linux-kernel - Re: [PATCH v3 1/6] dt-bindings: mfd: add pf1550

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <aDdMZoIOqlYcvbGg@fedora>
Date: Wed, 28 May 2025 13:48:22 -0400
From: Samuel Kayode <samuel.kayode@...oirfairelinux.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: Lee Jones <lee@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Sebastian Reichel <sre@...nel.org>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
	linux-pm@...r.kernel.org, eballetbo@...il.com, abelvesa@...ux.com,
	b38343@...escale.com, yibin.gong@....com,
	Abel Vesa <abelvesa@...nel.org>
Subject: Re: [PATCH v3 1/6] dt-bindings: mfd: add pf1550

On Wed, May 28, 2025 at 08:08:17AM +0200, Krzysztof Kozlowski wrote:
> > +    description:
> > +      Temperature threshold for thermal regulation of charger in celsius.
> 
> But this now makes me wonder whether this should be just part of thermal
> zone and get the threshold from there. I assume this is temperature of
> CHARGER, not the battery. If battery, you have such properties in
> battery.yaml (monitored-batter).
Yes, it is the charger junction temperature.
> 
> @Sebastian,
> Are there existing bindings or devices which regulate temperature based
> on thermal-zones in DT?
> > +examples:
> > +  - |
> > +    battery: battery-cell {
> > +        compatible = "simple-battery";
> > +        constant-charge-voltage-max-microvolt = <4400000>;
> > +        operating-range-celsius = <0 75>;
> 
> So this looks like duplicating thermal-regulation property.
Yes, thermal-regulation should suffice.

Thanks,
Sam