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authorAlexandre Belloni <alexandre.belloni@bootlin.com>2018-06-04 16:15:27 +0200
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2018-06-07 20:10:11 +0200
commit73318f8b6bf0dbdbff4f21a3fff02d1467479555 (patch)
tree2c01b2f00c3a2a61bedaff2545d1aec338520fbc /drivers/rtc
parentrtc: ftrtc010: switch to devm_rtc_allocate_device (diff)
downloadlinux-dev-73318f8b6bf0dbdbff4f21a3fff02d1467479555.tar.xz
linux-dev-73318f8b6bf0dbdbff4f21a3fff02d1467479555.zip
rtc: ftrtc010: handle dates after 2106
Use correct types for offset and time and use rtc_time64_to_tm/rtc_tm_to_time64 to handle dates after 2106 properly. Acked-by: Hans Ulli Kroll <ulli.kroll@googlemail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-ftrtc010.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/rtc/rtc-ftrtc010.c b/drivers/rtc/rtc-ftrtc010.c
index 165d0b62db00..2cdc78ffeb17 100644
--- a/drivers/rtc/rtc-ftrtc010.c
+++ b/drivers/rtc/rtc-ftrtc010.c
@@ -73,8 +73,8 @@ static int ftrtc010_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
struct ftrtc010_rtc *rtc = dev_get_drvdata(dev);
- unsigned int days, hour, min, sec;
- unsigned long offset, time;
+ u32 days, hour, min, sec, offset;
+ timeu64_t time;
sec = readl(rtc->rtc_base + FTRTC010_RTC_SECOND);
min = readl(rtc->rtc_base + FTRTC010_RTC_MINUTE);
@@ -84,7 +84,7 @@ static int ftrtc010_rtc_read_time(struct device *dev, struct rtc_time *tm)
time = offset + days * 86400 + hour * 3600 + min * 60 + sec;
- rtc_time_to_tm(time, tm);
+ rtc_time64_to_tm(time, tm);
return 0;
}
@@ -92,13 +92,13 @@ static int ftrtc010_rtc_read_time(struct device *dev, struct rtc_time *tm)
static int ftrtc010_rtc_set_time(struct device *dev, struct rtc_time *tm)
{
struct ftrtc010_rtc *rtc = dev_get_drvdata(dev);
- unsigned int sec, min, hour, day;
- unsigned long offset, time;
+ u32 sec, min, hour, day, offset;
+ timeu64_t time;
if (tm->tm_year >= 2148) /* EPOCH Year + 179 */
return -EINVAL;
- rtc_tm_to_time(tm, &time);
+ time = rtc_tm_to_time64(tm);
sec = readl(rtc->rtc_base + FTRTC010_RTC_SECOND);
min = readl(rtc->rtc_base + FTRTC010_RTC_MINUTE);