linux-kernel - Re: [PATCH v3 1/2] dt-bindings: remoteproc: stm32-rproc: add new mailbox channel for detach

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Date:   Tue, 30 Mar 2021 09:14:53 +0200
From:   Arnaud POULIQUEN <arnaud.pouliquen@...s.st.com>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Ohad Ben-Cohen <ohad@...ery.com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Rob Herring <robh+dt@...nel.org>
CC:     <linux-remoteproc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: Re: [PATCH v3 1/2] dt-bindings: remoteproc: stm32-rproc: add new
 mailbox channel for detach

Hello Rob,

Seems I made a mistake in my mailing list, you are not in...
Please could you review the bindings?
if it is easier for you i can resend the series.

Thanks,
Arnaud

On 3/26/21 10:42 AM, Arnaud Pouliquen wrote:
> Add the "detach" mailbox item, that allows to define a mailbox to
> send a IPCC signal to the remote processor on remoteproc detach action.
> 
> Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@...s.st.com>
> ---
> No Update from V2.
> 
> Update from V1:
> Fix indentation error reported by 'make dt_binding_check'.
> 
> ---
>  .../bindings/remoteproc/st,stm32-rproc.yaml           | 11 +++++++++--
>  1 file changed, 9 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml
> index a1171dfba024..64afdcfb613d 100644
> --- a/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml
> +++ b/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml
> @@ -65,16 +65,23 @@ properties:
>            Unidirectional channel:
>              - from local to remote, where ACK from the remote means that it is
>                ready for shutdown
> +      - description: |
> +          A channel (d) used by the local proc to notify the remote proc that it
> +          has to stop interprocessor communnication.
> +          Unidirectional channel:
> +            - from local to remote, where ACK from the remote means that communnication
> +              as been stopped on the remote side.
>      minItems: 1
> -    maxItems: 3
> +    maxItems: 4
>  
>    mbox-names:
>      items:
>        - const: vq0
>        - const: vq1
>        - const: shutdown
> +      - const: detach
>      minItems: 1
> -    maxItems: 3
> +    maxItems: 4
>  
>    memory-region:
>      description:
>