linux-kernel - [PATCH 40/51] rtc: snvs: stop using rtc deprecated functions

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Date:   Tue, 20 Jun 2017 11:35:48 +0200
From:   Benjamin Gaignard <benjamin.gaignard@...aro.org>
To:     benjamin.gaignard@...aro.org
Cc:     linaro-kernel@...ts.linaro.org,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
        rtc-linux@...glegroups.com, linux-kernel@...r.kernel.org
Subject: [PATCH 40/51] rtc: snvs: 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: Alessandro Zummo <a.zummo@...ertech.it>
CC: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
CC: rtc-linux@...glegroups.com
CC: linux-kernel@...r.kernel.org
---
 drivers/rtc/rtc-snvs.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/rtc/rtc-snvs.c b/drivers/rtc/rtc-snvs.c
index d8ef9e0..774048e 100644
--- a/drivers/rtc/rtc-snvs.c
+++ b/drivers/rtc/rtc-snvs.c
@@ -121,9 +121,9 @@ static int snvs_rtc_enable(struct snvs_rtc_data *data, bool enable)
 static int snvs_rtc_read_time(struct device *dev, struct rtc_time *tm)
 {
 	struct snvs_rtc_data *data = dev_get_drvdata(dev);
-	unsigned long time = rtc_read_lp_counter(data);
+	unsigned long long time = rtc_read_lp_counter(data);
 
-	rtc_time_to_tm(time, tm);
+	rtc_time64_to_tm(time, tm);
 
 	return 0;
 }
@@ -131,9 +131,9 @@ static int snvs_rtc_read_time(struct device *dev, struct rtc_time *tm)
 static int snvs_rtc_set_time(struct device *dev, struct rtc_time *tm)
 {
 	struct snvs_rtc_data *data = dev_get_drvdata(dev);
-	unsigned long time;
+	unsigned long long time;
 
-	rtc_tm_to_time(tm, &time);
+	time = rtc_tm_to_time64(tm);
 
 	/* Disable RTC first */
 	snvs_rtc_enable(data, false);
@@ -154,7 +154,7 @@ static int snvs_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
 	u32 lptar, lpsr;
 
 	regmap_read(data->regmap, data->offset + SNVS_LPTAR, &lptar);
-	rtc_time_to_tm(lptar, &alrm->time);
+	rtc_time64_to_tm((u64)lptar, &alrm->time);
 
 	regmap_read(data->regmap, data->offset + SNVS_LPSR, &lpsr);
 	alrm->pending = (lpsr & SNVS_LPSR_LPTA) ? 1 : 0;
@@ -179,9 +179,9 @@ static int snvs_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
 {
 	struct snvs_rtc_data *data = dev_get_drvdata(dev);
 	struct rtc_time *alrm_tm = &alrm->time;
-	unsigned long time;
+	unsigned long long time;
 
-	rtc_tm_to_time(alrm_tm, &time);
+	time = rtc_tm_to_time64(alrm_tm);
 
 	regmap_update_bits(data->regmap, data->offset + SNVS_LPCR, SNVS_LPCR_LPTA_EN, 0);
 	rtc_write_sync_lp(data);
-- 
1.9.1