linux-kernel - Re: [PATCH 6/8] regulator: core: Propagate voltage changes to supply regulators

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Message-ID: <20151016165522.GU14956@sirena.org.uk>
Date:	Fri, 16 Oct 2015 17:55:22 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Sascha Hauer <s.hauer@...gutronix.de>
Cc:	linux-kernel@...r.kernel.org, Liam Girdwood <lgirdwood@...il.com>,
	kernel@...gutronix.de, alkml@...gutronix.de
Subject: Re: [PATCH 6/8] regulator: core: Propagate voltage changes to supply
 regulators

On Tue, Oct 13, 2015 at 12:45:29PM +0200, Sascha Hauer wrote:

> +		best_supply_uV = regulator_get_voltage_floor(regulator, min_uV);
> +		if (best_supply_uV < 0) {
> +			ret = best_supply_uV;
> +			goto out2;
> +		}

Now I look at the user here this is just the map voltage operation.  We
could even refactor...

>  	ret = _regulator_do_set_voltage(rdev, min_uV, max_uV);
>  	if (ret < 0)
>  		goto out2;

...do_set_voltage() so that we only do the mapping once, though that
gets tricky as we still support devices that don't have mapping
configured :/ .

Otherwise this looks good.

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