From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f171.google.com ([209.85.192.171]:34627 "EHLO mail-pf0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750897AbbLKCa0 (ORCPT ); Thu, 10 Dec 2015 21:30:26 -0500 Received: by pfbg73 with SMTP id g73so58929270pfb.1 for ; Thu, 10 Dec 2015 18:30:26 -0800 (PST) From: Simon Horman To: Bjorn Helgaas Cc: linux-pci@vger.kernel.org, Simon Horman Subject: [PATCH 2/2] PCI: Limit config space size for Netronome NFP4000 Date: Fri, 11 Dec 2015 11:30:12 +0900 Message-Id: <1449801012-10432-3-git-send-email-simon.horman@netronome.com> In-Reply-To: <1449801012-10432-1-git-send-email-simon.horman@netronome.com> References: <1449801012-10432-1-git-send-email-simon.horman@netronome.com> Sender: linux-pci-owner@vger.kernel.org List-ID: Like the NFP6000 the NFP4000 as an erratum where reading/writing to PCI config space addresses above 0x600 can cause the NFP to generate PCIe completion timeouts. Limit the NFP4000's PF's config space size to 0x600 bytes as is already done for the NFP6000. The NFP4000's VF is 0x6004 (PCI_DEVICE_ID_NETRONOME_NFP6000_VF), the same device ID as the NFP6000's VF. Thus its config space is already limited by the existing use of quirk_nfp6000. Signed-off-by: Simon Horman --- drivers/pci/quirks.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 83e93d7ca4b9..8b13b41257b8 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -295,6 +295,7 @@ static void quirk_nfp6000(struct pci_dev *dev) { dev->cfg_size = 0x600; } +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NETRONOME, PCI_DEVICE_ID_NETRONOME_NFP4000, quirk_nfp6000); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NETRONOME, PCI_DEVICE_ID_NETRONOME_NFP6000, quirk_nfp6000); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NETRONOME, PCI_DEVICE_ID_NETRONOME_NFP6000_VF, quirk_nfp6000); -- 2.1.4