Johan Hovold a794499b26 USB: serial: add calc_num_ports callback to generic driver ...

Add a calc_num_ports callback to the generic driver and verify that the
device has the required endpoints there instead of in core.

Note that the generic driver num_ports field was never used.

Signed-off-by: Johan Hovold <johan@kernel.org>

2017-03-28 10:54:39 +02:00

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