Re: [PATCH] drm/ttm/ttm_bo: make ttm_bo_glob_use_count static

["Christian König" <christian.koenig@amd.com>]

Am 23.02.21 um 09:54 schrieb Jiapeng Chong:
> Fix the following sparse warning:
>
> drivers/gpu/drm/ttm/ttm_bo.c:53:10: warning: symbol
> 'ttm_bo_glob_use_count' was not declared. Should it be static?

IIRC we already have a patch for this on the mailing list and the mutex 
can be static as well.

Christian.

>
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
> ---
>   drivers/gpu/drm/ttm/ttm_bo.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
> index b65f4b1..107dd13 100644
> --- a/drivers/gpu/drm/ttm/ttm_bo.c
> +++ b/drivers/gpu/drm/ttm/ttm_bo.c
> @@ -50,7 +50,7 @@
>    * ttm_global_mutex - protecting the global BO state
>    */
>   DEFINE_MUTEX(ttm_global_mutex);
> -unsigned ttm_bo_glob_use_count;
> +static unsigned ttm_bo_glob_use_count;
>   struct ttm_bo_global ttm_bo_glob;
>   EXPORT_SYMBOL(ttm_bo_glob);
>