From 09acd35aa74cc117cc61a998076286fcc46ae343 Mon Sep 17 00:00:00 2001 From: Alex Williamson Date: Thu, 12 Sep 2024 15:53:27 -0600 Subject: [PATCH] PCI: Mark Creative Labs EMU20k2 INTx masking as broken MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit BugLink: https://bugs.launchpad.net/bugs/2097301 [ Upstream commit 2910306655a7072640021563ec9501bfa67f0cb1 ] Per user reports, the Creative Labs EMU20k2 (Sound Blaster X-Fi Titanium Series) generates spurious interrupts when used with vfio-pci unless DisINTx masking support is disabled. Thus, quirk the device to mark INTx masking as broken. Closes: https://lore.kernel.org/all/VI1PR10MB8207C507DB5420AB4C7281E0DB9A2@VI1PR10MB8207.EURPRD10.PROD.OUTLOOK.COM Link: https://lore.kernel.org/linux-pci/20240912215331.839220-1-alex.williamson@redhat.com Reported-by: zdravko delineshev Signed-off-by: Alex Williamson [kwilczynski: commit log] Signed-off-by: Krzysztof Wilczyński Signed-off-by: Sasha Levin Signed-off-by: Manuel Diewald Signed-off-by: Koichiro Den --- drivers/pci/quirks.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 2485c60ed2b1..6fe8a6002592 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3636,6 +3636,8 @@ DECLARE_PCI_FIXUP_FINAL(0x1814, 0x0601, /* Ralink RT2800 802.11n PCI */ quirk_broken_intx_masking); DECLARE_PCI_FIXUP_FINAL(0x1b7c, 0x0004, /* Ceton InfiniTV4 */ quirk_broken_intx_masking); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K2, + quirk_broken_intx_masking); /* * Realtek RTL8169 PCI Gigabit Ethernet Controller (rev 10)