From patchwork Tue Dec 12 13:48:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lukasz Luba X-Patchwork-Id: 753367 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 1A4E1A1; Tue, 12 Dec 2023 05:48:00 -0800 (PST) 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 2ABDD1516; Tue, 12 Dec 2023 05:48:46 -0800 (PST) Received: from e129166.arm.com (unknown [10.57.82.227]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 9670F3F738; Tue, 12 Dec 2023 05:47:58 -0800 (PST) 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 v2 2/8] thermal: gov_power_allocator: Refactor check_power_actors() Date: Tue, 12 Dec 2023 13:48:38 +0000 Message-Id: <20231212134844.1213381-3-lukasz.luba@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231212134844.1213381-1-lukasz.luba@arm.com> References: <20231212134844.1213381-1-lukasz.luba@arm.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Refactor check_power_actors() to make it possible for re-use in the upcoming new callback. No intentional functional impact. Signed-off-by: Lukasz Luba --- drivers/thermal/gov_power_allocator.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/thermal/gov_power_allocator.c b/drivers/thermal/gov_power_allocator.c index 785fff14223d..38e1e89ba10c 100644 --- a/drivers/thermal/gov_power_allocator.c +++ b/drivers/thermal/gov_power_allocator.c @@ -581,8 +581,9 @@ static void allow_maximum_power(struct thermal_zone_device *tz, bool update) * power actor API. The warning should help to investigate the issue, which * could be e.g. lack of Energy Model for a given device. * - * Return: 0 on success, -EINVAL if any cooling device does not implement - * the power actor API. + * Return number of cooling devices or -EINVAL if any cooling device does not + * implement the power actor API. Return value 0 is also valid since cooling + * devices might be attached later. */ static int check_power_actors(struct thermal_zone_device *tz, struct power_allocator_params *params) @@ -597,8 +598,9 @@ static int check_power_actors(struct thermal_zone_device *tz, if (!cdev_is_power_actor(instance->cdev)) { dev_warn(&tz->device, "power_allocator: %s is not a power actor\n", instance->cdev->type); - ret = -EINVAL; + return -EINVAL; } + ret++; } return ret; @@ -631,7 +633,7 @@ static int power_allocator_bind(struct thermal_zone_device *tz) } ret = check_power_actors(tz, params); - if (ret) { + if (ret < 0) { dev_warn(&tz->device, "power_allocator: binding failed\n"); kfree(params); return ret;