Re: [PATCH 1/3] regulator: fixed: add possibility to enable by clock

[Mark Brown]

On Tue, Sep 03, 2019 at 08:03:46AM +0000, Philippe Schenker wrote:
> This commit adds the possibility to choose the compatible
> "regulator-fixed-clock" in devicetree.
> 
> This is a special regulator-fixed that has to have a clock, from which
> the regulator gets switched on and off.

This seems conceptually fine.  Minor issues though:

> +static int reg_clock_is_enabled(struct regulator_dev *rdev)
> +{
> +	struct fixed_voltage_data *priv = rdev_get_drvdata(rdev);
> +
> +	if (priv->clk_enable_counter > 0)
> +		return 1;
> +
> +	return 0;
> +}

This could just be return priv->clk_enable_counter > 0 - ideally the
clock API would let us query if the clock is enabled but that might be a
bit confused anyway given that it's possibly shared.

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