linux-kernel - Re: [PATCH 1/3] fixed_phy: handle link-down case

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Date:	Fri, 17 Jul 2015 14:26:02 +0300
From:	Stas Sergeev <stsp@...t.ru>
To:	Florian Fainelli <f.fainelli@...il.com>,
	netdev <netdev@...r.kernel.org>
CC:	Linux kernel <linux-kernel@...r.kernel.org>,
	Sebastien Rannou <mxs@...k.org>,
	Arnaud Ebalard <arno@...isbad.org>,
	Stas Sergeev <stsp@...rs.sourceforge.net>
Subject: Re: [PATCH 1/3] fixed_phy: handle link-down case

17.07.2015 02:25, Florian Fainelli пишет:
> On 16/07/15 07:50, Stas Sergeev wrote:
>>
>> Currently fixed_phy driver recognizes only the link-up state.
>> This simple patch adds an implementation of link-down state.
>> It fixes the status registers when link is down, and also allows
>> to register the fixed-phy with link down without specifying the speed.
> 
> This patch still breaks my setups here, e.g: drivers/net/dsa/bcm_sf2.c,
> but I will look into it.
> 
> Do we really need this for now for your two other patches to work
> properly, or is it just nicer to have?
Yes, absolutely.
Otherwise registering fixed phy will return -EINVAL
because of the missing link speed (even though the link
is down).

Please, see what makes a problem. I can't reproduce what you report.
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