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.

Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index 5ab13fe..6269559 100644 (file)
--- 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) {