Re: [RFC PATCH 2/4] dt-bindings: firmware: thead,th1520-aon: add a mailbox name for SBI

[Krzysztof Kozlowski]

On 14/08/2025 09:07, Icenowy Zheng wrote:
> The SBI firmware might want to communicate to the AON firmware too.
> 
> Add a mbox-name item to allow to allocate a mailbox for SBI.
> 
> Signed-off-by: Icenowy Zheng <uwu@xxxxxxxxxx>
> ---
>  .../devicetree/bindings/firmware/thead,th1520-aon.yaml     | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/firmware/thead,th1520-aon.yaml b/Documentation/devicetree/bindings/firmware/thead,th1520-aon.yaml
> index 3365124c7fd47..555465f4aab4e 100644
> --- a/Documentation/devicetree/bindings/firmware/thead,th1520-aon.yaml
> +++ b/Documentation/devicetree/bindings/firmware/thead,th1520-aon.yaml
> @@ -26,11 +26,12 @@ properties:
>      const: thead,th1520-aon
>  
>    mboxes:
> -    maxItems: 1
> +    maxItems: 2


ABI break without explanation why ("allow" is not a reason to affect
ABI) and its impact.


Best regards,
Krzysztof