	if (gpio_is_valid(chglev_pin)) {
> -		gpio_set_value(chglev_pin,
> -			       ((flags == OF_GPIO_ACTIVE_LOW) ? 0 : 1));
> +	charger->chglev_gpio = devm_gpiod_get(dev,
> +					      "active-semi,chglev", GPIOD_IN);
> +	if (PTR_ERR(charger->chglev_gpio) == -EPROBE_DEFER) {
> +		dev_info(dev, "probe retry requested for gpio \"chglev\"\n");
> +		return -EPROBE_DEFER;
> +	} else if (IS_ERR(charger->chglev_gpio)) {
> +		dev_err(dev, "unable to claim gpio \"chglev\"\n");
> +		charger->chglev_gpio = NULL;

Please also use devm_gpiod_get_optional() here (see previous patch).

-- Sebastian

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