From patchwork Tue Dec 15 18:17:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: thermal-bot for Lad Prabhakar X-Patchwork-Id: 344735 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-20.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AEC20C4361B for ; Tue, 15 Dec 2020 18:18:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 74F1522ADC for ; Tue, 15 Dec 2020 18:18:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730212AbgLOSSn (ORCPT ); Tue, 15 Dec 2020 13:18:43 -0500 Received: from Galois.linutronix.de ([193.142.43.55]:34066 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731267AbgLOSSc (ORCPT ); Tue, 15 Dec 2020 13:18:32 -0500 Date: Tue, 15 Dec 2020 18:17:48 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1608056269; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=kXDy539pXtHksIpw/N+m/mifNPf8EMo6Aecqkl85Ljo=; b=L4zz5VLjxH++fNbjnExUWfk/qyW8wkBZjUJVVdI1qT8SFpjsRcyEm0OxDbP+/b2ax2K+Gn U+9DlvtTnBUL+hl946Dz93Zh/hraapy9h/d7QvEJDJxBsGWX50mrchNd7qBk7YyMUwAjR3 Oa7OqTmy2HJbKzGOffGs9YD4P/B7diwGj7CYOobPd+UW/yCJJx0i5nZ7VZzEPQsAmUw+8x SZ+uXUeDoX3I2UgRBaSZDgQdp/89KEsWIG6vvHEXQb79LVlIvEtDD1iA3jnF0ncbEZkvD7 xIG0+tuXa9iwJ27bLgH15th42Ak+xhn4hV7EX1lIODU7zNzzr39k84+VQEIwgQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1608056269; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=kXDy539pXtHksIpw/N+m/mifNPf8EMo6Aecqkl85Ljo=; b=Yk+G7SBiW5XoRt9GiLuWWuZAegYQOJfiZHw+Isb4mVLwfAOQswNYQL8ktpMuLuKysIGxRM AabTOXiJRJ0puvDw== From: "thermal-bot for Lukasz Luba" Sender: tip-bot2@linutronix.de Reply-to: linux-pm@vger.kernel.org To: linux-pm@vger.kernel.org Subject: [thermal: thermal/next] thermal/drivers/devfreq_cooling: Fix the build when !ENERGY_MODEL Cc: Stephen Rothwell , Lukasz Luba , Daniel Lezcano , rui.zhang@intel.com, amitk@kernel.org In-Reply-To: <20201215154221.8828-1-lukasz.luba@arm.com> References: <20201215154221.8828-1-lukasz.luba@arm.com> MIME-Version: 1.0 Message-ID: <160805626872.3364.15974921110804156050.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org The following commit has been merged into the thermal/next branch of thermal: Commit-ID: 4401117bf7fc11dc738c0963fa0c94814abc8dcd Gitweb: https://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux.git//4401117bf7fc11dc738c0963fa0c94814abc8dcd Author: Lukasz Luba AuthorDate: Tue, 15 Dec 2020 15:42:21 Committer: Daniel Lezcano CommitterDate: Tue, 15 Dec 2020 17:03:56 +01:00 thermal/drivers/devfreq_cooling: Fix the build when !ENERGY_MODEL Prevent build failure if the option CONFIG_ENERGY_MODEL is not set. The devfreq cooling is able to operate without the Energy Model. Don't use dev->em_pd directly and use local pointer. Fixes: 615510fe13bd2 ("thermal: devfreq_cooling: remove old power model and use EM") Reported-by: Stephen Rothwell Signed-off-by: Lukasz Luba Signed-off-by: Daniel Lezcano Link: https://lore.kernel.org/r/20201215154221.8828-1-lukasz.luba@arm.com --- drivers/thermal/devfreq_cooling.c | 25 ++++++++++++------------- 1 file changed, 12 insertions(+), 13 deletions(-) diff --git a/drivers/thermal/devfreq_cooling.c b/drivers/thermal/devfreq_cooling.c index df1049a..fed3121 100644 --- a/drivers/thermal/devfreq_cooling.c +++ b/drivers/thermal/devfreq_cooling.c @@ -48,6 +48,7 @@ static DEFINE_IDA(devfreq_ida); * @capped_state: index to cooling state with in dynamic power budget * @req_max_freq: PM QoS request for limiting the maximum frequency * of the devfreq device. + * @em_pd: Energy Model for the associated Devfreq device */ struct devfreq_cooling_device { int id; @@ -60,6 +61,7 @@ struct devfreq_cooling_device { u32 res_util; int capped_state; struct dev_pm_qos_request req_max_freq; + struct em_perf_domain *em_pd; }; static int devfreq_cooling_get_max_state(struct thermal_cooling_device *cdev, @@ -99,9 +101,9 @@ static int devfreq_cooling_set_cur_state(struct thermal_cooling_device *cdev, if (state > dfc->max_state) return -EINVAL; - if (dev->em_pd) { + if (dfc->em_pd) { perf_idx = dfc->max_state - state; - freq = dev->em_pd->table[perf_idx].frequency * 1000; + freq = dfc->em_pd->table[perf_idx].frequency * 1000; } else { freq = dfc->freq_table[state]; } @@ -181,7 +183,6 @@ static int devfreq_cooling_get_requested_power(struct thermal_cooling_device *cd { struct devfreq_cooling_device *dfc = cdev->devdata; struct devfreq *df = dfc->devfreq; - struct device *dev = df->dev.parent; struct devfreq_dev_status status; unsigned long state; unsigned long freq; @@ -204,7 +205,7 @@ static int devfreq_cooling_get_requested_power(struct thermal_cooling_device *cd res = dfc->power_ops->get_real_power(df, power, freq, voltage); if (!res) { state = dfc->capped_state; - dfc->res_util = dev->em_pd->table[state].power; + dfc->res_util = dfc->em_pd->table[state].power; dfc->res_util *= SCALE_ERROR_MITIGATION; if (*power > 1) @@ -214,7 +215,7 @@ static int devfreq_cooling_get_requested_power(struct thermal_cooling_device *cd } } else { /* Energy Model frequencies are in kHz */ - perf_idx = get_perf_idx(dev->em_pd, freq / 1000); + perf_idx = get_perf_idx(dfc->em_pd, freq / 1000); if (perf_idx < 0) { res = -EAGAIN; goto fail; @@ -223,7 +224,7 @@ static int devfreq_cooling_get_requested_power(struct thermal_cooling_device *cd _normalize_load(&status); /* Scale power for utilization */ - *power = dev->em_pd->table[perf_idx].power; + *power = dfc->em_pd->table[perf_idx].power; *power *= status.busy_time; *power >>= 10; } @@ -241,15 +242,13 @@ static int devfreq_cooling_state2power(struct thermal_cooling_device *cdev, unsigned long state, u32 *power) { struct devfreq_cooling_device *dfc = cdev->devdata; - struct devfreq *df = dfc->devfreq; - struct device *dev = df->dev.parent; int perf_idx; if (state > dfc->max_state) return -EINVAL; perf_idx = dfc->max_state - state; - *power = dev->em_pd->table[perf_idx].power; + *power = dfc->em_pd->table[perf_idx].power; return 0; } @@ -259,7 +258,6 @@ static int devfreq_cooling_power2state(struct thermal_cooling_device *cdev, { struct devfreq_cooling_device *dfc = cdev->devdata; struct devfreq *df = dfc->devfreq; - struct device *dev = df->dev.parent; struct devfreq_dev_status status; unsigned long freq; s32 est_power; @@ -287,7 +285,7 @@ static int devfreq_cooling_power2state(struct thermal_cooling_device *cdev, * budget. The EM power table is sorted ascending. */ for (i = dfc->max_state; i > 0; i--) - if (est_power >= dev->em_pd->table[i].power) + if (est_power >= dfc->em_pd->table[i].power) break; *state = dfc->max_state - i; @@ -374,7 +372,8 @@ of_devfreq_cooling_register_power(struct device_node *np, struct devfreq *df, dfc->devfreq = df; - if (dev->em_pd) { + dfc->em_pd = em_pd_get(dev); + if (dfc->em_pd) { devfreq_cooling_ops.get_requested_power = devfreq_cooling_get_requested_power; devfreq_cooling_ops.state2power = devfreq_cooling_state2power; @@ -382,7 +381,7 @@ of_devfreq_cooling_register_power(struct device_node *np, struct devfreq *df, dfc->power_ops = dfc_power; - num_opps = em_pd_nr_perf_states(dev->em_pd); + num_opps = em_pd_nr_perf_states(dfc->em_pd); } else { /* Backward compatibility for drivers which do not use IPA */ dev_dbg(dev, "missing EM for cooling device\n");