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Date:   Mon, 8 Jul 2019 13:55:44 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        Simon Horman <simon.horman@...ronome.com>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        DTML <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH v2] dt-binding: mmc: rename tmio_mmc.txt to renesas,sdhi.txt

On Mon, 24 Jun 2019 at 09:04, Masahiro Yamada
<yamada.masahiro@...ionext.com> wrote:
>
> As commit b6147490e6aa ("mmc: tmio: split core functionality, DMA and
> MFD glue") said, these MMC controllers use the IP from Panasonic.
>
> TMIO (Toshiba Mobile IO) MMC was the first upstreamed user of this IP.
> The common driver code was split and expanded as 'tmio-mmc-core', then
> it became historical misnomer since 'tmio' is not the name of this IP.
>
> In the discussion [1], we decide to keep this name as-is at least in
> Linux driver level because renaming everything is a big churn.
>
> However, DT should not be oriented to a particular project even though
> it is mainly developed in Linux communities.
>
> This is the misfortune only in Linux. Let's stop exporting it to other
> projects, where there is no good reason to call this hardware "TMIO".
> Rename the file to renesas,sdhi.txt. In fact, all the information in
> this file is specific to the Renesas platform.
>
> This commit also removes the first paragraph entirely. The DT-binding
> should describe the hardware. It is strange to talk about Linux driver
> internals such as how the drivers are probed, how platform data are
> handed off, etc.
>
> [1] https://www.spinics.net/lists/linux-mmc/msg46952.html
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>

Applied for next, thanks!

Kind regards
Uffe


> ---
>
> Changes in v2:
>  - Rename to renesas,sdhi.txt instead of renesas_sdhi.txt
>
>  .../bindings/mmc/{tmio_mmc.txt => renesas,sdhi.txt}   | 11 +----------
>  1 file changed, 1 insertion(+), 10 deletions(-)
>  rename Documentation/devicetree/bindings/mmc/{tmio_mmc.txt => renesas,sdhi.txt} (87%)
>
> diff --git a/Documentation/devicetree/bindings/mmc/tmio_mmc.txt b/Documentation/devicetree/bindings/mmc/renesas,sdhi.txt
> similarity index 87%
> rename from Documentation/devicetree/bindings/mmc/tmio_mmc.txt
> rename to Documentation/devicetree/bindings/mmc/renesas,sdhi.txt
> index 2b4f17ca9087..dd08d038a65c 100644
> --- a/Documentation/devicetree/bindings/mmc/tmio_mmc.txt
> +++ b/Documentation/devicetree/bindings/mmc/renesas,sdhi.txt
> @@ -1,13 +1,4 @@
> -* Toshiba Mobile IO SD/MMC controller
> -
> -The tmio-mmc driver doesn't probe its devices actively, instead its binding to
> -devices is managed by either MFD drivers or by the sh_mobile_sdhi platform
> -driver. Those drivers supply the tmio-mmc driver with platform data, that either
> -describe hardware capabilities, known to them, or are obtained by them from
> -their own platform data or from their DT information. In the latter case all
> -compulsory and any optional properties, common to all SD/MMC drivers, as
> -described in mmc.txt, can be used. Additionally the following tmio_mmc-specific
> -optional bindings can be used.
> +* Renesas SDHI SD/MMC controller
>
>  Required properties:
>  - compatible: should contain one or more of the following:
> --
> 2.17.1
>

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