fb: move and rename extern declaration for global_mode_option

Move the extern declaration for global_mode_option to <linux/fb.h> and rename
the variable to fb_mode_option.

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/video/fbmem.c

@@ -1567,8 +1567,6 @@ int fb_new_modelist(struct fb_info *info)
 static char *video_options[FB_MAX] __read_mostly;
 static int ofonly __read_mostly;
 
-extern const char *global_mode_option;
-
 /**
  * fb_get_options - get kernel boot parameters
  * @name:   framebuffer name as it would appear in
@@ -1636,7 +1634,7 @@ static int __init video_setup(char *options)
  	}
 
  	if (!global && !strstr(options, "fb:")) {
- 		global_mode_option = options;
+ 		fb_mode_option = options;
  		global = 1;
  	}
 

drivers/video/modedb.c

@@ -27,7 +27,7 @@
 #define DPRINTK(fmt, args...)
 #endif
 
-const char *global_mode_option;
+const char *fb_mode_option;
 
     /*
      *  Standard video mode definitions (taken from XFree86)
@@ -510,7 +510,7 @@ int fb_find_mode(struct fb_var_screeninfo *var,
 	default_bpp = 8;
 
     /* Did the user specify a video mode? */
-    if (mode_option || (mode_option = global_mode_option)) {
+    if (mode_option || (mode_option = fb_mode_option)) {
 	const char *name = mode_option;
 	unsigned int namelen = strlen(name);
 	int res_specified = 0, bpp_specified = 0, refresh_specified = 0;

include/linux/fb.h

@@ -1056,6 +1056,7 @@ struct fb_videomode {
 	u32 flag;
 };
 
+extern const char *fb_mode_option;
 extern const struct fb_videomode vesa_modes[];
 
 struct fb_modelist {