From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755912AbcEaGUh (ORCPT ); Tue, 31 May 2016 02:20:37 -0400 Received: from mail-pa0-f65.google.com ([209.85.220.65]:36694 "EHLO mail-pa0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755864AbcEaGUb (ORCPT ); Tue, 31 May 2016 02:20:31 -0400 From: Eduardo Valentin To: Rui Zhang Cc: Linux PM , LKML , Keerthy , Eduardo Valentin Subject: [PATCHv4 37/48] thermal: core: add a comment describing the main update loop Date: Mon, 30 May 2016 23:18:44 -0700 Message-Id: <1464675535-2433-38-git-send-email-edubezval@gmail.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1464675535-2433-1-git-send-email-edubezval@gmail.com> References: <1464675535-2433-1-git-send-email-edubezval@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Simply marking the main update loop section and adding a comment describing it. Cc: Zhang Rui Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Eduardo Valentin --- drivers/thermal/thermal_core.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 6dbb86f..063fb15 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -286,6 +286,17 @@ static void thermal_unregister_governors(void) thermal_gov_power_allocator_unregister(); } +/* + * Zone update section: main control loop applied to each zone while monitoring + * + * in polling mode. The monitoring is done using a workqueue. + * Same update may be done on a zone by calling thermal_zone_device_update(). + * + * An update means: + * - Non-critical trips will invoke the governor responsible for that zone; + * - Hot trips will produce a notification to userspace; + * - Critical trip point will cause a system shutdown. + */ static void thermal_zone_device_set_polling(struct thermal_zone_device *tz, int delay) { -- 2.1.4