From patchwork Wed Dec 2 12:06:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Lezcano X-Patchwork-Id: 335983 Delivered-To: patch@linaro.org Received: by 2002:a17:906:4755:0:0:0:0 with SMTP id j21csp865436ejs; Wed, 2 Dec 2020 04:08:10 -0800 (PST) X-Google-Smtp-Source: ABdhPJyOCtY5xihdr+Yrvl3fTE+1nT4Mm4OLF2Xpg/Iuh6qDM07BGxboAKt3iv6Hf8DsYUxlM3m9 X-Received: by 2002:a17:906:7118:: with SMTP id x24mr1952772ejj.333.1606910890851; Wed, 02 Dec 2020 04:08:10 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1606910890; cv=none; d=google.com; s=arc-20160816; b=GxlI9wGAJKiwMp+AX5DNHjn256/NtVe2cOkZhxOc6p8wBbqnhD373bNaGTds+4XiLr NTH0uAjzfLnrndOMkQyDIjyPBOG8NLMoOSTpaJxS73liHg19FDfRDFOSpzLpGei5ptag k3YZdbFtqYRIOmr10BHQGFDFeyMvgBSFwAQzYw8FlEYC0hJrTB6r/j/6CApaJNXLg79T xVjFFFcC60QwnHR0wsClvHiSJge/BhJpgrubKDx9D31SWIqM2E4n9b3yGfbsa29+AB4N viiILDAloQzYICnGr48g4UXpD0FTEe4zyGXTNYVR3/dhu+hg6uf5CsfNqaQ4VdzEDyUd GtoA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:references:in-reply-to:message-id:date:subject :cc:to:from:dkim-signature; bh=UIDq+KW00cXiRWlv/JAzZ8+RBZbAH3GMyxtATb0Dmi4=; b=JGK3vmD/yFQVl8a0HZNoHeHGtZea14dB9fZvAtwZRkMLDxcvHufI3sqsPHA5LoN3HW er7y7HjT79uKK664AECw+wq9QYBtjGuAZ1CYxH/yUu5Eh0SQVmMct/yf1w5Zs/lM1zfd X42vUvwEK37+YYpEbF29qJ029OXm06Nlez42s/9jTBdGoM1meuX/S3A6Gm1w4qLGZEKd QBvzXNyzlJXzGpPvwUs6qDxdkR09m8iubXgQrNiQnloRziBJq7BfDOLK1U+2i0yWB+Hg 8HIXaW24BnTmfQ2rrtaYHK7bknYStvnZfSrHUpDqy1TiTUC6f11R5lDOguiGmjUxnGGx Fr2g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=mXiAtgM0; spf=pass (google.com: domain of linux-pm-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-pm-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id h14si157566ejt.198.2020.12.02.04.08.10; Wed, 02 Dec 2020 04:08:10 -0800 (PST) Received-SPF: pass (google.com: domain of linux-pm-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=mXiAtgM0; spf=pass (google.com: domain of linux-pm-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-pm-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728009AbgLBMIA (ORCPT + 8 others); Wed, 2 Dec 2020 07:08:00 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48898 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729515AbgLBMIA (ORCPT ); Wed, 2 Dec 2020 07:08:00 -0500 Received: from mail-wr1-x444.google.com (mail-wr1-x444.google.com [IPv6:2a00:1450:4864:20::444]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AAC1EC0617A7 for ; Wed, 2 Dec 2020 04:07:19 -0800 (PST) Received: by mail-wr1-x444.google.com with SMTP id s8so3585126wrw.10 for ; Wed, 02 Dec 2020 04:07:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=UIDq+KW00cXiRWlv/JAzZ8+RBZbAH3GMyxtATb0Dmi4=; b=mXiAtgM0W/LxjZMo+BhxY/PMo8HDvF95Z9Ow1zW7TsE2y180u+oF56zehpf2tNgeQQ YXJBf7G0CJDXKeOV7NCHASKya27I0q9iIPF74dgSzhVzV/rgWoVXwwWVHt3ViyS+t4gO eysDa3SvVI9/UJZ8jCFPP4KtSrGD5NyVzxeTHJ00HBJAFKXG4LYEuRZ50tPa2gy0YiAo I3WjXZ1Z5bVTwYUteZxOjqLdhOF2poPenoV2lFHK56cuHeX2EK2TfVHm5LvvRcBQZppK V1G/eZkTpVtq/jWhIsmAKS9cTeWONvVl5IHozGecjNOucBC2z9ZI871WoORJdwueDoFg c4ag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=UIDq+KW00cXiRWlv/JAzZ8+RBZbAH3GMyxtATb0Dmi4=; b=g0+jbsi+7jYf20y+pr/bdTjgRrqiAKO46xbDTMGF0lvW4zKTcXEqmwpGT/vyjzFnxN BXglnJDG9NAbXz2+JB0A+WgRdGKrc+Fc6JYdhJsMzXWb/ib1ANimOY+o3HmvH2AbB36h IlOaigBD7O0rivfQsEsiLzdd6DeUz8GUD3acx6WXI3xRBrAUNHnh6+A9vUCtGBr/0ETB WJ45NQ8H01H/dLAIkhOHhyppeJ7oUvRkIbzXRUITC1cMKzKq5VoJzgZeFTZvjBnWw7Q8 lboU30YdRhEDgNZAT4ZXfw/IRg1wHsnTgBhiKU+3cgkhLgsD3mQo1TRobCuPzH7D36+o vZbA== X-Gm-Message-State: AOAM533u8nH6RegfSgjslUgW2gGTRZ1ijsToq9/svBbdonlG250eWcvd HO44Jsv3UGSgDQAanqLKkW9GtON5SvZSWQ== X-Received: by 2002:adf:dd0e:: with SMTP id a14mr3071026wrm.36.1606910838314; Wed, 02 Dec 2020 04:07:18 -0800 (PST) Received: from localhost.localdomain (lns-bzn-59-82-252-140-184.adsl.proxad.net. [82.252.140.184]) by smtp.gmail.com with ESMTPSA id c1sm1755132wml.8.2020.12.02.04.07.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Dec 2020 04:07:17 -0800 (PST) From: Daniel Lezcano To: daniel.lezcano@linaro.org, rui.zhang@intel.com Cc: amitk@kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org Subject: [PATCH 2/4] thermal/core: Precompute the jiffies Date: Wed, 2 Dec 2020 13:06:55 +0100 Message-Id: <20201202120657.1969-2-daniel.lezcano@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201202120657.1969-1-daniel.lezcano@linaro.org> References: <20201202120657.1969-1-daniel.lezcano@linaro.org> Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org The delays are stored in ms units and when the polling function is called this delay is converted into jiffies at each call. Instead of doing the conversion again and again, compute the jiffies at init time and use the value directly when setting the polling. Signed-off-by: Daniel Lezcano --- drivers/thermal/thermal_core.c | 5 +++-- drivers/thermal/thermal_core.h | 18 ++++++++++++++++++ drivers/thermal/thermal_sysfs.c | 4 ++-- include/linux/thermal.h | 7 +++++++ 4 files changed, 30 insertions(+), 4 deletions(-) -- 2.17.1 diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 53f55ceca220..3111ca2c87a1 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -1340,8 +1340,9 @@ thermal_zone_device_register(const char *type, int trips, int mask, tz->device.class = &thermal_class; tz->devdata = devdata; tz->trips = trips; - tz->passive_delay_ms = passive_delay; - tz->polling_delay_ms = polling_delay; + + thermal_zone_set_passive_delay(tz, passive_delay); + thermal_zone_set_polling_delay(tz, polling_delay); /* sys I/F */ /* Add nodes that are always present via .groups */ diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h index 8df600fa7b79..2c9551ed5ef8 100644 --- a/drivers/thermal/thermal_core.h +++ b/drivers/thermal/thermal_core.h @@ -128,6 +128,24 @@ int thermal_build_list_of_policies(char *buf); /* Helpers */ void thermal_zone_set_trips(struct thermal_zone_device *tz); +static inline void thermal_zone_set_passive_delay( + struct thermal_zone_device *tz, int delay_ms) +{ + tz->passive_delay_ms = delay_ms; + tz->passive_delay_jiffies = msecs_to_jiffies(delay_ms); + if (delay_ms > 1000) + tz->passive_delay_jiffies = round_jiffies(tz->passive_delay_jiffies); +} + +static inline void thermal_zone_set_polling_delay( + struct thermal_zone_device *tz, int delay_ms) +{ + tz->polling_delay_ms = delay_ms; + tz->polling_delay_jiffies = msecs_to_jiffies(delay_ms); + if (delay_ms > 1000) + tz->polling_delay_jiffies = round_jiffies(tz->polling_delay_jiffies); +} + /* sysfs I/F */ int thermal_zone_create_device_groups(struct thermal_zone_device *, int); void thermal_zone_destroy_device_groups(struct thermal_zone_device *); diff --git a/drivers/thermal/thermal_sysfs.c b/drivers/thermal/thermal_sysfs.c index f465462d8aa1..9598b288a0a1 100644 --- a/drivers/thermal/thermal_sysfs.c +++ b/drivers/thermal/thermal_sysfs.c @@ -234,11 +234,11 @@ passive_store(struct device *dev, struct device_attribute *attr, if (state && !tz->forced_passive) { if (!tz->passive_delay_ms) - tz->passive_delay_ms = 1000; + thermal_zone_set_passive_delay(tz, 1000); thermal_zone_device_rebind_exception(tz, "Processor", sizeof("Processor")); } else if (!state && tz->forced_passive) { - tz->passive_delay_ms = 0; + thermal_zone_set_passive_delay(tz, 0); thermal_zone_device_unbind_exception(tz, "Processor", sizeof("Processor")); } diff --git a/include/linux/thermal.h b/include/linux/thermal.h index 230d451bf335..5dd9bdb6c6ad 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -118,9 +118,14 @@ struct thermal_cooling_device { * @trips_disabled; bitmap for disabled trips * @passive_delay_ms: number of milliseconds to wait between polls when * performing passive cooling. + * @passive_delay_jiffies: number of jiffies to wait between polls when + * performing passive cooling. * @polling_delay_ms: number of milliseconds to wait between polls when * checking whether trip points have been crossed (0 for * interrupt driven systems) + * @polling_delay_jiffies: number of jiffies to wait between polls when + * checking whether trip points have been crossed (0 for + * interrupt driven systems) * @temperature: current temperature. This is only for core code, * drivers should use thermal_zone_get_temp() to get the * current temperature @@ -161,6 +166,8 @@ struct thermal_zone_device { unsigned long trips_disabled; /* bitmap for disabled trips */ int passive_delay_ms; int polling_delay_ms; + int passive_delay_jiffies; + int polling_delay_jiffies; int temperature; int last_temperature; int emul_temperature;