linux-kernel - Re: [PATCH v6 3/8] power: supply: max8997

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Date:   Thu, 31 Dec 2020 09:55:07 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Timon Baetz <timon.baetz@...tonmail.com>
Cc:     Marek Szyprowski <m.szyprowski@...sung.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Lee Jones <lee.jones@...aro.org>,
        Sebastian Reichel <sre@...nel.org>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-pm@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH v6 3/8] power: supply: max8997_charger: Set CHARGER
 current limit

On Wed, Dec 30, 2020 at 08:52:15PM +0000, Timon Baetz wrote:
> Register for extcon notification and set charging current depending on
> the detected cable type. Current values are taken from vendor kernel,
> where most charger types end up setting 650mA [0].
> 
> Also enable and disable the CHARGER regulator based on extcon events.
> 
> [0] https://github.com/krzk/linux-vendor-backup/blob/samsung/galaxy-s2-epic-4g-touch-sph-d710-exynos4210-dump/drivers/misc/max8997-muic.c#L1675-L1678
> 
> Signed-off-by: Timon Baetz <timon.baetz@...tonmail.com>
> ---
> v6: dev_info() instead of dev_err().
> v5: Use devm_regulator_get_optional(), dev_err() on failure.
>     dev_err() on extcon_get_edev_by_phandle() failure.
> v4: Make extcon and charger-supply optional.
> v3: Split MFD change.
>     return on regulator_set_current_limit() failure.
> v2: Split DTS changes.
>     Add missing include.
>     Rename charger_data members.
>     Disable regulator on regulator_set_current_limit() failure.
>     Fix ret declaration.
>     Remove unneeded variables.
>     Don't dev_err() on deferral.
>     Get regulator and extcon from DTS.
>     Use devm_regulator_get(). 
>     Fix indentation.



Reviewed-by: Krzysztof Kozlowski <krzk@...nel.org>

Best regards,
Krzysztof