Blackfin: add support for dynamic ftrace

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/arch/blackfin/include/asm/ftrace.h b/arch/blackfin/include/asm/ftrace.h
index 4cfe2d9ba7e8..8a029505d7b7 100644
--- a/arch/blackfin/include/asm/ftrace.h
+++ b/arch/blackfin/include/asm/ftrace.h
@@ -12,6 +12,22 @@
 
 #ifndef __ASSEMBLY__
 
+#ifdef CONFIG_DYNAMIC_FTRACE
+
+extern void _mcount(void);
+#define MCOUNT_ADDR ((unsigned long)_mcount)
+
+static inline unsigned long ftrace_call_adjust(unsigned long addr)
+{
+        return addr;
+}
+
+struct dyn_arch_ftrace {
+        /* No extra data needed for Blackfin */
+};
+
+#endif
+
 #ifdef CONFIG_FRAME_POINTER
 #include <linux/mm.h>