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Commit 0ddf07d2 authored by Dongdong Liu's avatar Dongdong Liu Committed by Greg Kroah-Hartman
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PCI: Disable MSI for HiSilicon Hip06/Hip07 Root Ports



[ Upstream commit 72f2ff0deb870145a5a2d24cd75b4f9936159a62 ]

The PCIe Root Port in Hip06/Hip07 SoCs advertises an MSI capability, but it
cannot generate MSIs.  It can transfer MSI/MSI-X from downstream devices,
but does not support MSI/MSI-X itself.

Add a quirk to prevent use of MSI/MSI-X by the Root Port.

[bhelgaas: changelog, sort vendor ID #define, drop device ID #define]
Signed-off-by: default avatarDongdong Liu <liudongdong3@huawei.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Reviewed-by: default avatarGabriele Paoloni <gabriele.paoloni@huawei.com>
Reviewed-by: default avatarZhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: default avatarSasha Levin <alexander.levin@verizon.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 28dd2313
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