[PATCH v2 13/20] rtc: omap: add helper to read raw bcd time

Johan Hovold
2014-10-21T17:37:59Z

Add helper to read raw BCD time that can be used in interrupt context.

Signed-off-by: Johan Hovold <johan@kernel.org>
---
drivers/rtc/rtc-omap.c | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c
index ee20f2d36065..bcdf3c596214 100644
--- a/drivers/rtc/rtc-omap.c
+++ b/drivers/rtc/rtc-omap.c
@@ -234,22 +234,24 @@ static void bcd2tm(struct rtc_time *tm)
tm->tm_year = bcd2bin(tm->tm_year) + 100;
}

-
-static int omap_rtc_read_time(struct device *dev, struct rtc_time *tm)
+static void omap_rtc_read_time_raw(struct omap_rtc *rtc, struct rtc_time *tm)
{
- struct omap_rtc *rtc = dev_get_drvdata(dev);
-
- /* we don't report wday/yday/isdst ... */
- local_irq_disable();
- rtc_wait_not_busy(rtc);
-
tm->tm_sec = rtc_read(rtc, OMAP_RTC_SECONDS_REG);
tm->tm_min = rtc_read(rtc, OMAP_RTC_MINUTES_REG);
tm->tm_hour = rtc_read(rtc, OMAP_RTC_HOURS_REG);
tm->tm_mday = rtc_read(rtc, OMAP_RTC_DAYS_REG);
tm->tm_mon = rtc_read(rtc, OMAP_RTC_MONTHS_REG);
tm->tm_year = rtc_read(rtc, OMAP_RTC_YEARS_REG);
+}
+
+static int omap_rtc_read_time(struct device *dev, struct rtc_time *tm)
+{
+ struct omap_rtc *rtc = dev_get_drvdata(dev);

+ /* we don't report wday/yday/isdst ... */
+ local_irq_disable();
+ rtc_wait_not_busy(rtc);
+ omap_rtc_read_time_raw(rtc, tm);
local_irq_enable();

bcd2tm(tm);
--
2.0.4