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Subject[PATCH 43/51] rtc: sun6i: stop using rtc deprecated functions
Date
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: Maxime Ripard <maxime.ripard@free-electrons.com>
CC: Chen-Yu Tsai <wens@csie.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
CC: linux-arm-kernel@lists.infradead.org
---
drivers/rtc/rtc-sun6i.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/rtc/rtc-sun6i.c b/drivers/rtc/rtc-sun6i.c
index 39cbc12..9928f74 100644
--- a/drivers/rtc/rtc-sun6i.c
+++ b/drivers/rtc/rtc-sun6i.c
@@ -120,7 +120,7 @@ struct sun6i_rtc_dev {
struct device *dev;
void __iomem *base;
int irq;
- unsigned long alarm;
+ unsigned long long alarm;

struct clk_hw hw;
struct clk_hw *int_osc;
@@ -342,7 +342,7 @@ static int sun6i_rtc_getalarm(struct device *dev, struct rtc_wkalrm *wkalrm)

wkalrm->enabled = !!(alrm_en & SUN6I_ALRM_EN_CNT_EN);
wkalrm->pending = !!(alrm_st & SUN6I_ALRM_EN_CNT_EN);
- rtc_time_to_tm(chip->alarm, &wkalrm->time);
+ rtc_time64_to_tm(chip->alarm, &wkalrm->time);

return 0;
}
@@ -352,9 +352,9 @@ static int sun6i_rtc_setalarm(struct device *dev, struct rtc_wkalrm *wkalrm)
struct sun6i_rtc_dev *chip = dev_get_drvdata(dev);
struct rtc_time *alrm_tm = &wkalrm->time;
struct rtc_time tm_now;
- unsigned long time_now = 0;
- unsigned long time_set = 0;
- unsigned long time_gap = 0;
+ unsigned long long time_now = 0;
+ unsigned long long time_set = 0;
+ unsigned long long time_gap = 0;
int ret = 0;

ret = sun6i_rtc_gettime(dev, &tm_now);
@@ -363,8 +363,8 @@ static int sun6i_rtc_setalarm(struct device *dev, struct rtc_wkalrm *wkalrm)
return -EINVAL;
}

- rtc_tm_to_time(alrm_tm, &time_set);
- rtc_tm_to_time(&tm_now, &time_now);
+ time_set = rtc_tm_to_time64(alrm_tm);
+ time_now = rtc_tm_to_time64(&tm_now);
if (time_set <= time_now) {
dev_err(dev, "Date to set in the past\n");
return -EINVAL;
--
1.9.1
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