linux-kernel - Re: [PATCH V2] dt-bindings: mailbox: xlnx,zynqmp-ipi-mailbox: Document msg region requirement

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Message-ID: <176849733940.905812.13413704726753399789.robh@kernel.org>
Date: Thu, 15 Jan 2026 11:15:39 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Harini T <harini.t@....com>
Cc: krzk+dt@...nel.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	jassisinghbrar@...il.com, shubhrajyoti.datta@....com, git@....com,
	michal.simek@....com, conor+dt@...nel.org
Subject: Re: [PATCH V2] dt-bindings: mailbox: xlnx,zynqmp-ipi-mailbox:
 Document msg region requirement


On Fri, 09 Jan 2026 11:52:59 +0530, Harini T wrote:
> Add description clarifying that for Versal IPI mailboxes, both host and
> remote agents must have the "msg" register region defined for successful
> message passing. Without both, only notification-based communication
> works.
> 
> Signed-off-by: Harini T <harini.t@....com>
> ---
> Changes in V2:
> - The description regarding the "msg" register region requirement for Versal IPI
> mailboxes was moved from the conditional schema section to the main description
> block at the top of the YAML file.
> 
> V1 link: https://lore.kernel.org/all/20251222044653.1757886-1-harini.t@amd.com/
> ---
>  .../bindings/mailbox/xlnx,zynqmp-ipi-mailbox.yaml     | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 

Acked-by: Rob Herring (Arm) <robh@...nel.org>