--- zzzz-none-000/linux-4.9.218/drivers/usb/host/ehci.h 2020-04-02 15:20:41.000000000 +0000 +++ seale-7590ac-750/linux-4.9.218/drivers/usb/host/ehci.h 2022-11-30 09:46:20.000000000 +0000 @@ -230,6 +230,7 @@ unsigned frame_index_bug:1; /* MosChip (AKA NetMos) */ unsigned need_oc_pp_cycle:1; /* MPC834X port power */ unsigned imx28_write_fix:1; /* For Freescale i.MX28 */ + unsigned ignore_oc : 1; /* required for usb32 quirk */ #define OHCI_CTRL_HCFS (3 << 6)