From patchwork Thu Dec 21 02:11:17 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Honghui Zhang X-Patchwork-Id: 10126903 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id DE82660388 for ; Thu, 21 Dec 2017 02:11:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CE8DB2918A for ; Thu, 21 Dec 2017 02:11:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C2E6F29A4B; Thu, 21 Dec 2017 02:11:37 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5E8E52918A for ; Thu, 21 Dec 2017 02:11:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757392AbdLUCLb (ORCPT ); Wed, 20 Dec 2017 21:11:31 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:53717 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1757323AbdLUCL1 (ORCPT ); Wed, 20 Dec 2017 21:11:27 -0500 X-UUID: d8c4fb3e2e7a4faf937f359f98c6b564-20171221 Received: from mtkcas07.mediatek.inc [(172.21.101.84)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 2046292182; Thu, 21 Dec 2017 10:11:23 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs01n1.mediatek.inc (172.21.101.68) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Thu, 21 Dec 2017 10:11:22 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1210.3 via Frontend Transport; Thu, 21 Dec 2017 10:11:21 +0800 From: To: , , , , , , , , , , CC: , , , , , , Subject: [PATCH v2 2/2] PCI: mediatek: Fixup class type for MT7622 Date: Thu, 21 Dec 2017 10:11:17 +0800 Message-ID: <1513822277-18329-3-git-send-email-honghui.zhang@mediatek.com> X-Mailer: git-send-email 2.6.4 In-Reply-To: <1513822277-18329-1-git-send-email-honghui.zhang@mediatek.com> References: <1513822277-18329-1-git-send-email-honghui.zhang@mediatek.com> MIME-Version: 1.0 X-MTK: N Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Honghui Zhang The host bridge of MT7622 has hardware code the class code to an arbitrary, meaningless value, fix that. Signed-off-by: Honghui Zhang --- drivers/pci/host/pcie-mediatek.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/pci/host/pcie-mediatek.c b/drivers/pci/host/pcie-mediatek.c index 3248771..ae8d367 100644 --- a/drivers/pci/host/pcie-mediatek.c +++ b/drivers/pci/host/pcie-mediatek.c @@ -1174,3 +1174,15 @@ static struct platform_driver mtk_pcie_driver = { }, }; builtin_platform_driver(mtk_pcie_driver); + +/* The host bridge of MT7622 advertises the wrong device class. */ +static void mtk_fixup_class(struct pci_dev *dev) +{ + dev->class = PCI_CLASS_BRIDGE_PCI << 8; +} + +/* + * The HW default value of vendor id and device id for mt7622 are 0x0e8d, + * 0x3258, which are arbitrary, meaningless values. + */ +DECLARE_PCI_FIXUP_EARLY(0x0e8d, 0x3258, mtk_fixup_class);