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Message-ID: <20241007135920ef75da53@mail.local>
Date: Mon, 7 Oct 2024 15:59:20 +0200
From: Alexandre Belloni <alexandre.belloni@...tlin.com>
To: Nobuhiro Iwamatsu <iwamatsu@...auri.org>
Cc: linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] rtc: rtc-mc146818-lib: Use is_leap_year instead of
calculate leap years
Hello,
On 06/10/2024 09:15:53+0900, Nobuhiro Iwamatsu wrote:
> The is_leap_year() for determining leap year is provided in rtc lib.
> This uses is_leap_year() instead of its own leap year determination
> routine.
>
> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@...auri.org>
> ---
> drivers/rtc/rtc-mc146818-lib.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/rtc/rtc-mc146818-lib.c b/drivers/rtc/rtc-mc146818-lib.c
> index 651bf3c279c74..ce4d68de05831 100644
> --- a/drivers/rtc/rtc-mc146818-lib.c
> +++ b/drivers/rtc/rtc-mc146818-lib.c
> @@ -232,8 +232,7 @@ int mc146818_set_time(struct rtc_time *time)
>
> #ifdef CONFIG_MACH_DECSTATION
> real_yrs = yrs;
> - leap_yr = ((!((yrs + 1900) % 4) && ((yrs + 1900) % 100)) ||
> - !((yrs + 1900) % 400));
> + leap_yr = is_leap_year(yrs + 1900);
Could you also eliminate the leap_yr variable?
Thanks!
--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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