linux-kernel - Re: [PATCH V2 2/6] dt-bindings: soc: imx: add i.MX8MP vpu blk ctrl

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Date:   Wed, 13 Jul 2022 11:11:50 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Peng Fan <peng.fan@....com>,
        "Peng Fan (OSS)" <peng.fan@....nxp.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "l.stach@...gutronix.de" <l.stach@...gutronix.de>
Cc:     "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        dl-linux-imx <linux-imx@....com>,
        "laurent.pinchart@...asonboard.com" 
        <laurent.pinchart@...asonboard.com>,
        "marex@...x.de" <marex@...x.de>,
        "paul.elder@...asonboard.com" <paul.elder@...asonboard.com>,
        "aford173@...il.com" <aford173@...il.com>,
        "Markus.Niebel@...tq-group.com" <Markus.Niebel@...tq-group.com>,
        "alexander.stein@...tq-group.com" <alexander.stein@...tq-group.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Aisheng Dong <aisheng.dong@....com>
Subject: Re: [PATCH V2 2/6] dt-bindings: soc: imx: add i.MX8MP vpu blk ctrl

On 13/07/2022 11:03, Peng Fan wrote:
> Hi Krzysztof,
> 
>> Subject: Re: [PATCH V2 2/6] dt-bindings: soc: imx: add i.MX8MP vpu blk ctrl
>>
>> On 13/07/2022 08:36, Peng Fan (OSS) wrote:
>>> From: Peng Fan <peng.fan@....com>
>>>
>>> i.MX8MP VPU blk ctrl module has similar design as i.MX8MM, so reuse
>>> the i.MX8MM VPU blk ctrl yaml file. And add description for the items.
>>>
>>> Signed-off-by: Peng Fan <peng.fan@....com>
>>> ---
>>>  .../soc/imx/fsl,imx8mm-vpu-blk-ctrl.yaml      | 93 ++++++++++++++++---
>>>  include/dt-bindings/power/imx8mp-power.h      |  4 +
>>>  2 files changed, 86 insertions(+), 11 deletions(-)
>>>
>>> diff --git
>>> a/Documentation/devicetree/bindings/soc/imx/fsl,imx8mm-vpu-blk-
>> ctrl.ya
>>> ml
>>> b/Documentation/devicetree/bindings/soc/imx/fsl,imx8mm-vpu-blk-
>> ctrl.ya
>>> ml index 26487daa64d9..d05930f61f95 100644
>>> ---
>>> a/Documentation/devicetree/bindings/soc/imx/fsl,imx8mm-vpu-blk-
>> ctrl.ya
>>> ml
>>> +++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx8mm-vpu-blk-
>> ctr
>>> +++ l.yaml
>>> @@ -28,24 +28,15 @@ properties:
>>>
>>>    power-domains:
>>>      minItems: 4
>>> -    maxItems: 4
>>
>> This is not correct. maxItems must stay, but you could drop minItems,
>> prefferrably in separate patch.
> [Peng Fan] 
> 
> Ok, I will only keep maxItems. For separate patch, you mean
> separate adding description for i.MX8MM to one patch, right?

I mean, a new patch doing cleanup. You currently have minItems and
maxItems set as the same value. In such case minItems is not necessary.
You could remove all of minItems (when equal to maxItems) before adding
new device support.


Best regards,
Krzysztof