serial: pic32: Use uart_xmit_advance()

Take advantage of the new uart_xmit_advance() helper.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20221019091151.6692-26-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/pic32_uart.c b/drivers/tty/serial/pic32_uart.c
index 2beada66c8245edac1edf7dbfc270bb73af0d6ee..52d026865a327564caf62b84ab0f2b0463f5f4aa 100644 (file)
--- a/drivers/tty/serial/pic32_uart.c
+++ b/drivers/tty/serial/pic32_uart.c
@@ -376,8 +376,7 @@ static void pic32_uart_do_tx(struct uart_port *port)
 
                pic32_uart_writel(sport, PIC32_UART_TX, c);
 
-               xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
-               port->icount.tx++;
+               uart_xmit_advance(port, 1);
                if (uart_circ_empty(xmit))
                        break;
                if (--max_count == 0)