[RFC PATCH 2/2] iommu: rockchip: Handle system-wide and runtime PM

[Kevin Hilman]

Geert Uytterhoeven <geert at linux-m68k.org> writes:

> On Fri, Dec 12, 2014 at 9:04 PM, Kevin Hilman <khilman at kernel.org> wrote:
>> An even more exciting problem exists when a CPU is in the same domain as
>> other peripherals, those peripherals are all idle and the power domain
>> is gated. :)
>
> We do have pm_genpd_attach_cpuidle() and pm_genpd_name_attach_cpuidle()?

Exactly.  

And I think to solve this problem, we need to generalize the attaching
of dependent devices to a PM domain.

Kevin