oldloop 394 drivers/tty/serial/zs.c u8 oldloop, newloop; oldloop 410 drivers/tty/serial/zs.c oldloop = zport->regs[14]; oldloop 411 drivers/tty/serial/zs.c newloop = oldloop; oldloop 416 drivers/tty/serial/zs.c if (newloop != oldloop) {