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: Jason Cooper jason@lakedaemon.net CC: Gregory Clement gregory.clement@free-electrons.com CC: Sebastian Hesselbarth sebastian.hesselbarth@gmail.com 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-armada38x.c | 34 ++++++++++++++-------------------- 1 file changed, 14 insertions(+), 20 deletions(-)
diff --git a/drivers/rtc/rtc-armada38x.c b/drivers/rtc/rtc-armada38x.c index 21f355c..752ebf4 100644 --- a/drivers/rtc/rtc-armada38x.c +++ b/drivers/rtc/rtc-armada38x.c @@ -213,13 +213,14 @@ static void armada8k_unmask_interrupt(struct armada38x_rtc *rtc) static int armada38x_rtc_read_time(struct device *dev, struct rtc_time *tm) { struct armada38x_rtc *rtc = dev_get_drvdata(dev); - unsigned long time, flags; + unsigned long long time; + unsigned long flags;
spin_lock_irqsave(&rtc->lock, flags); time = rtc->data->read_rtc_reg(rtc, RTC_TIME); spin_unlock_irqrestore(&rtc->lock, flags);
- rtc_time_to_tm(time, tm); + rtc_time64_to_tm(time, tm);
return 0; } @@ -227,26 +228,23 @@ static int armada38x_rtc_read_time(struct device *dev, struct rtc_time *tm) static int armada38x_rtc_set_time(struct device *dev, struct rtc_time *tm) { struct armada38x_rtc *rtc = dev_get_drvdata(dev); - int ret = 0; - unsigned long time, flags; - - ret = rtc_tm_to_time(tm, &time); + unsigned long long time; + unsigned long flags;
- if (ret) - goto out; + time = rtc_tm_to_time64(tm);
spin_lock_irqsave(&rtc->lock, flags); rtc_delayed_write(time, rtc, RTC_TIME); spin_unlock_irqrestore(&rtc->lock, flags);
-out: - return ret; + return 0; }
static int armada38x_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) { struct armada38x_rtc *rtc = dev_get_drvdata(dev); - unsigned long time, flags; + unsigned long long time; + unsigned long flags; u32 reg = ALARM_REG(RTC_ALARM1, rtc->data->alarm); u32 reg_irq = ALARM_REG(RTC_IRQ1_CONF, rtc->data->alarm); u32 val; @@ -259,7 +257,7 @@ static int armada38x_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) spin_unlock_irqrestore(&rtc->lock, flags);
alrm->enabled = val ? 1 : 0; - rtc_time_to_tm(time, &alrm->time); + rtc_time64_to_tm(time, &alrm->time);
return 0; } @@ -269,13 +267,10 @@ static int armada38x_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) struct armada38x_rtc *rtc = dev_get_drvdata(dev); u32 reg = ALARM_REG(RTC_ALARM1, rtc->data->alarm); u32 reg_irq = ALARM_REG(RTC_IRQ1_CONF, rtc->data->alarm); - unsigned long time, flags; - int ret = 0; - - ret = rtc_tm_to_time(&alrm->time, &time); + unsigned long long time; + unsigned long flags;
- if (ret) - goto out; + time = rtc_tm_to_time64(&alrm->time);
spin_lock_irqsave(&rtc->lock, flags);
@@ -288,8 +283,7 @@ static int armada38x_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
spin_unlock_irqrestore(&rtc->lock, flags);
-out: - return ret; + return 0; }
static int armada38x_rtc_alarm_irq_enable(struct device *dev,