From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,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 9E64CC43381 for ; Fri, 1 Mar 2019 05:38:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6675B2083D for ; Fri, 1 Mar 2019 05:38:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729371AbfCAFiM (ORCPT ); Fri, 1 Mar 2019 00:38:12 -0500 Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:42688 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728007AbfCAFiJ (ORCPT ); Fri, 1 Mar 2019 00:38:09 -0500 Received: from Internal Mail-Server by MTLPINE1 (envelope-from parav@mellanox.com) with ESMTPS (AES256-SHA encrypted); 1 Mar 2019 07:38:04 +0200 Received: from sw-mtx-036.mtx.labs.mlnx (sw-mtx-036.mtx.labs.mlnx [10.12.150.149]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id x215brYX016903; Fri, 1 Mar 2019 07:38:01 +0200 From: Parav Pandit To: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, michal.lkml@markovi.net, davem@davemloft.net, gregkh@linuxfoundation.org, jiri@mellanox.com Cc: parav@mellanox.com Subject: [RFC net-next 2/8] subdev: Introduce pm callbacks Date: Thu, 28 Feb 2019 23:37:46 -0600 Message-Id: <1551418672-12822-3-git-send-email-parav@mellanox.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1551418672-12822-1-git-send-email-parav@mellanox.com> References: <1551418672-12822-1-git-send-email-parav@mellanox.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Keep power management callbacks in place to optionally notify drivers who register them. Signed-off-by: Parav Pandit --- drivers/subdev/subdev_main.c | 59 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) diff --git a/drivers/subdev/subdev_main.c b/drivers/subdev/subdev_main.c index 4aabcaa..e213331 100644 --- a/drivers/subdev/subdev_main.c +++ b/drivers/subdev/subdev_main.c @@ -23,10 +23,69 @@ static int subdev_bus_match(struct device *dev, struct device_driver *drv) return 0; } +static int subdev_pm_prepare(struct device *dev) +{ + if (dev->driver->pm && dev->driver->pm->prepare) + return dev->driver->pm->prepare(dev); + return 0; +} + +static void subdev_pm_complete(struct device *dev) +{ + if (dev->driver->pm && dev->driver->pm->complete) + dev->driver->pm->complete(dev); +} + +static int subdev_pm_suspend(struct device *dev) +{ + if (dev->driver->pm && dev->driver->pm->suspend) + return dev->driver->pm->suspend(dev); + return 0; +} + +static int subdev_pm_suspend_late(struct device *dev) +{ + if (dev->driver->pm && dev->driver->pm->suspend_late) + return dev->driver->pm->suspend_late(dev); + return 0; +} + +static int subdev_pm_resume(struct device *dev) +{ + if (dev->driver->pm && dev->driver->pm->resume) + return dev->driver->pm->resume(dev); + return 0; +} + +static int subdev_pm_freeze(struct device *dev) +{ + if (dev->driver->pm && dev->driver->pm->freeze) + return dev->driver->pm->freeze(dev); + return 0; +} + +static int subdev_pm_freeze_late(struct device *dev) +{ + if (dev->driver->pm && dev->driver->pm->freeze_late) + return dev->driver->pm->freeze_late(dev); + return 0; +} + +static const struct dev_pm_ops subdev_dev_pm_ops = { + .prepare = subdev_pm_prepare, + .complete = subdev_pm_complete, + .suspend = subdev_pm_suspend, + .suspend_late = subdev_pm_suspend_late, + .resume = subdev_pm_resume, + .freeze = subdev_pm_freeze, + .freeze_late = subdev_pm_freeze_late, +}; + static struct bus_type subdev_bus_type = { .dev_name = "subdev", .name = "subdev", .match = subdev_bus_match, + .pm = &subdev_dev_pm_ops, }; int __subdev_register_driver(struct subdev_driver *drv, struct module *owner, -- 1.8.3.1