From mboxrd@z Thu Jan 1 00:00:00 1970 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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 9A48AC388F7 for ; Thu, 22 Oct 2020 15:59:21 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 36C172464E for ; Thu, 22 Oct 2020 15:59:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 36C172464E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=driverdev-devel-bounces@linuxdriverproject.org Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id E687220474; Thu, 22 Oct 2020 15:59:20 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7E60tYKehTJd; Thu, 22 Oct 2020 15:59:17 +0000 (UTC) Received: from ash.osuosl.org (ash.osuosl.org [140.211.166.34]) by silver.osuosl.org (Postfix) with ESMTP id 0DBED204C0; Thu, 22 Oct 2020 15:59:13 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by ash.osuosl.org (Postfix) with ESMTP id 2F3FA1BF239 for ; Thu, 22 Oct 2020 15:59:11 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 284D1858FC for ; Thu, 22 Oct 2020 15:59:11 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id A6nXoJgygrfa for ; Thu, 22 Oct 2020 15:59:10 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by fraxinus.osuosl.org (Postfix) with ESMTPS id 5DBC385495 for ; Thu, 22 Oct 2020 15:59:10 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id DC564ADF5; Thu, 22 Oct 2020 15:59:08 +0000 (UTC) From: Nicolas Saenz Julienne To: u.kleine-koenig@pengutronix.de, linux-kernel@vger.kernel.org, Linus Walleij , Bartosz Golaszewski Subject: [PATCH v2 03/10] gpio: raspberrypi-exp: Release firmware handle on unbind Date: Thu, 22 Oct 2020 17:58:50 +0200 Message-Id: <20201022155858.20867-4-nsaenzjulienne@suse.de> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201022155858.20867-1-nsaenzjulienne@suse.de> References: <20201022155858.20867-1-nsaenzjulienne@suse.de> MIME-Version: 1.0 X-BeenThere: driverdev-devel@linuxdriverproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Driver Project Developer List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devel@driverdev.osuosl.org, linux-pwm@vger.kernel.org, f.fainelli@gmail.com, devicetree@vger.kernel.org, sboyd@kernel.org, gregkh@linuxfoundation.org, Nicolas Saenz Julienne , dmitry.torokhov@gmail.com, linux-gpio@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, wahrenst@gmx.net, p.zabel@pengutronix.de, linux-input@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rpi-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" Upon unbinding the device make sure we release RPi's firmware interface. Signed-off-by: Nicolas Saenz Julienne --- drivers/gpio/gpio-raspberrypi-exp.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-raspberrypi-exp.c b/drivers/gpio/gpio-raspberrypi-exp.c index bb100e0124e6..c008336e1131 100644 --- a/drivers/gpio/gpio-raspberrypi-exp.c +++ b/drivers/gpio/gpio-raspberrypi-exp.c @@ -231,8 +231,19 @@ static int rpi_exp_gpio_probe(struct platform_device *pdev) rpi_gpio->gc.get = rpi_exp_gpio_get; rpi_gpio->gc.set = rpi_exp_gpio_set; rpi_gpio->gc.can_sleep = true; + platform_set_drvdata(pdev, rpi_gpio); - return devm_gpiochip_add_data(dev, &rpi_gpio->gc, rpi_gpio); + return gpiochip_add_data(&rpi_gpio->gc, rpi_gpio); +} + +static int rpi_exp_gpio_remove(struct platform_device *pdev) +{ + struct rpi_exp_gpio *rpi_gpio = platform_get_drvdata(pdev); + + gpiochip_remove(&rpi_gpio->gc); + rpi_firmware_put(rpi_gpio->fw); + + return 0; } static const struct of_device_id rpi_exp_gpio_ids[] = { @@ -247,6 +258,7 @@ static struct platform_driver rpi_exp_gpio_driver = { .of_match_table = of_match_ptr(rpi_exp_gpio_ids), }, .probe = rpi_exp_gpio_probe, + .remove = rpi_exp_gpio_remove, }; module_platform_driver(rpi_exp_gpio_driver); -- 2.28.0 _______________________________________________ devel mailing list devel@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel