On 18/03/16 10:52, Geert Uytterhoeven wrote:
> 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.
I assume you added the appropriate compatible flag? Any more details you
can share about why it is not working? Is it not registered early enough?
Jon
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