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From: maxime.ripard@free-electrons.com (Maxime Ripard)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 8/8] ARM: dts: sun7i: Add ethernet alias for GMAC
Date: Mon, 3 Feb 2014 20:38:02 +0100	[thread overview]
Message-ID: <20140203193802.GE25625@lukather> (raw)
In-Reply-To: <1391398346-5094-9-git-send-email-wens@csie.org>

On Mon, Feb 03, 2014 at 11:32:26AM +0800, Chen-Yu Tsai wrote:
> U-Boot will insert MAC address into the device tree image.
> It looks up ethernet[0-5] aliases to find the ethernet nodes.
> Alias GMAC as ethernet0, as it is the only ethernet controller used.
> 
> Signed-off-by: Chen-Yu Tsai <wens@csie.org>
> ---
>  arch/arm/boot/dts/sun7i-a20.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
> index 65fb8d0..c48fb11 100644
> --- a/arch/arm/boot/dts/sun7i-a20.dtsi
> +++ b/arch/arm/boot/dts/sun7i-a20.dtsi
> @@ -17,7 +17,7 @@
>  	interrupt-parent = <&gic>;
>  
>  	aliases {
> -		ethernet0 = &emac;
> +		ethernet0 = &gmac;
>  	};

I'm not very fond of this patch.

People might rely on the fact that ethernet0 is actually the emac, and
are expecting u-boot to fill the ethaddr variable to the emac, and not
the gmac.

Since u-boot is totally able to deal with several ethernet addresses,
please add it as ethernet1.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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  reply	other threads:[~2014-02-03 19:38 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-03  3:32 [PATCH v3 0/8] Add Allwinner A20 GMAC ethernet support Chen-Yu Tsai
2014-02-03  3:32 ` [PATCH v3 1/8] clk: sunxi: Add Allwinner A20/A31 GMAC clock unit Chen-Yu Tsai
2014-02-03 19:31   ` Maxime Ripard
2014-02-04  2:43     ` Chen-Yu Tsai
2014-02-04  9:27       ` Maxime Ripard
2014-02-03  3:32 ` [PATCH v3 2/8] ARM: dts: sun7i: Add GMAC clock node to sun7i DTSI Chen-Yu Tsai
2014-02-03 19:34   ` Maxime Ripard
2014-02-04  3:06     ` Chen-Yu Tsai
2014-02-04  9:13       ` Maxime Ripard
2014-02-03  3:32 ` [PATCH v3 3/8] ARM: dts: sun7i: Add GMAC controller " Chen-Yu Tsai
2014-02-03  3:32 ` [PATCH v3 4/8] ARM: dts: sun7i: Add pin muxing options for the GMAC Chen-Yu Tsai
2014-02-03  3:32 ` [PATCH v3 5/8] ARM: dts: sun7i: cubietruck: Enable " Chen-Yu Tsai
2014-02-03  3:32 ` [PATCH v3 6/8] ARM: dts: sun7i: cubieboard2: Enable GMAC instead of EMAC Chen-Yu Tsai
2014-02-03  3:32 ` [PATCH v3 7/8] ARM: dts: sun7i: olinuxino-micro: " Chen-Yu Tsai
2014-02-03  3:32 ` [PATCH v3 8/8] ARM: dts: sun7i: Add ethernet alias for GMAC Chen-Yu Tsai
2014-02-03 19:38   ` Maxime Ripard [this message]
2014-02-05  4:43     ` Chen-Yu Tsai
2014-02-05 10:32       ` Maxime Ripard

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