atl1c: do MAC-reset when PHY link down

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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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Huang, Xiong 2012-04-30 15:38:56 +00:00 • committed by David S. Miller

parent 0aa76ce332

commit 5e5c0964d9

1 changed files with 47 additions and 27 deletions

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78

drivers/net/ethernet/atheros/atl1c/atl1c_main.c

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