Re: [PATCH] dt-binding: mmc: rename tmio_mmc.txt to renesas_sdhi.txt

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On Fri, Jun 21, 2019 at 12:50:10PM +0900, Masahiro Yamada 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 become historical misnomer since 'tmio' is not the name of this IP
> in the first place.
> 
> In the discussion [1], we decide to keep calling these MMC variants
> 'TMIO MMC' at least in Linux driver level because renaming all of them
> is a big churn.
> 
> However, DT should not be oriented to a particular project even though
> it is developed in Linux communities.
> 
> Let's stop exporting this unfortunate things to other projects, where
> there is no good reason to call this "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 really 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@xxxxxxxxxxxxx>
> ---
> 
> I sent this before, but it was dismissed somehow.
> I am resending this.

Hi Yamada-san,

I for one am fine with this change.

My minor nit is that I think that renesas,sdhi.txt would be a slightly
better filename in terms of consistency with other renesas bindings
documentation filenames.

> 
> 
>  .../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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