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Subject[PATCH v4 2/9] rtc: mt6397: refine RTC_TC_MTH
Date
This patch adds RTC_TC_MTH_MASK to support new chips.

Signed-off-by: Yuchen Huang <yuchen.huang@mediatek.com>
Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
---
drivers/rtc/rtc-mt6397.c | 2 +-
include/linux/mfd/mt6397/rtc.h | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c
index 1894aded4c85..ea6da7476a5e 100644
--- a/drivers/rtc/rtc-mt6397.c
+++ b/drivers/rtc/rtc-mt6397.c
@@ -75,7 +75,7 @@ static int __mtk_rtc_read_time(struct mt6397_rtc *rtc,
tm->tm_min = data[RTC_OFFSET_MIN];
tm->tm_hour = data[RTC_OFFSET_HOUR];
tm->tm_mday = data[RTC_OFFSET_DOM];
- tm->tm_mon = data[RTC_OFFSET_MTH];
+ tm->tm_mon = data[RTC_OFFSET_MTH] & RTC_TC_MTH_MASK;
tm->tm_year = data[RTC_OFFSET_YEAR];

ret = regmap_read(rtc->regmap, rtc->addr_base + RTC_TC_SEC, sec);
diff --git a/include/linux/mfd/mt6397/rtc.h b/include/linux/mfd/mt6397/rtc.h
index c3748b53bf7d..068ae1c0f0e8 100644
--- a/include/linux/mfd/mt6397/rtc.h
+++ b/include/linux/mfd/mt6397/rtc.h
@@ -36,6 +36,7 @@
#define RTC_AL_MASK_DOW BIT(4)

#define RTC_TC_SEC 0x000a
+#define RTC_TC_MTH_MASK 0x000f
/* Min, Hour, Dom... register offset to RTC_TC_SEC */
#define RTC_OFFSET_SEC 0
#define RTC_OFFSET_MIN 1
--
2.18.0
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