[33/51] rtc: pl030: stop using rtc deprecated functions

Message ID 1497951359-13334-34-git-send-email-benjamin.gaignard@linaro.org
State New
Headers show
Series
  • rtc: stop using rtc deprecated functions
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Commit Message

Benjamin Gaignard June 20, 2017, 9:35 a.m.
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@linaro.org>

CC: Alessandro Zummo <a.zummo@towertech.it>
CC: Alexandre Belloni <alexandre.belloni@free-electrons.com>
CC: rtc-linux@googlegroups.com
CC: linux-kernel@vger.kernel.org
---
 drivers/rtc/rtc-pl030.c | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

-- 
1.9.1

Patch

diff --git a/drivers/rtc/rtc-pl030.c b/drivers/rtc/rtc-pl030.c
index f85a1a9..c917051 100644
--- a/drivers/rtc/rtc-pl030.c
+++ b/drivers/rtc/rtc-pl030.c
@@ -39,24 +39,26 @@  static int pl030_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
 {
 	struct pl030_rtc *rtc = dev_get_drvdata(dev);
 
-	rtc_time_to_tm(readl(rtc->base + RTC_MR), &alrm->time);
+	rtc_time64_to_tm(readl(rtc->base + RTC_MR), &alrm->time);
 	return 0;
 }
 
 static int pl030_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
 {
 	struct pl030_rtc *rtc = dev_get_drvdata(dev);
-	unsigned long time;
+	unsigned long long time;
 	int ret;
 
 	/*
 	 * At the moment, we can only deal with non-wildcarded alarm times.
 	 */
 	ret = rtc_valid_tm(&alrm->time);
-	if (ret == 0)
-		ret = rtc_tm_to_time(&alrm->time, &time);
-	if (ret == 0)
-		writel(time, rtc->base + RTC_MR);
+	if (ret)
+		return ret;
+
+	time = rtc_tm_to_time64(&alrm->time);
+	writel(time, rtc->base + RTC_MR);
+
 	return ret;
 }
 
@@ -64,7 +66,7 @@  static int pl030_read_time(struct device *dev, struct rtc_time *tm)
 {
 	struct pl030_rtc *rtc = dev_get_drvdata(dev);
 
-	rtc_time_to_tm(readl(rtc->base + RTC_DR), tm);
+	rtc_time64_to_tm(readl(rtc->base + RTC_DR), tm);
 
 	return 0;
 }
@@ -81,13 +83,11 @@  static int pl030_set_time(struct device *dev, struct rtc_time *tm)
 {
 	struct pl030_rtc *rtc = dev_get_drvdata(dev);
 	unsigned long time;
-	int ret;
 
-	ret = rtc_tm_to_time(tm, &time);
-	if (ret == 0)
-		writel(time + 1, rtc->base + RTC_LR);
+	time = rtc_tm_to_time64(tm);
+	writel(time + 1, rtc->base + RTC_LR);
 
-	return ret;
+	return 0;
 }
 
 static const struct rtc_class_ops pl030_ops = {