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-rw-r--r--kernel/power/main.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/power/main.c b/kernel/power/main.c
index 0828070d38b4..1d1bf630e6e9 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -530,6 +530,10 @@ pm_trace_store(struct kobject *kobj, struct kobj_attribute *attr,
if (sscanf(buf, "%d", &val) == 1) {
pm_trace_enabled = !!val;
+ if (pm_trace_enabled) {
+ pr_warn("PM: Enabling pm_trace changes system date and time during resume.\n"
+ "PM: Correct system time has to be restored manually after resume.\n");
+ }
return n;
}
return -EINVAL;