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From: Arnd Bergmann <arnd@arndb.de>
To: Iyappan Subramanian <isubramanian@apm.com>
Cc: davem@davemloft.net, netdev@vger.kernel.org,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	mlangsdo@redhat.com, patches@apm.com,
	Keyur Chudgar <kchudgar@apm.com>
Subject: Re: [PATCH 2/3] dtb: change binding name to match with newer firmware DT
Date: Fri, 27 Feb 2015 21:33:34 +0100	[thread overview]
Message-ID: <4061014.S4PDWltU3G@wuerfel> (raw)
In-Reply-To: <1425067710-14879-3-git-send-email-isubramanian@apm.com>

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@1f210000 {
> -                       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

  reply	other threads:[~2015-02-27 20:33 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-27 20:08 [PATCH 0/3] Fix backward compatibility of newer firmware with older kernel Iyappan Subramanian
2015-02-27 20:08 ` [PATCH 1/3] Documentation: dts: Update compatible field description for APM X-Gene Iyappan Subramanian
     [not found]   ` <1425067710-14879-2-git-send-email-isubramanian-qTEPVZfXA3Y@public.gmane.org>
2015-02-27 20:15     ` Mark Rutland
2015-02-27 23:58       ` Iyappan Subramanian
2015-03-02 14:17         ` Mark Rutland
2015-02-27 20:08 ` [PATCH 2/3] dtb: change binding name to match with newer firmware DT Iyappan Subramanian
2015-02-27 20:33   ` Arnd Bergmann [this message]
2015-02-27 23:52     ` Iyappan Subramanian
2015-03-02 14:48       ` Mark Rutland
2015-03-03  0:59         ` Iyappan Subramanian
2015-02-27 20:08 ` [PATCH 3/3] drivers: net: xgene: fix new firmware backward compatibility with older driver Iyappan Subramanian
     [not found] ` <1425067710-14879-1-git-send-email-isubramanian-qTEPVZfXA3Y@public.gmane.org>
2015-02-27 20:49   ` [PATCH 0/3] Fix backward compatibility of newer firmware with older kernel David Miller
2015-02-27 23:59     ` Iyappan Subramanian

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