linux-kernel - Re: [PATCH V2] dt-bindings: nvmem: move deprecated cells binding to its own file

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Date:   Tue, 24 Oct 2023 17:41:31 +0200
From:   Rafał Miłecki <rafal@...ecki.pl>
To:     Rob Herring <robh@...nel.org>
Cc:     Rafał Miłecki <zajec5@...il.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Hector Martin <marcan@...can.st>,
        Sven Peter <sven@...npeter.dev>,
        Alyssa Rosenzweig <alyssa@...enzweig.io>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Claudiu Beznea <claudiu.beznea@...on.dev>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Vincent Shih <vincent.sunplus@...il.com>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Christian Marangi <ansuelsmth@...il.com>,
        Anson Huang <Anson.Huang@....com>,
        Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
        Lala Lin <lala.lin@...iatek.com>,
        Komal Bajaj <quic_kbajaj@...cinc.com>,
        Kumar Thella <sthella@...eaurora.org>,
        Keiji Hayashibara <hayashibara.keiji@...ionext.com>,
        linux-mtd@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, asahi@...ts.linux.dev,
        linux-arm-msm@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        linux-rtc@...r.kernel.org, linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH V2] dt-bindings: nvmem: move deprecated cells binding to
 its own file

On 2023-10-24 16:24, Rob Herring wrote:
> On Tue, Oct 03, 2023 at 08:40:18AM +0200, Rafał Miłecki wrote:
>> From: Rafał Miłecki <rafal@...ecki.pl>
>> 
>> Support for old NVMEM fixed cells was deprecated in favour of
>> "fixed-layout". It's still part of the nvmem.yaml though and may be
>> unknowingly used by new bindings added without much of analyze.
>> 
>> To make it more difficult to accidentally support old syntax move its
>> binding to separated file with "deprecated" in its name.
>> 
>> Signed-off-by: Rafał Miłecki <rafal@...ecki.pl>
>> ---
>> V2: Fix path to nvmem-deprecated-cells.yaml in amlogic,meson6-rtc.yaml
>> 
>>  .../devicetree/bindings/mtd/mtd.yaml          |  7 ++++-
>>  .../bindings/mtd/partitions/nvmem-cells.yaml  |  1 +
>>  .../nvmem/amlogic,meson-gxbb-efuse.yaml       |  1 +
>>  .../bindings/nvmem/amlogic,meson6-efuse.yaml  |  1 +
>>  .../bindings/nvmem/apple,efuses.yaml          |  1 +
>>  .../devicetree/bindings/nvmem/imx-ocotp.yaml  |  1 +
>>  .../bindings/nvmem/mediatek,efuse.yaml        |  1 +
>>  .../nvmem/microchip,sama7g5-otpc.yaml         |  1 +
>>  .../devicetree/bindings/nvmem/mxs-ocotp.yaml  |  1 +
>>  .../nvmem/nvmem-deprecated-cells.yaml         | 28 
>> +++++++++++++++++++
>>  .../devicetree/bindings/nvmem/nvmem.yaml      |  9 ------
>>  .../bindings/nvmem/qcom,qfprom.yaml           |  1 +
>>  .../bindings/nvmem/qcom,sec-qfprom.yaml       |  1 +
>>  .../bindings/nvmem/qcom,spmi-sdam.yaml        |  1 +
>>  .../bindings/nvmem/rockchip,otp.yaml          |  1 +
>>  .../bindings/nvmem/rockchip-efuse.yaml        |  1 +
>>  .../nvmem/socionext,uniphier-efuse.yaml       |  1 +
>>  .../bindings/nvmem/sunplus,sp7021-ocotp.yaml  |  1 +
>>  .../bindings/rtc/amlogic,meson6-rtc.yaml      |  1 +
>>  19 files changed, 50 insertions(+), 10 deletions(-)
>>  create mode 100644 
>> Documentation/devicetree/bindings/nvmem/nvmem-deprecated-cells.yaml
> 
> You missed allwinner,sun4i-a10-sid.yaml and at24.yaml
> (arch/arm/boot/dts/broadcom/bcm53016-meraki-mr32.dts). Maybe we want to
> fix the latter case because at24 will continually have new users.

I see. I looked at examples and DTS files with "allwinner,sun4i-a10-sid"
binding but I missed others. For reference fixed cells are used in:
1. sun50i-a64.dtsi
2. sun50i-h6.dtsi
3. sun50i-a100.dtsi

I'll fix that soon!

-- 
Rafał Miłecki