linux-kernel - [PATCH] PM / sleep: switch to rtc_time64_to_tm/rtc_tm_to

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Date:   Tue, 10 Dec 2019 18:05:40 +0100
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     "Rafael J . Wysocki" <rjw@...ysocki.net>
Cc:     Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: [PATCH] PM / sleep: switch to rtc_time64_to_tm/rtc_tm_to_time64

Call the 64bit versions of rtc_tm time conversion to avoid the y2038 issue.

Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
---
 kernel/power/suspend_test.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/power/suspend_test.c b/kernel/power/suspend_test.c
index 60564b58de07..e1ed58adb69e 100644
--- a/kernel/power/suspend_test.c
+++ b/kernel/power/suspend_test.c
@@ -70,7 +70,7 @@ static void __init test_wakealarm(struct rtc_device *rtc, suspend_state_t state)
 	static char info_test[] __initdata =
 		KERN_INFO "PM: test RTC wakeup from '%s' suspend\n";
 
-	unsigned long		now;
+	time64_t		now;
 	struct rtc_wkalrm	alm;
 	int			status;
 
@@ -81,10 +81,10 @@ static void __init test_wakealarm(struct rtc_device *rtc, suspend_state_t state)
 		printk(err_readtime, dev_name(&rtc->dev), status);
 		return;
 	}
-	rtc_tm_to_time(&alm.time, &now);
+	now = rtc_tm_to_time64(&alm.time);
 
 	memset(&alm, 0, sizeof alm);
-	rtc_time_to_tm(now + TEST_SUSPEND_SECONDS, &alm.time);
+	rtc_time64_to_tm(now + TEST_SUSPEND_SECONDS, &alm.time);
 	alm.enabled = true;
 
 	status = rtc_set_alarm(rtc, &alm);
-- 
2.23.0