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From: Mark Brown <broonie@kernel.org>
To: Georgi Djakov <georgi.djakov@linaro.org>
Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	stephen.boyd@linaro.org
Subject: Re: [PATCH] regulator: Support ramp-up delay for drivers with get_voltage()
Date: Wed, 30 Mar 2016 10:36:58 -0700	[thread overview]
Message-ID: <20160330173658.GN2350@sirena.org.uk> (raw)
In-Reply-To: <1459347792-13515-1-git-send-email-georgi.djakov@linaro.org>

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On Wed, Mar 30, 2016 at 05:23:12PM +0300, Georgi Djakov wrote:

> +	} else if (_regulator_is_enabled(rdev) &&
> +		   rdev->desc->ops->set_voltage_time_sel &&
> +		   rdev->desc->ops->get_voltage) {
> +		int uV = rdev->desc->ops->get_voltage(rdev);
> +
> +		if (uV > 0) {
> +			old_selector = regulator_map_voltage(rdev, uV, uV);
> +			if (old_selector < 0)
> +				return old_selector;
> +		}

If a driver is using selectors it should use selectors uninformly, it
should not mix and match selector and raw voltage interfaces.  If we
the set and get operations are not symmetric I'd expect we're going to
run into problems sooner rather than later.

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  reply	other threads:[~2016-03-30 17:37 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-30 14:23 Georgi Djakov
2016-03-30 17:36 ` Mark Brown [this message]
2016-03-30 18:17   ` Stephen Boyd
2016-03-30 18:32     ` Mark Brown
     [not found]       ` <20160330193426.5881.34139@sboyd-linaro>
2016-03-30 20:39         ` Mark Brown

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