Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog

[linux-2.6-block.git] / include / linux / fb.h

diff --git a/include/linux/fb.h b/include/linux/fb.h
index 1ee63df5be92ee21e31fcd23648475ac00309ad6..31527e17076b7c8697dcf7fdeb9717d8dead779a 100644 (file)
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -1,7 +1,7 @@
 #ifndef _LINUX_FB_H
 #define _LINUX_FB_H
 
-#include <asm/types.h>
+#include <linux/types.h>
 #include <linux/i2c.h>
 
 struct dentry;
@@ -960,6 +960,21 @@ extern struct fb_info *registered_fb[FB_MAX];
 extern int num_registered_fb;
 extern struct class *fb_class;
 
+static inline int lock_fb_info(struct fb_info *info)
+{
+       mutex_lock(&info->lock);
+       if (!info->fbops) {
+               mutex_unlock(&info->lock);
+               return 0;
+       }
+       return 1;
+}
+
+static inline void unlock_fb_info(struct fb_info *info)
+{
+       mutex_unlock(&info->lock);
+}
+
 static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
                                           u8 *src, u32 s_pitch, u32 height)
 {