netdev - Re: [PATCH 2/3] dtb: change binding name to match with newer firmware DT

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Message-ID: <4061014.S4PDWltU3G@wuerfel>
Date:	Fri, 27 Feb 2015 21:33:34 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Iyappan Subramanian <isubramanian@....com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	mlangsdo@...hat.com, patches@....com,
	Keyur Chudgar <kchudgar@....com>
Subject: Re: [PATCH 2/3] dtb: change binding name to match with newer firmware DT

On Friday 27 February 2015 12:08:29 Iyappan Subramanian wrote:
> diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi b/arch/arm64/boot/dts/apm/apm-storm.dtsi
> index f1ad9c2..a857794 100644
> --- a/arch/arm64/boot/dts/apm/apm-storm.dtsi
> +++ b/arch/arm64/boot/dts/apm/apm-storm.dtsi
> @@ -622,7 +622,7 @@
>                 };
>  
>                 sgenet0: ethernet@...10000 {
> -                       compatible = "apm,xgene-enet";
> +                       compatible = "apm,xgene1-sgenet";
>                         status = "disabled";
>                         reg = <0x0 0x1f210000 0x0 0xd100>,
>                               <0x0 0x1f200000 0x0 0Xc300>,
> 

This will break booting the new dtb on older kernels, right?

You should normally list the most generic model in addition to the
specific one.

	Arnd
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