netdev - Re: [PATCH v2] net: fec: use CONFIG_ARM instead of CONFIG_ARCH_MXC/SOC

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Date:	Mon, 25 Jan 2016 11:43:43 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Johannes Berg <johannes@...solutions.net>
Cc:	netdev@...r.kernel.org, Greg Ungerer <gerg@...inux.org>,
	Lucas Stach <l.stach@...gutronix.de>,
	Fugang Duan <B38611@...escale.com>,
	Shawn Guo <shawnguo@...nel.org>
Subject: Re: [PATCH v2] net: fec: use CONFIG_ARM instead of CONFIG_ARCH_MXC/SOC_IMX28

On Monday 25 January 2016 11:40:50 Johannes Berg wrote:
> As Arnd Bergmann points out, using CONFIG_ARCH_MXC and/or SOC_IMX28
> is wrong if some other ARM platform uses this device - the operation
> of the driver would depend on an unrelated ARM platform that might
> or might not be set for multi-platform kernels.
> 
> Prior to my previous patch, any other platforms using it would have
> been broken already due to having the cbd_datlen/cbd_sc fields in
> the wrong order, but byte ordering correctly, so no such platforms
> can exist and work today.
> 
> In any case, it seems likely that only Freescale SoCs use this part,
> and those are little-endian on ARM, so CONFIG_ARM is safe for them.
> 
> Signed-off-by: Johannes Berg <johannes@...solutions.net>
> 

Thanks, looks good.

Reviewed-by: Arnd Bergmann <arnd@...db.de>