linux-kernel - [PATCH 4/6] rtc: at91sam9: switch to rtc_time64_to_tm/rtc_tm_to

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Date:   Wed, 20 Mar 2019 13:40:40 +0100
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     linux-rtc@...r.kernel.org
Cc:     Nicolas Ferre <nicolas.ferre@...rochip.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: [PATCH 4/6] rtc: at91sam9: switch to rtc_time64_to_tm/rtc_tm_to_time64

Call the 64bit versions of rtc_tm time conversion as the range is enforced
by the core.

Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
---
 drivers/rtc/rtc-at91sam9.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index 5ab13fe56164..62695596b00c 100644
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -122,7 +122,7 @@ static int at91_rtc_readtime(struct device *dev, struct rtc_time *tm)
 	if (secs != secs2)
 		secs = rtt_readl(rtc, VR);
 
-	rtc_time_to_tm(offset + secs, tm);
+	rtc_time64_to_tm(offset + secs, tm);
 
 	dev_dbg(dev, "%s: %ptR\n", __func__, tm);
 
@@ -135,15 +135,12 @@ static int at91_rtc_readtime(struct device *dev, struct rtc_time *tm)
 static int at91_rtc_settime(struct device *dev, struct rtc_time *tm)
 {
 	struct sam9_rtc *rtc = dev_get_drvdata(dev);
-	int err;
 	u32 offset, alarm, mr;
 	unsigned long secs;
 
 	dev_dbg(dev, "%s: %ptR\n", __func__, tm);
 
-	err = rtc_tm_to_time(tm, &secs);
-	if (err != 0)
-		return err;
+	secs = rtc_tm_to_time64(tm);
 
 	mr = rtt_readl(rtc, MR);
 
@@ -193,7 +190,7 @@ static int at91_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
 
 	memset(alrm, 0, sizeof(*alrm));
 	if (alarm != ALARM_DISABLED && offset != 0) {
-		rtc_time_to_tm(offset + alarm, tm);
+		rtc_time64_to_tm(offset + alarm, tm);
 
 		dev_dbg(dev, "%s: %ptR\n", __func__, tm);
 
@@ -211,11 +208,8 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
 	unsigned long secs;
 	u32 offset;
 	u32 mr;
-	int err;
 
-	err = rtc_tm_to_time(tm, &secs);
-	if (err != 0)
-		return err;
+	secs = rtc_tm_to_time64(tm);
 
 	offset = gpbr_readl(rtc);
 	if (offset == 0) {
-- 
2.20.1