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=-17.4 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT, USER_IN_DEF_DKIM_WL 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 74809C35642 for ; Fri, 21 Feb 2020 08:05:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 400EE222C4 for ; Fri, 21 Feb 2020 08:05:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="iFjRi2lX" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731636AbgBUIF1 (ORCPT ); Fri, 21 Feb 2020 03:05:27 -0500 Received: from mail-pg1-f201.google.com ([209.85.215.201]:33256 "EHLO mail-pg1-f201.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731809AbgBUIFX (ORCPT ); Fri, 21 Feb 2020 03:05:23 -0500 Received: by mail-pg1-f201.google.com with SMTP id 37so774115pgq.0 for ; Fri, 21 Feb 2020 00:05:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=TmMGk/2HBR1UCtTSik3KGPjlUzxkj3b3kzWXZC6WT9Q=; b=iFjRi2lXT3xCMYDE9bXhtNTLTPvc/qH/k0oZFPXOxEmT77SupUGzWbQlxjIkYDvepJ J9m8yzaSxeNODkQo4SNsHB7r3mdbZphkPoMS8nwejEWyCm1o2Yi5799rE1NpThTna3G2 OmBhe0RsQMPWgbObAglt1/23z6cPD70Hwh0LuccpHztgX4nyAsbugqpyb6VzLlsm/2r0 O1um1spjp+JKFiTI5jmugktkX6EarXzwznHkso5Se6zh48jpoyM7P5rLyUKLy41HPvnQ 7K/avBOyXpvJoulZfo/ANUTrpc7dfVv/OyVX/611NoYiOVEeSq5GpQBwA7CLcn29E+MC I4+w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=TmMGk/2HBR1UCtTSik3KGPjlUzxkj3b3kzWXZC6WT9Q=; b=uhgfbOhQVJWVChQ3Fp32/OmlwTfuwyhNgpc9E+47DjmtwKdG3Sy1DkB0uUKv45rCXX Os5G1j/qPeJmOmi7DoNHxBKggeWBA7y4Vhyhubc9BJLrgbucvNgbCxCNFtQvGrnOs4Xo PQyYFwTJAHCEOmasIVT5+/tl2LBmhUsPUkQpkT+Uqu2BdRltfnWsxrAdpHpV4glQxI8v bkUe0KQFoomrYQ2hdlxUF10Ukeii+kfxjiYn0+Tl2dW9QKzr1YZZ2s8U5Cfns1JNA9F8 YOI4xfiAin/QGAfRL+rA1c+gKpodu+P3xRNiqGsAsR07yK6SHoYWVwy11YkYd94V6GGT oMUg== X-Gm-Message-State: APjAAAWn/Khw+BlBmCk23Meiyk76BQBq/aM526ZyUBPAKegidTJMxA3N 3mRUGHBXMrsHht4giJKeVPqZtCOOtKhzEHg= X-Google-Smtp-Source: APXvYqwwT8HrJMcRaQcjbMBtfXoB9pFj05Vh7NYFLdWIETzC1+E/D7owCTf4aiQ+/33i/qwrW6L5AmqEXOqk5Rc= X-Received: by 2002:a63:d49:: with SMTP id 9mr36176560pgn.249.1582272322794; Fri, 21 Feb 2020 00:05:22 -0800 (PST) Date: Fri, 21 Feb 2020 00:05:09 -0800 In-Reply-To: <20200221080510.197337-1-saravanak@google.com> Message-Id: <20200221080510.197337-3-saravanak@google.com> Mime-Version: 1.0 References: <20200221080510.197337-1-saravanak@google.com> X-Mailer: git-send-email 2.25.0.265.gbab2e86ba0-goog Subject: [PATCH v2 2/3] driver core: Add dev_has_sync_state() From: Saravana Kannan To: Greg Kroah-Hartman , "Rafael J. Wysocki" Cc: Saravana Kannan , kernel-team@android.com, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add an API to check if a device has sync_state support in its driver or bus. Signed-off-by: Saravana Kannan --- include/linux/device.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/include/linux/device.h b/include/linux/device.h index 0cd7c647c16c..fa04dfd22bbc 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -798,6 +798,17 @@ static inline struct device_node *dev_of_node(struct device *dev) return dev->of_node; } +static inline bool dev_has_sync_state(struct device *dev) +{ + if (!dev) + return false; + if (dev->driver && dev->driver->sync_state) + return true; + if (dev->bus && dev->bus->sync_state) + return true; + return false; +} + /* * High level routines for use by the bus drivers */ -- 2.25.0.265.gbab2e86ba0-goog