From: Huang, Xiong <xiong@qca.qualcomm.com>
Date: Mon, 30 Apr 2012 15:38:56 +0000 (+0000)
Subject: atl1c: do MAC-reset when PHY link down
X-Git-Tag: v3.5-rc1~109^2~222
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5e5c0964d9b93debb040431b5036d28fe8b19136;p=pandora-kernel.git

atl1c: do MAC-reset when PHY link down

There may be tx-skbs still pending in HW when PHY link down.
Reset MAC will make the DMA engine go to the start point.
and release all pending skbs.
Note: Reset MAC will clear any interrupt status and mask.

Signed-off-by: xiong <xiong@qca.qualcomm.com>
Tested-by: Liu David <dwliu@qca.qualcomm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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