linux-kernel - [PATCH v2 01/22] x86: rtc: stop using rtc deprecated functions

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Message-Id: <1499846682-14093-2-git-send-email-benjamin.gaignard@linaro.org>
Date:   Wed, 12 Jul 2017 10:04:21 +0200
From:   Benjamin Gaignard <benjamin.gaignard@...aro.org>
To:     benjamin.gaignard@...aro.org
Cc:     linaro-kernel@...ts.linaro.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
        John Stultz <john.stultz@...aro.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 01/22] x86: rtc: stop using rtc deprecated functions

rtc_time_to_tm() and rtc_tm_to_time() are deprecated because they
rely on 32bits variables and that will make rtc break in y2038/2016.
Stop using those two functions to safer 64bits ones.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...aro.org>
CC: Thomas Gleixner <tglx@...utronix.de>
CC: Ingo Molnar <mingo@...hat.com>
CC: x86@...nel.org
CC: John Stultz <john.stultz@...aro.org>
CC: linux-kernel@...r.kernel.org
---
 arch/x86/kernel/rtc.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/rtc.c b/arch/x86/kernel/rtc.c
index 5b21cb7..76b817c 100644
--- a/arch/x86/kernel/rtc.c
+++ b/arch/x86/kernel/rtc.c
@@ -40,11 +40,11 @@
  */
 int mach_set_rtc_mmss(const struct timespec *now)
 {
-	unsigned long nowtime = now->tv_sec;
+	unsigned long long nowtime = now->tv_sec;
 	struct rtc_time tm;
 	int retval = 0;
 
-	rtc_time_to_tm(nowtime, &tm);
+	rtc_time64_to_tm(nowtime, &tm);
 	if (!rtc_valid_tm(&tm)) {
 		retval = mc146818_set_time(&tm);
 		if (retval)
@@ -52,7 +52,7 @@ int mach_set_rtc_mmss(const struct timespec *now)
 			       __func__, retval);
 	} else {
 		printk(KERN_ERR
-		       "%s: Invalid RTC value: write of %lx to RTC failed\n",
+		       "%s: Invalid RTC value: write of %llx to RTC failed\n",
 			__func__, nowtime);
 		retval = -EINVAL;
 	}
-- 
1.9.1