Merge branch 'master' of /home/davem/src/GIT/linux-2.6/

[safe/jmp/linux-2.6] / include / linux / fb.h

diff --git a/include/linux/fb.h b/include/linux/fb.h
index 531ccd5..31527e1 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;
@@ -808,6 +808,7 @@ struct fb_tile_ops {
 struct fb_info {
        int node;
        int flags;
+       struct mutex lock;              /* Lock for open/release/ioctl funcs */
        struct fb_var_screeninfo var;   /* Current var */
        struct fb_fix_screeninfo fix;   /* Current fix */
        struct fb_monspecs monspecs;    /* Current Monitor specs */
@@ -887,7 +888,7 @@ struct fb_info {
 #define fb_writeq sbus_writeq
 #define fb_memset sbus_memset_io
 
-#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || (defined(__sh__) && !defined(__SH5__)) || defined(__powerpc__) || defined(__avr32__)
+#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__avr32__)
 
 #define fb_readb __raw_readb
 #define fb_readw __raw_readw
@@ -959,6 +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)
 {