From patchwork Tue Jul 6 15:43:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Weinberger X-Patchwork-Id: 12360769 X-Patchwork-Delegate: bhelgaas@google.com 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 A13B3C07E96 for ; Tue, 6 Jul 2021 15:50:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 87C0A61A13 for ; Tue, 6 Jul 2021 15:50:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232146AbhGFPxV (ORCPT ); Tue, 6 Jul 2021 11:53:21 -0400 Received: from lilium.sigma-star.at ([109.75.188.150]:40842 "EHLO lilium.sigma-star.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232123AbhGFPxV (ORCPT ); Tue, 6 Jul 2021 11:53:21 -0400 X-Greylist: delayed 439 seconds by postgrey-1.27 at vger.kernel.org; Tue, 06 Jul 2021 11:53:20 EDT Received: from localhost (localhost [127.0.0.1]) by lilium.sigma-star.at (Postfix) with ESMTP id 150C21817A0E0; Tue, 6 Jul 2021 17:43:22 +0200 (CEST) Received: from lilium.sigma-star.at ([127.0.0.1]) by localhost (lilium.sigma-star.at [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id j54DG_-NXlGP; Tue, 6 Jul 2021 17:43:21 +0200 (CEST) Received: from lilium.sigma-star.at ([127.0.0.1]) by localhost (lilium.sigma-star.at [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id OKmDGjH1yhZa; Tue, 6 Jul 2021 17:43:21 +0200 (CEST) From: Richard Weinberger To: kishon@ti.com Cc: lorenzo.pieralisi@arm.com, kw@linux.com, arnd@arndb.de, gregkh@linuxfoundation.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Richard Weinberger Subject: [PATCH] misc: pci_endpoint_test: Ensure relationship between miscdev and PCI Date: Tue, 6 Jul 2021 17:43:10 +0200 Message-Id: <20210706154310.26773-1-richard@nod.at> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Set the parent pointer of the misc device to ensure a relationship between PCI and misc dev. That way it is possible to see in /sys/class/misc/ which pci_endpoint_test instance serves what PCI device. Signed-off-by: Richard Weinberger --- drivers/misc/pci_endpoint_test.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c index 1b2868ca4f2a..d1137a95ad02 100644 --- a/drivers/misc/pci_endpoint_test.c +++ b/drivers/misc/pci_endpoint_test.c @@ -862,6 +862,7 @@ static int pci_endpoint_test_probe(struct pci_dev *pdev, err = -ENOMEM; goto err_release_irq; } + misc_device->parent = &pdev->dev; misc_device->fops = &pci_endpoint_test_fops, err = misc_register(misc_device);