From patchwork Mon Jun 7 12:24:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 455437 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,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 02A0CC47095 for ; Mon, 7 Jun 2021 12:24:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DFC01611C0 for ; Mon, 7 Jun 2021 12:24:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230355AbhFGM0q (ORCPT ); Mon, 7 Jun 2021 08:26:46 -0400 Received: from mga03.intel.com ([134.134.136.65]:5348 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230299AbhFGM0o (ORCPT ); Mon, 7 Jun 2021 08:26:44 -0400 IronPort-SDR: 8AHKoG/vhYz6SByWEGNbcJ8sFr4Os+coKjkSAwmF53YavrYxpOXklf4P29WP7xwvU2Mqmm1CQv A/pGHwNGKUog== X-IronPort-AV: E=McAfee;i="6200,9189,10007"; a="204632406" X-IronPort-AV: E=Sophos;i="5.83,255,1616482800"; d="scan'208";a="204632406" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jun 2021 05:24:45 -0700 IronPort-SDR: nk7mFwZw0urwRzAXPFLsAc5obYE7cvQHM/9Bl13BYBDMsO1FFSioME0B7u6bdA9hGln/5bK748 db0sFLgWySQw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.83,255,1616482800"; d="scan'208";a="418493327" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga002.jf.intel.com with ESMTP; 07 Jun 2021 05:24:42 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id E0B991EA; Mon, 7 Jun 2021 15:25:05 +0300 (EEST) From: Andy Shevchenko To: Thierry Reding , =?utf-8?q?Uwe_Kleine-K?= =?utf-8?b?w7ZuaWc=?= , Andy Shevchenko , Flavio Suligoi , 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 v3 5/6] pwm: core: Remove unused devm_pwm_put() Date: Mon, 7 Jun 2021 15:24:57 +0300 Message-Id: <20210607122458.40073-5-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210607122458.40073-1-andriy.shevchenko@linux.intel.com> References: <20210607122458.40073-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org There are no users and seems no will come of the devm_pwm_put(). Remove the function. While at it, slightly update documentation. Signed-off-by: Andy Shevchenko Reviewed-by: Uwe Kleine-König --- v3: added Rb tag (Uwe) v2: new patch .../driver-api/driver-model/devres.rst | 3 ++- Documentation/driver-api/pwm.rst | 3 ++- drivers/pwm/core.c | 25 ------------------- include/linux/pwm.h | 5 ---- 4 files changed, 4 insertions(+), 32 deletions(-) diff --git a/Documentation/driver-api/driver-model/devres.rst b/Documentation/driver-api/driver-model/devres.rst index e7e209232246..d2948139411e 100644 --- a/Documentation/driver-api/driver-model/devres.rst +++ b/Documentation/driver-api/driver-model/devres.rst @@ -409,7 +409,8 @@ POWER PWM devm_pwm_get() - devm_pwm_put() + devm_of_pwm_get() + devm_fwnode_pwm_get() REGULATOR devm_regulator_bulk_get() diff --git a/Documentation/driver-api/pwm.rst b/Documentation/driver-api/pwm.rst index 750734a7f874..ccb06e485756 100644 --- a/Documentation/driver-api/pwm.rst +++ b/Documentation/driver-api/pwm.rst @@ -40,7 +40,8 @@ after usage with pwm_free(). New users should use the pwm_get() function and pass to it the consumer device or a consumer name. pwm_put() is used to free the PWM device. Managed -variants of these functions, devm_pwm_get() and devm_pwm_put(), also exist. +variants of the getter, devm_pwm_get(), devm_of_pwm_get(), +devm_fwnode_pwm_get(), also exist. After being requested, a PWM has to be configured using:: diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index 05a86060d430..4133abb74798 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -1165,31 +1165,6 @@ struct pwm_device *devm_fwnode_pwm_get(struct device *dev, } EXPORT_SYMBOL_GPL(devm_fwnode_pwm_get); -static int devm_pwm_match(struct device *dev, void *res, void *data) -{ - struct pwm_device **p = res; - - if (WARN_ON(!p || !*p)) - return 0; - - return *p == data; -} - -/** - * devm_pwm_put() - resource managed pwm_put() - * @dev: device for PWM consumer - * @pwm: PWM device - * - * Release a PWM previously allocated using devm_pwm_get(). Calling this - * function is usually not needed because devm-allocated resources are - * automatically released on driver detach. - */ -void devm_pwm_put(struct device *dev, struct pwm_device *pwm) -{ - WARN_ON(devres_release(dev, devm_pwm_release, devm_pwm_match, pwm)); -} -EXPORT_SYMBOL_GPL(devm_pwm_put); - #ifdef CONFIG_DEBUG_FS static void pwm_dbg_show(struct pwm_chip *chip, struct seq_file *s) { diff --git a/include/linux/pwm.h b/include/linux/pwm.h index 5a73251d28e3..91af518d5037 100644 --- a/include/linux/pwm.h +++ b/include/linux/pwm.h @@ -423,7 +423,6 @@ struct pwm_device *devm_of_pwm_get(struct device *dev, struct device_node *np, struct pwm_device *devm_fwnode_pwm_get(struct device *dev, struct fwnode_handle *fwnode, const char *con_id); -void devm_pwm_put(struct device *dev, struct pwm_device *pwm); #else static inline struct pwm_device *pwm_request(int pwm_id, const char *label) { @@ -530,10 +529,6 @@ devm_fwnode_pwm_get(struct device *dev, struct fwnode_handle *fwnode, { return ERR_PTR(-ENODEV); } - -static inline void devm_pwm_put(struct device *dev, struct pwm_device *pwm) -{ -} #endif static inline void pwm_apply_args(struct pwm_device *pwm)