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Message-ID: <20100528144506.GB13777@pengutronix.de>
Date: Fri, 28 May 2010 16:45:06 +0200
From: Wolfram Sang <w.sang@...gutronix.de>
To: Bryan Wu <bryan.wu@...onical.com>
Cc: davem@...emloft.net, 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
On Fri, May 28, 2010 at 05:08:05PM +0800, Bryan Wu wrote:
> 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>
We use this patch for 1 month now and didn't encounter any flaws so far.
Tested-by: Wolfram Sang <w.sang@...gutronix.de>
Oops, too late... well, one for the comfortable feeling ;)
--
Pengutronix e.K. | Wolfram Sang |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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