[PATCH v2 21/21] PM: Switch to use %ptR

[Andy Shevchenko <andriy.shevchenko@linux.intel.com>]

Use %ptR instead of open coded variant to print content of
struct rtc_time in human readable format.

Cc: linux-pm@vger.kernel.org
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/base/power/trace.c | 4 +---
 kernel/power/Kconfig       | 1 +
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/base/power/trace.c b/drivers/base/power/trace.c
index 1cda505d6a85..b11f47a1e819 100644
--- a/drivers/base/power/trace.c
+++ b/drivers/base/power/trace.c
@@ -118,9 +118,7 @@ static unsigned int read_magic_time(void)
 	unsigned int val;
 
 	mc146818_get_time(&time);
-	pr_info("RTC time: %2d:%02d:%02d, date: %02d/%02d/%02d\n",
-		time.tm_hour, time.tm_min, time.tm_sec,
-		time.tm_mon + 1, time.tm_mday, time.tm_year % 100);
+	pr_info("RTC time: %ptRt, date: %ptRd\n", &time, &time);
 	val = time.tm_year;				/* 100 years */
 	if (val > 100)
 		val -= 100;
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index e880ca22c5a5..f73cecd3b75f 100644
--- a/kernel/power/Kconfig
+++ b/kernel/power/Kconfig
@@ -220,6 +220,7 @@ config PM_TRACE_RTC
 	depends on PM_SLEEP_DEBUG
 	depends on X86
 	select PM_TRACE
+	select PRINTK_PEXT_TIMEDATE
 	---help---
 	This enables some cheesy code to save the last PM event point in the
 	RTC across reboots, so that you can debug a machine that just hangs
-- 
2.15.1