From patchwork Mon Apr 20 18:17:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrzej Pietrasiewicz X-Patchwork-Id: 11499575 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3E55692C for ; Mon, 20 Apr 2020 18:18:46 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1CB41206B8 for ; Mon, 20 Apr 2020 18:18:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="aGG08thb" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1CB41206B8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=FtxwPvjPvxooK7mxqXpfaY+HASg3omL64nHNt7AThYk=; b=aGG08thbR8UuBj2xBXqZl4MG08 ZlYNZM+xdkEDz9HD2e2jJEwmqSuVAKgso7RWsXGA+yqlze4p0Mm3OHQ/C1b24SOKfIMOwxELWei30 kmKhBopyHxg19VqHlM9K10hNnSklGnOLeLPi9R+xz7JPkH6tDK4RBvh0u5wKntBJAb+E7WtjBaj3s 79iyJXuqK3yo6Duu2dQ6LQPufSDjyxhvZ3RYaHjUdWFNSqMRkAhDkYppCEI0OZ3JAZdCFGY6yLeIg Sz/ELeo/6uEMlZR1cWGIYKxcRyfdoKyJRIBo7vBqGGYHuK/ZGh+D+xwmIq+4x2P9B9Y+CFO3s9HyA 1iZMeusA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jQb0H-00024x-JD; Mon, 20 Apr 2020 18:18:45 +0000 Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jQazX-0001XZ-1E for linux-arm-kernel@lists.infradead.org; Mon, 20 Apr 2020 18:18:00 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: andrzej.p) with ESMTPSA id 65E012A0FFA From: Andrzej Pietrasiewicz To: linux-pm@vger.kernel.org Subject: [PATCH 2/2] thermal: core: Stop polling DISABLED thermal devices Date: Mon, 20 Apr 2020 20:17:41 +0200 Message-Id: <20200420181741.13167-3-andrzej.p@collabora.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200420181741.13167-1-andrzej.p@collabora.com> References: <20200420181741.13167-1-andrzej.p@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200420_111759_221578_D934D8E7 X-CRM114-Status: GOOD ( 10.75 ) X-Spam-Score: -0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Heiko Stuebner , "Rafael J . Wysocki" , platform-driver-x86@vger.kernel.org, kernel@collabora.com, Fabio Estevam , Amit Kucheria , Chunyan Zhang , Daniel Lezcano , linux-acpi@vger.kernel.org, NXP Linux Team , Orson Zhai , Zhang Rui , Len Brown , Barlomiej Zolnierkiewicz , Sascha Hauer , Ido Schimmel , Jiri Pirko , Darren Hart , linux-arm-kernel@lists.infradead.org, Support Opensource , netdev@vger.kernel.org, Peter Kaestle , Andrzej Pietrasiewicz , Pengutronix Kernel Team , Baolin Wang , Shawn Guo , "David S . Miller" , Andy Shevchenko MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Polling DISABLED devices is not desired, as all such "disabled" devices are meant to be handled by userspace. This patch introduces and uses should_stop_polling() to decide whether the device should be polled or not. Signed-off-by: Andrzej Pietrasiewicz --- drivers/thermal/thermal_core.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index a012d77dd602..c2dd9c561cf5 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -305,13 +305,22 @@ static void thermal_zone_device_set_polling(struct thermal_zone_device *tz, cancel_delayed_work(&tz->poll_queue); } +static inline bool should_stop_polling(struct thermal_zone_device *tz) +{ + return thermal_zone_device_get_mode(tz) == THERMAL_DEVICE_DISABLED; +} + static void monitor_thermal_zone(struct thermal_zone_device *tz) { + bool stop; + + stop = should_stop_polling(tz); + mutex_lock(&tz->lock); - if (tz->passive) + if (!stop && tz->passive) thermal_zone_device_set_polling(tz, tz->passive_delay); - else if (tz->polling_delay) + else if (!stop && tz->polling_delay) thermal_zone_device_set_polling(tz, tz->polling_delay); else thermal_zone_device_set_polling(tz, 0); @@ -506,6 +515,9 @@ void thermal_zone_device_update(struct thermal_zone_device *tz, { int count; + if (should_stop_polling(tz)) + return; + if (atomic_read(&in_suspend)) return;