linux-kernel - Re: [PATCH] drm/tidss: Fix warning: unused variable 'tidss_pm

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Date:   Mon, 29 Nov 2021 13:13:23 +0200
From:   Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
To:     Cai Huoqing <caihuoqing@...du.com>
Cc:     Jyri Sarha <jyri.sarha@....fi>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/tidss: Fix warning: unused variable 'tidss_pm_ops'

On 29/11/2021 08:33, Cai Huoqing wrote:
> Mark 'tidss_pm_ops' as __maybe_unused to avoid
> the warning: unused variable 'tidss_pm_ops'
> 
> Fixes: 6e120594631f ("drm/tidss: Make use of the helper macro SET_RUNTIME_PM_OPS()")
> Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
> ---
>   drivers/gpu/drm/tidss/tidss_drv.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/tidss/tidss_drv.c b/drivers/gpu/drm/tidss/tidss_drv.c
> index 4366b5c798e0..7c784e90e40e 100644
> --- a/drivers/gpu/drm/tidss/tidss_drv.c
> +++ b/drivers/gpu/drm/tidss/tidss_drv.c
> @@ -88,7 +88,7 @@ static int __maybe_unused tidss_resume(struct device *dev)
>   	return drm_mode_config_helper_resume(&tidss->ddev);
>   }
>   
> -static const struct dev_pm_ops tidss_pm_ops = {
> +static __maybe_unused const struct dev_pm_ops tidss_pm_ops = {
>   	SET_SYSTEM_SLEEP_PM_OPS(tidss_suspend, tidss_resume)
>   	SET_RUNTIME_PM_OPS(tidss_pm_runtime_suspend, tidss_pm_runtime_resume, NULL)
>   };

Thanks, I'll push to drm-misc-next.

  Tomi