linux-kernel - Re: [PATCH] Revert "net: ethernet: bcmgenet: use phy_ethtool_{get|set}_link

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Message-Id: <20160711.125733.1619512909014032205.davem@davemloft.net>
Date:	Mon, 11 Jul 2016 12:57:33 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	tremyfr@...il.com
Cc:	f.fainelli@...il.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Revert "net: ethernet: bcmgenet: use
 phy_ethtool_{get|set}_link_ksettings"

From: Philippe Reynes <tremyfr@...il.com>
Date: Sat,  9 Jul 2016 00:54:47 +0200

> This reverts commit 4386f5662e63 ("net: ethernet: bcmgenet: use
> phy_ethtool_{get|set}_link_ksettings")
> 
> This patch is wrong, the function phy_ethtool_{get|set}_link_ksettings
> don't check if the device is running, but the driver bcmgenet need this
> check.
> 
> The function {get|set}_settings need to access the mdio bus, and this
> bus may only be used when the device is running. Otherwise, the clock
> is disable and a mdio access will fail.
> 
> Signed-off-by: Philippe Reynes <tremyfr@...il.com>

Applied.