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dwc_eth_qos: Reset hardware before PHY start

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The hardware reset is currently done after phy_start() is called,
leading to a race where we can lose the link status if the phy state
machine calls dwceqos_adjust_link() before we reset the MAC registers.

Acked-by: Lars Persson <larper@axis.com>
Signed-off-by: Rabin Vincent <rabinv@axis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rabin Vincent 2016-02-02 09:39:02 +01:00 committed by David S. Miller
parent 16186a82de
commit 3647bc35bd
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/synopsys/dwc_eth_qos.c
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@ -1880,9 +1880,9 @@ static int dwceqos_open(struct net_device *ndev)
} }
netdev_reset_queue(ndev); netdev_reset_queue(ndev);
dwceqos_init_hw(lp);
napi_enable(&lp->napi); napi_enable(&lp->napi);
phy_start(lp->phy_dev); phy_start(lp->phy_dev);
dwceqos_init_hw(lp);
netif_start_queue(ndev); netif_start_queue(ndev);
tasklet_enable(&lp->tx_bdreclaim_tasklet); tasklet_enable(&lp->tx_bdreclaim_tasklet);