linux-kernel - Re: [PATCH V4 1/3] dt-bindings: mmc: imx-esdhc: Update compatible fallbacks

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 12 Apr 2022 14:09:20 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Adam Ford <aford173@...il.com>
Cc:     linux-mmc@...r.kernel.org, aford@...conembedded.com,
        haibo.chen@....com, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        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>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V4 1/3] dt-bindings: mmc: imx-esdhc: Update compatible fallbacks

On Sun, 10 Apr 2022 at 21:35, Adam Ford <aford173@...il.com> wrote:
>
> The SDHC controller in the imx8mn and imx8mp have the same controller
> as the imx8mm which is slightly different than that of the imx7d.
>
> Using the fallback of the imx8mm enables the controllers to support
> HS400-ES which is not available on the imx7d. After discussion with NXP,
> it turns out that the imx8qm should fall back to the imx8qxp, because
> those have some additional flags not present in the imx8mm.
>
> Mark the current state of the fallbacks as deprecated, and add the
> proper fallbacks so in the future, the deprecated combination can be
> removed and prevent any future devices from using the wrong fallback.
>
> Suggested-by: haibo.chen@....com
> Signed-off-by: Adam Ford <aford173@...il.com>

Applied for next, thanks!

Kind regards
Uffe


> ---
> V4:  Mark deprecated items with "deprecated: true" instead of a comment
> V3:  Add support for the interim fallback on imx8mn and imx8mp where
>      they both fallback to imx8mm, but keep the imx7d to prevent any
>      breakage.
>
> diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml
> index 7dbbcae9485c..58447095f000 100644
> --- a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml
> +++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml
> @@ -34,22 +34,46 @@ properties:
>            - fsl,imx6ull-usdhc
>            - fsl,imx7d-usdhc
>            - fsl,imx7ulp-usdhc
> +          - fsl,imx8mm-usdhc
>            - fsl,imxrt1050-usdhc
>            - nxp,s32g2-usdhc
> +      - items:
> +          - enum:
> +              - fsl,imx8mq-usdhc
> +          - const: fsl,imx7d-usdhc
> +      - items:
> +          - enum:
> +              - fsl,imx8mn-usdhc
> +              - fsl,imx8mp-usdhc
> +              - fsl,imx93-usdhc
> +              - fsl,imx8ulp-usdhc
> +          - const: fsl,imx8mm-usdhc
> +      - items:
> +          - enum:
> +              - fsl,imx8qm-usdhc
> +          - const: fsl,imx8qxp-usdhc
>        - items:
>            - enum:
>                - fsl,imx8mm-usdhc
>                - fsl,imx8mn-usdhc
>                - fsl,imx8mp-usdhc
> -              - fsl,imx8mq-usdhc
>                - fsl,imx8qm-usdhc
>                - fsl,imx8qxp-usdhc
>            - const: fsl,imx7d-usdhc
> +        deprecated: true
>        - items:
>            - enum:
> -              - fsl,imx93-usdhc
> -              - fsl,imx8ulp-usdhc
> +              - fsl,imx8mn-usdhc
> +              - fsl,imx8mp-usdhc
>            - const: fsl,imx8mm-usdhc
> +          - const: fsl,imx7d-usdhc
> +        deprecated: true
> +      - items:
> +          - enum:
> +              - fsl,imx8qm-usdhc
> +          - const: fsl,imx8qxp-usdhc
> +          - const: fsl,imx7d-usdhc
> +        deprecated: true
>
>    reg:
>      maxItems: 1
> --
> 2.34.1
>