Well except when the olpc dcon fbdev driver is enabled, that thing digs around in there in rather unfixable ways.
Cc oldc_dcon maintainers as fyi. Cc: Jens Frederich <jfreder...@gmail.com> Cc: Jon Nettleton <jon.nettle...@gmail.com> Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org> Cc: linux-stag...@lists.linux.dev Signed-off-by: Daniel Vetter <daniel.vet...@intel.com> Cc: Daniel Vetter <dan...@ffwll.ch> Cc: Helge Deller <del...@gmx.de> Cc: Matthew Wilcox <wi...@infradead.org> Cc: Sam Ravnborg <s...@ravnborg.org> Cc: Tetsuo Handa <penguin-ker...@i-love.sakura.ne.jp> Cc: Zhen Lei <thunder.leiz...@huawei.com> Cc: Alex Deucher <alexander.deuc...@amd.com> Cc: Xiyu Yang <xiyuyan...@fudan.edu.cn> Cc: linux-fb...@vger.kernel.org Cc: Zheyu Ma <zheyum...@gmail.com> Cc: Guenter Roeck <li...@roeck-us.net> --- drivers/video/fbdev/core/fbmem.c | 8 ++++++-- include/linux/fb.h | 7 +++---- 2 files changed, 9 insertions(+), 6 deletions(-) diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c index 904ef1250677..dad6572942fa 100644 --- a/drivers/video/fbdev/core/fbmem.c +++ b/drivers/video/fbdev/core/fbmem.c @@ -48,10 +48,14 @@ static DEFINE_MUTEX(registration_lock); struct fb_info *registered_fb[FB_MAX] __read_mostly; -EXPORT_SYMBOL(registered_fb); - int num_registered_fb __read_mostly; +#if IS_ENABLED(CONFIG_OLPC_DCON) +EXPORT_SYMBOL(registered_fb); EXPORT_SYMBOL(num_registered_fb); +#endif +#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 a8a00d2ba1f3..e236817502c2 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -622,16 +622,15 @@ 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); +#if IS_ENABLED(CONFIG_OLPC_DCON) extern struct fb_info *registered_fb[FB_MAX]; + extern int num_registered_fb; +#endif 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); -- 2.33.0