linux-kernel - Re: [PATCH 00/10] power: supply: Charger-manager improvements

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Date:   Fri, 28 Aug 2020 19:33:06 +0200
From:   Sebastian Reichel <sre@...nel.org>
To:     Jonathan Bakker <xc-racer2@...e.ca>
Cc:     krzk@...nel.org, jonghwa3.lee@...sung.com, tglx@...utronix.de,
        kstewart@...uxfoundation.org, baolin.wang7@...il.com,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 00/10] power: supply: Charger-manager improvements

Hi,

On Thu, May 14, 2020 at 04:04:25PM -0700, Jonathan Bakker wrote:
> Charger-manager is a virtual driver for unifying chargers, fuel gauges,
> extcon devices, and a thermal device into a battery management system.
> 
> Unfortunately, it has been broken since commit 830ae442202e ("extcon:
> Remove the deprecated extcon functions") when the extcon internal API
> was changed but some drivers were not updated.  Additionally, it had
> some race conditions and was unnecessarily complex.
> 
> A number of these patches come from a Tizen git tree(1); they have been
> rebased and the commit messages cleaned up.
> 
> These changes have been tested on a couple of first-gen Galaxy S devices
> based on s5pv210 with a modified max8998 driver so that a charger
> regulator is exposed.  In addition to the max8998, this hardware has
> a max17040 fuel gauge, fsa9480 extcon, and a generic thermal resistor
> for temperature sensing.
> 
> 1) https://git.tizen.org/cgit/platform/kernel/linux-exynos/log/drivers/power/charger-manager.c?h=tizen_5.0

Thanks, queued. I hope this does not trigger more people to use it.
We really need a proper core feature for this.

-- Sebastian

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