rtc: sirfsoc: switch to rtc_time64_to_tm/rtc_tm_to_time64
authorAlexandre Belloni <alexandre.belloni@bootlin.com>
Thu, 5 Mar 2020 16:04:52 +0000 (17:04 +0100)
committerAlexandre Belloni <alexandre.belloni@bootlin.com>
Mon, 16 Mar 2020 10:12:09 +0000 (11:12 +0100)
Call the 64bit versions of rtc_tm time conversion to avoid the y2106 issue.

Link: https://lore.kernel.org/r/20200305160452.27808-3-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
drivers/rtc/rtc-sirfsoc.c

index 8b3c88fb979305f3d8d6f2c7d05b96f62036b0a2..abf19435dbad0bb14b21467783da2467a828174d 100644 (file)
@@ -90,13 +90,13 @@ static int sirfsoc_rtc_read_alarm(struct device *dev,
         */
        /* if alarm is in next overflow cycle */
        if (rtc_count > rtc_alarm)
-               rtc_time_to_tm((rtcdrv->overflow_rtc + 1)
-                               << (BITS_PER_LONG - RTC_SHIFT)
-                               | rtc_alarm >> RTC_SHIFT, &(alrm->time));
+               rtc_time64_to_tm((rtcdrv->overflow_rtc + 1)
+                                << (BITS_PER_LONG - RTC_SHIFT)
+                                | rtc_alarm >> RTC_SHIFT, &alrm->time);
        else
-               rtc_time_to_tm(rtcdrv->overflow_rtc
-                               << (BITS_PER_LONG - RTC_SHIFT)
-                               | rtc_alarm >> RTC_SHIFT, &(alrm->time));
+               rtc_time64_to_tm(rtcdrv->overflow_rtc
+                                << (BITS_PER_LONG - RTC_SHIFT)
+                                | rtc_alarm >> RTC_SHIFT, &alrm->time);
        if (sirfsoc_rtc_readl(rtcdrv, RTC_STATUS) & SIRFSOC_RTC_AL0E)
                alrm->enabled = 1;
 
@@ -113,7 +113,7 @@ static int sirfsoc_rtc_set_alarm(struct device *dev,
        rtcdrv = dev_get_drvdata(dev);
 
        if (alrm->enabled) {
-               rtc_tm_to_time(&(alrm->time), &rtc_alarm);
+               rtc_alarm = rtc_tm_to_time64(&alrm->time);
 
                spin_lock_irq(&rtcdrv->lock);
 
@@ -181,8 +181,8 @@ static int sirfsoc_rtc_read_time(struct device *dev,
                cpu_relax();
        } while (tmp_rtc != sirfsoc_rtc_readl(rtcdrv, RTC_CN));
 
-       rtc_time_to_tm(rtcdrv->overflow_rtc << (BITS_PER_LONG - RTC_SHIFT) |
-                                       tmp_rtc >> RTC_SHIFT, tm);
+       rtc_time64_to_tm(rtcdrv->overflow_rtc << (BITS_PER_LONG - RTC_SHIFT)
+                        | tmp_rtc >> RTC_SHIFT, tm);
        return 0;
 }
 
@@ -193,7 +193,7 @@ static int sirfsoc_rtc_set_time(struct device *dev,
        struct sirfsoc_rtc_drv *rtcdrv;
        rtcdrv = dev_get_drvdata(dev);
 
-       rtc_tm_to_time(tm, &rtc_time);
+       rtc_time = rtc_tm_to_time64(tm);
 
        rtcdrv->overflow_rtc = rtc_time >> (BITS_PER_LONG - RTC_SHIFT);