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=-8.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 78C62C10F0E for ; Mon, 15 Apr 2019 09:25:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 407ED20656 for ; Mon, 15 Apr 2019 09:25:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="uxxjd5Ka" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725851AbfDOJZs (ORCPT ); Mon, 15 Apr 2019 05:25:48 -0400 Received: from mail-wm1-f68.google.com ([209.85.128.68]:53073 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725794AbfDOJZs (ORCPT ); Mon, 15 Apr 2019 05:25:48 -0400 Received: by mail-wm1-f68.google.com with SMTP id a184so19689276wma.2; Mon, 15 Apr 2019 02:25:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=iJNeMsMDBbX3/V0CyypZ63i7Xih83/cjpEtyiKLsn0s=; b=uxxjd5KalPEc0jRb+r9Uspiws00MT29JZ4vOY3mXX2NR7ChjwPsiAUcF7coOORxjvE IiO7VW0f8DbU08stn/kcUxTl2YpTLuqn0/VCgygQEIcZfP3cl22rzyBL/XtWzcfrUfRt vGcy6mUCEJ5g54xLHe5zHHaPYNy2KwMjJ6xq+Alenkq9WKqU9BII6l2+xdNfBcfQs0Y0 4EtyPdaR9IurLE2otSWozzwZc8LreinhKJNd/5dbUANza9mrRJdgpvKhtmEo9gCyhqTr gDsN6/8vDf4wY8ZJSlJ+eVwFxIaFmALmS3Z3s/XQZIyVzi38jEY4QYAG95CMfSBKwWc2 zQgQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=iJNeMsMDBbX3/V0CyypZ63i7Xih83/cjpEtyiKLsn0s=; b=GFIJcKSS+MCH2ypQpP8wBDRyJnp58I7J+xfyE+UOSCtOCCvxxLRjJUJ7QhFWvwAP98 pLshWiaStd65fpnS2RYkjFZBa9v+ZzQBxzCNt4kuhou5DFO33iQWiVxDCX37aoyiC4ix lY4ReBiIDsIP4NMbSPGBlUWNX7ZSuETc6FwlgFdhTGKmz+daczbiRU32ogGwfZrJxZ1w bgN9/b4Z/0LWRJc/TKk1xveuECxoXeqIj01F5qUPx6/MeA0KCIT6ZVGDoNNAdg5LKf0c yNG96sfwEfR1pOfkPihmEVaostVbMa82cW3BZ+uuOX7ym+P3COlNLmYnQSN43EWaWZwf J5Hg== X-Gm-Message-State: APjAAAWoaFraphcPPe91anl3pdesBi9LuFUi2r+sIV9IVkhpeGM2CJRr /9ZDorO3419UPzdJFwBTBmk= X-Google-Smtp-Source: APXvYqxvE/CjmENodfShqF/GX3jKBRqiBHRliqp6tBeVHmv/TBBwSn5nzKRE2JiS3JZ4BgtIYOjIaQ== X-Received: by 2002:a1c:9dc8:: with SMTP id g191mr21936266wme.132.1555320346539; Mon, 15 Apr 2019 02:25:46 -0700 (PDT) Received: from arrakis.kwizart.net (lfbn-1-6949-109.w90-116.abo.wanadoo.fr. [90.116.130.109]) by smtp.gmail.com with ESMTPSA id u189sm18045148wme.25.2019.04.15.02.25.45 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 15 Apr 2019 02:25:45 -0700 (PDT) From: Nicolas Chauvet To: Thierry Reding , Jonathan Hunter , Manikanta Maddireddy , Bjorn Helgaas , Lorenzo Pieralisi Cc: linux-tegra@vger.kernel.org, linux-pci@vger.kernel.org, Nicolas Chauvet Subject: [PATCH] PCI: disable nv_msi_ht_cap_quirk_leaf quirk on arm/arm64 Date: Mon, 15 Apr 2019 11:25:37 +0200 Message-Id: <20190415092537.14305-1-kwizart@gmail.com> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20180730094213.11973-1-kwizart@gmail.com> References: <20180730094213.11973-1-kwizart@gmail.com> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org This patch disable the use of nv_msi_ht_cap_quirk_leaf quirk on arm and arm64 NVIDIA devices such as Tegra This fixes the following output: "pci 0000:00:01.0: nv_msi_ht_cap_quirk didn't locate host bridge" as experienced on a Trimslice device with PCI host bridge enabled v3: exclude the quirk for arm and arm64 instead of only for x86 v2: use __maybe_unused to avoid a warning on nv_msi_ht_cap_quirk_leaf Signed-off-by: Nicolas Chauvet Reviewed-by: Manikanta Maddireddy Acked-by: Thierry Reding --- drivers/pci/quirks.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index a59ad09ce911..1ac65f09d7ee 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -2811,12 +2811,15 @@ static void nv_msi_ht_cap_quirk_all(struct pci_dev *dev) DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, PCI_ANY_ID, nv_msi_ht_cap_quirk_all); DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_AL, PCI_ANY_ID, nv_msi_ht_cap_quirk_all); -static void nv_msi_ht_cap_quirk_leaf(struct pci_dev *dev) +static void __maybe_unused nv_msi_ht_cap_quirk_leaf(struct pci_dev *dev) { return __nv_msi_ht_cap_quirk(dev, 0); } +/* HyperTransport is not relevant on theses arches */ +#if !IS_ENABLED(CONFIG_ARM) && !IS_ENABLED(CONFIG_ARM64) DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, nv_msi_ht_cap_quirk_leaf); DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, nv_msi_ht_cap_quirk_leaf); +#endif static void quirk_msi_intx_disable_bug(struct pci_dev *dev) { -- 2.17.2