From: Stas Sergeev <stsp@list•ru>
To: Florian Fainelli <f.fainelli@gmail•com>
Cc: Linux kernel <linux-kernel@vger•kernel.org>,
Sebastien Rannou <mxs@sbrk•org>,
Arnaud Ebalard <arno@natisbad•org>,
Stas Sergeev <stsp@users•sourceforge.net>,
Thomas Petazzoni <thomas.petazzoni@free-electrons•com>,
netdev <netdev@vger•kernel.org>,
stable@vger•kernel.org
Subject: Re: [PATCH 2/2] mvneta: use inband status only when link type is "auto"
Date: Thu, 9 Jul 2015 23:26:25 +0300 [thread overview]
Message-ID: <559ED8F1.7050609@list.ru> (raw)
In-Reply-To: <559EBAFE.6040705@gmail.com>
09.07.2015 21:18, Florian Fainelli пишет:
> On 09/07/15 10:41, Stas Sergeev wrote:
>> The commit 898b2970e2c9 ("mvneta: implement SGMII-based in-band link state
>> signaling") implemented the link parameters auto-negotiation unconditionally.
>> Unfortunately it appears that some HW that implements SGMII protocol,
>> doesn't generate the inband status, so it is not possible to auto-negotiate
>> anything with such HW.
> What is the purpose of using the in-band status in the first place if
> you end-up having to specify a 'fixed-link' property which contains most
> of the link parameters: speed, duplex etc...?
You don't have to.
My config from today is as simple as:
fixed-link {
link = "auto";
};
and that's all.
Without my today's patch, only 'speed' is a mandatory - not too much.
next prev parent reply other threads:[~2015-07-09 20:26 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <559EB0A4.5080101@list.ru>
2015-07-09 17:38 ` [PATCH 1/2] of_mdio: add new DT property 'link' for fixed-link Stas Sergeev
2015-07-09 18:24 ` Florian Fainelli
2015-07-09 20:43 ` Stas Sergeev
2015-07-09 21:15 ` Florian Fainelli
2015-07-09 21:43 ` Stas Sergeev
2015-07-10 8:46 ` Sebastien Rannou
[not found] ` <alpine.LNX.2.02.1507100940530.15010-i6rsG8ix9II@public.gmane.org>
2015-07-10 11:20 ` Stas Sergeev
2015-07-10 18:22 ` Florian Fainelli
2015-07-09 17:41 ` [PATCH 2/2] mvneta: use inband status only when link type is "auto" Stas Sergeev
2015-07-09 18:18 ` Florian Fainelli
2015-07-09 20:26 ` Stas Sergeev [this message]
2015-07-09 21:14 ` Florian Fainelli
2015-07-09 21:31 ` Stas Sergeev
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