From patchwork Mon May 31 19:49:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 450538 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, 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 B8E34C47097 for ; Mon, 31 May 2021 19:49:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9476F6127C for ; Mon, 31 May 2021 19:49:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231809AbhEaTvU (ORCPT ); Mon, 31 May 2021 15:51:20 -0400 Received: from mga03.intel.com ([134.134.136.65]:46675 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230288AbhEaTvS (ORCPT ); Mon, 31 May 2021 15:51:18 -0400 IronPort-SDR: YdJHNsOPYgYCxG+x3O49BQJqYrYjTz9f5tNH3DVqNNoyH/Il+JIgqkTDidTFOvgFmJdOu31I0F mnk+2OS55Z2g== X-IronPort-AV: E=McAfee;i="6200,9189,10001"; a="203448751" X-IronPort-AV: E=Sophos;i="5.83,238,1616482800"; d="scan'208";a="203448751" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 May 2021 12:49:32 -0700 IronPort-SDR: vdQPZP1UmIhzvYrCbZnYJclHUXuLl7dqvk1nSpXfzACXPBGcwid9C/R6uKevuYsMSngTKYeFsi uDBNkUv+c6vQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.83,238,1616482800"; d="scan'208";a="616612686" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga005.jf.intel.com with ESMTP; 31 May 2021 12:49:28 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 3324F53E; Mon, 31 May 2021 22:49:51 +0300 (EEST) From: Andy Shevchenko To: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Andy Shevchenko , Flavio Suligoi , Thierry Reding , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pwm@vger.kernel.org, linux-acpi@vger.kernel.org Cc: Jonathan Corbet , Lee Jones , "Rafael J. Wysocki" , Len Brown Subject: [PATCH v2 5/7] pwm: core: Unify fwnode checks in the module Date: Mon, 31 May 2021 22:49:45 +0300 Message-Id: <20210531194947.10770-5-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210531194947.10770-1-andriy.shevchenko@linux.intel.com> References: <20210531194947.10770-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Historically we have two different approaches on how to check type of fwnode. Unify them using the latest and greatest fwnode related APIs. Signed-off-by: Andy Shevchenko --- v2: corrected property name in kernel doc drivers/pwm/core.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index 2223a9b6644b..a27d7c2aa6fe 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -821,7 +821,7 @@ EXPORT_SYMBOL_GPL(of_pwm_get); /** * acpi_pwm_get() - request a PWM via parsing "pwms" property in ACPI - * @fwnode: firmware node to get the "pwm" property from + * @fwnode: firmware node to get the "pwms" property from * * Returns the PWM device parsed from the fwnode and index specified in the * "pwms" property or a negative error-code on failure. @@ -838,7 +838,7 @@ EXPORT_SYMBOL_GPL(of_pwm_get); * Returns: A pointer to the requested PWM device or an ERR_PTR()-encoded * error code on failure. */ -static struct pwm_device *acpi_pwm_get(struct fwnode_handle *fwnode) +static struct pwm_device *acpi_pwm_get(const struct fwnode_handle *fwnode) { struct pwm_device *pwm = ERR_PTR(-ENODEV); struct fwnode_reference_args args; @@ -922,6 +922,7 @@ void pwm_remove_table(struct pwm_lookup *table, size_t num) */ struct pwm_device *pwm_get(struct device *dev, const char *con_id) { + const struct fwnode_handle *fwnode = dev ? dev_fwnode(dev) : NULL; const char *dev_id = dev ? dev_name(dev) : NULL; struct pwm_device *pwm; struct pwm_chip *chip; @@ -932,12 +933,12 @@ struct pwm_device *pwm_get(struct device *dev, const char *con_id) int err; /* look up via DT first */ - if (IS_ENABLED(CONFIG_OF) && dev && dev->of_node) - return of_pwm_get(dev, dev->of_node, con_id); + if (is_of_node(fwnode)) + return of_pwm_get(dev, to_of_node(fwnode), con_id); /* then lookup via ACPI */ - if (dev && is_acpi_node(dev->fwnode)) { - pwm = acpi_pwm_get(dev->fwnode); + if (is_acpi_node(fwnode)) { + pwm = acpi_pwm_get(fwnode); if (!IS_ERR(pwm) || PTR_ERR(pwm) != -ENOENT) return pwm; }