linux-kernel - Re: [PATCH 1/3] dt-bindings: mailbox: mediatek,gce-mailbox: Add mediatek,gce-events definition

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Date: Wed, 20 Dec 2023 07:33:31 +0000
From: Jason-JH Lin (林睿祥) <Jason-JH.Lin@...iatek.com>
To: "jassisinghbrar@...il.com" <jassisinghbrar@...il.com>,
	"matthias.bgg@...il.com" <matthias.bgg@...il.com>,
	"krzysztof.kozlowski@...aro.org" <krzysztof.kozlowski@...aro.org>,
	"angelogioacchino.delregno@...labora.com"
	<angelogioacchino.delregno@...labora.com>, "robh+dt@...nel.org"
	<robh+dt@...nel.org>, "krzysztof.kozlowski+dt@...aro.org"
	<krzysztof.kozlowski+dt@...aro.org>, "chunkuang.hu@...nel.org"
	<chunkuang.hu@...nel.org>
CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mediatek@...ts.infradead.org" <linux-mediatek@...ts.infradead.org>,
	Singo Chang (張興國) <Singo.Chang@...iatek.com>,
	Johnson Wang (王聖鑫) <Johnson.Wang@...iatek.com>,
	"linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Jason-ch Chen (陳建豪)
	<Jason-ch.Chen@...iatek.com>, Shawn Sung (宋孝謙)
	<Shawn.Sung@...iatek.com>, "mchehab@...nel.org" <mchehab@...nel.org>,
	Nancy Lin (林欣螢) <Nancy.Lin@...iatek.com>,
	"conor+dt@...nel.org" <conor+dt@...nel.org>,
	Project_Global_Chrome_Upstream_Group
	<Project_Global_Chrome_Upstream_Group@...iatek.com>,
	"linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 1/3] dt-bindings: mailbox: mediatek,gce-mailbox: Add
 mediatek,gce-events definition

Hi Krzysztof,

Thanks for the reviews.

On Wed, 2023-12-20 at 08:07 +0100, Krzysztof Kozlowski wrote:
>  	 
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
>  On 18/12/2023 09:36, Jason-JH.Lin wrote:
> > Since mediatek,gce-events property is a HW event signal from GCE,
> > it should be defined in mediatek,gce-mailbox.yaml and change the
> 
> Why? None of the bindings reference it. Did you just move property
> from
> one device to completely different one?
> 
> > description of mediatek,gce-events property in other bindings to
> > reference mediatek,gce-mailbox.yaml.
> > 
> > Signed-off-by: Jason-JH.Lin <jason-jh.lin@...iatek.com>
> > ---
> >  .../devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml  | 7
> +++++++
> >  1 file changed, 7 insertions(+)
> > 
> > diff --git
> a/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml 
> b/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml
> > index cef9d7601398..e4da0a58c943 100644
> > --- a/Documentation/devicetree/bindings/mailbox/mediatek,gce-
> mailbox.yaml
> > +++ b/Documentation/devicetree/bindings/mailbox/mediatek,gce-
> mailbox.yaml
> > @@ -49,6 +49,13 @@ properties:
> >      items:
> >        - const: gce
> >  
> > +  mediatek,gce-events:
> > +    description:
> > +      The event id which is mapping to the specific hardware event
> signal
> > +      to gce. The event id is defined in the gce header
> > +      include/dt-bindings/gce/<chip>-gce.h of each chips.
> > +    $ref: /schemas/types.yaml#/definitions/uint32-array
> 
> Where are the constraints?
> 
Since the GCE HW event id rage is 0~1023,
I would add minItems: 1 and maxItems: 1024 here.

Regards
Jason-JH.Lin

> Best regards,
> Krzysztof
>