From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: Sam Protsenko <semen.protsenko@linaro.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>,
Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>,
linux-rtc@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/4] rtc: s3c: Add time range
Date: Tue, 19 Oct 2021 18:20:29 +0200 [thread overview]
Message-ID: <YW7wTY5VOsPMAT3v@piout.net> (raw)
In-Reply-To: <20211019131724.3109-3-semen.protsenko@linaro.org>
On 19/10/2021 16:17:22+0300, Sam Protsenko wrote:
> This RTC driver only accepts dates from 2000 to 2099 year. It starts
> counting from 2000 to avoid Y2K problem, and S3C RTC only supports 100
> years range. Provide this info to RTC framework.
>
> Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
> ---
> drivers/rtc/rtc-s3c.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
> index 10e591794276..d9994efd70ef 100644
> --- a/drivers/rtc/rtc-s3c.c
> +++ b/drivers/rtc/rtc-s3c.c
> @@ -454,6 +454,8 @@ static int s3c_rtc_probe(struct platform_device *pdev)
> }
>
> info->rtc->ops = &s3c_rtcops;
> + info->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
> + info->rtc->range_max = RTC_TIMESTAMP_END_2099;
>
This change is missing the if (year < 0 || year >= 100) removal in
s3c_rtc_settime()
> ret = devm_rtc_register_device(info->rtc);
> if (ret)
> --
> 2.30.2
>
--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
next prev parent reply other threads:[~2021-10-19 16:20 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-19 13:17 [PATCH 0/4] rtc: s3c: S3C driver improvements Sam Protsenko
2021-10-19 13:17 ` [PATCH 1/4] rtc: s3c: Remove usage of devm_rtc_device_register() Sam Protsenko
2021-10-19 16:11 ` Krzysztof Kozlowski
2021-10-19 13:17 ` [PATCH 2/4] rtc: s3c: Add time range Sam Protsenko
2021-10-19 16:17 ` Krzysztof Kozlowski
2021-10-19 16:22 ` Krzysztof Kozlowski
2021-10-19 16:35 ` Sam Protsenko
2021-10-19 17:48 ` Alexandre Belloni
2021-10-19 19:12 ` Sam Protsenko
2021-10-19 21:04 ` Alexandre Belloni
2021-10-20 6:29 ` Krzysztof Kozlowski
2021-10-21 19:48 ` Sam Protsenko
2021-10-21 20:55 ` Alexandre Belloni
2021-10-19 16:20 ` Alexandre Belloni [this message]
2021-10-19 16:31 ` Sam Protsenko
2021-10-19 17:46 ` Alexandre Belloni
2021-10-19 13:17 ` [PATCH 3/4] rtc: s3c: Extract read/write IO into separate functions Sam Protsenko
2021-10-19 16:24 ` Krzysztof Kozlowski
2021-10-19 13:17 ` [PATCH 4/4] rtc: s3c: Fix RTC read on first boot Sam Protsenko
2021-10-19 15:48 ` Alexandre Belloni
2021-10-19 16:04 ` Sam Protsenko
2021-10-19 16:19 ` Krzysztof Kozlowski
2021-10-19 16:10 ` Krzysztof Kozlowski
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