USB: serial: io_ti: clean up vendor-request helpers

Clean up the vendor-request helpers by using kernel-types consistently
and using void pointers for the data arguments, which allows removing
a cast from one caller.

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
1 file changed