linux-kernel - Re: [PATCH V1 RESEND 2/3] bindings/perf/imx-ddr: update compatible string

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Message-ID: <20200519184713.GA453195@bogus>
Date:   Tue, 19 May 2020 12:47:13 -0600
From:   Rob Herring <robh@...nel.org>
To:     Joakim Zhang <qiangqing.zhang@....com>
Cc:     john.garry@...wei.com, will@...nel.org, mark.rutland@....com,
        shawnguo@...nel.org, linux-imx@....com,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V1 RESEND 2/3] bindings/perf/imx-ddr: update compatible
 string

On Tue, May 12, 2020 at 03:31:14PM +0800, Joakim Zhang wrote:
> Update compatible string according to driver change.`

Why?

You are breaking compatibility.

> 
> Signed-off-by: Joakim Zhang <qiangqing.zhang@....com>
> ---
>  Documentation/devicetree/bindings/perf/fsl-imx-ddr.txt | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/perf/fsl-imx-ddr.txt b/Documentation/devicetree/bindings/perf/fsl-imx-ddr.txt
> index 7822a806ea0a..b27a1d4fec78 100644
> --- a/Documentation/devicetree/bindings/perf/fsl-imx-ddr.txt
> +++ b/Documentation/devicetree/bindings/perf/fsl-imx-ddr.txt
> @@ -4,7 +4,9 @@ Required properties:
>  
>  - compatible: should be one of:
>  	"fsl,imx8-ddr-pmu"
> -	"fsl,imx8m-ddr-pmu"
> +	"fsl,imx8mq-ddr-pmu"
> +	"fsl,imx8mm-ddr-pmu"
> +	"fsl,imx8mn-ddr-pmu"
>  	"fsl,imx8mp-ddr-pmu"
>  
>  - reg: physical address and size
> -- 
> 2.17.1
>