Re: [PATCH V4 16/16] ARM64: tegra: select PM_GENERIC_DOMAINS

From: Ulf Hansson
Date: Wed Jan 27 2016 - 04:43:26 EST


> Any more thoughts on this?
> I have been discussing with Thierry and we think that selecting PM for
> tegra still makes the most sense. The question is, is this ok for
> multi-configs?

Yes, this is too me the best option.

Additionally, for those tegra SoCs/platforms that needs
PM_GENERIC_DOMAINS, it can safely select that as well.

> The only other suggestion/thought I have is to allow
> PM_GENERIC_DOMAINS_OF to be selected independently of PM so that we can
> have minimal support for PM domains that allows you to register PM
> domains with the kernel and their current state, but does not allow you
> to control them, etc. This way tegra could always select
> PM_GENERIC_DOMAINS_OF regardless of PM, and we would be able to
> determine if we can probe a device safely.
> I am not sure that Rafael is too keen on this approach but that is the
> only alternative I have come up with.

I think Rafael already made his point around this approach, which is a
clear no. And I fully agree with it.

Kind regards