From patchwork Fri Jan 20 11:45:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 645481 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6A008C25B50 for ; Fri, 20 Jan 2023 11:47:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229923AbjATLrC (ORCPT ); Fri, 20 Jan 2023 06:47:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55326 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229852AbjATLq7 (ORCPT ); Fri, 20 Jan 2023 06:46:59 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DD04EA95AA for ; Fri, 20 Jan 2023 03:45:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1674215152; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=sTLhjxEJPJWY28ZRUjS8Iwvs8m+iveoiY2xNSYePPB8=; b=fSzZ9ZjmElCdactBj3NDnAVvk0LgvkC+YWJdDrPyp/d3nm66d2DwxC3OaSkix4cAAzNFCO KqRUDmz9H+tpL35rT1fiHEiHzilbnR7UyidcMLOLFz2g2MIBzWyiHpyVvrIn7/LpRLIfkd omMU2rrJME8DVtzNLYu1zU5jyWOzC2A= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-663-CEFJphzmNX2-2meUaJgl7g-1; Fri, 20 Jan 2023 06:45:48 -0500 X-MC-Unique: CEFJphzmNX2-2meUaJgl7g-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id E5AF4185A794; Fri, 20 Jan 2023 11:45:47 +0000 (UTC) Received: from shalem.redhat.com (unknown [10.39.195.101]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9DCCF140EBF6; Fri, 20 Jan 2023 11:45:44 +0000 (UTC) From: Hans de Goede To: Mark Gross , Andy Shevchenko , Pavel Machek , Lee Jones , Linus Walleij , Daniel Scally , Laurent Pinchart , Mauro Carvalho Chehab , Sakari Ailus Cc: Hans de Goede , platform-driver-x86@vger.kernel.org, linux-leds@vger.kernel.org, linux-gpio@vger.kernel.org, Kate Hsuan , Mark Pearson , Andy Yeh , Hao Yao , linux-media@vger.kernel.org, Andy Shevchenko Subject: [PATCH v5 03/11] leds: led-class: Add __devm_led_get() helper Date: Fri, 20 Jan 2023 12:45:16 +0100 Message-Id: <20230120114524.408368-4-hdegoede@redhat.com> In-Reply-To: <20230120114524.408368-1-hdegoede@redhat.com> References: <20230120114524.408368-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.7 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add a __devm_led_get() helper which registers a passed in led_classdev with devm for unregistration. This is a preparation patch for adding a generic (non devicetree specific) devm_led_get() function. Reviewed-by: Andy Shevchenko Reviewed-by: Linus Walleij Signed-off-by: Hans de Goede --- drivers/leds/led-class.c | 29 +++++++++++++++++------------ 1 file changed, 17 insertions(+), 12 deletions(-) diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index 743d97b082dc..4904d140a560 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c @@ -274,6 +274,22 @@ static void devm_led_release(struct device *dev, void *res) led_put(*p); } +static struct led_classdev *__devm_led_get(struct device *dev, struct led_classdev *led) +{ + struct led_classdev **dr; + + dr = devres_alloc(devm_led_release, sizeof(struct led_classdev *), GFP_KERNEL); + if (!dr) { + led_put(led); + return ERR_PTR(-ENOMEM); + } + + *dr = led; + devres_add(dev, dr); + + return led; +} + /** * devm_of_led_get - Resource-managed request of a LED device * @dev: LED consumer @@ -289,7 +305,6 @@ struct led_classdev *__must_check devm_of_led_get(struct device *dev, int index) { struct led_classdev *led; - struct led_classdev **dr; if (!dev) return ERR_PTR(-EINVAL); @@ -298,17 +313,7 @@ struct led_classdev *__must_check devm_of_led_get(struct device *dev, if (IS_ERR(led)) return led; - dr = devres_alloc(devm_led_release, sizeof(struct led_classdev *), - GFP_KERNEL); - if (!dr) { - led_put(led); - return ERR_PTR(-ENOMEM); - } - - *dr = led; - devres_add(dev, dr); - - return led; + return __devm_led_get(dev, led); } EXPORT_SYMBOL_GPL(devm_of_led_get);