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some Intel Alder Lake xHC hosts on ChromeOS platforms need special workarounds touching port registers at xHC pci host hibernate. Export xhci_port_state_to_neutral() and xhci_find_slot_id_by_port() so they can be called from xhci-pci.c and thus the xhci-pci module. Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/20221130091944.2171610-4-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>