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PCI: Avoid FLR for AMD NPU device

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The AMD NPU device (PCI Device IDs 0x1502 and 0x17f0) advertises FLR
support. However, triggering an FLR causes the device to hang.

Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/20260226182545.3057330-1-lizhi.hou@amd.com
This commit is contained in:
Lizhi Hou 2026-02-26 10:25:45 -08:00 committed by Bjorn Helgaas
parent 6de23f81a5
commit 806140e9a3
1 changed files with 3 additions and 0 deletions
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3
drivers/pci/quirks.c
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@ -5603,6 +5603,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x443, quirk_intel_qat_vf_cap);
* AMD Starship/Matisse HD Audio Controller 0x1487
* AMD Starship USB 3.0 Host Controller 0x148c
* AMD Matisse USB 3.0 Host Controller 0x149c
* AMD Neural Processing Unit 0x1502 0x17f0
* Intel 82579LM Gigabit Ethernet Controller 0x1502
* Intel 82579V Gigabit Ethernet Controller 0x1503
* Mediatek MT7922 802.11ax PCI Express Wireless Network Adapter
@ -5615,6 +5616,8 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AMD, 0x1487, quirk_no_flr);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AMD, 0x148c, quirk_no_flr);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AMD, 0x149c, quirk_no_flr);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AMD, 0x7901, quirk_no_flr);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AMD, 0x1502, quirk_no_flr);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AMD, 0x17f0, quirk_no_flr);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x1502, quirk_no_flr);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x1503, quirk_no_flr);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_MEDIATEK, 0x0616, quirk_no_flr);