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


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