Re: [PATCH 14/15] dt-bindings: arm-gic: Drop 'clock-names' from binding document

From: Geert Uytterhoeven
Date: Fri Mar 18 2016 - 06:52:27 EST


Hi Jon,

On Fri, Mar 18, 2016 at 11:13 AM, Jon Hunter <jonathanh@xxxxxxxxxx> wrote:
> On 18/03/16 09:13, Geert Uytterhoeven wrote:
>> On Thu, Mar 17, 2016 at 3:19 PM, Jon Hunter <jonathanh@xxxxxxxxxx> wrote:
>>> Commit afbbd2338176 ("irqchip/gic: Document optional Clock and Power
>>> Domain properties") documented optional clock and power-dmoain properties
>>> for the ARM GIC. Currently, there are no users of these and for the
>>> Tegra210 Audio GIC (based upon the GIC-400) there are two clocks, a
>>> functional clock and interface clock, that need to be enabled.
>>
>> The reason that there are no users for this is twofold:
>> 1. The GIC driver doesn't have Runtime PM support yet,
>> 2. There was no clean way to prevent the GIC's clock from being disabled.
>> Due to this, adding the clocks to the DTSes would mean that they will be
>> disabled during boot up as unused clocks, leading to a system lock-up.
>>
>> I had hoped your series would fix part 1. I gave it a try on r8a7791/koelsch,
>> but unfortunately it seems the platform driver only supports non-root
>> controllers, while the r8a7791 GIC is the primary one...
>
> Can you try making the following change ...

Thanks! I gave it a try, but no difference.

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds