Message ID | 1444398323-17354-3-git-send-email-Liviu.Dudau@arm.com |
---|---|
State | New |
Headers | show
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[209.132.180.67]) by mx.google.com with ESMTP id rz9si2779703pac.15.2015.10.09.06.46.18; Fri, 09 Oct 2015 06:46:18 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933103AbbJINqJ (ORCPT <rfc822;pingbo.wen@linaro.org> + 30 others); Fri, 9 Oct 2015 09:46:09 -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 <rfc822;linux-kernel@vger.kernel.org>); 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 <Liviu.Dudau@arm.com> To: Will Deacon <will.deacon@arm.com>, Catalin Marinas <catalin.marinas@arm.com>, Bjorn Helgaas <bhelgaas@google.com>, Mark Rutland <mark.rutland@arm.com>, Linus Walleij <linus.walleij@linaro.org>, Robin Murphy <robin.murphy@arm.com>, Rob Herring <robh+dt@kernel.org>, Ian Campbell <ijc+devicetree@hellion.org.uk>, Kumar Gala <galak@codeaurora.org>, Arnd Bergmann <arnd@arndb.de>, Jon Medhurst <tixy@linaro.org> Cc: linux-pci <linux-pci@vger.kernel.org>, device-tree <devicetree@vger.kernel.org>, LAKML <linux-arm-kernel@lists.infradead.org>, LKML <linux-kernel@vger.kernel.org> Subject: [PATCH 2/4] PCI: Add quirk for PLDA's XpressRICH3 host bridge class. 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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);
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 <Liviu.Dudau@arm.com> --- drivers/pci/quirks.c | 10 ++++++++++ 1 file changed, 10 insertions(+)