linux-kernel - Re: [PATCH v2] drm/drv: Remove initialization of static variables

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Date:   Tue, 10 Aug 2021 11:59:39 +0200
From:   Daniel Vetter <daniel@...ll.ch>
To:     zhaoxiao <zhaoxiao@...ontech.com>
Cc:     robdclark@...il.com, sean@...rly.run, airlied@...ux.ie,
        daniel@...ll.ch, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] drm/drv: Remove initialization of static variables

On Fri, Aug 06, 2021 at 10:30:47AM +0800, zhaoxiao wrote:
> Address the following checkpatch errors:
> ERROR: do not initialise statics to false
> 
> FILE: :drivers/gpu/drm/msm/msm_drv.c:21:
> -static bool reglog = false;
> 
> FILE: :drivers/gpu/drm/msm/msm_drv.c:31:
> -bool dumpstate = false;
> 
> Signed-off-by: zhaoxiao <zhaoxiao@...ontech.com>

Subject should start out with drm/msm, not drm/drv - that would indicate a
patch touching the drm_drv.c core files, or things related to that.
-Daniel

> ---
> v2: change the patch description 
>  drivers/gpu/drm/msm/msm_drv.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
> index 9b8fa2ad0d84..d9ca4bc9620b 100644
> --- a/drivers/gpu/drm/msm/msm_drv.c
> +++ b/drivers/gpu/drm/msm/msm_drv.c
> @@ -59,7 +59,7 @@ static const struct drm_mode_config_helper_funcs mode_config_helper_funcs = {
>  };
>  
>  #ifdef CONFIG_DRM_MSM_REGISTER_LOGGING
> -static bool reglog = false;
> +static bool reglog;
>  MODULE_PARM_DESC(reglog, "Enable register read/write logging");
>  module_param(reglog, bool, 0600);
>  #else
> @@ -76,7 +76,7 @@ static char *vram = "16m";
>  MODULE_PARM_DESC(vram, "Configure VRAM size (for devices without IOMMU/GPUMMU)");
>  module_param(vram, charp, 0);
>  
> -bool dumpstate = false;
> +bool dumpstate;
>  MODULE_PARM_DESC(dumpstate, "Dump KMS state on errors");
>  module_param(dumpstate, bool, 0600);
>  
> -- 
> 2.20.1
> 
> 
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch