linux-kernel - [PATCH 4.19 063/220] x86/PCI: Apply VMDs AERSID fixup generically

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Date:   Fri, 22 Nov 2019 11:27:08 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Jon Derrick <jonathan.derrick@...el.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 063/220] x86/PCI: Apply VMDs AERSID fixup generically

From: Jon Derrick <jonathan.derrick@...el.com>

[ Upstream commit 4f475e8e0a6d4f5d430350d1f74f7e4899fb1692 ]

A root port Device ID changed between simulation and production.  Rather
than match Device IDs which may not be future-proof if left unmaintained,
match all root ports which exist in a VMD domain.

Signed-off-by: Jon Derrick <jonathan.derrick@...el.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/x86/pci/fixup.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c
index bd372e8965571..527e69b120025 100644
--- a/arch/x86/pci/fixup.c
+++ b/arch/x86/pci/fixup.c
@@ -629,17 +629,11 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x8c10, quirk_apple_mbp_poweroff);
 static void quirk_no_aersid(struct pci_dev *pdev)
 {
 	/* VMD Domain */
-	if (is_vmd(pdev->bus))
+	if (is_vmd(pdev->bus) && pci_is_root_bus(pdev->bus))
 		pdev->bus->bus_flags |= PCI_BUS_FLAGS_NO_AERSID;
 }
-DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x2030, quirk_no_aersid);
-DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x2031, quirk_no_aersid);
-DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x2032, quirk_no_aersid);
-DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x2033, quirk_no_aersid);
-DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x334a, quirk_no_aersid);
-DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x334b, quirk_no_aersid);
-DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x334c, quirk_no_aersid);
-DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x334d, quirk_no_aersid);
+DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, PCI_ANY_ID,
+			      PCI_CLASS_BRIDGE_PCI, 8, quirk_no_aersid);
 
 static void quirk_intel_th_dnv(struct pci_dev *dev)
 {
-- 
2.20.1