linux-kernel - Re: [PATCH 2/4] mfd: wm8994: Fix unbalanced calls to regulator_bulk

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Message-ID: <20200522080720.GS271301@dell>
Date:   Fri, 22 May 2020 09:07:20 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Marek Szyprowski <m.szyprowski@...sung.com>
Cc:     patches@...nsource.cirrus.com, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, Mark Brown <broonie@...nel.org>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Charles Keepax <ckeepax@...nsource.cirrus.com>,
        Liam Girdwood <lgirdwood@...il.com>
Subject: Re: [PATCH 2/4] mfd: wm8994: Fix unbalanced calls to
 regulator_bulk_disable()

On Mon, 27 Apr 2020, Marek Szyprowski wrote:

> When runtime PM is enabled, regulators are being controlled by the
> driver's suspend and resume callbacks. They are also unconditionally
> enabled at driver's probe(), and disabled in remove() functions. Add
> more calls to runtime PM framework to ensure that the device's runtime
> PM state matches the regulators state:
> 1. at the end of probe() function: set runtime PM state to active, so
> there will be no spurious call to resume();
> 2. in remove(), ensure that resume() is called before disabling runtime PM
> management and unconditionally disabling the regulators.
> 
> Signed-off-by: Marek Szyprowski <m.szyprowski@...sung.com>
> Acked-by: Charles Keepax <ckeepax@...nsource.cirrus.com>
> ---
>  drivers/mfd/wm8994-core.c | 3 +++
>  1 file changed, 3 insertions(+)

Applied, thanks.

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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