From patchwork Fri Oct 9 13:45:21 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liviu Dudau X-Patchwork-Id: 7361801 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: patchwork-linux-pci@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 4F4EC9F65E for ; Fri, 9 Oct 2015 13:47:35 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6E5742084C for ; Fri, 9 Oct 2015 13:47:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8865820829 for ; Fri, 9 Oct 2015 13:47:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933023AbbJINqG (ORCPT ); Fri, 9 Oct 2015 09:46:06 -0400 Received: from fw-tnat.cambridge.arm.com ([217.140.96.140]:26511 "EHLO cam-smtp0.cambridge.arm.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756133AbbJINqD (ORCPT ); Fri, 9 Oct 2015 09:46:03 -0400 Received: from e106497-lin.cambridge.arm.com (e106497-lin.cambridge.arm.com [10.2.131.158]) by cam-smtp0.cambridge.arm.com (8.13.8/8.13.8) with ESMTP id t99DjNH8002667; Fri, 9 Oct 2015 14:45:23 +0100 From: Liviu Dudau To: Will Deacon , Catalin Marinas , Bjorn Helgaas , Mark Rutland , Linus Walleij , Robin Murphy , Rob Herring , Ian Campbell , Kumar Gala , Arnd Bergmann , Jon Medhurst Cc: linux-pci , device-tree , LAKML , LKML Subject: [PATCH 2/4] PCI: Add quirk for PLDA's XpressRICH3 host bridge class. Date: Fri, 9 Oct 2015 14:45:21 +0100 Message-Id: <1444398323-17354-3-git-send-email-Liviu.Dudau@arm.com> X-Mailer: git-send-email 2.6.0 In-Reply-To: <1444398323-17354-1-git-send-email-Liviu.Dudau@arm.com> References: <1444398323-17354-1-git-send-email-Liviu.Dudau@arm.com> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The XpressRICH3 host bridge at power up has an unassigned class on some of ARM Ltd boards, add a quirk to correct that. Signed-off-by: Liviu Dudau --- drivers/pci/quirks.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index b03373f..ae24bb4 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4149,3 +4149,13 @@ static void quirk_intel_qat_vf_cap(struct pci_dev *pdev) } } DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x443, quirk_intel_qat_vf_cap); + +/* + * The PLDA's XpressRICH3 doesn't describe itself as a bridge. This is required + * for correct/normal enumeration. + */ +static void xr3pci_quirk_class(struct pci_dev *pdev) +{ + pdev->class = PCI_CLASS_BRIDGE_PCI << 8; +} +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_PLDA, PCI_DEVICE_ID_XR3PCI, xr3pci_quirk_class);