Revert "ANDROID: PM / Suspend: Print wall time at suspend entry and exit"

This reverts commit a74944c.

Spams the logs, we'll apply a time offset instead.

Signed-off-by: Danny Lin <danny@kdrag0n.dev>
Signed-off-by: Fiqri Ardyansyah <fiqri15072019@gmail.com>
Signed-off-by: Forenche <prahul2003@gmail.com>
Signed-off-by: Cyber Knight <cyberknight755@gmail.com>

Author: kdrag0n

kernel/power/suspend.c

@@ -28,7 +28,6 @@
 #include <linux/suspend.h>
 #include <linux/syscore_ops.h>
 #include <linux/ftrace.h>
-#include <linux/rtc.h>
 #include <trace/events/power.h>
 #include <linux/compiler.h>
 #include <linux/moduleparam.h>
@@ -606,18 +605,6 @@ static int enter_state(suspend_state_t state)
 	return error;
 }
 
-static void pm_suspend_marker(char *annotation)
-{
-	struct timespec ts;
-	struct rtc_time tm;
-
-	getnstimeofday(&ts);
-	rtc_time_to_tm(ts.tv_sec, &tm);
-	pr_info("PM: suspend %s %d-%02d-%02d %02d:%02d:%02d.%09lu UTC\n",
-		annotation, tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
-		tm.tm_hour, tm.tm_min, tm.tm_sec, ts.tv_nsec);
-}
-
 /**
  * pm_suspend - Externally visible function for suspending the system.
  * @state: System sleep state to enter.
@@ -632,7 +619,6 @@ int pm_suspend(suspend_state_t state)
 	if (state <= PM_SUSPEND_ON || state >= PM_SUSPEND_MAX)
 		return -EINVAL;
 
-	pm_suspend_marker("entry");
 	pr_info("suspend entry (%s)\n", mem_sleep_labels[state]);
 	error = enter_state(state);
 	if (error) {
@@ -641,7 +627,6 @@ int pm_suspend(suspend_state_t state)
 	} else {
 		suspend_stats.success++;
 	}
-	pm_suspend_marker("exit");
 	pr_info("suspend exit\n");
 	measure_wake_up_time();
 	return error;