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[209.132.180.67]) by mx.google.com with ESMTP id x14si9146397edq.49.2019.10.01.11.04.29; Tue, 01 Oct 2019 11:04:30 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b=StMs0bl1; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=NONE dis=NONE) header.from=ti.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731553AbfJASE3 (ORCPT + 27 others); Tue, 1 Oct 2019 14:04:29 -0400 Received: from fllv0016.ext.ti.com ([198.47.19.142]:37686 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727055AbfJASEY (ORCPT ); Tue, 1 Oct 2019 14:04:24 -0400 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id x91I4Koq039874; Tue, 1 Oct 2019 13:04:20 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1569953060; bh=0MAAkXKcdPthxYixT0lj3t8FWR9F4q7jJ98gke/CcJo=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=StMs0bl1+he7hgTa+KETPq8KbTJZT2gH68TxrzgITmj9KTgKHJfnGHpIT9MUqTnAL YWUzO72oiq0cZh43Jq83UC674vxiZyIRRqlM4j/zTQVbBgKsJPRzRr9ut2dZ1kkUC0 saKoVjxuk735m4xFonoUoB2iito5kATs64UTHPGs= Received: from DFLE110.ent.ti.com (dfle110.ent.ti.com [10.64.6.31]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x91I4KeC025102 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 1 Oct 2019 13:04:20 -0500 Received: from DFLE114.ent.ti.com (10.64.6.35) by DFLE110.ent.ti.com (10.64.6.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Tue, 1 Oct 2019 13:04:19 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5 via Frontend Transport; Tue, 1 Oct 2019 13:04:19 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id x91I4J4E061654; Tue, 1 Oct 2019 13:04:19 -0500 From: Dan Murphy To: , CC: , , Dan Murphy Subject: [PATCH 4/5] leds: flash: Add devm_* functions to the flash class Date: Tue, 1 Oct 2019 13:04:38 -0500 Message-ID: <20191001180439.8312-4-dmurphy@ti.com> X-Mailer: git-send-email 2.22.0.214.g8dca754b1e In-Reply-To: <20191001180439.8312-1-dmurphy@ti.com> References: <20191001180439.8312-1-dmurphy@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add the missing device managed API for registration and unregistration for the LED flash class. Signed-off-by: Dan Murphy --- drivers/leds/led-class-flash.c | 50 +++++++++++++++++++++++++++++++++ include/linux/led-class-flash.h | 14 +++++++++ 2 files changed, 64 insertions(+) -- 2.22.0.214.g8dca754b1e diff --git a/drivers/leds/led-class-flash.c b/drivers/leds/led-class-flash.c index 60c3de5c6b9f..c2b4fd02a1bc 100644 --- a/drivers/leds/led-class-flash.c +++ b/drivers/leds/led-class-flash.c @@ -327,6 +327,56 @@ void led_classdev_flash_unregister(struct led_classdev_flash *fled_cdev) } EXPORT_SYMBOL_GPL(led_classdev_flash_unregister); +static void devm_led_classdev_flash_release(struct device *dev, void *res) +{ + led_classdev_flash_unregister(*(struct led_classdev_flash **)res); +} + +int devm_led_classdev_flash_register_ext(struct device *parent, + struct led_classdev_flash *fled_cdev, + struct led_init_data *init_data) +{ + struct led_classdev_flash **dr; + int ret; + + dr = devres_alloc(devm_led_classdev_flash_release, sizeof(*dr), + GFP_KERNEL); + if (!dr) + return -ENOMEM; + + ret = led_classdev_flash_register_ext(parent, fled_cdev, init_data); + if (ret) { + devres_free(dr); + return ret; + } + + *dr = fled_cdev; + devres_add(parent, dr); + + return 0; +} +EXPORT_SYMBOL_GPL(devm_led_classdev_flash_register_ext); + +static int devm_led_classdev_flash_match(struct device *dev, + void *res, void *data) +{ + struct fled_cdev **p = res; + + if (WARN_ON(!p || !*p)) + return 0; + + return *p == data; +} + +void devm_led_classdev_flash_unregister(struct device *dev, + struct led_classdev_flash *fled_cdev) +{ + WARN_ON(devres_release(dev, + devm_led_classdev_flash_release, + devm_led_classdev_flash_match, fled_cdev)); +} +EXPORT_SYMBOL_GPL(devm_led_classdev_flash_unregister); + static void led_clamp_align(struct led_flash_setting *s) { u32 v, offset; diff --git a/include/linux/led-class-flash.h b/include/linux/led-class-flash.h index 1bd83159fa4c..21a3358a1731 100644 --- a/include/linux/led-class-flash.h +++ b/include/linux/led-class-flash.h @@ -113,6 +113,20 @@ static inline int led_classdev_flash_register(struct device *parent, */ void led_classdev_flash_unregister(struct led_classdev_flash *fled_cdev); +int devm_led_classdev_flash_register_ext(struct device *parent, + struct led_classdev_flash *fled_cdev, + struct led_init_data *init_data); + + +static inline int devm_led_classdev_flash_register(struct device *parent, + struct led_classdev_flash *fled_cdev) +{ + return devm_led_classdev_flash_register_ext(parent, fled_cdev, NULL); +} + +void devm_led_classdev_flash_unregister(struct device *parent, + struct led_classdev_flash *fled_cdev); + /** * led_set_flash_strobe - setup flash strobe * @fled_cdev: the flash LED to set strobe on