linux-kernel - Re: [PATCH] netdev/fec: fix ifconfig eth0 down hang issue

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Message-Id: <20100528.034048.35019513.davem@davemloft.net>
Date:	Fri, 28 May 2010 03:40:48 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	bryan.wu@...onical.com
Cc:	afleming@...il.com, s.hauer@...gutronix.de, gerg@...inux.org,
	amit.kucheria@...onical.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] netdev/fec: fix ifconfig eth0 down hang issue

From: Bryan Wu <bryan.wu@...onical.com>
Date: Fri, 28 May 2010 17:08:05 +0800

> BugLink: http://bugs.launchpad.net/bugs/559065
> 
> In fec open/close function, we need to use phy_connect and phy_disconnect
> operation before we start/stop phy. Otherwise it will cause system hang.
> 
> Only call fec_enet_mii_probe() in open function, because the first open
> action will cause NULL pointer error.
> 
> Signed-off-by: Bryan Wu <bryan.wu@...onical.com>

Applied, thanks.
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