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path: root/drivers/tty/serial/serial_txx9.c
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Diffstat (limited to 'drivers/tty/serial/serial_txx9.c')
-rw-r--r--drivers/tty/serial/serial_txx9.c32
1 files changed, 5 insertions, 27 deletions
diff --git a/drivers/tty/serial/serial_txx9.c b/drivers/tty/serial/serial_txx9.c
index e12f1dc18c38..eab387b01e36 100644
--- a/drivers/tty/serial/serial_txx9.c
+++ b/drivers/tty/serial/serial_txx9.c
@@ -321,34 +321,12 @@ receive_chars(struct uart_port *up, unsigned int *status)
static inline void transmit_chars(struct uart_port *up)
{
- struct circ_buf *xmit = &up->state->xmit;
- int count;
+ u8 ch;
- if (up->x_char) {
- sio_out(up, TXX9_SITFIFO, up->x_char);
- up->icount.tx++;
- up->x_char = 0;
- return;
- }
- if (uart_circ_empty(xmit) || uart_tx_stopped(up)) {
- serial_txx9_stop_tx(up);
- return;
- }
-
- count = TXX9_SIO_TX_FIFO;
- do {
- sio_out(up, TXX9_SITFIFO, xmit->buf[xmit->tail]);
- xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
- up->icount.tx++;
- if (uart_circ_empty(xmit))
- break;
- } while (--count > 0);
-
- if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
- uart_write_wakeup(up);
-
- if (uart_circ_empty(xmit))
- serial_txx9_stop_tx(up);
+ uart_port_tx_limited(up, ch, TXX9_SIO_TX_FIFO,
+ true,
+ sio_out(up, TXX9_SITFIFO, ch),
+ ({}));
}
static irqreturn_t serial_txx9_interrupt(int irq, void *dev_id)