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Subject: Re: [PATCH -next] drm/rockchip: cdn-dp: Mark
 cdn_dp_core_suspend/resume __maybe_unused
To:     <hjc@rock-chips.com>, <heiko@sntech.de>, <airlied@linux.ie>,
        <daniel@ffwll.ch>
References: <20200811021225.50296-1-yuehaibing@huawei.com>
CC:     <dri-devel@lists.freedesktop.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-rockchip@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>
From:   Yuehaibing <yuehaibing@huawei.com>
Message-ID: <7b9799c6-96e2-2273-a296-ea1a94e4cade@huawei.com>
Date:   Thu, 10 Sep 2020 15:52:48 +0800
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ping...

On 2020/8/11 10:12, YueHaibing wrote:
> If CONFIG_PM is not set, gcc warns:
> 
> drivers/gpu/drm/rockchip/cdn-dp-core.c:1124:12:
>  warning: ‘cdn_dp_resume’ defined but not used [-Wunused-function]
> 
> Mark them __maybe_unused to fix this.
> 
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
> ---
>  drivers/gpu/drm/rockchip/cdn-dp-core.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c
> index a4a45daf93f2..413b0e90f10f 100644
> --- a/drivers/gpu/drm/rockchip/cdn-dp-core.c
> +++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c
> @@ -1107,7 +1107,7 @@ static const struct component_ops cdn_dp_component_ops = {
>  	.unbind = cdn_dp_unbind,
>  };
>  
> -static int cdn_dp_suspend(struct device *dev)
> +static __maybe_unused int cdn_dp_suspend(struct device *dev)
>  {
>  	struct cdn_dp_device *dp = dev_get_drvdata(dev);
>  	int ret = 0;
> @@ -1121,7 +1121,7 @@ static int cdn_dp_suspend(struct device *dev)
>  	return ret;
>  }
>  
> -static int cdn_dp_resume(struct device *dev)
> +static __maybe_unused int cdn_dp_resume(struct device *dev)
>  {
>  	struct cdn_dp_device *dp = dev_get_drvdata(dev);
>  
>