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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by aws-us-west-2-korg-lkml-1.web.codeaurora.org (Postfix) with ESMTP id E15F3C433EF for ; Thu, 14 Jun 2018 19:47:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9F973208C3 for ; Thu, 14 Jun 2018 19:47:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9F973208C3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936135AbeFNTrh (ORCPT ); Thu, 14 Jun 2018 15:47:37 -0400 Received: from mail-pg0-f68.google.com ([74.125.83.68]:44915 "EHLO mail-pg0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S936115AbeFNTrc (ORCPT ); Thu, 14 Jun 2018 15:47:32 -0400 Received: by mail-pg0-f68.google.com with SMTP id p21-v6so3370982pgd.11 for ; Thu, 14 Jun 2018 12:47:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=93LuuHsiXv3xJdqc6HhDcgdFIGGpIx8xIdJfw9X8aOQ=; b=SyUfH0gBy4z5aV6kLrATYVHlrPTr16xAbVwD4DcF/TtRNprXHrHWtdntbjjr+JuRGp ztFZ82Qcddwlv5+kDUZmVvx2PIIaqt8mI+iiPTrhWPpmJfHmo18JJ7GsQGpV9qaWZU7n jEIERagag427WL5V3oBpXTD9TECLRTDvMMnRizcsZogAnAqAOZu7vvOApmczEWDvRX7w NBiDq8vZ35OK6nxCKEVcSpTioRnpnMeDqDQDH0BXPAbI8macTFw6P7uWhYHSmPqegWeq 51WWYbcmViMBHCR885N86jRB34lZDEPaAGjB9A0FrSLoycutYRZQ+bjhDwpnzt+iEOh1 GmrA== X-Gm-Message-State: APt69E1aniySHPlyS7+HOHoTgRhLFohDU8FRRTVIYTk0oh5QTa4IHstI Gq1XQhQw5s7OXIs8FukDnoaXoQ== X-Google-Smtp-Source: ADUXVKL4xU6ZqA9ZNvY21bkltUKF5zlSce6LYPDPid+TLTB6JtjX4AjRo8V3Nja1nvuc9JudqXjDBg== X-Received: by 2002:a62:5d83:: with SMTP id n3-v6mr10936041pfj.68.1529005651834; Thu, 14 Jun 2018 12:47:31 -0700 (PDT) Received: from mka.mtv.corp.google.com ([2620:0:1000:1501:8e2d:4727:1211:622]) by smtp.gmail.com with ESMTPSA id s28-v6sm9955506pfg.89.2018.06.14.12.47.30 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 14 Jun 2018 12:47:30 -0700 (PDT) From: Matthias Kaehlcke To: MyungJoo Ham Cc: Kyungmin Park , Chanwoo Choi , Arnd Bergmann , Greg Kroah-Hartman , Rob Herring , Mark Rutland , linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Brian Norris , Douglas Anderson , Enric Balletbo i Serra , "Rafael J . Wysocki" , Viresh Kumar , Lee Jones , Matthias Kaehlcke Subject: [PATCH v3 07/12] PM / devfreq: export devfreq_class Date: Thu, 14 Jun 2018 12:47:07 -0700 Message-Id: <20180614194712.102134-8-mka@chromium.org> X-Mailer: git-send-email 2.18.0.rc1.242.g61856ae69a-goog In-Reply-To: <20180614194712.102134-1-mka@chromium.org> References: <20180614194712.102134-1-mka@chromium.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Exporting the device class allows other parts of the kernel to enumerate the devfreq devices and receive notification when a devfreq device is added or removed. Signed-off-by: Matthias Kaehlcke --- Changes in v3: - none Changes in v2: - patch added to series drivers/devfreq/devfreq.c | 3 ++- include/linux/devfreq.h | 2 ++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index 4cbaa7ad1972..38b90b64fc6e 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -31,7 +31,8 @@ #define MAX(a,b) ((a > b) ? a : b) #define MIN(a,b) ((a < b) ? a : b) -static struct class *devfreq_class; +struct class *devfreq_class; +EXPORT_SYMBOL_GPL(devfreq_class); /* * devfreq core provides delayed work based load monitoring helper diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h index c4f84a769cb5..964e064a951f 100644 --- a/include/linux/devfreq.h +++ b/include/linux/devfreq.h @@ -206,6 +206,8 @@ struct devfreq_freqs { }; #if defined(CONFIG_PM_DEVFREQ) +extern struct class *devfreq_class; + extern struct devfreq *devfreq_add_device(struct device *dev, struct devfreq_dev_profile *profile, const char *governor_name, -- 2.18.0.rc1.242.g61856ae69a-goog