Use the meson_uart_tx_empty() instead of a direct read of the status
register. This is easier to read and will ensure the UART's transmit
state machine is idle when trying to update the baud rate.
Signed-off-by: Ben Dooks <ben.dooks@xxxxxxxxxxxxxxx>
---
drivers/tty/serial/meson_uart.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/serial/meson_uart.c b/drivers/tty/serial/meson_uart.c
index 9327efd..d3f2c96 100644
--- a/drivers/tty/serial/meson_uart.c
+++ b/drivers/tty/serial/meson_uart.c
@@ -285,7 +285,7 @@ static void meson_uart_change_speed(struct uart_port *port, unsigned long baud)
{
u32 val;
- while (!(readl(port->membase + AML_UART_STATUS) & AML_UART_TX_EMPTY))
+ while (!meson_uart_tx_empty(port))
cpu_relax();
val = readl(port->membase + AML_UART_REG5);
--
2.6.2
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