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From: Sudeep Holla <sudeep.holla@arm.com>
To: Jim Quinlan <james.quinlan@broadcom.com>
Cc: bcm-kernel-feedback-list@broadcom.com,
	Rob Herring <robh+dt@kernel.org>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
	<devicetree@vger.kernel.org>, Sudeep Holla <sudeep.holla@arm.com>,
	Cristian Marussi <cristian.marussi@arm.com>,
	open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v1 1/2] dt-bindings: arm: Add optional interrupt to smc/hvc SCMI transport
Date: Wed, 11 Nov 2020 10:37:11 +0000	[thread overview]
Message-ID: <20201111103711.h6hez4d6t3uxat3b@bogus> (raw)
In-Reply-To: <20201110183827.19731-1-james.quinlan@broadcom.com>

On Tue, Nov 10, 2020 at 01:38:18PM -0500, Jim Quinlan wrote:
> This change allows the SCMI "platform" to use the smc/hvc transport and to

Incorrect statement above, it is OSPM using SMC/HVC as transport and not
the "platform" which refers to entity/firmware implementing SCMI
services to OSPM. Also this change is not adding SMC/HVC, just the
interrupt support.

> optionally indicate the completion of an SCMI message with an interrupt.
> This is in contrast to the nominal case where the return of the SMC call
> indicates message completion.
>
> Signed-off-by: Jim Quinlan <james.quinlan@broadcom.com>
> ---
>  Documentation/devicetree/bindings/arm/arm,scmi.txt | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/arm/arm,scmi.txt b/Documentation/devicetree/bindings/arm/arm,scmi.txt
> index 55deb68230eb..d3b0c9f387fe 100644
> --- a/Documentation/devicetree/bindings/arm/arm,scmi.txt
> +++ b/Documentation/devicetree/bindings/arm/arm,scmi.txt
> @@ -31,6 +31,14 @@ Optional properties:
>
>  - mbox-names: shall be "tx" or "rx" depending on mboxes entries.
>
> +- interrupts : when using smc or hvc transports, this optional
> +	 property indicates that msg completion by the platform is indicated

s/msg/message/

> +	 by an interrupt rather than by the return of the smc call. This
> +	 should not be used except when the platform requires such behavior.
> +
> +- interrupt-names : the name must be "msg-serviced".

Is this mandatory if "interrupts" is present ?

> +
> +

Extra blank line ?

--
Regards,
Sudeep

      reply	other threads:[~2020-11-11 10:37 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-10 18:38 [PATCH v1 1/2] dt-bindings: arm: Add optional interrupt to smc/hvc SCMI transport Jim Quinlan
2020-11-11 10:37 ` Sudeep Holla [this message]

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