From patchwork Tue Jan 4 21:42:06 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Cercueil X-Patchwork-Id: 12703851 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 BAA68C433F5 for ; Tue, 4 Jan 2022 21:42:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234462AbiADVmW (ORCPT ); Tue, 4 Jan 2022 16:42:22 -0500 Received: from aposti.net ([89.234.176.197]:52028 "EHLO aposti.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233569AbiADVmW (ORCPT ); Tue, 4 Jan 2022 16:42:22 -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 Subject: [PATCH 0/8] DEV_PM_OPS macros rework Date: Tue, 4 Jan 2022 21:42:06 +0000 Message-Id: <20220104214214.198843-1-paul@crapouillou.net> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Hi, This set of commits rework a bit the *_DEV_PM_OPS() macros that were introduced recently. - Remove the DEFINE_UNIVERSAL_DEV_PM_OPS() macro, since I highly doubt anything is going to use it. The macro it replaces (UNIVERSAL_DEV_PM_OPS) seems to only be used incorrectly in code that hasn't been updated in ages. - Remove the static qualifier in DEFINE_SIMPLE_DEV_PM_OPS, so that the macro is more in line with what's done elsewhere in the kernel. - Add a DEFINE_RUNTIME_DEV_PM_OPS() macro, for use with drivers that use runtime PM, and use runtime_pm_force_suspend/runtime_pm_force_resume as their system sleep callbacks. - Add EXPORT_*_DEV_PM_OPS macros, which can be used for when the underlying dev_pm_ops is to be exported. With CONFIG_PM set, the symbol is exported as you would expect. With CONFIG_PM disabled, the dev_pm_ops is garbage-collected along with the suspend/resume callbacks. - Update the two places which used DEFINE_SIMPLE_DEV_PM_OPS, to add back the "static" qualifier that was stripped from the macro. - Update one driver to use EXPORT_RUNTIME_DEV_PM_OPS(), just to showcase how to use this macro in the case where a dev_pm_ops is to be exported. Note that the driver itself is GPL, and the symbol is only used within a GPL driver, so I would assume the symbol would be exported as GPL. But it was not the case in the original code, so I did not change the behaviour. Feedback welcome. Cheers, -Paul Paul Cercueil (8): PM: core: Remove DEFINE_UNIVERSAL_DEV_PM_OPS() macro PM: core: Remove static qualifier in DEFINE_SIMPLE_DEV_PM_OPS macro PM: core: Add EXPORT[_GPL]_SIMPLE_DEV_PM_OPS macros PM: runtime: Add DEFINE_RUNTIME_DEV_PM_OPS() macro PM: runtime: Add EXPORT[_GPL]_RUNTIME_DEV_PM_OPS macros mmc: mxc: Make dev_pm_ops struct static mmc: jz4740: Make dev_pm_ops struct static iio: gyro: mpu3050: Use new PM macros drivers/iio/gyro/mpu3050-core.c | 13 +++----- drivers/iio/gyro/mpu3050-i2c.c | 2 +- drivers/mmc/host/jz4740_mmc.c | 4 +-- drivers/mmc/host/mxcmmc.c | 2 +- include/linux/pm.h | 53 +++++++++++++++++++++++---------- include/linux/pm_runtime.h | 21 +++++++++++++ 6 files changed, 67 insertions(+), 28 deletions(-)