linux-kernel - Re: [PATCH 11/44] serial: atmel: Use uart_xmit

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Date:   Thu, 20 Oct 2022 09:01:29 +0000
From:   <Claudiu.Beznea@...rochip.com>
To:     <ilpo.jarvinen@...ux.intel.com>, <linux-serial@...r.kernel.org>,
        <gregkh@...uxfoundation.org>, <jirislaby@...nel.org>,
        <richard.genoud@...il.com>, <Nicolas.Ferre@...rochip.com>,
        <alexandre.belloni@...tlin.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH 11/44] serial: atmel: Use uart_xmit_advance()

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@...ux.intel.com>

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


> ---
>  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
>