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([2a05:6e02:1041:c10:a756:bb6c:7b35:af9b]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-477bf3af0e1sm186819905e9.10.2025.11.24.03.08.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 24 Nov 2025 03:08:33 -0800 (PST) Message-ID: <2b63c064-ce62-421b-8469-e434bd0c9652@linaro.org> Date: Mon, 24 Nov 2025 12:08:32 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v7 RESEND 2/3] thermal: exynos_tmu: Support new hardware and update TMU interface To: =?UTF-8?B?7IaQ7Iug?= , 'Bartlomiej Zolnierkiewicz' , 'Krzysztof Kozlowski' , "'Rafael J . Wysocki'" , 'Zhang Rui' , 'Lukasz Luba' , 'Rob Herring' , 'Conor Dooley' , 'Alim Akhtar' Cc: 'Henrik Grimler' , linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20251113064022.2701578-1-shin.son@samsung.com> <20251113064022.2701578-3-shin.son@samsung.com> <2180a854-8ba6-4424-add2-eb34637530c1@linaro.org> <000001dc5d2a$0697bf10$13c73d30$@samsung.com> <000001dc5d32$2b4bfb20$81e3f160$@samsung.com> Content-Language: en-US From: Daniel Lezcano In-Reply-To: <000001dc5d32$2b4bfb20$81e3f160$@samsung.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 11/24/25 12:04, 손신 wrote: > Hello, Daniel Lezcano. > >> On 11/24/25 11:06, 손신 wrote: >> [ ... ] >> >>> However, since ExynosAutov920 diverges significantly from the existing >>> driver, Would introducing a separate driver instead of unifying >> everything be acceptable? >> >> So this driver is one controller for multiple sensors while the others >> drivers are one controller for one sensor, right ? >> > > Yes. As far as I understand, the previous Exynos variants used one TMU controller per sensor, > while on ExynosAutoV920 the hardware has multiple TMU instances and each instance contains multiple sensors. > Therefore, this new automotive SoC requires supporting multiple sensors behind a single TMU controller. Ok thanks. It makes sense to create a separate driver. -- Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog