Searched refs:MCR_LOOPBACK (Results 1 – 4 of 4) sorted by relevance
294 if (mcr & MCR_LOOPBACK) { in modem_status()392 if ((sc->mcr & MCR_LOOPBACK) != 0) { in uart_drain()430 if (sc->mcr & MCR_LOOPBACK) { in uart_write()
74 #define MCR_LOOPBACK 0x10 macro
104 #define MCR_LOOPBACK 0x10 macro
823 uart_setreg(bas, REG_MCR, MCR_LOOPBACK | MCR_IE | MCR_DTR | MCR_RTS); in ns8250_bus_probe()