blob: 0f5afa67e1e8ddf5a7bb0960e286e8b1254f208b (
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diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index b7347bc6a24d..5ad877fd49d8 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -5017,6 +5017,17 @@ int pci_dev_specific_disable_acs_redir(struct pci_dev *dev)
return -ENOTTY;
}
+/*
+ * Ryzen 3rd-gen CPU-provided USB and audio advertise FLR, but invoking it hangs.
+ * NOTE: Not true for chipset-provided USB which has the same ID.
+ */
+static void quirk_amd_no_flr(struct pci_dev *dev)
+{
+ dev->dev_flags |= PCI_DEV_FLAGS_NO_FLR_RESET;
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AMD, 0x149c, quirk_amd_no_flr);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AMD, 0x1487, quirk_amd_no_flr);
+
/*
* The PCI capabilities list for Intel DH895xCC VFs (device ID 0x0443) with
* QuickAssist Technology (QAT) is prematurely terminated in hardware. The
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