diff options
| -rw-r--r-- | drivers/tty/serial/lantiq.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/tty/serial/lantiq.c b/drivers/tty/serial/lantiq.c index 6da1b7496c6c..ba9739af30ed 100644 --- a/drivers/tty/serial/lantiq.c +++ b/drivers/tty/serial/lantiq.c @@ -606,15 +606,12 @@ static const struct uart_ops lqasc_pops = { static void lqasc_console_putchar(struct uart_port *port, unsigned char ch) { - int fifofree; - if (!port->membase) return; - do { - fifofree = (__raw_readl(port->membase + LTQ_ASC_FSTAT) - & ASCFSTAT_TXFREEMASK) >> ASCFSTAT_TXFREEOFF; - } while (fifofree == 0); + while (!lqasc_tx_ready(port)) + ; + writeb(ch, port->membase + LTQ_ASC_TBUF); } |