1 files changed, 4 insertions, 2 deletions
diff --git a/tools/testing/selftests/breakpoints/step_after_suspend_test.c b/tools/testing/selftests/breakpoints/step_after_suspend_test.c
index b8703c499d28..8d275f03e977 100644
--- a/tools/testing/selftests/breakpoints/step_after_suspend_test.c
+++ b/tools/testing/selftests/breakpoints/step_after_suspend_test.c
@@ -130,7 +130,6 @@ int run_test(int cpu)
 void suspend(void)
 {
 	int power_state_fd;
-	struct sigevent event = {};
 	int timerfd;
 	int err;
 	struct itimerspec spec = {};
@@ -153,7 +152,10 @@ void suspend(void)
 	if (err < 0)
 		ksft_exit_fail_msg("timerfd_settime() failed\n");
 
-	if (write(power_state_fd, "mem", strlen("mem")) != strlen("mem"))
+	system("(echo mem > /sys/power/state) 2> /dev/null");
+
+	timerfd_gettime(timerfd, &spec);
+	if (spec.it_value.tv_sec != 0 || spec.it_value.tv_nsec != 0)
 		ksft_exit_fail_msg("Failed to enter Suspend state\n");
 
 	close(timerfd);