From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f41.google.com (mail-wm1-f41.google.com [209.85.128.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 63F532FDC28 for ; Mon, 24 Nov 2025 11:08:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.41 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763982517; cv=none; b=tHueZtc/uvqHVT4Wxjym9lYmktss7Ufx7rIup7zcHiGJeGWYFhdO7HMUDVUrQQkOgqLvW71DyVXy+3O14wGieV0fv3azZXihvnWpxmUgLSV0vWRAu2dfaHSDOcs8ipUuzJ9vu+XmjygYl+C/FZxurPWBSVLdKeKq7smD64OgSk8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763982517; c=relaxed/simple; bh=pX8uLa24ufHlLnnLsdkJcwhfxVMAqlg8mivH7rZolUQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=YJQwC9hU4KDgK7PeMZbtrtzdOYr6XJvWMLulD/+/z6ZYBjRor31Tb6LgO1WyhmCeCzS0tJWdWfeszPUqPdCr9inQYF50Y1RFHQOY9urRRU8ptyGoeH5CDfyVbsCaMV3d+Rv+UDI32EBSmouqeHAabHZy1kYYmi7L38oCmedWneg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=ijgtDLJ6; arc=none smtp.client-ip=209.85.128.41 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="ijgtDLJ6" Received: by mail-wm1-f41.google.com with SMTP id 5b1f17b1804b1-47790b080e4so21728935e9.3 for ; Mon, 24 Nov 2025 03:08:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1763982514; x=1764587314; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=6+5l3fHno/+RdcEbAfvBbgPLJtbuD4ohAwU1afUy64o=; b=ijgtDLJ6oHUA1HOO3yZn/MmCXSUYorO2nogBZvBDzkP/o11ZGYY2Sv1l/dYiwPJudc lPCXvHw/n4bho6mdlVfhA52Q2u5FMwN3Db2fIcR860IkEGvn16MUOwTeuVuvzmPWnQYH 3gt4ilOS3ejCHGYkmQESxgLBB97wqtK/M15z83+ZWz14bL3y3C1NBYH+0sJx6QqjwWH0 yTFr17xvak0uLhRDmZn/fvbhorQ54xYp2bCBuKEp6JAkJcT70hD0wsAZhofhtSnl8ZWm 7KAZW1I0kGtjkjUpkgaSmVJSLRIrf+oxX3szz40CM546YsERIQV5EzTAX3Km2GaSkCcQ PBUw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1763982514; x=1764587314; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=6+5l3fHno/+RdcEbAfvBbgPLJtbuD4ohAwU1afUy64o=; b=iY0jI3riffbMwR1g6cafr/g1i612DRbEcQ7BmuPcMhkDFdU0iLlRftjzrUEyu1ynLz HNYQxtDtLuZknuEB7fs+iBvrPDn0dWFwF1+TMvk0V74pdnPZjowmm9y5eJrBrFxtI96y Sd+kpSBGrDSRpxnrvmhVeTx8UIX3qwz/tDWw70909GJmnsMpzproSsyCWwF5IfaqLjgx MfSkrsrRYI3kRluh/VuK0BnBmRn8YUN95mTrZdyuk3dFDWt+nBCkVZ3p2dzFWtmJAR+k 7dU4/+ulteER3CJtCgRj60mBkO+xFJiL70ZkpdycLnS3oZchKFPx8VD/J5KvBYukdTcz hXWQ== X-Forwarded-Encrypted: i=1; AJvYcCXsZa//Rz/6c3m9G5k6BTacA47sCxoFTrCFR6IWz82WEO2vDZ7De5DUmI7Wy87bEduq7VHrVKh3F+n7C1OG01gYSQ==@vger.kernel.org X-Gm-Message-State: AOJu0Yx3hk2ktFdjBlcDYC9jjF+joRvgLEY94nOJKQUmbKwUvGN/DeCC K536PIeB1y1nob8G0G820TIe5CSMR6C45rJwWTdYVU4eBvne015AfyW4jymg+vnopbI= X-Gm-Gg: ASbGncvAYzfe6KdZLTgv98v5+IOJnkUaD7/a+209gIMUlGQdxYwKB4ewm32aFkn2C0c 8GXeYRNmzGoj7gsvo+8qSuByiFob3mpYckxD12m0txht8inOIkRG01rEkdEH4RMXLP1GsRSqxU4 fdyFvinxEJLuV4N6bzq3Z38iSz5VJJAffHn8UJE0bzEaO7mEXlowBa6rpVyLXqIgsHAyC2ExPYH 43zZzQ0xT3Q467Ipll5VRWwMxTo79WAfYGHdk0VeNdfwgDZcVPxQBGsB9dpV+O4eMM7yRgyst07 /SlFZGjS8ZQkLrZvYeGN4UITGI6ZfSCffXme7LPpinKOqO6HqfzPs1T9CP18XWWrlZUTMaUWnRA V6kEy4GP4Ep6wn8YHcq1Emy9EdEP0CnSfzh97FuPk0e0NVRUc0m9mKnyLZQ7ZQ4m/DnDE/7CsYV lbGMzDcu9NOTIcNOrcAKz3LTp7QAzgizPrnm0SOnl0eKp0bZM/PP4FHsVIg1jrypwTWQ== X-Google-Smtp-Source: AGHT+IFTZFirZPCwnUDDiKfKr7H0K4OzotyW7bjOyOjeldVQNp8jBiM4RwHnhw/nv1j7ENdmzDjRpA== X-Received: by 2002:a05:600c:1914:b0:471:114e:5894 with SMTP id 5b1f17b1804b1-477c112587fmr86546865e9.25.1763982513683; Mon, 24 Nov 2025 03:08:33 -0800 (PST) Received: from ?IPV6:2a05:6e02:1041:c10:a756:bb6c:7b35:af9b? ([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-samsung-soc@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