linux-kernel - Re: [PATCH 09/18] ASoC: sti: Update DT example to match the driver code

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Date:	Thu, 21 Apr 2016 13:27:39 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Peter Griffin <peter.griffin@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	srinivas.kandagatla@...il.com, maxime.coquelin@...com,
	patrice.chotard@...com, vinod.koul@...el.com, lee.jones@...aro.org,
	dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
	broonie@...nel.org, ludovic.barre@...com, arnaud.pouliquen@...com
Subject: Re: [PATCH 09/18] ASoC: sti: Update DT example to match the driver code

On Thursday 21 April 2016 12:04:26 Peter Griffin wrote:
> uniperiph-id, version and mode are ST specific bindings and
> need the 'st,' prefix. Update the examples, as otherwise copying
> them yields a runtime error parsing the DT node.
> 
> Signed-off-by: Peter Griffin <peter.griffin@...aro.org>
> Cc: arnaud.pouliquen@...com
> ---
>  .../devicetree/bindings/sound/st,sti-asoc-card.txt         | 14 +++++++-------
>  1 file changed, 7 insertions(+), 7 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/sound/st,sti-asoc-card.txt b/Documentation/devicetree/bindings/sound/st,sti-asoc-card.txt
> index 028fa1c..ef2e0c6 100644
> --- a/Documentation/devicetree/bindings/sound/st,sti-asoc-card.txt
> +++ b/Documentation/devicetree/bindings/sound/st,sti-asoc-card.txt
> @@ -67,9 +67,9 @@ Example:
>                 dmas = <&fdma0 4 0 1>;
>                 dai-name = "Uni Player #1 (DAC)";
>                 dma-names = "tx";
> -               uniperiph-id = <2>;
> -               version = <5>;
> -               mode = "PCM";
> +               st,uniperiph-id = <2>;
> +               st,version = <5>;
> +               st,mode = "PCM";
>         };

You don't change the binding desciption here, only the example,
so they no longer match.

What is st,uniperiph-id needed for anyway? It's often an indication
that you are doing something wrong if you need this.

	Arnd