linux-kernel - Re: [PATCH v2 4/5] dt-bindings: mmc: sdhci-cadence: SD6 support

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Date:   Mon, 20 Feb 2023 05:22:14 -0800
From:   Piyush Malgujar <pmalgujar@...vell.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
CC:     <linux-mmc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <adrian.hunter@...el.com>, <ulf.hansson@...aro.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <yamada.masahiro@...ionext.com>, <devicetree@...r.kernel.org>,
        <jannadurai@...vell.com>, <cchavva@...vell.com>
Subject: Re: [PATCH v2 4/5] dt-bindings: mmc: sdhci-cadence: SD6 support

Hi Krzysztof,

Thank you for your review comments.

On Mon, Jan 23, 2023 at 08:42:54PM +0100, Krzysztof Kozlowski wrote:
> On 23/01/2023 20:27, Piyush Malgujar wrote:
> > From: Jayanthi Annadurai <jannadurai@...vell.com>
> > 
> > Add support for SD6 controller support.
> 
> This is a friendly reminder during the review process.
> 
> It seems my previous comments were not fully addressed. Maybe my
> feedback got lost between the quotes, maybe you just forgot to apply it.
> Please go back to the previous discussion and either implement all
> requested changes or keep discussing them.
> 
> Thank you.
> 
> > 
> > Signed-off-by: Jayanthi Annadurai <jannadurai@...vell.com>
> > Signed-off-by: Piyush Malgujar <pmalgujar@...vell.com>
> > ---
> >  .../devicetree/bindings/mmc/cdns,sdhci.yaml   | 34 +++++++++++++++++--
> >  1 file changed, 32 insertions(+), 2 deletions(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml b/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
> > index 8b1a0fdcb5e3e2e8b87d8d7678e37f3dad447fc1..26ef2804aa9e17c583adaa906338ec7af8c4990b 100644
> > --- a/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
> > +++ b/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
> > @@ -4,7 +4,7 @@
> >  $id: http://devicetree.org/schemas/mmc/cdns,sdhci.yaml#
> >  $schema: http://devicetree.org/meta-schemas/core.yaml#
> >  
> > -title: Cadence SD/SDIO/eMMC Host Controller (SD4HC)
> > +title: Cadence SD/SDIO/eMMC Host Controller (SD4HC, SD6HC)
> >  
> >  maintainers:
> >    - Masahiro Yamada <yamada.masahiro@...ionext.com>
> > @@ -18,7 +18,9 @@ properties:
> >        - enum:
> >            - microchip,mpfs-sd4hc
> >            - socionext,uniphier-sd4hc
> > -      - const: cdns,sd4hc
> > +      - enum:
> > +          - cdns,sd4hc
> > +          - cdns,sd6hc
> >  
> >    reg:
> >      maxItems: 1
> > @@ -111,6 +113,34 @@ properties:
> >      minimum: 0
> >      maximum: 0x7f
> >  
> > +  cdns,iocell-input-delay:
> > +    description: Delay in ps across the input IO cells
> 
> Use proper unit suffix -ps, so ref wont' be needed.
> 
> This comment was also ignored.
> 
> > +    $ref: "/schemas/types.yaml#/definitions/uint32"
> > +
> > +  cdns,iocell-output-delay:
> > +    description: Delay in ps across the output IO cells
> 
> Ditto
> 
> > +    $ref: "/schemas/types.yaml#/definitions/uint32"
> > +
> > +  cdns,delay-element:
> > +    description: Delay element in ps used for calculating phy timings
> 
> Ditto
> 

Yes, will add -ps and remove the $ref.

> > +    $ref: "/schemas/types.yaml#/definitions/uint32"
> > +
> > +  cdns,read-dqs-cmd-delay:
> > +    description: Command delay used in HS200 tuning
> 
> What are the units?
> 
> > +    $ref: "/schemas/types.yaml#/definitions/uint32"
> 
> Drop quotes (everywhere)
> 
> > +
> > +  cdns,tune-val-start:
> > +    description: Staring value of data delay used in HS200 tuning
> 
> Same problem - missing units.
> 

These are integer values, will add in the description that these units are integer used
in tuning. Also, will remove the $ref.

> > +    $ref: "/schemas/types.yaml#/definitions/uint32"
> > +
> 
> 
> I don't get why the feedback has to be repeated. It's a bit a waste of
> time, isn't it?
> 
> Best regards,
> Krzysztof
> 

Please let me know if with above changes, it will be good and acceptable for V3.

Thanks,
Piyush