Messages in this thread | | | Subject | Re: [PATCH 14/15] dt-bindings: arm-gic: Drop 'clock-names' from binding document | From | Jon Hunter <> | Date | Fri, 18 Mar 2016 10:56:58 +0000 |
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On 18/03/16 10:52, Geert Uytterhoeven wrote: > Hi Jon, > > On Fri, Mar 18, 2016 at 11:13 AM, Jon Hunter <jonathanh@nvidia.com> wrote: >> On 18/03/16 09:13, Geert Uytterhoeven wrote: >>> On Thu, Mar 17, 2016 at 3:19 PM, Jon Hunter <jonathanh@nvidia.com> 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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