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rtc: omap: add helper to read raw bcd time
Add helper to read raw BCD time that can be used in interrupt context. Signed-off-by: Johan Hovold <johan@kernel.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Tony Lindgren <tony@atomide.com> Cc: Benot Cousson <bcousson@baylibre.com> Cc: Lokesh Vutla <lokeshvutla@ti.com> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Sekhar Nori <nsekhar@ti.com> Cc: Tero Kristo <t-kristo@ti.com> Cc: Keerthy J <j-keerthy@ti.com> Tested-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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parent
9291e340fc
commit
cbbe326fa8
1 changed files with 10 additions and 8 deletions
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@ -234,6 +234,15 @@ static void bcd2tm(struct rtc_time *tm)
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tm->tm_year = bcd2bin(tm->tm_year) + 100;
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}
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static void omap_rtc_read_time_raw(struct omap_rtc *rtc, struct rtc_time *tm)
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{
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tm->tm_sec = rtc_read(rtc, OMAP_RTC_SECONDS_REG);
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tm->tm_min = rtc_read(rtc, OMAP_RTC_MINUTES_REG);
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tm->tm_hour = rtc_read(rtc, OMAP_RTC_HOURS_REG);
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tm->tm_mday = rtc_read(rtc, OMAP_RTC_DAYS_REG);
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tm->tm_mon = rtc_read(rtc, OMAP_RTC_MONTHS_REG);
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tm->tm_year = rtc_read(rtc, OMAP_RTC_YEARS_REG);
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}
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static int omap_rtc_read_time(struct device *dev, struct rtc_time *tm)
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{
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@ -242,14 +251,7 @@ static int omap_rtc_read_time(struct device *dev, struct rtc_time *tm)
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/* we don't report wday/yday/isdst ... */
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local_irq_disable();
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rtc_wait_not_busy(rtc);
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tm->tm_sec = rtc_read(rtc, OMAP_RTC_SECONDS_REG);
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tm->tm_min = rtc_read(rtc, OMAP_RTC_MINUTES_REG);
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tm->tm_hour = rtc_read(rtc, OMAP_RTC_HOURS_REG);
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tm->tm_mday = rtc_read(rtc, OMAP_RTC_DAYS_REG);
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tm->tm_mon = rtc_read(rtc, OMAP_RTC_MONTHS_REG);
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tm->tm_year = rtc_read(rtc, OMAP_RTC_YEARS_REG);
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omap_rtc_read_time_raw(rtc, tm);
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local_irq_enable();
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bcd2tm(tm);
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