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=-9.7 required=3.0 tests=DATE_IN_FUTURE_06_12, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,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 4391FC76188 for ; Fri, 19 Jul 2019 05:12:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 275662082E for ; Fri, 19 Jul 2019 05:12:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726726AbfGSFMV (ORCPT ); Fri, 19 Jul 2019 01:12:21 -0400 Received: from out30-56.freemail.mail.aliyun.com ([115.124.30.56]:39976 "EHLO out30-56.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725794AbfGSFMV (ORCPT ); Fri, 19 Jul 2019 01:12:21 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R161e4;CH=green;DM=||false|;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04394;MF=shannon.zhao@linux.alibaba.com;NM=1;PH=DS;RN=6;SR=0;TI=SMTPD_---0TXG4GTe_1563513118; Received: from localhost(mailfrom:shannon.zhao@linux.alibaba.com fp:SMTPD_---0TXG4GTe_1563513118) by smtp.aliyun-inc.com(127.0.0.1); Fri, 19 Jul 2019 13:12:17 +0800 From: Shannon Zhao To: linux-kernel@vger.kernel.org, jnair@marvell.com, bhelgaas@google.com, linux-pci@vger.kernel.org, gduan@marvell.com Subject: [PATCH] PCI: Add ACS quirk for Cavium ThunderX 2 root port devices Date: Fri, 19 Jul 2019 21:10:35 +0800 Message-Id: <1563541835-141011-1-git-send-email-shenglong.zsl@alibaba-inc.com> X-Mailer: git-send-email 1.8.3.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Shannon Zhao Like commit f2ddaf8(PCI: Apply Cavium ThunderX ACS quirk to more Root Ports), it should apply ACS quirk to ThunderX 2 root port devices. Signed-off-by: Shannon Zhao --- drivers/pci/quirks.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 28c64f8..ea7848b 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4224,10 +4224,12 @@ static bool pci_quirk_cavium_acs_match(struct pci_dev *dev) * family by 0xf800 mask (which represents 8 SoCs), while the lower * bits of device ID are used to indicate which subdevice is used * within the SoC. + * Effectively selects the ThunderX 2 root ports whose device ID + * is 0xaf84. */ return (pci_is_pcie(dev) && (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT) && - ((dev->device & 0xf800) == 0xa000)); + ((dev->device & 0xf800) == 0xa000 || dev->device == 0xaf84)); } static int pci_quirk_cavium_acs(struct pci_dev *dev, u16 acs_flags) -- 1.8.3.1