Gerd Hoffmann 6a32f80f05 xhci: add xhci_port_have_device
Factor out the code which checks whenever a usb device is attached
to the port in question.  No functional change.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2012-11-01 13:10:09 +01:00
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