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

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Date:   Tue, 20 Feb 2018 23:44:00 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Rasmus Villemoes <rasmus.villemoes@...vas.dk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
        linux-rtc@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        Joe Perches <joe@...ches.com>,
        Mark Salyzyn <salyzyn@...roid.com>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-pm@...r.kernel.org
Subject: [PATCH v2 21/21] PM: Switch to use %ptR

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

Cc: linux-pm@...r.kernel.org
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.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