On 16/08/2023 12:12:14-0700, Guenter Roeck wrote: > On Wed, Aug 16, 2023 at 06:14:35PM +0200, Alexandre Belloni wrote: > > On 16/08/2023 08:50:12-0700, Guenter Roeck wrote: > > > > I'm fine with the series, however, this doesn't solve the issue for RTCs > > > > that have an absolute limit on the alarm (as opposed to an offset to the > > > > current time/date). > > > > > > > > > > I thought that is checked by rtc_valid_range() in rtc_set_alarm(). > > > Am I missing something ? Of course that assumes that the absolute > > > maximum alarm timeout matches range_max, but I didn't find any > > > drivers where that would not be the case. > > > > > > > There are RTCs where this is not the case. When this is far away in the > > future enough, the usual solution is to clip range_max which works but > > is not really great intellectually. > > > Do you have an example, by any chance ? > I'm sorry, I've been looking and I couldn't find it anymore. Don't bother with this for now. -- Alexandre Belloni, co-owner and COO, Bootlin Embedded Linux and Kernel engineering https://bootlin.com