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/linux-4.1.27/drivers/tty/serial/
Dzs.c393 u8 oldloop, newloop; in zs_set_mctrl() local
410 newloop = oldloop; in zs_set_mctrl()
412 newloop |= LOOPBAK; in zs_set_mctrl()
414 newloop &= ~LOOPBAK; in zs_set_mctrl()
415 if (newloop != oldloop) { in zs_set_mctrl()
416 zport->regs[14] = newloop; in zs_set_mctrl()