| Message ID | 1447857679-30158-7-git-send-email-ben.dooks@codethink.co.uk (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
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);
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@codethink.co.uk> --- drivers/tty/serial/meson_uart.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)