From: Yunhong Jiang <yunhong.jiang@linux.intel.com>
To: Krzysztof Kozlowski <krzk@kernel.org>
Cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de,
dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com,
robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org,
kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org,
decui@microsoft.com, rafael@kernel.org, lenb@kernel.org,
kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org,
devicetree@vger.kernel.org, linux-hyperv@vger.kernel.org,
linux-acpi@vger.kernel.org
Subject: Re: [PATCH 2/7] dt-bindings: x86: Add ACPI wakeup mailbox
Date: Wed, 7 Aug 2024 09:56:58 -0700 [thread overview]
Message-ID: <20240807165658.GA17382@yjiang5-mobl.amr.corp.intel.com> (raw)
In-Reply-To: <ce4903f2-2a9d-45c4-bd4d-ac5165211a83@kernel.org>
On Wed, Aug 07, 2024 at 07:57:43AM +0200, Krzysztof Kozlowski wrote:
> On 07/08/2024 00:12, Yunhong Jiang wrote:
> > Add the binding to use the ACPI wakeup mailbox mechanism to bringup APs.
>
> We do not have bindings for ACPI. I think in the past it was mentioned
> pretty clear - we do not care what ACPI has in the wild.
Thank you for review.
Can you please give a bit more information on "do not have bindings for ACPI"?
We don't put the ACPI table into the device tree, but reuse some existing ACPI
mailbox mechanism. Is this acceptable for you?
>
> >
> > Signed-off-by: Yunhong Jiang <yunhong.jiang@linux.intel.com>
> > ---
> > .../devicetree/bindings/x86/wakeup.yaml | 41 +++++++++++++++++++
> > 1 file changed, 41 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/x86/wakeup.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/x86/wakeup.yaml b/Documentation/devicetree/bindings/x86/wakeup.yaml
> > new file mode 100644
> > index 000000000000..8af40dcdb592
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/x86/wakeup.yaml
> > @@ -0,0 +1,41 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +
> > +$id: http://devicetree.org/schemas/x86/wakeup.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
>
> This was absolutely never tested and does not look like proper bindings
> file. This just does not work. Go to example-schema and use it as template.
>
> NAK
>
> Best regards,
> Krzysztof
Oops, I used the example-schema but apparently did something wrong. Will have a
check.
--jyh
>
next prev parent reply other threads:[~2024-08-07 16:57 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-06 22:12 [PATCH 0/7] x86/acpi: Move ACPI MADT wakeup to generic code Yunhong Jiang
2024-08-06 22:12 ` [PATCH 1/7] " Yunhong Jiang
2024-08-06 22:12 ` [PATCH 2/7] dt-bindings: x86: Add ACPI wakeup mailbox Yunhong Jiang
2024-08-06 23:38 ` Rob Herring (Arm)
2024-08-07 17:00 ` Yunhong Jiang
2024-08-07 5:57 ` Krzysztof Kozlowski
2024-08-07 16:56 ` Yunhong Jiang [this message]
2024-08-08 7:41 ` Krzysztof Kozlowski
2024-08-09 23:29 ` Yunhong Jiang
2024-08-06 22:12 ` [PATCH 3/7] x86/dt: Support the ACPI multiprocessor wakeup for device tree Yunhong Jiang
2024-08-07 16:50 ` Thomas Gleixner
2024-08-06 22:12 ` [PATCH 4/7] x86/hyperv: Parse the ACPI wakeup mailbox Yunhong Jiang
2024-08-06 22:12 ` [PATCH 5/7] x86/hyperv: Mark ACPI wakeup mailbox page as private Yunhong Jiang
2024-08-07 16:59 ` Thomas Gleixner
2024-08-09 23:17 ` Yunhong Jiang
2024-08-06 22:12 ` [PATCH 6/7] x86/hyperv: Reserve real mode when ACPI wakeup mailbox is available Yunhong Jiang
2024-08-07 17:33 ` Thomas Gleixner
2024-08-24 0:17 ` Yunhong Jiang
2024-08-06 22:12 ` [PATCH 7/7] x86/hyperv: Use the ACPI wakeup mailbox for VTL2 guests when available Yunhong Jiang
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