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[2003:e4:1f1c:800:f22f:74ff:fe1f:3a53]) by smtp.gmail.com with ESMTPSA id o10-20020a5d684a000000b002d89e113691sm24238578wrw.52.2023.03.30.09.29.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Mar 2023 09:29:35 -0700 (PDT) Date: Thu, 30 Mar 2023 18:29:33 +0200 From: Thierry Reding To: Mikko Perttunen Cc: "Rafael J. Wysocki" , Daniel Lezcano , Amit Kucheria , Zhang Rui , Jonathan Hunter , Mikko Perttunen , linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] thermal: tegra-bpmp: Handle offline zones Message-ID: References: <20230330094904.2589428-1-cyndis@kapsi.fi> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="q074XcMAmYlwWTlF" Content-Disposition: inline In-Reply-To: <20230330094904.2589428-1-cyndis@kapsi.fi> User-Agent: Mutt/2.2.10 (2023-03-25) Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org --q074XcMAmYlwWTlF Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Mar 30, 2023 at 12:49:04PM +0300, Mikko Perttunen wrote: > From: Mikko Perttunen >=20 > Thermal zones located in power domains may not be accessible when > the domain is powergated. In this situation, reading the temperature > will return -BPMP_EFAULT. When evaluating trips, BPMP will internally > use -256C as the temperature for offline zones. >=20 > For smooth operation, for offline zones, return -EAGAIN when reading > the temperature and allow registration of zones even if they are > offline during probe. >=20 > Signed-off-by: Mikko Perttunen > --- > v2: > * Adjusted commit message. > * Patch 2/2 dropped for now since it is more controversial, > and this patch is more critical. >=20 > drivers/thermal/tegra/tegra-bpmp-thermal.c | 9 ++++++++- > 1 file changed, 8 insertions(+), 1 deletion(-) Acked-by: Thierry Reding --q074XcMAmYlwWTlF Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAmQluOsACgkQ3SOs138+ s6H4OA/6AxZ9lvyK8vFq4QrKH+cmYkVUB6/VsqXgF42eaxIzYPBLqnaXqqXkR1Ji qPZe5uTay/R2v6gxgg9V97aK43DNTL4dQV7DHxk1sa+Oepe8JBEnzUEjSdUmC391 ou98SDwyRHj8P6VoNM1BPVAfSP2F1j1jZn2f/hrr0qZ7aj2NyZltoW0G3bdyDA2e sLG+9GRmddEmWGzPqezNUnKLmkOgx4huodK0uk7Pi2gR4YLLcgRmj+/61p5AOeAl Dn0ihEzmVEzxczbY/PDzEe/Gmw55Zgs0BDGxU2I6pTvKkhDBzECJwG8Dk6RGaVqM Oq81jGTSTwK8ZqdgxCjSNN71tv8sc2RI5WcJ5ImFh7+WFVooyW5DWBD3SJAF24DI IQaSzen6n5eYx/EJ3P7ZWO6JtSdUPUj+VTRyxGgxijYv/NHQQ7cf6T4xY/HDgABU c5W49SLYWv2NrN8NiYkAuUqVHDK9Y/MftdQyL//sa5wnzX6BHrGBWW4nQ9Ndxlhh mgTSaPWEYMAFT8lQWJhwRox9xj/z+fBUF2lO/aqx2tyXYvL/iLtygGtXEWzKmQmj ewHCpJgmh5mdMLfQwAyWKeftO0Y2ylgnqW5xUdR6qiqfEtzhMkbXJXcfoRR3T3gk MQKTVBlYMw2XDrklOZRrV6VoPZb7hvnayvUmqNtQJUQkezcO8js= =d+wm -----END PGP SIGNATURE----- --q074XcMAmYlwWTlF--