[22/44] serial: meson: Use uart_xmit_advance()

Message ID 20221019091151.6692-23-ilpo.jarvinen@linux.intel.com
State New
Headers
Series serial: Convert drivers to use uart_xmit_advance() |

Commit Message

Ilpo Järvinen Oct. 19, 2022, 9:11 a.m. UTC
  Take advantage of the new uart_xmit_advance() helper.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
 drivers/tty/serial/meson_uart.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
  

Comments

Neil Armstrong Oct. 19, 2022, 9:36 a.m. UTC | #1
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@linux.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@linaro.org>
  
Martin Blumenstingl Oct. 19, 2022, 8:42 p.m. UTC | #2
On Wed, Oct 19, 2022 at 11:13 AM Ilpo Järvinen
<ilpo.jarvinen@linux.intel.com> wrote:
>
> Take advantage of the new uart_xmit_advance() helper.
>
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>

That helper is a welcome improvement in my opinion. Thanks for working on this!
  

Patch

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)) {