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From:   Jernej =?utf-8?B?xaBrcmFiZWM=?= <jernej.skrabec@gmail.com>
To:     Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
        Andre Przywara <andre.przywara@arm.com>
Cc:     Rob Herring <robh@kernel.org>, Icenowy Zheng <icenowy@aosc.io>,
        Samuel Holland <samuel@sholland.org>,
        Ondrej Jirman <megous@megous.com>,
        linux-arm-kernel@lists.infradead.org, linux-sunxi@googlegroups.com,
        linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org,
        Alessandro Zummo <a.zummo@towertech.it>,
        Alexandre Belloni <alexandre.belloni@bootlin.com>,
        linux-rtc@vger.kernel.org
Subject: Re: [PATCH v6 04/17] rtc: sun6i: Add support for linear day storage
Date:   Sat, 22 May 2021 09:26:11 +0200
Message-ID: <5920087.Glgd6ahW17@kista>
In-Reply-To: <20210519104152.21119-5-andre.przywara@arm.com>
References: <20210519104152.21119-1-andre.przywara@arm.com> <20210519104152.21119-5-andre.przywara@arm.com>
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Hi Andre!

Dne sreda, 19. maj 2021 ob 12:41:39 CEST je Andre Przywara napisal(a):
> Newer versions of the Allwinner RTC, as for instance found in the H616
> SoC, no longer store a broken-down day/month/year representation in the
> RTC_DAY_REG, but just a linear day number.
> The user manual does not give any indication about the expected epoch
> time of this day count, but the BSP kernel uses the UNIX epoch, which
> allows easy support due to existing conversion functions in the kernel.
> 
> Allow tagging a compatible string with a flag, and use that to mark
> those new RTCs. Then convert between a UNIX day number (converted into
> seconds) and the broken-down day representation using mktime64() and
> time64_to_tm() in the set_time/get_time functions.
> 
> That enables support for the RTC in those new chips.
> 
> Reviewed-by: Andre Przywara <andre.przywara@arm.com>

Change ^ to Signed-of-by. After that, you can add:
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>

Best regards,
Jernej