[coreboot-gerrit] Change in coreboot[master]: timer: Add helper function stopwatch_wait_until_expired

[Jonathan Neuschäfer (Code Review)]

Jonathan Neuschäfer has uploaded this change for review. ( https://review.coreboot.org/21589

Change subject: timer: Add helper function stopwatch_wait_until_expired
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timer: Add helper function stopwatch_wait_until_expired

Change-Id: Ia888907028d687e3d17e5a088657086a3c839ad3
Signed-off-by: Jonathan Neuschäfer 
---
M src/include/timer.h
1 file changed, 9 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/89/21589/1

diff --git a/src/include/timer.h b/src/include/timer.h
index 6b7baaf..7264250 100644
--- a/src/include/timer.h
+++ b/src/include/timer.h
@@ -166,6 +166,15 @@
 }

/*
+ * Tick and check the stopwatch as long as it has not expired.
+ */
+static inline void stopwatch_wait_until_expired(struct stopwatch *sw)
+{
+	while (stopwatch_expired(sw))
+		;
+}
+
+/*
  * Return number of microseconds since starting the stopwatch.
  */
 static inline long stopwatch_duration_usecs(struct stopwatch *sw)