Re: [RFC PATCH v4 00/20] RISC-V: ACPI: Add external interrupt controller support

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On Wed, Apr 24, 2024 at 07:55:50PM +0200, Björn Töpel wrote:
> "Rafael J. Wysocki" <rafael@xxxxxxxxxx> writes:
> 
> > On Mon, Apr 15, 2024 at 7:01 PM Sunil V L <sunilvl@xxxxxxxxxxxxxxxx> wrote:
> >>
> >> This series adds support for the below ECR approved by ASWG.
> >> 1) MADT - https://drive.google.com/file/d/1oMGPyOD58JaPgMl1pKasT-VKsIKia7zR/view?usp=sharing
> >>
> >> The series primarily enables irqchip drivers for RISC-V ACPI based
> >> platforms.
> >>
> >> The series can be broadly categorized like below.
> >>
> >> 1) PCI ACPI related functions are migrated from arm64 to common file so
> >> that we don't need to duplicate them for RISC-V.
> >>
> >> 2) Added support for re-ordering the probe of interrupt controllers when
> >> IRQCHIP_ACPI_DECLARE is used.
> >>
> >> 3) To ensure probe order between interrupt controllers and devices,
> >> implicit dependency is created similar to when _DEP is present.
> >>
> >> 4) When PNP devices like Generic 16550A UART, have the dependency on the
> >> interrupt controller, they will not be added to PNP data structures. So,
> >> added second phase of pnpacpi_init to handle this.
> >>
> >> 5) ACPI support added in RISC-V interrupt controller drivers.
> >>
> >> This series is still kept as RFC to seek feedback on above design
> >> changes. Looking forward for the feedback!
> >
> > I've looked at the patches and I don't see anything deeply concerning
> > in them from the ACPI core code perspective.
> >
> > The changes look reasonably straightforward to me.
> 
> Sunil, given Rafael's input, it sounds like it's time for a patch
> proper. This is really the missing piece to make ACPI usable on RISC-V!
> 
> Thanks for the nice work!
> Björn
> 
> FWIW,
> Tested-by: Björn Töpel <bjorn@xxxxxxxxxxxx>
> 
Sorry for the delayed response. I was AFK last week.

Many thanks!!, Rafael. Let me send next version without RFC.

Thank you very much Björn for testing it.

Thanks,
Sunil




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