linux-kernel - [PATCH] PCI: Add Intel XXV710 to broken INTx masking quirk

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Message-ID: <20170607190027.22611.92564.stgit@gimli.home>
Date:   Wed, 07 Jun 2017 13:00:48 -0600
From:   Alex Williamson <alex.williamson@...hat.com>
To:     linux-pci@...r.kernel.org
Cc:     bhelgaas@...gle.com, Jesse Brandeburg <jesse.brandeburg@...el.com>,
        Stefan Assmann <sassmann@...hat.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] PCI: Add Intel XXV710 to broken INTx masking quirk

Just like the other XL710 and X710 variants, the XXV710 device IDs
appear to have the same hardware bug, the status register doesn't
report pending interrupts resulting in "irq xx: nobody cared..."
errors from the spurious interrupt handler when we try to use it
with device assignment.

Reported-by: Stefan Assmann <sassmann@...hat.com>
Signed-off-by: Alex Williamson <alex.williamson@...hat.com>
Cc: Jesse Brandeburg <jesse.brandeburg@...el.com>
---
 drivers/pci/quirks.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 16e6cd86ad71..aa1c9e65f562 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -3236,6 +3236,10 @@ static void quirk_broken_intx_masking(struct pci_dev *dev)
 			quirk_broken_intx_masking);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x1589,
 			quirk_broken_intx_masking);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x158a,
+			quirk_broken_intx_masking);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x158b,
+			quirk_broken_intx_masking);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x37d0,
 			quirk_broken_intx_masking);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x37d1,