From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexandre Belloni Subject: Re: [PATCH 00/51] rtc: stop using rtc deprecated functions Date: Wed, 21 Jun 2017 11:41:46 +0200 Message-ID: <20170621094146.ebq5hxuvtmfdgekz@piout.net> References: <20170620213507.urobmtg34vzubrdq@piout.net> <20170621075152.GA15996@amd> <20170621083907.y3gadsmsoufa5niv@piout.net> <20170621091948.GP4902@n2100.armlinux.org.uk> Reply-To: rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: Sender: rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org Content-Disposition: inline In-Reply-To: <20170621091948.GP4902-l+eeeJia6m9URfEZ8mYm6t73F7V6hmMc@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Russell King - ARM Linux Cc: Pavel Machek , Thomas Gleixner , Benjamin Gaignard , Baruch Siach , "patches-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org" , Linus Walleij , "linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Thierry Reding , "x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org" , Jonathan Hunter , Chen-Yu Tsai , Ingo Molnar , Sylvain Lemieux , Sebastian Hesselbarth , Len Brown , "linaro-kernel-cunTk1MwBs8s++Sfvej+rw@public.gmane.org" , Jason Cooper , "rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org" , "linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-pm@vger.kernel.org On 21/06/2017 at 10:19:49 +0100, Russell King - ARM Linux wrote: > On Wed, Jun 21, 2017 at 10:39:07AM +0200, Alexandre Belloni wrote: > > On 21/06/2017 at 09:51:52 +0200, Pavel Machek wrote: > > > If someone uses different threshold, well, there will be > > > confusion. But only for users that have their rtc set to the past, > > > which is quite unusual. > > > > > > > Or not, having an RTC set in the past is actually quite common. I'd find > > it weird to have a new device boot and be set to a date in the future. > > ... and that basically means you can't use hardware that stores RTC > time as a 32-bit number of seconds past 2106. > And I guess it will not matter much for us anyway ;) > > Also note that the threshold or offset thing may seem like a good idea > > but fails with many RTCs because of how they handle leap years. > > Not for the case being discussed. A 32-bit counter of seconds knows > nothing about leap years - all that is handled by the conversion > functions. > Well, the patch series touches some RTCs that are not using 32 bit counter so I though I might as well raise the issue now. -- Alexandre Belloni, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com -- You received this message because you are subscribed to "rtc-linux". Membership options at http://groups.google.com/group/rtc-linux . Please read http://groups.google.com/group/rtc-linux/web/checklist before submitting a driver. --- You received this message because you are subscribed to the Google Groups "rtc-linux" group. To unsubscribe from this group and stop receiving emails from it, send an email to rtc-linux+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org For more options, visit https://groups.google.com/d/optout.