From: Sudeep Holla <sudeep.holla@arm.com>
To: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Cristian Marussi <cristian.marussi@arm.com>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org
Subject: Re: [PATCH] dt-bindings: firmware: arm,scpi: Add missing maxItems to shmem property
Date: Wed, 16 Feb 2022 14:39:26 +0000 [thread overview]
Message-ID: <20220216143926.t3dadlsjtkotkv6o@bogus> (raw)
In-Reply-To: <f6d1ea27e8b8dc47fbe849661cc5a843bc2f1ba5.1645017656.git.geert+renesas@glider.be>
On Wed, Feb 16, 2022 at 02:21:43PM +0100, Geert Uytterhoeven wrote:
> "make dt_binding_check":
>
> Documentation/devicetree/bindings/firmware/arm,scpi.example.dt.yaml: scpi: shmem: [[2], [1]] is too long
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
> ---
> Exposed by commit 39bd2b6a3783b899 ("dt-bindings: Improve phandle-array
> schemas").
Interesting !
> ---
> Documentation/devicetree/bindings/firmware/arm,scpi.yaml | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/devicetree/bindings/firmware/arm,scpi.yaml b/Documentation/devicetree/bindings/firmware/arm,scpi.yaml
> index 800417a76bda0bd9..3735f221fdf24e0a 100644
> --- a/Documentation/devicetree/bindings/firmware/arm,scpi.yaml
> +++ b/Documentation/devicetree/bindings/firmware/arm,scpi.yaml
> @@ -51,6 +51,7 @@ properties:
> be any memory reserved for the purpose of this communication between the
> processors.
> minItems: 1
> + maxItems: 2
>
There is no max limit strictly speaking. The driver can use all the specified
mboxes and associated shmem in round robin fashion. That is the reason I
didn't add maxItems unlike the newer SCMI protocol which clearly restricts
to one Tx and one Rx(much saner I must admit).
--
Regards,
Sudeep
next prev parent reply other threads:[~2022-02-16 14:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-16 13:21 [PATCH] dt-bindings: firmware: arm,scpi: Add missing maxItems to shmem property Geert Uytterhoeven
2022-02-16 13:34 ` Krzysztof Kozlowski
2022-02-16 13:42 ` Geert Uytterhoeven
2022-02-16 13:52 ` Krzysztof Kozlowski
2022-02-16 14:39 ` Sudeep Holla [this message]
2022-02-16 14:55 ` Geert Uytterhoeven
2022-02-16 16:53 ` Sudeep Holla
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