diff options
Diffstat (limited to 'drivers/tty/serial/fsl_lpuart.c')
| -rw-r--r-- | drivers/tty/serial/fsl_lpuart.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index f6c33cd228c8..fbc4b071b330 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1394,9 +1394,9 @@ static int lpuart_config_rs485(struct uart_port *port, struct ktermios *termios, * Note: UART is assumed to be active high. */ if (rs485->flags & SER_RS485_RTS_ON_SEND) - modem &= ~UARTMODEM_TXRTSPOL; - else if (rs485->flags & SER_RS485_RTS_AFTER_SEND) modem |= UARTMODEM_TXRTSPOL; + else if (rs485->flags & SER_RS485_RTS_AFTER_SEND) + modem &= ~UARTMODEM_TXRTSPOL; } writeb(modem, sport->port.membase + UARTMODEM); @@ -2191,6 +2191,7 @@ lpuart32_set_termios(struct uart_port *port, struct ktermios *termios, uart_update_timeout(port, termios->c_cflag, baud); /* wait transmit engin complete */ + lpuart32_write(&sport->port, 0, UARTMODIR); lpuart32_wait_bit_set(&sport->port, UARTSTAT, UARTSTAT_TC); /* disable transmit and receive */ @@ -2723,14 +2724,15 @@ static int lpuart_probe(struct platform_device *pdev) lpuart_reg.cons = LPUART_CONSOLE; handler = lpuart_int; } - ret = uart_add_one_port(&lpuart_reg, &sport->port); - if (ret) - goto failed_attach_port; ret = lpuart_global_reset(sport); if (ret) goto failed_reset; + ret = uart_add_one_port(&lpuart_reg, &sport->port); + if (ret) + goto failed_attach_port; + ret = uart_get_rs485_mode(&sport->port); if (ret) goto failed_get_rs485; @@ -2746,9 +2748,9 @@ static int lpuart_probe(struct platform_device *pdev) failed_irq_request: failed_get_rs485: -failed_reset: uart_remove_one_port(&lpuart_reg, &sport->port); failed_attach_port: +failed_reset: lpuart_disable_clks(sport); return ret; } |