Messages in this thread |  | | Subject | Re: [PATCH v2] arm64: dts: foundation-v8: Enable PSCI mode | From | Sudeep Holla <> | Date | Tue, 3 Oct 2017 15:09:35 +0100 |
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On 03/10/17 10:12, Daniel Thompson wrote: > On 02/10/17 18:26, Sudeep Holla wrote: >> Sorry for late response, I thought I had sent this mail out long back >> but was sitting in my draft :( > > No worries. I've been at Linaro connect this last week anyway. > > >> On 20/09/17 12:17, Daniel Thompson wrote: >>> On 20/09/17 10:42, Sudeep Holla wrote: >>>> >>>> >>>> On 19/09/17 19:32, Daniel Thompson wrote: >>>>> Currently if the Foundation model is running ARM Trusted Firmware then >>>>> the kernel, which is configured to use spin tables, cannot start >>>>> secondary >>>>> processors or "power off" the simulation. >>>>> >>>>> After adding a couple of labels to the include file and splitting out >>>>> the >>>>> spin-table configuration into a header, we add a couple of new headers >>>>> together with two new DTs (GICv2+PSCI and GICv3+PSCI). >>>>> >>>>> The new GICv3+PSCI DT has been boot tested, the remaining three >>>>> (two of >>>>> which existed prior to this patch) have been "tested" by >>>>> decompiling the >>>>> blobs and comparing them against a reference. >>>>> >>>> >>>> How different are these from the ones hosted in [1] ? >>> >>> They look like they were either independently written or diverged a long >>> time ago. The existing kernel DTs describe hardware absent from the ARM >>> TF ones and vice versa. >>> >> >> OK. >> >>> With specific reference to PSCI it looks like my patches could perhaps >>> be improved by adding idle-state support. >> >> Yes I know. > > You want a v3 with it added? >
No, that's fine. I have pushed this already [1] with Mark's ack for now. We can add it later after some testing, not urgent.
-- Regards, Sudeep
[1] https://git.kernel.org/sudeep.holla/linux/h/for-next/juno
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