linux-kernel - Re: [PATCH 3/5] rtc: ds1685: use EXPORT_SYMBOL_GPL for ds1685_rtc

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Date:   Mon, 31 Jul 2023 11:08:41 -0400
From:   Joshua Kinard <kumba@...too.org>
To:     Christoph Hellwig <hch@....de>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Yangbo Lu <yangbo.lu@....com>
Cc:     Daniel Vetter <daniel.vetter@...ll.ch>,
        linux-arm-kernel@...ts.infradead.org,
        open list <linux-kernel@...r.kernel.org>,
        linux-mmc@...r.kernel.org, netdev@...r.kernel.org,
        linux-rtc@...r.kernel.org, linux-modules@...r.kernel.org
Subject: Re: [PATCH 3/5] rtc: ds1685: use EXPORT_SYMBOL_GPL for
 ds1685_rtc_poweroff

On 7/31/2023 04:38, Christoph Hellwig wrote:
> ds1685_rtc_poweroff is only used externally via symbol_get, which was
> only ever intended for very internal symbols like this one.  Use
> EXPORT_SYMBOL_GPL for it so that symbol_get can enforce only being used
> on EXPORT_SYMBOL_GPL symbols.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>
> ---
>   drivers/rtc/rtc-ds1685.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/rtc/rtc-ds1685.c b/drivers/rtc/rtc-ds1685.c
> index 0f707be0eb87fa..04dbf35cf3b706 100644
> --- a/drivers/rtc/rtc-ds1685.c
> +++ b/drivers/rtc/rtc-ds1685.c
> @@ -1432,7 +1432,7 @@ ds1685_rtc_poweroff(struct platform_device *pdev)
>   		unreachable();
>   	}
>   }
> -EXPORT_SYMBOL(ds1685_rtc_poweroff);
> +EXPORT_SYMBOL_GPL(ds1685_rtc_poweroff);
>   /* ----------------------------------------------------------------------- */
>   
>   

Acked-by: Joshua Kinard <kumba@...too.org>