10.12.2019 21:59, Mark Brown пишет: > On Tue, Dec 10, 2019 at 09:24:43PM +0300, Dmitry Osipenko wrote: > >> In some cases it could be painful to maintain device-tree compatibility >> for platforms like NVIDIA Tegra SoCs because hardware wasn't modeled >> correctly from the start. > >> I agree that people should use relevant device-trees. It's quite a lot >> of hassle to care about compatibility for platforms that are permanently >> in a development state. It could be more reasonable to go through the >> pain if kernel required a full-featured device tree for every SoC from >> the start. > > We absolutely should support the newer kernel with older device tree > case, what's less clear to me is the new device tree with old kernel > which is applying LTS updates case. That does seem incredibly > specialist - I'd honestly never heard of people doing that before this > thread. > There was a precedent in the past [1]. [1] https://lkml.org/lkml/2018/8/20/497
