serial: tegra: Use uart_xmit_advance()

Take advantage of the new uart_xmit_advance() helper.

Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20221019091151.6692-32-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c
index b7170cb9a544f7321f9731ca5bb673b588f1f766..4304e3f9307dd63c0191896bda53c886292d9d8f 100644 (file)
--- a/drivers/tty/serial/serial-tegra.c
+++ b/drivers/tty/serial/serial-tegra.c
@@ -496,8 +496,7 @@ static void tegra_uart_fill_tx_fifo(struct tegra_uart_port *tup, int max_bytes)
                                break;
                }
                tegra_uart_write(tup, xmit->buf[xmit->tail], UART_TX);
-               xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
-               tup->uport.icount.tx++;
+               uart_xmit_advance(&tup->uport, 1);
        }
 }