From patchwork Wed Feb 26 10:09:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dilip Kota X-Patchwork-Id: 204202 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=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 066CDC4BA15 for ; Wed, 26 Feb 2020 10:10:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C95BB24673 for ; Wed, 26 Feb 2020 10:10:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727974AbgBZKKK (ORCPT ); Wed, 26 Feb 2020 05:10:10 -0500 Received: from mga12.intel.com ([192.55.52.136]:60134 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726329AbgBZKKJ (ORCPT ); Wed, 26 Feb 2020 05:10:09 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Feb 2020 02:10:09 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,487,1574150400"; d="scan'208";a="438376887" Received: from sgsxdev004.isng.intel.com (HELO localhost) ([10.226.88.13]) by fmsmga006.fm.intel.com with ESMTP; 26 Feb 2020 02:10:06 -0800 From: Dilip Kota To: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Cc: kishon@ti.com, robh@kernel.org, andriy.shevchenko@intel.com, cheol.yong.kim@intel.com, chuanhua.lei@linux.intel.com, qi-ming.wu@intel.com, yixin.zhu@intel.com, Dilip Kota Subject: [PATCH v3 1/3] mfd: syscon: Add fwnode_to_regmap Date: Wed, 26 Feb 2020 18:09:51 +0800 Message-Id: <9953bb25281397553cb87b09d641c968d8432dd9.1582709320.git.eswara.kota@linux.intel.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: References: In-Reply-To: References: Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Traverse regmap handle entry from firmware node handle. Signed-off-by: Dilip Kota --- drivers/mfd/syscon.c | 8 ++++++++ include/linux/mfd/syscon.h | 6 ++++++ 2 files changed, 14 insertions(+) diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c index e22197c832e8..08064ffc5394 100644 --- a/drivers/mfd/syscon.c +++ b/drivers/mfd/syscon.c @@ -178,6 +178,14 @@ struct regmap *device_node_to_regmap(struct device_node *np) } EXPORT_SYMBOL_GPL(device_node_to_regmap); +struct regmap *fwnode_to_regmap(struct fwnode_handle *fwnode) +{ + struct device_node *np = to_of_node(fwnode); + + return device_node_get_regmap(np, false); +} +EXPORT_SYMBOL_GPL(fwnode_to_regmap); + struct regmap *syscon_node_to_regmap(struct device_node *np) { if (!of_device_is_compatible(np, "syscon")) diff --git a/include/linux/mfd/syscon.h b/include/linux/mfd/syscon.h index 112dc66262cc..a024dd88bdd4 100644 --- a/include/linux/mfd/syscon.h +++ b/include/linux/mfd/syscon.h @@ -18,6 +18,7 @@ struct device_node; #ifdef CONFIG_MFD_SYSCON extern struct regmap *device_node_to_regmap(struct device_node *np); +extern struct regmap *fwnode_to_regmap(struct fwnode_handle *fwnode); extern struct regmap *syscon_node_to_regmap(struct device_node *np); extern struct regmap *syscon_regmap_lookup_by_compatible(const char *s); extern struct regmap *syscon_regmap_lookup_by_phandle( @@ -29,6 +30,11 @@ static inline struct regmap *device_node_to_regmap(struct device_node *np) return ERR_PTR(-ENOTSUPP); } +static inline struct regmap *fwnode_to_regmap(struct fwnode_handle *fwnode) +{ + return ERR_PTR(-ENOTSUPP); +} + static inline struct regmap *syscon_node_to_regmap(struct device_node *np) { return ERR_PTR(-ENOTSUPP);