diff options
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/amba-pl011.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index b031abf43a7a..6cf861efb2af 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -1195,6 +1195,7 @@ static void pl011_rx_chars(struct uart_amba_port *uap) uap->im |= UART011_RXIM; } else { uap->im &= ~UART011_RXIM; +#ifdef CONFIG_DMA_ENGINE /* Start Rx DMA poll */ if (uap->dmarx.poll_rate) { uap->dmarx.last_jiffies = jiffies; @@ -1203,6 +1204,7 @@ static void pl011_rx_chars(struct uart_amba_port *uap) jiffies + msecs_to_jiffies(uap->dmarx.poll_rate)); } +#endif } writew(uap->im, uap->port.membase + UART011_IMSC); @@ -1665,11 +1667,13 @@ pl011_set_termios(struct uart_port *port, struct ktermios *termios, */ baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk / clkdiv); +#ifdef CONFIG_DMA_ENGINE /* * Adjust RX DMA polling rate with baud rate if not specified. */ if (uap->dmarx.auto_poll_rate) uap->dmarx.poll_rate = DIV_ROUND_UP(10000000, baud); +#endif if (baud > port->uartclk/16) quot = DIV_ROUND_CLOSEST(port->uartclk * 8, baud); |