linux-kernel - RE: [EXT] Re: [PATCH v9 1/2] dt-bindings: fsl-imx-sdma: Convert imx sdma to DT schema

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Date:   Fri, 4 Nov 2022 05:10:22 +0000
From:   Joy Zou <joy.zou@....com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        "vkoul@...nel.org" <vkoul@...nel.org>,
        "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>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>
CC:     "S.J. Wang" <shengjiu.wang@....com>,
        "martink@...teo.de" <martink@...teo.de>,
        "dev@...xeye.de" <dev@...xeye.de>,
        "alexander.stein@...tq-group.com" <alexander.stein@...tq-group.com>,
        Peng Fan <peng.fan@....com>, "david@...t.cz" <david@...t.cz>,
        "aford173@...il.com" <aford173@...il.com>,
        Hongxing Zhu <hongxing.zhu@....com>,
        dl-linux-imx <linux-imx@....com>,
        "dmaengine@...r.kernel.org" <dmaengine@...r.kernel.org>,
        "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>
Subject: RE: [EXT] Re: [PATCH v9 1/2] dt-bindings: fsl-imx-sdma: Convert imx
 sdma to DT schema


> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Sent: 2022年11月3日 21:54
> To: Joy Zou <joy.zou@....com>; vkoul@...nel.org; robh+dt@...nel.org;
> krzysztof.kozlowski+dt@...aro.org; shawnguo@...nel.org;
> s.hauer@...gutronix.de; kernel@...gutronix.de; festevam@...il.com
> Cc: S.J. Wang <shengjiu.wang@....com>; martink@...teo.de;
> dev@...xeye.de; alexander.stein@...tq-group.com; Peng Fan
> <peng.fan@....com>; david@...t.cz; aford173@...il.com; Hongxing Zhu
> <hongxing.zhu@....com>; dl-linux-imx <linux-imx@....com>;
> dmaengine@...r.kernel.org; devicetree@...r.kernel.org;
> linux-arm-kernel@...ts.infradead.org; linux-kernel@...r.kernel.org
> Subject: [EXT] Re: [PATCH v9 1/2] dt-bindings: fsl-imx-sdma: Convert imx sdma
> to DT schema
> 
> Caution: EXT Email
> 
> On 31/10/2022 06:50, Joy Zou wrote:
> > Convert the i.MX SDMA binding to DT schema format using json-schema.
> >
> > The compatibles fsl,imx31-to1-sdma, fsl,imx31-to2-sdma,
> > fsl,imx35-to1-sdma and fsl,imx35-to2-sdma are not used. So need to
> > delete it. The compatibles fsl,imx50-sdma, fsl,imx6sll-sdma and
> > fsl,imx6sl-sdma are added. The original binding don't list all compatible used.
> >
> > In addition, add new peripheral types HDMI Audio.
> >
> > Signed-off-by: Joy Zou <joy.zou@....com>
> > ---
> > Changes in v9:
> > add the dma-common quotes.
> > delete the dma-controller quotes.
> 
> I have no clue what you are doing here... Do you know what are "quotes"?
> I linked last time explanation of "quotes", so did you read it?
Thank you very much for your comments.
I confused quote and quotes. Could I confirm my understand？
The quote means $ref: ?
The quotes means a symbol "?
> 
> 
> >
> > Changes in v8:
> > add the dma-controller quotes.
> > delete #dma-cells in required.
> >
> > Changes in v6:
> > delete tag Acked-by from commit message.
> >
> > Changes in v5:
> > modify the commit message fromat.
> > add additionalProperties, because delete the quotes in patch v4.
> > delete unevaluatedProperties due to similar to additionalProperties.
> > modification fsl,sdma-event-remap items and description.
> >
> > Changes in v4:
> > modify the commit message.
> > delete the quotes in patch.
> > modify the compatible in patch.
> > delete maxitems and add items for clock-names property.
> > add iram property.
> >
> > Changes in v3:
> > modify the commit message.
> > modify the filename.
> > modify the maintainer.
> > delete the unnecessary comment.
> > modify the compatible and run dt_binding_check and dtbs_check.
> > add clocks and clock-names property.
> > delete the reg description and add maxItems.
> > delete the interrupts description and add maxItems.
> > add ref for gpr property.
> > modify the fsl,sdma-event-remap ref type and add items.
> > delete consumer example.
> >
> > Changes in v2:
> > convert imx sdma bindings to DT schema.
> > ---
> >  .../devicetree/bindings/dma/fsl,imx-sdma.yaml | 149
> > ++++++++++++++++++  .../devicetree/bindings/dma/fsl-imx-sdma.txt  |
> > 118 --------------
> >  2 files changed, 149 insertions(+), 118 deletions(-)  create mode
> > 100644 Documentation/devicetree/bindings/dma/fsl,imx-sdma.yaml
> >  delete mode 100644
> > Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt
> >
> > diff --git a/Documentation/devicetree/bindings/dma/fsl,imx-sdma.yaml
> > b/Documentation/devicetree/bindings/dma/fsl,imx-sdma.yaml
> > new file mode 100644
> > index 000000000000..95d0391a1f39
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/dma/fsl,imx-sdma.yaml
> > @@ -0,0 +1,149 @@
> > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause %YAML 1.2
> > +---
> > +$id:
> > +https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdevi
> >
> +cetree.org%2Fschemas%2Fdma%2Ffsl%2Cimx-sdma.yaml%23&amp;data=05
> %7C01%
> >
> +7Cjoy.zou%40nxp.com%7Cd8f785d11ac042ebd7d908dabda2d753%7C686ea
> 1d3bc2b
> >
> +4c6fa92cd99c5c301635%7C0%7C0%7C638030804342124191%7CUnknown
> %7CTWFpbGZ
> >
> +sb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6M
> n0%
> >
> +3D%7C3000%7C%7C%7C&amp;sdata=3XpKUGv751na%2BV4OYDQEvGQxeeT
> 4UbW0wizQkM
> > +yfx4k%3D&amp;reserved=0
> > +$schema:
> > +https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdevi
> >
> +cetree.org%2Fmeta-schemas%2Fcore.yaml%23&amp;data=05%7C01%7Cjoy.z
> ou%4
> >
> +0nxp.com%7Cd8f785d11ac042ebd7d908dabda2d753%7C686ea1d3bc2b4c6
> fa92cd99
> >
> +c5c301635%7C0%7C0%7C638030804342124191%7CUnknown%7CTWFpbG
> Zsb3d8eyJWIj
> >
> +oiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3
> 000%7
> >
> +C%7C%7C&amp;sdata=nnBXK4c%2FiA1ncohiak4CXEQGbp5uhDq835RK9%2B
> BYdJw%3D&
> > +amp;reserved=0
> > +
> > +title: Freescale Smart Direct Memory Access (SDMA) Controller for
> > +i.MX
> > +
> > +maintainers:
> > +  - Joy Zou <joy.zou@....com>
> > +
> > +allOf:
> > +  - $ref: dma-common.yaml#
> 
> That's wrong. This should be dma-controller. Why this was changed?
Thank you very much for your comments.
I remember your comments in patch v6.
"The device schemas do not need to enforce the name. The dma-controller schema enforces it, so what is missing here is to reference it."
So I change it.
Should I use dma-controller?
BR
Joy Zou
> 
> 
> 
> Best regards,
> Krzysztof