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This patch prepares xhci for the following scenario: - If either of the root hubs has no ports, then omit shared hcd - Main hcd can be USB3 if there are no USB2 ports Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/20220511220450.85367-3-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>