Re: [PATCH] fbdev: Make registered_fb[] private to fbmem.c

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On 7/25/22 09:54, Javier Martinez Canillas wrote:
> From: Daniel Vetter <daniel.vetter@xxxxxxxx>
>
> No driver access this anymore, except for the olpc dcon fbdev driver but
> that has been marked as broken anyways by commit de0952f267ff ("staging:
> olpc_dcon: mark driver as broken").
>
> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Reviewed-by: Javier Martinez Canillas <javierm@xxxxxxxxxx>
> Signed-off-by: Javier Martinez Canillas <javierm@xxxxxxxxxx>

I've applied it to the fbdev git tree.

Thanks!
Helge

> ---
>
>  drivers/video/fbdev/core/fbmem.c | 6 +++---
>  include/linux/fb.h               | 6 ------
>  2 files changed, 3 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
> index 6ae1c5fa19f9..1e70d8c67653 100644
> --- a/drivers/video/fbdev/core/fbmem.c
> +++ b/drivers/video/fbdev/core/fbmem.c
> @@ -51,10 +51,10 @@
>  static DEFINE_MUTEX(registration_lock);
>
>  struct fb_info *registered_fb[FB_MAX] __read_mostly;
> -EXPORT_SYMBOL(registered_fb);
> -
>  int num_registered_fb __read_mostly;
> -EXPORT_SYMBOL(num_registered_fb);
> +#define for_each_registered_fb(i)		\
> +	for (i = 0; i < FB_MAX; i++)		\
> +		if (!registered_fb[i]) {} else
>
>  bool fb_center_logo __read_mostly;
>
> diff --git a/include/linux/fb.h b/include/linux/fb.h
> index 453c3b2b6b8e..0aff76bcbb00 100644
> --- a/include/linux/fb.h
> +++ b/include/linux/fb.h
> @@ -627,16 +627,10 @@ extern int fb_get_color_depth(struct fb_var_screeninfo *var,
>  extern int fb_get_options(const char *name, char **option);
>  extern int fb_new_modelist(struct fb_info *info);
>
> -extern struct fb_info *registered_fb[FB_MAX];
> -extern int num_registered_fb;
>  extern bool fb_center_logo;
>  extern int fb_logo_count;
>  extern struct class *fb_class;
>
> -#define for_each_registered_fb(i)		\
> -	for (i = 0; i < FB_MAX; i++)		\
> -		if (!registered_fb[i]) {} else
> -
>  static inline void lock_fb_info(struct fb_info *info)
>  {
>  	mutex_lock(&info->lock);






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