commit e8343251f54f54e46c927da852dca9b63a2a016b
author Greg Kaiser <gkaiser@google.com> Mon Aug 08 10:02:03 2016 -0700
committer Greg Kaiser <gkaiser@google.com> Mon Aug 08 13:57:40 2016 -0700
tree 10a9942714e3702eb6c8f34e2340db4318924aa0
parent e7ade1f3b920faf1fd46e271a6875f0cf7c1ec53

modules/local_time: Silence compiler warning.

Change-Id: If1fe4fcdf38171c696498d7a3d74d4a1fbb7b706

modules/local_time/local_time_hw.c

diff --git a/modules/local_time/local_time_hw.c b/modules/local_time/local_time_hw.c
index ac597f4..899c38a 100644
--- a/modules/local_time/local_time_hw.c
+++ b/modules/local_time/local_time_hw.c
@@ -28,6 +28,9 @@
 #include <hardware/hardware.h>
 #include <hardware/local_time_hal.h>
 
+// We only support gcc and clang, both of which support this attribute.
+#define UNUSED_ARGUMENT __attribute((unused))
+
 struct stub_local_time_device {
     struct local_time_hw_device device;
 };
@@ -51,7 +54,8 @@
     return (int64_t)now;
 }
 
-static uint64_t ltdev_get_local_freq(struct local_time_hw_device* dev)
+static uint64_t ltdev_get_local_freq(
+        struct local_time_hw_device* dev UNUSED_ARGUMENT)
 {
     // For better or worse, linux clock_gettime routines normalize all clock
     // frequencies to 1GHz