From nobody Sat Sep 21 06:46:38 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8B717C54E94 for ; Wed, 25 Jan 2023 09:51:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235465AbjAYJvb (ORCPT ); Wed, 25 Jan 2023 04:51:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36444 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235418AbjAYJvJ (ORCPT ); Wed, 25 Jan 2023 04:51:09 -0500 Received: from mail-wr1-x42e.google.com (mail-wr1-x42e.google.com [IPv6:2a00:1450:4864:20::42e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1ECF344A2 for ; Wed, 25 Jan 2023 01:51:08 -0800 (PST) Received: by mail-wr1-x42e.google.com with SMTP id h12so12448096wrv.10 for ; Wed, 25 Jan 2023 01:51:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=nCD+Tet020QcCYVXiaAHhZ6T43mxf9NGXvGcAhM5Bko=; b=evdFUzWQ1Z6fmorAAHX/2rx1JsI1ucqR/2YMkGAAzJFPBQG40c0oaoquu3sfWeDTD9 3bbW4b1CwJW2ZtdWk1rskgF9jbFqKw3nADhOCTcIMfnjYXu6ZIy189AvlcMMHgvDfJzY 9afQYjTJqO9rdAxD9pEToliDpS2q7owdH91h9+JBz1LbNAll9s6Hgdia7e+DWdO+w3y4 Sa0NSD8NOfnnL+oK/62NjEgHOpuCEJCGAlnK5JxTKv14/TerzMWhOLbvVwhYti7mQztX CFEwt9AP2Kw+GhKwzuBAxI734uWRGbh4f9+9kYKnBVb02juwMrhdxeOFZh5DSK7RuYiZ KJlw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=nCD+Tet020QcCYVXiaAHhZ6T43mxf9NGXvGcAhM5Bko=; b=3eHqhQY8SCEurrBvtCJXSLKwEa5FLfoR6qsoi1eKRWA5wKgESbAGJFXi/NWEwEbJW0 Z+51xgJp56w5yiEJVLu2a5T5jjSQmcCDDE0QaNJ1kYygPvfyRc3BP44XArKvLNFWMcNe OaHzATRDaUzpDVBzGksgJT74uAo0ydwRElkFYHlCTK/sg2gV19nf5IOq37/aNNGDT1wl DzxnPh0ndWbVb2CqgXZELCw6G7h3N0hN63wod58gFtkqg4VST1d+FI21WXnnxJfTzFCQ Ye3WJvt75kR+FjW/OAo5bZRS6GE+08I8ahzCzwrxpVuF7Vi8UNMcA4dgPmX8Vx+KEOTF i3cA== X-Gm-Message-State: AFqh2kquvqZOBplLAKUozksehAC6kSjVlQfeXKFn1WrYEu7P/Avn5Avt vdWfvb/ro1H90CukIoXG8nmkhg== X-Google-Smtp-Source: AMrXdXtW4LbC59RXC+dBFm0EBBki8tu4RWZohenwoLSN2vVO4YuGlip37uSG6yoG1MbxuFzynf8qPw== X-Received: by 2002:a05:6000:1e18:b0:2bc:846a:8ead with SMTP id bj24-20020a0560001e1800b002bc846a8eadmr29665011wrb.37.1674640266621; Wed, 25 Jan 2023 01:51:06 -0800 (PST) Received: from [127.0.1.1] (62.213.132.195.rev.sfr.net. [195.132.213.62]) by smtp.googlemail.com with ESMTPSA id j26-20020a5d453a000000b002bdf3809f59sm3955072wra.38.2023.01.25.01.51.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Jan 2023 01:51:06 -0800 (PST) From: Amjad Ouled-Ameur Date: Wed, 25 Jan 2023 10:50:33 +0100 Subject: [PATCH v8 5/5] thermal: mediatek: try again if first temp read is bogus MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20221018-up-i350-thermal-bringup-v8-5-23e8fbb08837@baylibre.com> References: <20221018-up-i350-thermal-bringup-v8-0-23e8fbb08837@baylibre.com> In-Reply-To: <20221018-up-i350-thermal-bringup-v8-0-23e8fbb08837@baylibre.com> To: "Rafael J. Wysocki" , Daniel Lezcano , Amit Kucheria , Zhang Rui , Rob Herring , Krzysztof Kozlowski Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Fabien Parent , Matthias Brugger , AngeloGioacchino Del Regno , Rob Herring , Markus Schneider-Pargmann , Hsin-Yi Wang , Amjad Ouled-Ameur , Michael Kao X-Mailer: b4 0.11.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1674640259; l=905; i=aouledameur@baylibre.com; s=20220920; h=from:subject:message-id; bh=SvQ8R3apCWGsjdAHgfNQVmNogbxTjihw270BNNJBqk0=; b=pkHFI5a45MlA9rGXHv3vKkA9DV+cFpeLSRC2m5W4FWHIP47gcqAI0gZg8YNrfVLt5u+BTkZkthhA AcisRwV0A8EpqInMTUpFXoe4B4+xb7FfJNqyqIZ9hzAgaCL0DM3w X-Developer-Key: i=aouledameur@baylibre.com; a=ed25519; pk=HgYWawSL4qLGPx+RzJ+Cuu+V8Pi/KQnDDm1wjWPMOFE= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In mtk_thermal_bank_temperature, return -EAGAIN instead of 0 on the first read of sensor that often are bogus values. Signed-off-by: Michael Kao Signed-off-by: Hsin-Yi Wang Signed-off-by: Amjad Ouled-Ameur Reviewed-by: AngeloGioacchino Del Regno --- drivers/thermal/mtk_thermal.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c index b8e06f6c7c42..e7be450cd40a 100644 --- a/drivers/thermal/mtk_thermal.c +++ b/drivers/thermal/mtk_thermal.c @@ -736,7 +736,7 @@ static int mtk_thermal_bank_temperature(struct mtk_ther= mal_bank *bank) * not immediately shut down. */ if (temp > 200000) - temp =3D 0; + temp =3D -EAGAIN; =20 if (temp > max) max =3D temp; --=20 2.39.1