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| author | Ingo Molnar <mingo@elte.hu> | 2009-03-17 18:21:20 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-17 18:21:20 +0300 |
| commit | 47239561e39bceefecc3cd67f71fcf86a198a8ff (patch) | |
| tree | 9823d0973494ea8acabb744bc3aba42b610fb434 /include/linux/fb.h | |
| parent | ed681a91ab805341675d166a9592551093c0a2d9 (diff) | |
| parent | 5bee17f18b595937e6beafeee5197868a3f74a06 (diff) | |
| download | linux-47239561e39bceefecc3cd67f71fcf86a198a8ff.tar.xz | |
Merge branch 'linus' into core/printk
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) { |