From patchwork Wed Oct 25 19:22:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lukasz Luba X-Patchwork-Id: 738598 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 F054AC25B6E for ; Wed, 25 Oct 2023 19:21:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229894AbjJYTVr (ORCPT ); Wed, 25 Oct 2023 15:21:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38958 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229735AbjJYTVq (ORCPT ); Wed, 25 Oct 2023 15:21:46 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 00231137; Wed, 25 Oct 2023 12:21:43 -0700 (PDT) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 70B181474; Wed, 25 Oct 2023 12:22:25 -0700 (PDT) Received: from e129166.arm.com (unknown [10.57.81.88]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 9A9EB3F738; Wed, 25 Oct 2023 12:21:42 -0700 (PDT) From: Lukasz Luba To: linux-kernel@vger.kernel.org, daniel.lezcano@linaro.org, rafael@kernel.org Cc: linux-pm@vger.kernel.org, rui.zhang@intel.com, lukasz.luba@arm.com Subject: [PATCH 2/7] thermal: gov_power_allocator: Setup trip points earlier Date: Wed, 25 Oct 2023 20:22:20 +0100 Message-Id: <20231025192225.468228-3-lukasz.luba@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231025192225.468228-1-lukasz.luba@arm.com> References: <20231025192225.468228-1-lukasz.luba@arm.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Setup the trip points at the beginning of the binding function. This simplifies the code a bit and allows further cleaning. Add also the check if the last passive trip point is found and fail binding if not. Signed-off-by: Lukasz Luba --- drivers/thermal/gov_power_allocator.c | 27 +++++++++++++++++---------- 1 file changed, 17 insertions(+), 10 deletions(-) diff --git a/drivers/thermal/gov_power_allocator.c b/drivers/thermal/gov_power_allocator.c index 97a8a6e4e1b0b..0dfc5b5ab5235 100644 --- a/drivers/thermal/gov_power_allocator.c +++ b/drivers/thermal/gov_power_allocator.c @@ -617,14 +617,24 @@ static int power_allocator_bind(struct thermal_zone_device *tz) int ret; struct power_allocator_params *params; - ret = check_power_actors(tz); - if (ret) - return ret; - params = kzalloc(sizeof(*params), GFP_KERNEL); if (!params) return -ENOMEM; + get_governor_trips(tz, params); + if (!params->trip_max) { + dev_warn(&tz->device, "power_allocator: missing trip_max\n"); + kfree(params); + return -EINVAL; + } + + ret = check_power_actors(tz); + if (ret) { + dev_warn(&tz->device, "power_allocator: binding failed\n"); + kfree(params); + return ret; + } + if (!tz->tzp) { tz->tzp = kzalloc(sizeof(*tz->tzp), GFP_KERNEL); if (!tz->tzp) { @@ -638,12 +648,9 @@ static int power_allocator_bind(struct thermal_zone_device *tz) if (!tz->tzp->sustainable_power) dev_warn(&tz->device, "power_allocator: sustainable_power will be estimated\n"); - get_governor_trips(tz, params); - - if (params->trip_max) - estimate_pid_constants(tz, tz->tzp->sustainable_power, - params->trip_switch_on, - params->trip_max->temperature); + estimate_pid_constants(tz, tz->tzp->sustainable_power, + params->trip_switch_on, + params->trip_max->temperature); reset_pid_controller(params);