usb: typec: class: Don't use port parent for getting mux handles
commit 23481121c81d984193edf1532f5e123637e50903 upstream. It is not possible to use the parent of the port device when requesting mux handles as the parent may be a multiport USB Type-C or PD controller. The muxes must be assigned to the ports, not the controllers. This will also move the requesting of the muxes after the port device is initialized. Acked-by: NHans de Goede <hdegoede@redhat.com> Tested-by: NHans de Goede <hdegoede@redhat.com> Signed-off-by: NHeikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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