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[130.180.211.218]) by smtp.googlemail.com with ESMTPSA id y16-20020a5d6150000000b00313e59cb371sm9253083wrt.12.2023.07.23.02.40.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 23 Jul 2023 02:40:35 -0700 (PDT) Message-ID: <17dc1961-c629-e09f-8979-1e6cbc92534e@linaro.org> Date: Sun, 23 Jul 2023 11:40:34 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH] thermal/drivers/sun8i: Don't fail probe due to zone registration failure Content-Language: en-US To: Mark Brown , Icenowy Zheng Cc: Vasily Khoruzhick , Yangtao Li , "Rafael J. Wysocki" , Amit Kucheria , Zhang Rui , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Hugh Dickins , linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org References: <20230718-thermal-sun8i-registration-v1-1-c95b1b070340@kernel.org> <5a9ccb708f004e70e2102417eb48b766b03777cd.camel@icenowy.me> From: Daniel Lezcano In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Hi Mark, On 22/07/2023 18:46, Mark Brown wrote: > On Sat, Jul 22, 2023 at 08:11:43PM +0800, Icenowy Zheng wrote: >> 在 2023-07-18星期二的 16:04 +0100，Mark Brown写道： > >>> 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: > >>> [    1.698703] thermal_sys: Failed to find 'trips' node >>> [    1.698707] thermal_sys: Failed to find trip points for thermal- >>> sensor id=1 > >> 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. Why do you want a thermal zone if there is no trip point ? -- Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog