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Subject[PATCH v3 04/11] fbdev: export get_fb_info()/put_fb_info()
Date
When adding other internal users of the framebuffer subsystem, we need a
way to get references to framebuffers. These two functions already exist
so export them.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
---
drivers/video/fbmem.c | 6 ++++--
include/linux/fb.h | 3 +++
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 0dff12a..1312ba2 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -46,7 +46,7 @@ static DEFINE_MUTEX(registration_lock);
struct fb_info *registered_fb[FB_MAX] __read_mostly;
int num_registered_fb __read_mostly;

-static struct fb_info *get_fb_info(unsigned int idx)
+struct fb_info *get_fb_info(unsigned int idx)
{
struct fb_info *fb_info;

@@ -61,14 +61,16 @@ static struct fb_info *get_fb_info(unsigned int idx)

return fb_info;
}
+EXPORT_SYMBOL_GPL(get_fb_info);

-static void put_fb_info(struct fb_info *fb_info)
+void put_fb_info(struct fb_info *fb_info)
{
if (!atomic_dec_and_test(&fb_info->count))
return;
if (fb_info->fbops->fb_destroy)
fb_info->fbops->fb_destroy(fb_info);
}
+EXPORT_SYMBOL_GPL(put_fb_info);

int lock_fb_info(struct fb_info *info)
{
diff --git a/include/linux/fb.h b/include/linux/fb.h
index ac3f1c6..2d51c0e 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -1033,6 +1033,9 @@ static inline void unlock_fb_info(struct fb_info *info)
mutex_unlock(&info->lock);
}

+extern struct fb_info *get_fb_info(unsigned int idx);
+extern void put_fb_info(struct fb_info *fb_info);
+
static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
u8 *src, u32 s_pitch, u32 height)
{
--
1.7.11.2


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