linux-kernel - Re: [PATCH] serial: sh-sci: Use DEVICE_ATTR_RW() for rx_fifo

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Date:   Wed, 31 Jul 2019 15:24:32 +0200 (CEST)
From:   Ulrich Hecht <uli@...nd.eu>
To:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>
Cc:     Joe Perches <joe@...ches.com>,
        Ulrich Hecht <ulrich.hecht+renesas@...il.com>,
        linux-serial@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] serial: sh-sci: Use DEVICE_ATTR_RW() for
 rx_fifo_trigger


> On July 31, 2019 at 2:45 PM Geert Uytterhoeven <geert+renesas@...der.be> wrote:
> 
> 
> While commit b6b996b6cdeecf7e ("treewide: Use DEVICE_ATTR_RW") converted
> the rx_fifo_timeout attribute, it forgot to convert rx_fifo_trigger due
> to a slightly different function naming.
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
> ---
>  drivers/tty/serial/sh-sci.c | 14 ++++++--------
>  1 file changed, 6 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
> index d18c680aa64b3427..57638175639e0f3f 100644
> --- a/drivers/tty/serial/sh-sci.c
> +++ b/drivers/tty/serial/sh-sci.c
> @@ -1092,9 +1092,8 @@ static void rx_fifo_timer_fn(struct timer_list *t)
>  	scif_set_rtrg(port, 1);
>  }
>  
> -static ssize_t rx_trigger_show(struct device *dev,
> -			       struct device_attribute *attr,
> -			       char *buf)
> +static ssize_t rx_fifo_trigger_show(struct device *dev,
> +				    struct device_attribute *attr, char *buf)
>  {
>  	struct uart_port *port = dev_get_drvdata(dev);
>  	struct sci_port *sci = to_sci_port(port);
> @@ -1102,10 +1101,9 @@ static ssize_t rx_trigger_show(struct device *dev,
>  	return sprintf(buf, "%d\n", sci->rx_trigger);
>  }
>  
> -static ssize_t rx_trigger_store(struct device *dev,
> -				struct device_attribute *attr,
> -				const char *buf,
> -				size_t count)
> +static ssize_t rx_fifo_trigger_store(struct device *dev,
> +				     struct device_attribute *attr,
> +				     const char *buf, size_t count)
>  {
>  	struct uart_port *port = dev_get_drvdata(dev);
>  	struct sci_port *sci = to_sci_port(port);
> @@ -1123,7 +1121,7 @@ static ssize_t rx_trigger_store(struct device *dev,
>  	return count;
>  }
>  
> -static DEVICE_ATTR(rx_fifo_trigger, 0644, rx_trigger_show, rx_trigger_store);
> +static DEVICE_ATTR_RW(rx_fifo_trigger);
>  
>  static ssize_t rx_fifo_timeout_show(struct device *dev,
>  			       struct device_attribute *attr,
> -- 
> 2.17.1
>

Reviewed-by: Ulrich Hecht <uli+renesas@...nd.eu>

CU
Uli