libsync: open new location of sw_sync file am: ffc687baad

am: 86be7fd517 Change-Id: Ibb1067f0d91c1a7c54263251b458b1f25a14112f
2017-01-19 00:44:09 +00:00 · 2017-01-19 00:44:09 +00:00 · e3c169301a
parent f08b438edd 86be7fd517
commit e3c169301a
1 changed files with 7 additions and 1 deletions
--- a/libsync/sync.c
+++ b/libsync/sync.c
@ -101,7 +101,13 @@ void sync_fence_info_free(struct sync_fence_info_data *info)

 int sw_sync_timeline_create(void)
 {
-    return open("/dev/sw_sync", O_RDWR);
+    int ret;
+
+    ret = open("/sys/kernel/debug/sync/sw_sync", O_RDWR);
+    if (ret < 0)
+        ret = open("/dev/sw_sync", O_RDWR);
+
+    return ret;
 }

 int sw_sync_timeline_inc(int fd, unsigned count)