[v2,01/15] fbdev: Export fb_check_foreignness()

Commit Message

Thomas Zimmermann Oct. 14, 2019, 2:04 p.m. UTC

This function is required by DRM's fbdev conversion helpers. Export it
from the module.

Signed-off-by: Thomas Zimmermann <[e-mail]>
---
 drivers/video/fbdev/core/fbmem.c | 3 ++-
 include/linux/fb.h               | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

Patch

diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index 95c32952fa8a..e828fcccce40 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -1481,7 +1481,7 @@  static const struct file_operations fb_fops = {
 struct class *fb_class;
 EXPORT_SYMBOL(fb_class);
 
-static int fb_check_foreignness(struct fb_info *fi)
+int fb_check_foreignness(struct fb_info *fi)
 {
 	const bool foreign_endian = fi->flags & FBINFO_FOREIGN_ENDIAN;
 
@@ -1505,6 +1505,7 @@  static int fb_check_foreignness(struct fb_info *fi)
 
 	return 0;
 }
+EXPORT_SYMBOL(fb_check_foreignness);
 
 static bool apertures_overlap(struct aperture *gen, struct aperture *hw)
 {
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 41e0069eca0a..372f1f6ae42e 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -622,6 +622,7 @@  extern int fb_get_color_depth(struct fb_var_screeninfo *var,
 			      struct fb_fix_screeninfo *fix);
 extern int fb_get_options(const char *name, char **option);
 extern int fb_new_modelist(struct fb_info *info);
+extern int fb_check_foreignness(struct fb_info *fi);
 
 extern struct fb_info *registered_fb[FB_MAX];
 extern int num_registered_fb;