test: debug: add unused attribute MACRO

Compiler attributes should be used to signify that an unused argument is
intentionally unused

Signed-off-by: Mike Holmes <mike.holmes@linaro.org>
Reviewed-by: Bill Fischofer <bill.fischofer@linaro.org>
Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/test/test_debug.h b/test/test_debug.h
index 7acfe1608..aec0977d1 100644
--- a/test/test_debug.h
+++ b/test/test_debug.h
@@ -81,6 +81,11 @@ do { \
  * @}
  */
 
+/**
+ * Mark intentionally unused argument for functions
+ */
+#define TEST_UNUSED     __attribute__((__unused__))
+
 #ifdef __cplusplus
 }
 #endif