From patchwork Fri Jan 7 18:17:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Cercueil X-Patchwork-Id: 12706909 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 AD987C4332F for ; Fri, 7 Jan 2022 18:18:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348790AbiAGSSK (ORCPT ); Fri, 7 Jan 2022 13:18:10 -0500 Received: from aposti.net ([89.234.176.197]:54290 "EHLO aposti.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348785AbiAGSSI (ORCPT ); Fri, 7 Jan 2022 13:18:08 -0500 From: Paul Cercueil To: "Rafael J . Wysocki" Cc: Ulf Hansson , Jonathan Cameron , Lars-Peter Clausen , Linus Walleij , Arnd Bergmann , Len Brown , Pavel Machek , list@opendingux.net, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, linux-mmc@vger.kernel.org, linux-pm@vger.kernel.org, Paul Cercueil , Jonathan Cameron Subject: [PATCH v3 4/6] PM: runtime: Add DEFINE_RUNTIME_DEV_PM_OPS() macro Date: Fri, 7 Jan 2022 18:17:21 +0000 Message-Id: <20220107181723.54392-5-paul@crapouillou.net> In-Reply-To: <20220107181723.54392-1-paul@crapouillou.net> References: <20220107181723.54392-1-paul@crapouillou.net> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org A lot of drivers create a dev_pm_ops struct with the system sleep suspend/resume callbacks set to pm_runtime_force_suspend() and pm_runtime_force_resume(). These drivers can now use the DEFINE_RUNTIME_DEV_PM_OPS() macro, which will use pm_runtime_force_{suspend,resume}() as the system sleep callbacks, while having the same dead code removal characteristic that is already provided by DEFINE_SIMPLE_DEV_PM_OPS(). Signed-off-by: Paul Cercueil Acked-by: Jonathan Cameron Reviewed-by: Ulf Hansson --- Notes: v2-v3: No change include/linux/pm.h | 3 ++- include/linux/pm_runtime.h | 14 ++++++++++++++ 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/include/linux/pm.h b/include/linux/pm.h index 8279af2c538a..f7d2be686359 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -414,7 +414,8 @@ const struct dev_pm_ops __maybe_unused name = { \ * .resume_early(), to the same routines as .runtime_suspend() and * .runtime_resume(), respectively (and analogously for hibernation). * - * Deprecated. You most likely don't want this macro. + * Deprecated. You most likely don't want this macro. Use + * DEFINE_RUNTIME_DEV_PM_OPS() instead. */ #define UNIVERSAL_DEV_PM_OPS(name, suspend_fn, resume_fn, idle_fn) \ const struct dev_pm_ops __maybe_unused name = { \ diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h index 016de5776b6d..4af454d29281 100644 --- a/include/linux/pm_runtime.h +++ b/include/linux/pm_runtime.h @@ -22,6 +22,20 @@ usage_count */ #define RPM_AUTO 0x08 /* Use autosuspend_delay */ +/* + * Use this for defining a set of PM operations to be used in all situations + * (system suspend, hibernation or runtime PM). + * + * Note that the behaviour differs from the deprecated UNIVERSAL_DEV_PM_OPS() + * macro, which uses the provided callbacks for both runtime PM and system + * sleep, while DEFINE_RUNTIME_DEV_PM_OPS() uses pm_runtime_force_suspend() + * and pm_runtime_force_resume() for its system sleep callbacks. + */ +#define DEFINE_RUNTIME_DEV_PM_OPS(name, suspend_fn, resume_fn, idle_fn) \ + _DEFINE_DEV_PM_OPS(name, pm_runtime_force_suspend, \ + pm_runtime_force_resume, suspend_fn, \ + resume_fn, idle_fn) + #ifdef CONFIG_PM extern struct workqueue_struct *pm_wq;