[Blackfin] arch: define our own BUG() so we can dump the blackfin hardware trace buffer

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

1 files changed, 13 insertions, 0 deletions

diff --git a/include/asm-blackfin/bug.h b/include/asm-blackfin/bug.h
index 41e53b29f167..6d3e11b1fc57 100644
--- a/include/asm-blackfin/bug.h
+++ b/include/asm-blackfin/bug.h
@@ -1,4 +1,17 @@
 #ifndef _BLACKFIN_BUG_H
 #define _BLACKFIN_BUG_H
+
+#ifdef CONFIG_BUG
+#define HAVE_ARCH_BUG
+
+#define BUG() do { \
+        dump_bfin_trace_buffer(); \
+        printk(KERN_EMERG "BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \
+        panic("BUG!"); \
+} while (0)
+
+#endif
+
 #include <asm-generic/bug.h>
+
 #endif