From patchwork Wed May 12 14:44:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 438020 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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, 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 8F85CC43616 for ; Wed, 12 May 2021 16:42:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5859F61177 for ; Wed, 12 May 2021 16:42:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242619AbhELQkH (ORCPT ); Wed, 12 May 2021 12:40:07 -0400 Received: from mail.kernel.org ([198.145.29.99]:49430 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238690AbhELQcv (ORCPT ); Wed, 12 May 2021 12:32:51 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id C1E1B61C31; Wed, 12 May 2021 15:58:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1620835125; bh=d1IpXGukdJzawMYsXGhYceQVPe1rJOFaGMpvacD/6yk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qaQY6LTP8JxIPrmyPmx9IGQ0ISXqIDke42jiHqaUqJfUWcuIdM8toxDBtf8WhvorR rEJCcNuk2WaQ5aBehbbkqwnIZQxZ6efsGEK7IeY+GyKp8cyOgfgW9utTNHQbEHxwNF NDnme3t5tuL0O2cUsRNqW17IV/IFtOIXuO50OeFk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Andy Shevchenko , Sasha Levin Subject: [PATCH 5.12 217/677] usb: gadget: pch_udc: Initialize device pointer before use Date: Wed, 12 May 2021 16:44:23 +0200 Message-Id: <20210512144844.443200158@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210512144837.204217980@linuxfoundation.org> References: <20210512144837.204217980@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Andy Shevchenko [ Upstream commit 971d080212be4ce2b91047d25a657f46d3e39635 ] During conversion to use GPIO descriptors the device pointer, which is applied to devm_gpiod_get(), is not yet initialized. Move initialization in the ->probe() in order to have it set before use. Fixes: e20849a8c883 ("usb: gadget: pch_udc: Convert to use GPIO descriptors") Signed-off-by: Andy Shevchenko Link: https://lore.kernel.org/r/20210323153626.54908-6-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/gadget/udc/pch_udc.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c index 29e89ed6aad5..a39122f01cdb 100644 --- a/drivers/usb/gadget/udc/pch_udc.c +++ b/drivers/usb/gadget/udc/pch_udc.c @@ -1369,6 +1369,7 @@ static irqreturn_t pch_vbus_gpio_irq(int irq, void *data) */ static int pch_vbus_gpio_init(struct pch_udc_dev *dev) { + struct device *d = &dev->pdev->dev; int err; int irq_num = 0; struct gpio_desc *gpiod; @@ -1377,7 +1378,7 @@ static int pch_vbus_gpio_init(struct pch_udc_dev *dev) dev->vbus_gpio.intr = 0; /* Retrieve the GPIO line from the USB gadget device */ - gpiod = devm_gpiod_get(dev->gadget.dev.parent, NULL, GPIOD_IN); + gpiod = devm_gpiod_get(d, NULL, GPIOD_IN); if (IS_ERR(gpiod)) return PTR_ERR(gpiod); gpiod_set_consumer_name(gpiod, "pch_vbus"); @@ -3080,6 +3081,7 @@ static int pch_udc_probe(struct pci_dev *pdev, if (retval) return retval; + dev->pdev = pdev; pci_set_drvdata(pdev, dev); /* Determine BAR based on PCI ID */ @@ -3121,7 +3123,6 @@ static int pch_udc_probe(struct pci_dev *pdev, /* device struct setup */ spin_lock_init(&dev->lock); - dev->pdev = pdev; dev->gadget.ops = &pch_udc_ops; retval = init_dma_pools(dev);