[PATCH 4/6] regulator: lp872x: Add enable GPIO pin support

[Mark Brown]

On Wed, Dec 23, 2015 at 11:58:37AM +0100, Paul Kocialkowski wrote:

> +	gpio = lp->pdata->enable_gpio;
> +	if (!gpio_is_valid(gpio))
> +		return 0;
> +
> +	/* Always set enable GPIO high. */
> +	ret = devm_gpio_request_one(lp->dev, gpio, GPIOF_OUT_INIT_HIGH, "LP872X EN");
> +	if (ret) {
> +		dev_err(lp->dev, "gpio request err: %d\n", ret);
> +		return ret;
> +	}

This isn't really adding support for the enable GPIO as the changelog
suggests, it's requesting but not managing the GPIO.  Since there is
core support for manging enable GPIOs this seems especially silly,
please tell the core about the GPIO and then it will work at runtime
too.
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