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-rw-r--r--payloads/libpayload/include/stddef.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/payloads/libpayload/include/stddef.h b/payloads/libpayload/include/stddef.h
index 3288487fbc..4e41eedfe8 100644
--- a/payloads/libpayload/include/stddef.h
+++ b/payloads/libpayload/include/stddef.h
@@ -28,3 +28,7 @@ typedef __SIZE_TYPE__ ssize_t;
#define KHz (1000)
#define MHz (1000*KHz)
#define GHz (1000*MHz)
+
+#define USECS_PER_SEC 1000000
+#define MSECS_PER_SEC 1000
+#define USECS_PER_MSEC (USECS_PER_SEC / MSECS_PER_SEC)