linux-kernel - Re: [PATCH 8/9] dt-bindings: mtd: Split ECC engine with rawnand controller

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Date:   Tue, 29 Nov 2022 02:50:16 +0000
From:   Xiangsheng Hou (侯祥胜) 
        <Xiangsheng.Hou@...iatek.com>
To:     "miquel.raynal@...tlin.com" <miquel.raynal@...tlin.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski@...aro.org" <krzysztof.kozlowski@...aro.org>,
        "broonie@...nel.org" <broonie@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        "gch981213@...il.com" <gch981213@...il.com>,
        "vigneshr@...com" <vigneshr@...com>,
        "richard@....at" <richard@....at>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Benliang Zhao (赵本亮) 
        <Benliang.Zhao@...iatek.com>,
        "linux-spi@...r.kernel.org" <linux-spi@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Bin Zhang (章斌) <bin.zhang@...iatek.com>
Subject: Re: [PATCH 8/9] dt-bindings: mtd: Split ECC engine with rawnand
 controller

Hi Krzysztof,

On Mon, 2022-11-28 at 10:13 +0100, Krzysztof Kozlowski wrote:
> On 28/11/2022 03:06, Xiangsheng Hou wrote:
> > Split MediaTek ECC engine with rawnand controller and convert to
> > YAML schema.
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/mtd/mtk,nand-ecc-
> > engine.yaml
> 
> Wrong vendor prefix. Isn't it mediatek?
Yes, will be fixed.

> > +
> > +  reg:
> > +    items:
> > +      - description: Base physical address and size of ECC.
> > +
> > +  interrupts:
> > +    items:
> > +      - description: ECC interrupt
> > +
> > +  clocks:
> > +    minItems: 1
> 
> Drop minItems.
> 
> > +    items:
> > +      - description: clock used for the controller
> 
> Drop items/description - it is obvious, isn't it? Rather maxItems: 1,
> Unless controller is not obvious in this context - about which
> controller you talk about?
Will be dropped and fix other comment in next series.

> > +
> > +
> > +  nand-ecc-engine:
> > +    description: Required ECC Engine node
> > +    $ref: /schemas/types.yaml#/definitions/phandle
> 
> This does not look right. This is a property of NAND chip and
> original
> binding was saying this as well... or was it called ecc-engine in
> original bindings? But your commit msg did not explain any
> differences
> from pure conversion.
The MediaTek NAND controller driver have change ecc-engine to nand-ecc-
engine property. Will dropped and explain the difference in commit msg.

Best regards,
Xiangsheng Hou