From patchwork Tue Jul 27 21:02:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 12403841 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=-18.8 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,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 6104EC4320A for ; Tue, 27 Jul 2021 21:03:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4757F60F6E for ; Tue, 27 Jul 2021 21:03:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231555AbhG0VDy (ORCPT ); Tue, 27 Jul 2021 17:03:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54046 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232614AbhG0VDv (ORCPT ); Tue, 27 Jul 2021 17:03:51 -0400 Received: from mail-lf1-x136.google.com (mail-lf1-x136.google.com [IPv6:2a00:1450:4864:20::136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B1294C06139E for ; Tue, 27 Jul 2021 14:02:56 -0700 (PDT) Received: by mail-lf1-x136.google.com with SMTP id f18so24078033lfu.10 for ; Tue, 27 Jul 2021 14:02:56 -0700 (PDT) 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 :mime-version:content-transfer-encoding; bh=GJaDlSnC/hNhPjnByAZZc7+i+wuzXCs6r81DcH7ZrtQ=; b=CthAyw2AHCfNIL3b/mZSgU3pTXABYO278cJe2QC9FzEgW8OsHLctazCNx/5FFpXu38 +UCIekq1ZvH30aZ5eX6UqwT1ayGryPp/UTmKU6H7aIQgLt7nwDM548jffyxUWU92JKIe zhSlYAaFX+PHO0gWB/C8P368mKDY8Y7/1eX+laeFgCQFsge4wChEck4vwSbXkRabrdZy tOljxyXcUiRqd8o8ylZ7mqtdWAbqqpAQClcq6qF3M7+7LFQFAFC/fvY26DNvjFq/Fby7 48GaIYTbzHZqA+HEWxl0jD03YtCf9+g5JfR6vXTSSfQiDnUxGqO08zSfuUhKvJO38Lk+ 2zLQ== 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:mime-version:content-transfer-encoding; bh=GJaDlSnC/hNhPjnByAZZc7+i+wuzXCs6r81DcH7ZrtQ=; b=IxNmgiLyKsks/mCLykmiGt/yhiDb0r86I53g3qYfSPn8fk8VAENsRijFA9Orzt2Bdi k6fIT4/yngmkMS6uNeXWXG7iWcdHusdJ/Z9aCP3ICbdfWRfVIPLou8Vidyl0Iolcljxz Uxe4Otr99fPJBzzjjkyu4qGGw8SIH6WAsknPycjp0FSZ1GNB+t/vA4mdM2kV3nrEH87I FDHfYgSmoujQHbxTjYuOTDmHSm8D3nfe2MwhqTMlgtgVTC/Oy/3lZ5500I2pUglvUOi0 ya4uugBadSsNy1Ina1kwoXk90A89eanje0l6NOlyTX23IOjCLbFQ4VuZKTsTrfHbqd8k 9yHA== X-Gm-Message-State: AOAM533UpgykMI9snDz01LIw09Tg+ZXyQoSa/3gFmm6EAqMMyxChCMxW PmmGJ0IIUURlOWa7Te5yuzZu3A== X-Google-Smtp-Source: ABdhPJyqGPl7FrTy1/+5NTNiFQVkIzTuIKtJKpELZMp+fm7jOWrsumOWR7j6xwphzT4R579tH8ACMg== X-Received: by 2002:a05:6512:1109:: with SMTP id l9mr18251275lfg.384.1627419775114; Tue, 27 Jul 2021 14:02:55 -0700 (PDT) Received: from eriador.lan ([37.153.55.125]) by smtp.gmail.com with ESMTPSA id m5sm355680ljq.22.2021.07.27.14.02.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Jul 2021 14:02:54 -0700 (PDT) From: Dmitry Baryshkov To: "Rafael J. Wysocki" , Pavel Machek , Greg Kroah-Hartman Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Andy Gross , Bjorn Andersson , linux-arm-msm@vger.kernel.org Subject: [PATCH 1/2] PM: runtime: add devm_pm_runtime_enable helper Date: Wed, 28 Jul 2021 00:02:01 +0300 Message-Id: <20210727210202.717181-2-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210727210202.717181-1-dmitry.baryshkov@linaro.org> References: <20210727210202.717181-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Add helper function handling typical driver action: call pm_runtime_enable at the probe() time and disable it during remove(). Signed-off-by: Dmitry Baryshkov --- drivers/base/power/runtime.c | 17 +++++++++++++++++ include/linux/pm_runtime.h | 4 ++++ 2 files changed, 21 insertions(+) diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index 8a66eaf731e4..ec94049442b9 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -1447,6 +1447,23 @@ void pm_runtime_enable(struct device *dev) } EXPORT_SYMBOL_GPL(pm_runtime_enable); +static void pm_runtime_disable_action(void *data) +{ + pm_runtime_disable(data); +} + +/** + * devm_pm_runtime_enable - devres-enabled version of pm_runtime_enable. + * @dev: Device to handle. + */ +int devm_pm_runtime_enable(struct device *dev) +{ + pm_runtime_enable(dev); + + return devm_add_action_or_reset(dev, pm_runtime_disable_action, dev); +} +EXPORT_SYMBOL_GPL(devm_pm_runtime_enable); + /** * pm_runtime_forbid - Block runtime PM of a device. * @dev: Device to handle. diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h index aab8b35e9f8a..222da43b7096 100644 --- a/include/linux/pm_runtime.h +++ b/include/linux/pm_runtime.h @@ -59,6 +59,8 @@ extern void pm_runtime_put_suppliers(struct device *dev); extern void pm_runtime_new_link(struct device *dev); extern void pm_runtime_drop_link(struct device_link *link); +extern int devm_pm_runtime_enable(struct device *dev); + /** * pm_runtime_get_if_in_use - Conditionally bump up runtime PM usage counter. * @dev: Target device. @@ -253,6 +255,8 @@ static inline void __pm_runtime_disable(struct device *dev, bool c) {} static inline void pm_runtime_allow(struct device *dev) {} static inline void pm_runtime_forbid(struct device *dev) {} +static inline int devm_pm_runtime_enable(struct device *dev) { return 0; } + static inline void pm_suspend_ignore_children(struct device *dev, bool enable) {} static inline void pm_runtime_get_noresume(struct device *dev) {} static inline void pm_runtime_put_noidle(struct device *dev) {}