From: Rob Herring <robh@kernel.org>
To: Jim Quinlan <jim2101024@gmail.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>,
bcm-kernel-feedback-list@broadcom.com,
james.quinlan@broadcom.com,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3 1/2] dt-bindings: arm: Add optional interrupt to smc/hvc SCMI transport
Date: Mon, 21 Dec 2020 13:17:37 -0700 [thread overview]
Message-ID: <20201221201737.GA481116@robh.at.kernel.org> (raw)
In-Reply-To: <20201216205805.4221-2-james.quinlan@broadcom.com>
On Wed, Dec 16, 2020 at 03:58:01PM -0500, Jim Quinlan wrote:
> In normal use of smc/hvc transport in SCMI the message completion is
> indicated by the return of the SMC call. This commit provides for an
> optional interrupt named "message-serviced" which is used instead to
s/message-serviced/a2p/
> indicate the completion of a message.
>
> Signed-off-by: Jim Quinlan <james.quinlan@broadcom.com>
checkpatch.pl reports your author and Sob emails don't match.
> ---
> 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 b5ce5b39bb9c..667d58e0a659 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
> + 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 : if "interrupts" is present, interrupt-names must also
> + be present and have the value "a2p".
> +
> See Documentation/devicetree/bindings/mailbox/mailbox.txt for more details
> about the generic mailbox controller and client driver bindings.
>
> --
> 2.17.1
>
next prev parent reply other threads:[~2020-12-21 20:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-16 20:58 [PATCH v3 0/2] firmware: arm_scmi: Augment SMC/HVC to allow optional interrupt Jim Quinlan
2020-12-16 20:58 ` [PATCH v3 1/2] dt-bindings: arm: Add optional interrupt to smc/hvc SCMI transport Jim Quinlan
2020-12-21 20:17 ` Rob Herring [this message]
2020-12-16 20:58 ` [PATCH v3 2/2] firmware: arm_scmi: Augment SMC/HVC to allow optional interrupt Jim Quinlan
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