From mboxrd@z Thu Jan 1 00:00:00 1970 From: pavel@ucw.cz (Pavel Machek) Date: Tue, 20 Jun 2017 14:10:11 +0200 Subject: [PATCH 00/51] rtc: stop using rtc deprecated functions In-Reply-To: <20170620100348.zh4ygvjjgnhxvmvl@piout.net> References: <1497951359-13334-1-git-send-email-benjamin.gaignard@linaro.org> <20170620100348.zh4ygvjjgnhxvmvl@piout.net> Message-ID: <20170620121011.GA13221@amd> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue 2017-06-20 12:03:48, Alexandre Belloni wrote: > On 20/06/2017 at 11:35:08 +0200, Benjamin Gaignard wrote: > > rtc_time_to_tm() and rtc_tm_to_time() are deprecated because they > > rely on 32bits variables and that will make rtc break in y2038/2016. > > Please don't, because this hide the fact that the hardware will not > handle dates in y2038 anyway and as pointed by Russell a few month ago, > rtc_time_to_tm will be able to catch it but the 64 bit version will > silently ignore it. Reference? Because rtc on PCs stores date in binary coded decimal, so it is likely to break in 2100, not 2038... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 181 bytes Desc: Digital signature URL: