diff options
Diffstat (limited to 'drivers/tty/serial/mvebu-uart.c')
| -rw-r--r-- | drivers/tty/serial/mvebu-uart.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/tty/serial/mvebu-uart.c b/drivers/tty/serial/mvebu-uart.c index 0255646bc1..5de57b77ab 100644 --- a/drivers/tty/serial/mvebu-uart.c +++ b/drivers/tty/serial/mvebu-uart.c @@ -219,12 +219,10 @@ static void mvebu_uart_stop_tx(struct uart_port *port) static void mvebu_uart_start_tx(struct uart_port *port) { unsigned int ctl; - struct circ_buf *xmit = &port->state->xmit; + unsigned char c; - if (IS_EXTENDED(port) && !uart_circ_empty(xmit)) { - writel(xmit->buf[xmit->tail], port->membase + UART_TSH(port)); - uart_xmit_advance(port, 1); - } + if (IS_EXTENDED(port) && uart_fifo_get(port, &c)) + writel(c, port->membase + UART_TSH(port)); ctl = readl(port->membase + UART_INTR(port)); ctl |= CTRL_TX_RDY_INT(port); |