[PATCH 11/44] serial: atmel: Use uart_xmit_advance()

From: Ilpo Järvinen
Date: Wed Oct 19 2022 - 05:37:58 EST


Take advantage of the new uart_xmit_advance() helper.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
---
drivers/tty/serial/atmel_serial.c | 11 ++---------
1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index bd07f79a2df9..4485f2d26b77 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -875,10 +875,7 @@ static void atmel_complete_tx_dma(void *arg)

if (chan)
dmaengine_terminate_all(chan);
- xmit->tail += atmel_port->tx_len;
- xmit->tail &= UART_XMIT_SIZE - 1;
-
- port->icount.tx += atmel_port->tx_len;
+ uart_xmit_advance(port, atmel_port->tx_len);

spin_lock_irq(&atmel_port->lock_tx);
async_tx_ack(atmel_port->desc_tx);
@@ -1471,11 +1468,7 @@ static void atmel_tx_pdc(struct uart_port *port)
/* nothing left to transmit? */
if (atmel_uart_readl(port, ATMEL_PDC_TCR))
return;
-
- xmit->tail += pdc->ofs;
- xmit->tail &= UART_XMIT_SIZE - 1;
-
- port->icount.tx += pdc->ofs;
+ uart_xmit_advance(port, pdc->ofs);
pdc->ofs = 0;

/* more to transmit - setup next transfer */
--
2.30.2