From patchwork Thu Oct 22 15:58:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Saenz Julienne X-Patchwork-Id: 293873 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 4FF1FC5DF9D for ; Thu, 22 Oct 2020 15:59:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 09EAC21707 for ; Thu, 22 Oct 2020 15:59:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S369040AbgJVP7w (ORCPT ); Thu, 22 Oct 2020 11:59:52 -0400 Received: from mx2.suse.de ([195.135.220.15]:48562 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S368878AbgJVP7M (ORCPT ); Thu, 22 Oct 2020 11:59:12 -0400 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 41DD3AC23; Thu, 22 Oct 2020 15:59:10 +0000 (UTC) From: Nicolas Saenz Julienne To: u.kleine-koenig@pengutronix.de, linux-kernel@vger.kernel.org, Philipp Zabel Cc: f.fainelli@gmail.com, linux-pwm@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, wahrenst@gmx.net, linux-input@vger.kernel.org, dmitry.torokhov@gmail.com, gregkh@linuxfoundation.org, devel@driverdev.osuosl.org, linux-gpio@vger.kernel.org, linus.walleij@linaro.org, linux-clk@vger.kernel.org, sboyd@kernel.org, linux-rpi-kernel@lists.infradead.org, Nicolas Saenz Julienne Subject: [PATCH v2 04/10] reset: raspberrypi: Release firmware handle on unbind Date: Thu, 22 Oct 2020 17:58:51 +0200 Message-Id: <20201022155858.20867-5-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 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Upon unbinding the device make sure we release RPi's firmware interface. Signed-off-by: Nicolas Saenz Julienne --- drivers/reset/reset-raspberrypi.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/reset/reset-raspberrypi.c b/drivers/reset/reset-raspberrypi.c index 02f59c06f69b..29311192e2c9 100644 --- a/drivers/reset/reset-raspberrypi.c +++ b/drivers/reset/reset-raspberrypi.c @@ -99,7 +99,17 @@ static int rpi_reset_probe(struct platform_device *pdev) priv->rcdev.ops = &rpi_reset_ops; priv->rcdev.of_node = dev->of_node; - return devm_reset_controller_register(dev, &priv->rcdev); + return reset_controller_register(&priv->rcdev); +} + +static int rpi_reset_remove(struct platform_device *pdev) +{ + struct rpi_reset *priv = platform_get_drvdata(pdev); + + reset_controller_unregister(&priv->rcdev); + rpi_firmware_put(priv->fw); + + return 0; } static const struct of_device_id rpi_reset_of_match[] = { @@ -110,6 +120,7 @@ MODULE_DEVICE_TABLE(of, rpi_reset_of_match); static struct platform_driver rpi_reset_driver = { .probe = rpi_reset_probe, + .remove = rpi_reset_remove, .driver = { .name = "raspberrypi-reset", .of_match_table = rpi_reset_of_match,