Re: [PATCH v2 00/10] arm64: tegra: Prevent early SMMU faults

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On 02/06/2021 10:52, Thierry Reding wrote:
> On Wed, Jun 02, 2021 at 09:35:13AM +0200, Krzysztof Kozlowski wrote:
>> On 02/06/2021 09:33, Krzysztof Kozlowski wrote:
>>> On 01/06/2021 20:08, Thierry Reding wrote:
>>>> On Tue, Jun 01, 2021 at 01:26:46PM +0100, Will Deacon wrote:
>>>>> On Fri, May 28, 2021 at 07:05:28PM +0200, Thierry Reding wrote:
>>>>>> On Tue, Apr 20, 2021 at 07:26:09PM +0200, Thierry Reding wrote:
>>>>>>> From: Thierry Reding <treding@xxxxxxxxxx>
>>>>>>>
>>>>> Probably best if I queue 3-6 on a separate branch once you send a v3,
>>>>> then Krzysztof can pull that in if he needs it.
>>>>
>>>> Patch 5 has a build-time dependency on patch 1, so they need to go in
>>>> together. The reason why I suggested Krzysztof pick these up is because
>>>> there is a restructuring series that this depends on, which will go into
>>>> Krzysztof's tree. So in order to pull in 3-6, you'd get a bunch of other
>>>> and mostly unrelated stuff as well.
>>>
>>> I missed that part... what other series are needed for this one? Except
>>> Dmitry's power management set I do not have anything in my sight for
>>> Tegras memory controllers.
>>>
>>> Anyway, I can take the memory bits and provide a stable tag with these.
>>> Recently there was quite a lot work around Tegra memory controllers, so
>>> this makes especially sense if new patches appear.
>>
>> OK, I think I have now the patchset you talked about - "memory: tegra:
>> Driver unification" v2, right?
> 
> Yes, that's the one. That series is fairly self-contained, but Dmitry's
> power management set has dependencies that pull in the regulator, clock
> and ARM SoC trees.
> 
> I did a test merge of the driver unification series with a branch that
> has Dmitry's patches and all the dependencies and there are no conflicts
> so that, fortunately, doesn't further complicates things.
> 
> Do you want me to send you a pull request with Dmitry's memory
> controller changes? You could then apply the unification series on top,
> which should allow this SMMU series to apply cleanly on top of that.

Makes sense and it looks quite bulletproof for future changes. Let's do
like this. I will apply your patch 1/10 from this v2 on top of it and
driver unification later.

> I can also carry all these changes in the Tegra tree and send a PR in a
> few days once this has seen a bit more testing in linux-next, which also
> makes sure it's got a bit more testing in our internal test farm.
> 


Best regards,
Krzysztof



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