linux-kernel - Re: [PATCH 22/44] serial: meson: Use uart_xmit

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Date:   Wed, 19 Oct 2022 11:36:45 +0200
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
        linux-serial@...r.kernel.org, Greg KH <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH 22/44] serial: meson: Use uart_xmit_advance()

On 19/10/2022 11:11, Ilpo Järvinen wrote:
> Take advantage of the new uart_xmit_advance() helper.
> 
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
> ---
>   drivers/tty/serial/meson_uart.c | 3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/tty/serial/meson_uart.c b/drivers/tty/serial/meson_uart.c
> index 056243c12836..74110017988a 100644
> --- a/drivers/tty/serial/meson_uart.c
> +++ b/drivers/tty/serial/meson_uart.c
> @@ -162,8 +162,7 @@ static void meson_uart_start_tx(struct uart_port *port)
>   
>   		ch = xmit->buf[xmit->tail];
>   		writel(ch, port->membase + AML_UART_WFIFO);
> -		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
> -		port->icount.tx++;
> +		uart_xmit_advance(port, 1);
>   	}
>   
>   	if (!uart_circ_empty(xmit)) {


Acked-by: Neil Armstrong <neil.armstrong@...aro.org>