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 A8ED5C35640 for ; Fri, 21 Feb 2020 08:45:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 72EAE206EF for ; Fri, 21 Feb 2020 08:45:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="HnA22rj1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729617AbgBUHuw (ORCPT ); Fri, 21 Feb 2020 02:50:52 -0500 Received: from mail-pf1-f201.google.com ([209.85.210.201]:43938 "EHLO mail-pf1-f201.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729605AbgBUHur (ORCPT ); Fri, 21 Feb 2020 02:50:47 -0500 Received: by mail-pf1-f201.google.com with SMTP id x199so786302pfc.10 for ; Thu, 20 Feb 2020 23:50:47 -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=HnA22rj1dxnIqlA9T0G3M9hI7Ol0tPKBHB3zgMhpLpfKsZh8/7rGFL+VpJhCzde6Nu KcE1Q8zAzVUc/5Pm34mVfvY0+9krjUAjkpmGtkonB048819Z48M+YWQacJJ340JKu+ue x7jFulnQWyRBstsM4STMH8HFqMQwRJgZGycic6yiIPk4zOOgqYt0OF7JY3fIDkeE9ay/ vBGfyigOc4ICKdyI0inEGExZ9v733oWf1prfVUKJKrLGnDN1LlbIQUr/hv2jbk7vkLpX cpO/cJXDixOMfE035fqyXvCsGbWDCU/ZBudmXUOPchl1J32YneGL6Hynb3WxV2w1p7ZF amcg== 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=bDIC5icCd1ipu6RIDQfFSNw1S/+AbTLlvYCALJTTbXeNxfCPVfkqb4MqVB55fEWCCJ AAGFwqdwXf9OjOWAKhP4cYNniBeCLzvIpzEXulbdw2HQyGF1FRKYHpOhZcL+TfXvcnVq K/1Jn8UB16o9qFNqSNDrjFQREo81Ys2Q4Ri54Jtw4Meih/PaapIzRg/PRVacBQO9pncT TjGDxhGGsSGQcOriPpS8cWhUWTfW88OIFaCbiKQwUh0okrusww1D3ituHv9bQkKQ5sEF Ke8jKzXte8baU8bqc1ZpCSBsQeZLSaMBWOEDKSqZI+/STjdzix3BbXSW8vzyt+ha+Tsk Cynw== X-Gm-Message-State: APjAAAWzr7nIR2U51aU/kQHBmF4mpK4FvffK3gsP8D3Q+x4FzA6G4lEY +2zjXy5Q1Hq0taLaiPv5G1BYMbAOflDF7Fo= X-Google-Smtp-Source: APXvYqwt26QxPKqFuPdNRe/xB5a2LF+NSPwWWlHVhdOULpbO8o8NeieDv3STiJzdiNCnYZDbmc/xqiEqVNxQlLQ= X-Received: by 2002:a63:5a11:: with SMTP id o17mr37742004pgb.60.1582271446721; Thu, 20 Feb 2020 23:50:46 -0800 (PST) Date: Thu, 20 Feb 2020 23:50:35 -0800 In-Reply-To: <20200221075036.181885-1-saravanak@google.com> Message-Id: <20200221075036.181885-3-saravanak@google.com> Mime-Version: 1.0 References: <20200221075036.181885-1-saravanak@google.com> X-Mailer: git-send-email 2.25.0.265.gbab2e86ba0-goog Subject: [PATCH v1 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