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authorAndrew Morton <akpm@linux-foundation.org>2009-03-31 22:25:19 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-01 15:59:29 (GMT)
commit6a7f2829b5f8be124e168265f176dbbbea8861a0 (patch)
treee900d09ba43d9a7248725287a7658fa85e041332 /drivers/video
parent66c1ca019078220dc1bf968f2bb18421100ef147 (diff)
fbdev: uninline lock_fb_info()
Before: text data bss dec hex filename 3648 2910 32 6590 19be drivers/video/backlight/backlight.o 3226 2812 32 6070 17b6 drivers/video/backlight/lcd.o 30990 16688 8480 56158 db5e drivers/video/console/fbcon.o 15488 8400 24 23912 5d68 drivers/video/fbmem.o After: text data bss dec hex filename 3537 2870 32 6439 1927 drivers/video/backlight/backlight.o 3131 2772 32 5935 172f drivers/video/backlight/lcd.o 30876 16648 8480 56004 dac4 drivers/video/console/fbcon.o 15506 8400 24 23930 5d7a drivers/video/fbmem.o Cc: Andrea Righi <righi.andrea@gmail.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/fbmem.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index b64f061..2ac32e6 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -46,6 +46,17 @@
struct fb_info *registered_fb[FB_MAX] __read_mostly;
int num_registered_fb __read_mostly;
+int lock_fb_info(struct fb_info *info)
+{
+ mutex_lock(&info->lock);
+ if (!info->fbops) {
+ mutex_unlock(&info->lock);
+ return 0;
+ }
+ return 1;
+}
+EXPORT_SYMBOL(lock_fb_info);
+
/*
* Helpers
*/

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