Blackfin: add support for irqflags tracing

Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/arch/blackfin/mach-common/interrupt.S b/arch/blackfin/mach-common/interrupt.S
index df984960cf90..0a0c088ead8c 100644
--- a/arch/blackfin/mach-common/interrupt.S
+++ b/arch/blackfin/mach-common/interrupt.S
@@ -88,6 +88,13 @@ __common_int_entry:
 #else
         cli r1;
 #endif
+#ifdef CONFIG_TRACE_IRQFLAGS
+        [--sp] = r0;
+        sp += -12;
+        call _trace_hardirqs_off;
+        sp += 12;
+        r0 = [sp++];
+#endif
         [--sp] = RETI;  /* orig_pc */
         /* Clear all L registers.  */
         r1 = 0 (x);