linux-kernel - Re: [PATCH] net: phy: turn carrier off on phy attach

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Date:	Fri, 15 Jan 2016 14:50:03 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	sjoerd.simons@...labora.co.uk
Cc:	netdev@...r.kernel.org, andrew@...n.ch,
	linux-kernel@...r.kernel.org, f.fainelli@...il.com
Subject: Re: [PATCH] net: phy: turn carrier off on phy attach

From: Sjoerd Simons <sjoerd.simons@...labora.co.uk>
Date: Thu, 14 Jan 2016 21:57:18 +0100

> The operstate of a networking device initially IF_OPER_UNKNOWN aka
> "unknown", updated on carrier state changes (with carrier state being on
> by default). This means it will stay unknown unless the carrier state
> goes to off at some point, which is not the case if the phy is already
> up/connected at startup.
> 
> Explicitly turn off the carrier on phy attach, leaving the phy state
> machine to turn the carrier on when it has done the initial negotiation.
> 
> Signed-off-by: Sjoerd Simons <sjoerd.simons@...labora.co.uk>

Applied, thank you.