* [PATCH AUTOSEL 4.19 11/16] PCI: Mark Creative Labs EMU20k2 INTx masking as broken
[not found] <20241004183150.3676355-1-sashal@kernel.org>
@ 2024-10-04 18:31 ` Sasha Levin
0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2024-10-04 18:31 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Alex Williamson, zdravko delineshev, Krzysztof Wilczyński,
Sasha Levin, bhelgaas, linux-pci
From: Alex Williamson <alex.williamson@redhat.com>
[ 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 <delineshev@outlook.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
[kwilczynski: commit log]
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/pci/quirks.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index bb51820890965..e496670d7994e 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -3347,6 +3347,8 @@ 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)
--
2.43.0
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2024-10-04 18:31 ` [PATCH AUTOSEL 4.19 11/16] PCI: Mark Creative Labs EMU20k2 INTx masking as broken Sasha Levin
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