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| author | Paul Mundt <lethal@linux-sh.org> | 2009-02-12 17:27:56 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-02-12 17:27:56 +0900 |
| commit | 41480ae7a383dcffa497decdd97b3cb2caaa18ec (patch) | |
| tree | f1e3afce2cbd0bbc544cd86a73e5b3093eb081c4 /include/linux/fb.h | |
| parent | 508eb2ce222053e51e2243b7add8eeac85b1d250 (diff) | |
| parent | 34aeb43e2d3800f4d8f96feb9f1b49cd506679d5 (diff) | |
| download | cachepc-linux-41480ae7a383dcffa497decdd97b3cb2caaa18ec.tar.gz cachepc-linux-41480ae7a383dcffa497decdd97b3cb2caaa18ec.zip | |
Merge branch 'sh/stable-updates'
Diffstat (limited to 'include/linux/fb.h')
| -rw-r--r-- | include/linux/fb.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/fb.h b/include/linux/fb.h index 818fe21257e8..31527e17076b 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -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) { |