diff options
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/mxser.c | 47 |
1 files changed, 20 insertions, 27 deletions
diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c index 309acf3f1ec3..c194a96bb14e 100644 --- a/drivers/tty/mxser.c +++ b/drivers/tty/mxser.c @@ -600,33 +600,26 @@ static void mxser_change_speed(struct tty_struct *tty, struct ktermios *old_term if (cflag & CMSPAR) cval |= UART_LCR_SPAR; - if ((info->type == PORT_8250) || (info->type == PORT_16450)) { - if (info->board->must_hwid) { - fcr = UART_FCR_ENABLE_FIFO; - fcr |= MOXA_MUST_FCR_GDA_MODE_ENABLE; - mxser_set_must_fifo_value(info); - } else - fcr = 0; - } else { - fcr = UART_FCR_ENABLE_FIFO; - if (info->board->must_hwid) { - fcr |= MOXA_MUST_FCR_GDA_MODE_ENABLE; - mxser_set_must_fifo_value(info); - } else { - switch (info->rx_high_water) { - case 1: - fcr |= UART_FCR_TRIGGER_1; - break; - case 4: - fcr |= UART_FCR_TRIGGER_4; - break; - case 8: - fcr |= UART_FCR_TRIGGER_8; - break; - default: - fcr |= UART_FCR_TRIGGER_14; - break; - } + fcr = 0; + if (info->board->must_hwid) { + fcr |= UART_FCR_ENABLE_FIFO | + MOXA_MUST_FCR_GDA_MODE_ENABLE; + mxser_set_must_fifo_value(info); + } else if (info->type != PORT_8250 && info->type != PORT_16450) { + fcr |= UART_FCR_ENABLE_FIFO; + switch (info->rx_high_water) { + case 1: + fcr |= UART_FCR_TRIGGER_1; + break; + case 4: + fcr |= UART_FCR_TRIGGER_4; + break; + case 8: + fcr |= UART_FCR_TRIGGER_8; + break; + default: + fcr |= UART_FCR_TRIGGER_14; + break; } } |