From patchwork Wed Apr 8 16:09:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 194304 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=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 341C1C2D0EA for ; Wed, 8 Apr 2020 16:09:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 16BD52087E for ; Wed, 8 Apr 2020 16:09:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730215AbgDHQJd (ORCPT ); Wed, 8 Apr 2020 12:09:33 -0400 Received: from mga14.intel.com ([192.55.52.115]:25663 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730191AbgDHQJb (ORCPT ); Wed, 8 Apr 2020 12:09:31 -0400 IronPort-SDR: 4sr+lDj9e8L9d9pyuf6VCuhKeUwcg61Fkk6CiHOUaGc1fVAeZo7eeQ8khGcKd7brsXhwsZldRg lI9OsqdL6rsQ== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Apr 2020 09:09:31 -0700 IronPort-SDR: TjA+ciCjEebbP61BDavfwtxOOiIohUJ+M1KKjf1Vg1wm76UFFko+STHBvYiJL5I/8s4Lv760+3 SJz20DewCbcw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,359,1580803200"; d="scan'208";a="361882381" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 08 Apr 2020 09:09:26 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 7B61A1FD; Wed, 8 Apr 2020 19:09:25 +0300 (EEST) From: Andy Shevchenko To: Greg Kroah-Hartman , linux-kernel@vger.kernel.org, "Rafael J. Wysocki" , linux-acpi@vger.kernel.org, Heikki Krogerus , Hans de Goede , platform-driver-x86@vger.kernel.org, Darren Hart Cc: Andy Shevchenko Subject: [PATCH v1 2/6] software node: Allow register and unregister software node groups Date: Wed, 8 Apr 2020 19:09:02 +0300 Message-Id: <20200408160905.12101-3-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200408160905.12101-1-andriy.shevchenko@linux.intel.com> References: <20200408160905.12101-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Sometimes it's more convenient to register a set of individual software nodes grouped together. Add couple of functions for that. Signed-off-by: Andy Shevchenko --- drivers/base/swnode.c | 48 ++++++++++++++++++++++++++++++++++++++++ include/linux/property.h | 3 +++ 2 files changed, 51 insertions(+) diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c index de8d3543e8fe..2079937ddb51 100644 --- a/drivers/base/swnode.c +++ b/drivers/base/swnode.c @@ -726,6 +726,54 @@ void software_node_unregister_nodes(const struct software_node *nodes) } EXPORT_SYMBOL_GPL(software_node_unregister_nodes); +/** + * software_node_register_node_group - Register a group of software nodes + * @node_group: NULL terminated array of software node pointers to be registered + * + * Register multiple software nodes at once. + */ +int software_node_register_node_group(const struct software_node **node_group) +{ + unsigned int i; + int ret; + + if (!node_group) + return 0; + + for (i = 0; node_group[i]; i++) { + ret = software_node_register(node_group[i]); + if (ret) { + software_node_unregister_node_group(node_group); + return ret; + } + } + + return 0; +} +EXPORT_SYMBOL_GPL(software_node_register_node_group); + +/** + * software_node_unregister_node_group - Unregister a group of software nodes + * @node_group: NULL terminated array of software node pointers to be unregistered + * + * Unregister multiple software nodes at once. + */ +void software_node_unregister_node_group(const struct software_node **node_group) +{ + struct swnode *swnode; + unsigned int i; + + if (!node_group) + return; + + for (i = 0; node_group[i]; i++) { + swnode = software_node_to_swnode(node_group[i]); + if (swnode) + fwnode_remove_software_node(&swnode->fwnode); + } +} +EXPORT_SYMBOL_GPL(software_node_unregister_node_group); + /** * software_node_register - Register static software node * @node: The software node to be registered diff --git a/include/linux/property.h b/include/linux/property.h index d86de017c689..c7b5f3db36aa 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -440,6 +440,9 @@ software_node_find_by_name(const struct software_node *parent, int software_node_register_nodes(const struct software_node *nodes); void software_node_unregister_nodes(const struct software_node *nodes); +int software_node_register_node_group(const struct software_node **node_group); +void software_node_unregister_node_group(const struct software_node **node_group); + int software_node_register(const struct software_node *node); int software_node_notify(struct device *dev, unsigned long action);