diff options
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-mxc.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c index a7b218ff078d..83cba23a6b00 100644 --- a/drivers/rtc/rtc-mxc.c +++ b/drivers/rtc/rtc-mxc.c @@ -106,7 +106,7 @@ static inline int is_imx1_rtc(struct rtc_plat_data *data) * This function is used to obtain the RTC time or the alarm value in * second. */ -static u32 get_alarm_or_time(struct device *dev, int time_alarm) +static time64_t get_alarm_or_time(struct device *dev, int time_alarm) { struct platform_device *pdev = to_platform_device(dev); struct rtc_plat_data *pdata = platform_get_drvdata(pdev); @@ -129,29 +129,28 @@ static u32 get_alarm_or_time(struct device *dev, int time_alarm) hr = hr_min >> 8; min = hr_min & 0xff; - return (((day * 24 + hr) * 60) + min) * 60 + sec; + return ((((time64_t)day * 24 + hr) * 60) + min) * 60 + sec; } /* * This function sets the RTC alarm value or the time value. */ -static void set_alarm_or_time(struct device *dev, int time_alarm, u32 time) +static void set_alarm_or_time(struct device *dev, int time_alarm, time64_t time) { - u32 day, hr, min, sec, temp; + u32 tod, day, hr, min, sec, temp; struct platform_device *pdev = to_platform_device(dev); struct rtc_plat_data *pdata = platform_get_drvdata(pdev); void __iomem *ioaddr = pdata->ioaddr; - day = time / 86400; - time -= day * 86400; + day = div_s64_rem(time, 86400, &tod); /* time is within a day now */ - hr = time / 3600; - time -= hr * 3600; + hr = tod / 3600; + tod -= hr * 3600; /* time is within an hour now */ - min = time / 60; - sec = time - min * 60; + min = tod / 60; + sec = tod - min * 60; temp = (hr << 8) + min; @@ -175,12 +174,12 @@ static void set_alarm_or_time(struct device *dev, int time_alarm, u32 time) */ static void rtc_update_alarm(struct device *dev, struct rtc_time *alrm) { - unsigned long time; + time64_t time; struct platform_device *pdev = to_platform_device(dev); struct rtc_plat_data *pdata = platform_get_drvdata(pdev); void __iomem *ioaddr = pdata->ioaddr; - rtc_tm_to_time(alrm, &time); + time = rtc_tm_to_time64(alrm); /* clear all the interrupt status bits */ writew(readw(ioaddr + RTC_RTCISR), ioaddr + RTC_RTCISR); @@ -272,14 +271,14 @@ static int mxc_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled) */ static int mxc_rtc_read_time(struct device *dev, struct rtc_time *tm) { - u32 val; + time64_t val; /* Avoid roll-over from reading the different registers */ do { val = get_alarm_or_time(dev, MXC_RTC_TIME); } while (val != get_alarm_or_time(dev, MXC_RTC_TIME)); - rtc_time_to_tm(val, tm); + rtc_time64_to_tm(val, tm); return 0; } @@ -322,7 +321,7 @@ static int mxc_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) struct rtc_plat_data *pdata = platform_get_drvdata(pdev); void __iomem *ioaddr = pdata->ioaddr; - rtc_time_to_tm(get_alarm_or_time(dev, MXC_RTC_ALARM), &alrm->time); + rtc_time64_to_tm(get_alarm_or_time(dev, MXC_RTC_ALARM), &alrm->time); alrm->pending = ((readw(ioaddr + RTC_RTCISR) & RTC_ALM_BIT)) ? 1 : 0; return 0; |