From patchwork Wed Jun 21 14:40:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abel Vesa X-Patchwork-Id: 13287423 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 5B556EB64D7 for ; Wed, 21 Jun 2023 14:40:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231271AbjFUOka (ORCPT ); Wed, 21 Jun 2023 10:40:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50996 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231178AbjFUOk2 (ORCPT ); Wed, 21 Jun 2023 10:40:28 -0400 Received: from mail-ed1-x52f.google.com (mail-ed1-x52f.google.com [IPv6:2a00:1450:4864:20::52f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 515121739 for ; Wed, 21 Jun 2023 07:40:27 -0700 (PDT) Received: by mail-ed1-x52f.google.com with SMTP id 4fb4d7f45d1cf-51a324beca6so7884581a12.1 for ; Wed, 21 Jun 2023 07:40:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1687358426; x=1689950426; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=2W3Kf4ey7QY4pTA3JpFMV/TNECBh7Gq30HfrcLuf2lU=; b=qvokshYUKY7HCe7qvXfL6wjYYLXu4sLS55Nbn5MMSRaW3ci8oSwdrPhew+rcuX2SGB ttF+BrNowbQuVuwKWys48yk9Pp0Rqcb8/qlhp3OiBdxnhHoN0cNYjwyl2jlRW3nIJnbP XSOR9VS87RpPQWiKFJHP5L0cJX0OAjgyeIkzIPN1YHYbGcaiD/eqsXgwwYd76a/cee65 gOf3sJhWtsKrOBhZTFPntSptaEMNKExo8zFZoqU4t94AQH59SXnYGMOn8JeiYbbh1Tdo xgKZP+jAeulj6cyNtmCOXXXogsSB3bnXaTruagohS/wdx+Sfv8zc0cM4+ifmo9z/x7QA fBOg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687358426; x=1689950426; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=2W3Kf4ey7QY4pTA3JpFMV/TNECBh7Gq30HfrcLuf2lU=; b=Vw/p4JUyBynWlfmk19fnfeTzW7OCnYy9ApDcwWOjcTa4jdob37Af2XqY4U/rKO6tLz mabCiSJriNa0un+1xqz/r+3Le+rPTfruDx3xm3IJqWrT2AlWcCOMvePDCUxqPilWinRI N6yprUCQVTp4azxpFAH9bXjpPuo0xVFNrfCMKkQSB/k1F0RJAsBIT9aIaqJHmLlH/DTJ Lr6eBPBwnSV980UTgyMdtJEsvjNFgQi74irBONSGYChhzGJzlzUDE5uDtY00gBzxIDVI 23s72wwIGsLKysOZn0YsSCJZBIe4NpYmhuKH7NSvV6474sPhxAyfsZBboIsV9vdTEvnl ooPA== X-Gm-Message-State: AC+VfDwX4NAFoUyqFnXtZxuUc53roIYtdi49kDljcI9FFZpDdnnasVDT 0DUpgBg5XtjJBb1KsUCky2wDGw== X-Google-Smtp-Source: ACHHUZ41TS8wh8wraPOcFMSensNy0EVeaB1fuQHXmzdq80qlDOpEP1Dbjcjfb7T640VzWNcl1j9V2A== X-Received: by 2002:a05:6402:642:b0:51a:5ebe:4ab9 with SMTP id u2-20020a056402064200b0051a5ebe4ab9mr5948602edx.14.1687358425839; Wed, 21 Jun 2023 07:40:25 -0700 (PDT) Received: from hackbox.lan ([82.79.124.17]) by smtp.gmail.com with ESMTPSA id l13-20020a056402344d00b0051879c4f598sm2689505edc.66.2023.06.21.07.40.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Jun 2023 07:40:25 -0700 (PDT) From: Abel Vesa To: "Rafael J . Wysocki" , Kevin Hilman , Ulf Hansson , Len Brown , Pavel Machek , Greg Kroah-Hartman , Saravana Kannan Cc: Bjorn Andersson , linux-pm@vger.kernel.org, Linux Kernel Mailing List , linux-arm-msm@vger.kernel.org, Dmitry Baryshkov Subject: [RFC PATCH v5 2/4] driver core: Add dev_is_drv_state_synced() Date: Wed, 21 Jun 2023 17:40:17 +0300 Message-Id: <20230621144019.3219858-3-abel.vesa@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230621144019.3219858-1-abel.vesa@linaro.org> References: <20230621144019.3219858-1-abel.vesa@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org This can be used by drivers to figure out if a different device driver has state synced or not for a specific device. Signed-off-by: Abel Vesa --- include/linux/device.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/include/linux/device.h b/include/linux/device.h index bae11928ef7e..8f042f04b5d9 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -1007,6 +1007,20 @@ static inline int dev_set_drv_sync_state(struct device *dev, return 0; } +static inline bool dev_is_drv_state_synced(struct device *dev) +{ + bool ret = false; + + if (!dev) + return ret; + + device_lock(dev); + ret = dev->state_synced; + device_unlock(dev); + + return ret; +} + static inline void dev_set_removable(struct device *dev, enum device_removable removable) {