netdev - Re: [PATCH 1/3 V4] phy/micrel: Implement support for KSZ8021

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Date:	Mon, 24 Sep 2012 16:00:45 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	marex@...x.de
Cc:	netdev@...r.kernel.org, david.choi@...rel.com,
	nobuhiro.iwamatsu.yj@...esas.com
Subject: Re: [PATCH 1/3 V4] phy/micrel: Implement support for KSZ8021

From: Marek Vasut <marex@...x.de>
Date: Mon, 24 Sep 2012 04:58:49 +0200

> The KSZ8021 PHY was previously caught by KS8051, which is not correct.
> This PHY needs additional setup if it is strapped for address 0. In such
> case an reserved bit must be written in the 0x16, "Operation Mode Strap
> Override" register. According to the KS8051 datasheet, that bit means
> "PHY Address 0 in non-broadcast" and it indeed behaves as such on KSZ8021.
> The issue where the ethernet controller (Freescale FEC) did not communicate
> with network is fixed by writing this bit as 1.
> 
> Signed-off-by: Marek Vasut <marex@...x.de>

Applied.
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