On Thu, Sep 09, 2021 at 12:11:58PM +0530, Kishon Vijay Abraham I wrote: > It has been observed with certain PCIe USB cards (like Inateck connected > to AM64 EVM or J7200 EVM) that as soon as the primary roothub is > registered, port status change is handled even before xHC is running > leading to cold plug USB devices not detected. For such cases, registering > both the root hubs along with the second HCD is required. Add support for > deferring roothub registration in usb_add_hcd(), so that both primary and > secondary roothubs are registered along with the second HCD. > > CC: stable@xxxxxxxxxxxxxxx # 5.4+ > Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx> > Suggested-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx> > Tested-by: Chris Chiu <chris.chiu@xxxxxxxxxxxxx> > --- Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
