linux-kernel - Re: [PATCH v5 1/4] dt-bindings: EDAC: Add Amazon's Annapurna Labs L1 EDAC

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Date:   Wed, 21 Aug 2019 14:17:04 -0500
From:   Rob Herring <robh@...nel.org>
To:     Hanna Hawa <hhhawa@...zon.com>
Cc:     mark.rutland@....com, bp@...en8.de, mchehab@...nel.org,
        james.morse@....com, davem@...emloft.net,
        gregkh@...uxfoundation.org, linus.walleij@...aro.org,
        Jonathan.Cameron@...wei.com, nicolas.ferre@...rochip.com,
        paulmck@...ux.ibm.com, dwmw@...zon.co.uk, benh@...zon.com,
        ronenk@...zon.com, talel@...zon.com, jonnyc@...zon.com,
        hanochu@...zon.com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-edac@...r.kernel.org
Subject: Re: [PATCH v5 1/4] dt-bindings: EDAC: Add Amazon's Annapurna Labs L1
 EDAC

On Mon, Aug 05, 2019 at 03:39:08PM +0100, Hanna Hawa wrote:
> Document Amazon's Annapurna Labs L1 EDAC SoC binding.
> 
> Signed-off-by: Hanna Hawa <hhhawa@...zon.com>
> ---
>  .../devicetree/bindings/edac/amazon,al-l1-edac.txt | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/edac/amazon,al-l1-edac.txt
> 
> diff --git a/Documentation/devicetree/bindings/edac/amazon,al-l1-edac.txt b/Documentation/devicetree/bindings/edac/amazon,al-l1-edac.txt
> new file mode 100644
> index 000000000000..2ae8370216bc
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/edac/amazon,al-l1-edac.txt
> @@ -0,0 +1,14 @@
> +* Amazon's Annapurna Labs L1 EDAC
> +
> +Amazon's Annapurna Labs SoCs supports L1 single bit correction and
> +two bits detection capability based on ARM implementation.
> +
> +Required properties:
> +- compatible:
> +	should be "amazon,al-l1-edac".

Why is this even in DT? AFAICT, this is all just CortexA57 core features 
(i.e. nothing Amazon specific). The core type and the ECC capabilities 
are discoverable.

Rob