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

From: Claudiu.Beznea
Date: Thu Oct 20 2022 - 05:02:12 EST


On 19.10.2022 12:11, Ilpo Järvinen wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>
> Take advantage of the new uart_xmit_advance() helper.
>
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>

Reviewed-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>


> ---
> 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
>