usb_serial_generic_write 231 drivers/usb/serial/generic.c EXPORT_SYMBOL_GPL(usb_serial_generic_write); usb_serial_generic_write 55 drivers/usb/serial/usb_debug.c usb_serial_generic_write(tty, port, USB_DEBUG_BRK, USB_DEBUG_BRK_SIZE); usb_serial_generic_write 345 include/linux/usb/serial.h extern int usb_serial_generic_write(struct tty_struct *tty,