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Mon, 26 Oct 2026 13:48:10 -0700 (PDT) Received: from server.roeck-us.net ([2600:1700:e321:62f0:da43:aeff:fecc:bfd5]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-369e8ec50bcsm51555058eec.23.2026.10.26.13.48.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Oct 2026 13:48:10 -0700 (PDT) Sender: Guenter Roeck Date: Mon, 26 Oct 2026 13:48:09 -0700 From: Guenter Roeck To: Vas Zayarskiy Cc: Aleksa Savic , Jack Doan , linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Jonathan Corbet , Shuah Khan , Randy Dunlap Subject: Re: [PATCH v5 2/5] hwmon: (aquacomputer_d5next) Expire the initial sensor cache Message-ID: References: <20260927191316.4137752-1-contact@vasily.cc> <20260927191316.4137752-3-contact@vasily.cc> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260927191316.4137752-3-contact@vasily.cc> On Sun, Sep 27, 2026 at 10:13:13PM +0300, Vas Zayarskiy wrote: > The initial update timestamp makes the cache expire at the current > jiffy. Since aqc_read() uses time_after(), a read in that same jiffy can > expose zero-initialized data or skip the first legacy report request. > > Initialize the timestamp one tick earlier so the cache starts expired > for every supported device. > > Assisted-by: LLM sparse > Signed-off-by: Vas Zayarskiy Applied. Thanks, Guenter