linux-kernel - Re: [PATCH net] r8169:Remove unnecessary phy reset for pcie nic when setting link spped.

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Message-ID: <20160309214425.GA9533@electric-eye.fr.zoreil.com>
Date:	Wed, 9 Mar 2016 22:44:26 +0100
From:	Francois Romieu <romieu@...zoreil.com>
To:	Hau <hau@...ltek.com>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	nic_swsd <nic_swsd@...ltek.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net] r8169:Remove unnecessary phy reset for pcie nic when
 setting link spped.

Hau <hau@...ltek.com> :
[...] 
> Unless pcie nic has bug, pcie nic does not need to reset phy to let phy link on.
> 
> There is a counter for phy speed down. If phy is in link down state, this
> counter will start to count down. When it count to 0, phy will speed down.
> Reset phy will reset this counter and prevent phy from speed down.

Thanks for the clarification.

-- 
Ueimor