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Message-ID: <54F08B74.4000409@cogentembedded.com>
Date:	Fri, 27 Feb 2015 18:21:24 +0300
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Ben Hutchings <ben.hutchings@...ethink.co.uk>,
	netdev@...r.kernel.org
CC:	linux-kernel@...ts.codethink.co.uk,
	Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@...esas.com>,
	Mitsuhiro Kimura <mitsuhiro.kimura.kc@...esas.com>,
	Yoshihiro Kaneko <ykaneko0929@...il.com>,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
Subject: Re: [PATCH net-next 2/5] sh_eth: WARN on access to a register not
 implemented in a particular chip

Hello.

On 2/26/2015 11:34 PM, Ben Hutchings wrote:

> Currently we may silently read/write a register at offset 0.  Change
> this to WARN and then ignore the write or read-back all-ones.

    I think reading non-existing registers would yield all 0s, not all 1s.
That's not x86. :-)

> Signed-off-by: Ben Hutchings <ben.hutchings@...ethink.co.uk>

    Other than that, seems a great idea.

Acked-by: Sergei Shtylyov <sergei.shtylyov@...entembedded.com>

WBR, Sergei

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