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Date:   Sat, 22 Jul 2023 17:46:45 +0100
From:   Mark Brown <broonie@kernel.org>
To:     Icenowy Zheng <uwu@icenowy.me>
Cc:     Vasily Khoruzhick <anarsoul@gmail.com>,
        Yangtao Li <tiny.windzz@gmail.com>,
        "Rafael J. Wysocki" <rafael@kernel.org>,
        Daniel Lezcano <daniel.lezcano@linaro.org>,
        Amit Kucheria <amitk@kernel.org>,
        Zhang Rui <rui.zhang@intel.com>, Chen-Yu Tsai <wens@csie.org>,
        Jernej Skrabec <jernej.skrabec@gmail.com>,
        Samuel Holland <samuel@sholland.org>,
        Hugh Dickins <hughd@google.com>, linux-pm@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] thermal/drivers/sun8i: Don't fail probe due to zone
 registration failure
Message-ID: <ZLwH9RFnJymdy7YD@finisterre.sirena.org.uk>
References: <20230718-thermal-sun8i-registration-v1-1-c95b1b070340@kernel.org>
 <5a9ccb708f004e70e2102417eb48b766b03777cd.camel@icenowy.me>
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On Sat, Jul 22, 2023 at 08:11:43PM +0800, Icenowy Zheng wrote:
> =E5=9C=A8 2023-07-18=E6=98=9F=E6=9C=9F=E4=BA=8C=E7=9A=84 16:04 +0100=EF=
=BC=8CMark Brown=E5=86=99=E9=81=93=EF=BC=9A

> > Since we currently do not define any trip points for the GPU thermal
> > zones on at least A64 or H5 this means that we have no thermal
> > support
> > on these platforms:

> > [=C2=A0=C2=A0=C2=A0 1.698703] thermal_sys: Failed to find 'trips' node
> > [=C2=A0=C2=A0=C2=A0 1.698707] thermal_sys: Failed to find trip points f=
or thermal-
> > sensor id=3D1

> I think this is an issue in the core thermal subsystem, and sent a
> patch; Unfortunately the patch seems to be rejected by linux-arm-kernel
> (and some other mailing lists)...

It did seem to be a bit of an excessively strict requirement, I was
going to poke at that myself.  It does seem worthwhile doing the change
in the sun8i driver anyway, there might be some other issue that causes
registration to fail which would have the same issue.

> I will then resend it again and put Mark into CC list.

Thanks.

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