On Thu, Oct 28, 2021 at 10:01:34AM +0100, Marc Zyngier wrote:
> On Wed, 27 Oct 2021 17:54:52 +0100,
> Michael Walle <mich...@walle.cc> wrote:
> >
> > Please stop throwing every ad-hoc information in the device tree. Use the
> > official bindings (or maybe some bindings which will get approved soon).
> >
> > On the quest of syncing the device tree used in u-boot with the one used in
> > linux, there is this nice piece:
> >
> > gic_lpi_base: syscon@0x80000000 {
> > compatible = "gic-lpi-base";
> > reg = <0x0 0x80000000 0x0 0x100000>;
> > max-gic-redistributors = <2>;
> > };
> >
> > There is no offical binding for it. Also, the chances that there will be
> > one are virtually zero. We need to get rid of it. In fact, most information
> > there are already known or can be deduced via the offical binding.
>
> It is not "virtually zero". It is *exactly* zero. This node only shows
> that the author didn't understand the nature of the problem, nor were
> they aware of the existing solution which has been around since July
> 2018. This solution doesn't require any update to the binding, only to
> reserve the memory.
>
> I really wish people would stop piling crap in u-boot, and that the
> u-boot maintainers would reach out to people familiar with the
> architecture before merging this sort of changes.I'd be happy to reach out to people if I knew who would be receptive to spending some of their already I assume overload spare time looking in to things. If you're volunteering for "GIC related things" I'd be happy to CC you when patches come up. Thanks! -- Tom
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