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Subject[PATCH] video: fbdev: omap: Add prototype for hwa742_update_window_async() to avoid build warning
The symbol hwa742_update_window_async() is exported, but there is no
prototype defined for it. That's why gcc complains:

drivers-video-fbdev-omap-hwa742.c:warning:no-previous-prototype-for-hwa742_update_window_async

Add the prototype, but I wonder if we couldn't drop exporting the symbol
instead. Since omapfb_update_window_async() is exported the same way,
are there any users outside of the tree?

Signed-off-by: Helge Deller <deller@gmx.de>

diff --git a/drivers/video/fbdev/omap/omapfb.h b/drivers/video/fbdev/omap/omapfb.h
index d930152c289c..0c753ccbc1c0 100644
--- a/drivers/video/fbdev/omap/omapfb.h
+++ b/drivers/video/fbdev/omap/omapfb.h
@@ -229,5 +229,9 @@ extern int omapfb_update_window_async(struct fb_info *fbi,
struct omapfb_update_window *win,
void (*callback)(void *),
void *callback_data);
+extern int hwa742_update_window_async(struct fb_info *fbi,
+ struct omapfb_update_window *win,
+ void (*callback)(void *),
+ void *callback_data);

#endif /* __OMAPFB_H */
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