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

[Thomas Zimmermann <tzimmermann@suse.de>]

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Hi

Am 25.07.22 um 09:54 schrieb Javier Martinez Canillas:
> From: Daniel Vetter <daniel.vetter@ffwll.ch>
> 
> 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@intel.com>
> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>

Acked-by: Thomas Zimmermann <tzimmermann@suse.de>

Best regards
Thomas

> ---
> 
>   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);

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Ivo Totev

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