linux-kernel - Re: [PATCH 1/2] regulators: Add definition of regulator_set_voltage_time() for !CONFIG

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Date:	Tue, 3 Jun 2014 20:55:25 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Mark Brown <broonie@...nel.org>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Lists linaro-kernel <linaro-kernel@...ts.linaro.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Arvind Chauhan <arvind.chauhan@....com>,
	Eduardo Valentin <edubezval@...il.com>,
	Pavel Machek <pavel@....cz>,
	Liam Girdwood <lgirdwood@...il.com>
Subject: Re: [PATCH 1/2] regulators: Add definition of regulator_set_voltage_time()
 for !CONFIG_REGULATOR

On 3 June 2014 20:23, Mark Brown <broonie@...nel.org> wrote:
> Well, we would need to look at what the drivers were doing and figure
> out something sensible - it really depends why they're trying to set the
> regulator and what would happen if it doesn't work.

For example, few cpufreq drivers are calling it during frequency
transition and are checking return value as well.. And fail if it failed.

One way out might be checking if pointer to regulator is valid or not
and only call it if pointer is not NULL..
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