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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 964F9C4332F for ; Sun, 8 Sep 2019 12:41:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6DC0321928 for ; Sun, 8 Sep 2019 12:41:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="BvCrbb+U" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729247AbfIHMll (ORCPT ); Sun, 8 Sep 2019 08:41:41 -0400 Received: from mail-pg1-f194.google.com ([209.85.215.194]:38492 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728770AbfIHMlj (ORCPT ); Sun, 8 Sep 2019 08:41:39 -0400 Received: by mail-pg1-f194.google.com with SMTP id d10so6171177pgo.5; Sun, 08 Sep 2019 05:41:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=uCI3lp4ERF6nH+uDgeAT16tjKctzMAW92RbCI6kFOKk=; b=BvCrbb+UOm276T7buZFTKAXwz0Wecr6aMgBPM81mdo0rC4KOoEK3Cj7Xe+v2RkXwpf THF/jujjHeoZTEkXd4al/Yvbsn19/FbkNJO/LE+zTEmR7BKnTgTSqotQzVvGLRB9sco5 ABV1s3PlaTXKFhwlCJSoRPmt8/blgAYyh5mFe8eULE7D8k9KcGJmXtxGEoUa+GLji3gq 6lEENlZTJ7u2cHwFH24ZAcQRH9HeRE3uq7vdFB5vSfXfYk2PqzvVihVXWk0bkfoheEVY vOIRDIoKKUfzBdN0LKJcqdpfUJ8YLSo1mL0aGlXXw/gJbloDRYOZb6zOBQKS1s0oqnvo pW4Q== 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=uCI3lp4ERF6nH+uDgeAT16tjKctzMAW92RbCI6kFOKk=; b=CN0/YWMRJ4yOR2vTatPWHEFa5iOEPg2FkVgsP0RhGZ8nAYZR+WAI/oYfGnrFLcbBuY dbqRoblpf5qGLEppL3Obpqt60ANgKFWJao1kLxdVO5nJCtsct591o130m+Efh+GtOBeI OqU5ksZdIi29cBEFouPXEVhgKksnFowUp1HlYUDvXJBPp5cJqwMSRsTC7Fw29P4NVkzP IwwQqFqWWKigXAbkkrTQnN7yDFwQHxOcWZe3GhbIb23gNGk4ntBF8dFcmE1809WYV6q8 hOfU2XQOeTgQHhlibXwGGYBK08EkNwlLWQBGr8fQMbD2KeCXrXPrw82y5TpaUhdpVfdK Y/DQ== X-Gm-Message-State: APjAAAWPa1NIHO+++ivNdfE6mH0GYnGTWCJnLaNd3V3AFPXvLUr01eNy jS+zE/k6Rd2dtbgyYGwi3Lhv+wA8 X-Google-Smtp-Source: APXvYqx4jJ8C5V/B1k0m6KPTG7h/WW3x5i/MleUlKXmXIHY06JO2MgxNAd9IUgApHpCHG6RFvpisEw== X-Received: by 2002:a17:90a:9512:: with SMTP id t18mr20146166pjo.129.1567946498229; Sun, 08 Sep 2019 05:41:38 -0700 (PDT) Received: from localhost.localdomain ([240f:34:212d:1:cae:1d92:a912:df67]) by smtp.gmail.com with ESMTPSA id s7sm10879582pjn.8.2019.09.08.05.41.35 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 08 Sep 2019 05:41:37 -0700 (PDT) From: Akinobu Mita To: linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Akinobu Mita , Greg Kroah-Hartman , "Rafael J. Wysocki" , Jacek Anaszewski , Pavel Machek , Dan Murphy Subject: [PATCH 3/5] driver core: class: add function to create /sys/class//foo directory Date: Sun, 8 Sep 2019 21:41:10 +0900 Message-Id: <1567946472-10075-4-git-send-email-akinobu.mita@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1567946472-10075-1-git-send-email-akinobu.mita@gmail.com> References: <1567946472-10075-1-git-send-email-akinobu.mita@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This adds a new function class_kobject_create_and_add() that creates a directory in the /sys/class/. This function is required to create the /sys/class/leds/triggers directory that contains all available LED triggers. Cc: Greg Kroah-Hartman Cc: "Rafael J. Wysocki" Cc: Jacek Anaszewski Cc: Pavel Machek Cc: Dan Murphy Signed-off-by: Akinobu Mita --- drivers/base/class.c | 7 +++++++ include/linux/device.h | 3 +++ 2 files changed, 10 insertions(+) diff --git a/drivers/base/class.c b/drivers/base/class.c index d8a6a58..f4c53e7 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -104,6 +104,13 @@ void class_remove_file_ns(struct class *cls, const struct class_attribute *attr, sysfs_remove_file_ns(&cls->p->subsys.kobj, &attr->attr, ns); } +struct kobject *class_kobject_create_and_add(const char *name, + struct class *cls) +{ + return kobject_create_and_add(name, &cls->p->subsys.kobj); +} +EXPORT_SYMBOL_GPL(class_kobject_create_and_add); + static struct class *class_get(struct class *cls) { if (cls) diff --git a/include/linux/device.h b/include/linux/device.h index 6717ade..335e901 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -505,6 +505,9 @@ static inline void class_remove_file(struct class *class, return class_remove_file_ns(class, attr, NULL); } +struct kobject * __must_check class_kobject_create_and_add(const char *name, + struct class *cls); + /* Simple class attribute that is just a static string */ struct class_attribute_string { struct class_attribute attr; -- 2.7.4