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SubjectRe: [PATCH v4 2/9] rtc: mt6397: refine RTC_TC_MTH
On 16/12/2020 15:47:00+0800, Hsin-Hsiung Wang wrote:
> 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>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.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
>

--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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