[SPARC]: Implement fb_is_primary_device().

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 9 insertions, 0 deletions

diff --git a/include/asm-sparc/fb.h b/include/asm-sparc/fb.h
index c7df38030992..c73ca081e1f5 100644
--- a/include/asm-sparc/fb.h
+++ b/include/asm-sparc/fb.h
@@ -1,11 +1,20 @@
 #ifndef _ASM_FB_H_
 #define _ASM_FB_H_
 #include <linux/fb.h>
+#include <asm/prom.h>
 
 #define fb_pgprotect(...) do {} while (0)
 
 static inline int fb_is_primary_device(struct fb_info *info)
 {
+        struct device *dev = info->device;
+        struct device_node *node;
+
+        node = dev->archdata.prom_node;
+        if (node &&
+            node == of_console_device)
+                return 1;
+
         return 0;
 }