linux-kernel - Re: [PATCH] drm/rockchip: mark symbols static where possible

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Message-ID: <57D37716.5000902@rock-chips.com>
Date:   Sat, 10 Sep 2016 10:59:34 +0800
From:   Mark yao <mark.yao@...k-chips.com>
To:     Baoyou Xie <baoyou.xie@...aro.org>, airlied@...ux.ie,
        heiko@...ech.de
Cc:     dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        arnd@...db.de, xie.baoyou@....com.cn
Subject: Re: [PATCH] drm/rockchip: mark symbols static where possible

On 2016年09月07日 19:01, Baoyou Xie wrote:
> We get 2 warnings when building kernel with W=1:
> drivers/gpu/drm/rockchip/rockchip_drm_drv.c:309:6: warning: no previous prototype for 'rockchip_drm_fb_suspend' [-Wmissing-prototypes]
> drivers/gpu/drm/rockchip/rockchip_drm_drv.c:318:6: warning: no previous prototype for 'rockchip_drm_fb_resume' [-Wmissing-prototypes]
>
> In fact, these functions are only used in the file in which they are
> declared and don't need a declaration, but can be made static.
> So this patch marks these functions with 'static'.
>
> Signed-off-by: Baoyou Xie <baoyou.xie@...aro.org>
> ---
>   drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)

Applied to my drm-fixes, Thanks

> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
> index a822d49..3723683 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
> @@ -306,7 +306,7 @@ static struct drm_driver rockchip_drm_driver = {
>   };
>   
>   #ifdef CONFIG_PM_SLEEP
> -void rockchip_drm_fb_suspend(struct drm_device *drm)
> +static void rockchip_drm_fb_suspend(struct drm_device *drm)
>   {
>   	struct rockchip_drm_private *priv = drm->dev_private;
>   
> @@ -315,7 +315,7 @@ void rockchip_drm_fb_suspend(struct drm_device *drm)
>   	console_unlock();
>   }
>   
> -void rockchip_drm_fb_resume(struct drm_device *drm)
> +static void rockchip_drm_fb_resume(struct drm_device *drm)
>   {
>   	struct rockchip_drm_private *priv = drm->dev_private;
>   


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