I hooked up the wrong callback in my previous patch, this should fix it.
Reported-by: Alan Stern <stern@rowland.harvard.edu>
Cc: Johan Hovold <jhovold@gmail.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
        .tiocmset          = ch341_tiocmset,
        .read_int_callback = ch341_read_int_callback,
        .attach            = ch341_attach,
-       .resume            = ch341_reset_resume,
+       .reset_resume      = ch341_reset_resume,
 };
 
 static struct usb_serial_driver * const serial_drivers[] = {