--- a/drivers/tty/serial/8250/8250_core.c +++ b/drivers/tty/serial/8250/8250_core.c @@ -329,6 +329,13 @@ static const struct serial8250_config ua .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10, .flags = UART_CAP_FIFO | UART_CAP_AFE, }, + [PORT_AR7] = { + .name = "TI-AR7", + .fifo_size = 16, + .tx_loadsz = 16, + .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_00, + .flags = UART_CAP_FIFO | UART_CAP_AFE, + }, }; /* Uart divisor latch read */ @@ -3168,7 +3175,11 @@ static void serial8250_console_putchar(s { struct uart_8250_port *up = up_to_u8250p(port); +#ifdef CONFIG_AR7 + wait_for_xmitr(up, BOTH_EMPTY); +#else wait_for_xmitr(up, UART_LSR_THRE); +#endif serial_port_out(port, UART_TX, ch); }