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a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1757097328; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=JZsROv5dMPlTRseUFed2DQIQDmI+zmlM+eHGw/139pU=; b=x0QyrUWOzMPakvYxi/Zbh5R5bygqUzCDTJYvPKP8/FqgDkYQCCzFp4EXHsOu9quW+x4/5z wdivkVL2ZkVk1m1mpFlfjkJOfwRqR/Qu3bfmnH6QEEol6An0CT1tskwG5X/h6VLQforpc1 NU92T1MSc2SeEo89qi1UpFDiSERlqoedGE/RJCl1ykcw7WXnWpVgpR0uWUp/fThPlbz+jQ 3wuTN7U3UwyA/Rlv6zmRcHpxpcDxuI/wqYwvjh8VxJhQwAJv0JpSRzSiD2VPbRbAzH6p+z Ly/lSrveoFofuNyYYfIm3qikjSsVGg0I2DOsRK5QXEV68eZM4Or9qrQcK5AUxA== Date: Fri, 5 Sep 2025 20:35:25 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH v2] arm64: dts: renesas: r8a779g3: Add Argon40 fan HAT DTO to Retronix R-Car V4H Sparrow Hawk To: Wolfram Sang , Marek Vasut Cc: linux-arm-kernel@lists.infradead.org, Conor Dooley , Geert Uytterhoeven , Krzysztof Kozlowski , Magnus Damm , Rob Herring , devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org References: <20250905020149.257459-1-marek.vasut+renesas@mailbox.org> Content-Language: en-US From: Marek Vasut In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-MBO-RS-ID: 16010d7b6e6bae5f7f9 X-MBO-RS-META: s9b7313iouson6bdjrfi5inu7cjzpbyt X-Rspamd-Queue-Id: 4cJQ5G0lxkz9sq0 On 9/5/25 2:30 PM, Wolfram Sang wrote: > Hi Marek, Hello Wolfram, >> + * r8a779g3-sparrow-hawk$ grep -H . /sys/class/hwmon/hwmon?/name >> + * /sys/class/hwmon/hwmon0/name:sensor1_thermal >> + * /sys/class/hwmon/hwmon1/name:sensor2_thermal >> + * /sys/class/hwmon/hwmon2/name:sensor3_thermal >> + * /sys/class/hwmon/hwmon3/name:sensor4_thermal >> + * /sys/class/hwmon/hwmon4/name:pwmfan >> + * ^ ^^^^^^ > > For me, the output looks different, though: > > /sys/class/hwmon/hwmon0/name:pwmfan > /sys/class/hwmon/hwmon1/name:sensor1_thermal > /sys/class/hwmon/hwmon2/name:sensor2_thermal > /sys/class/hwmon/hwmon3/name:sensor3_thermal > /sys/class/hwmon/hwmon4/name:sensor4_thermal > /sys/class/hwmon/hwmon5/name:pwmfan > > hwmon0 is the Argon, hwmon5 the (unpopulated) on board connector. > > I hope the naming is stable, but in any case, the docs need to be > reworked a little, I guess? The hwmon devices are allocated first come first served, so the list can look different for you. You need to look up the fan you want to control, of course. Look up by name is simplest, if there are more fans, it might be a bit more involved to find the right one. -- Best regards, Marek Vasut