USB: serial: add calc_num_ports callback to generic driver

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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>

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Johan Hovold 2017-03-16 17:13:32 +01:00

parent 415d7b3a54

commit a794499b26

3 changed files with 24 additions and 22 deletions

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include/linux/usb/serial.h

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