AuxXxilium/linux_dsm_epyc7002
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net: axienet: Support phy-less mode of operation

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This patch adds proper checks to handle the PHY-less case.

Signed-off-by: Srikanth Thokala <sthokal@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Srikanth Thokala 2015-05-05 11:25:58 +02:00 committed by David S. Miller
parent f080a8c35d
commit d7cc3163e0
1 changed files with 5 additions and 5 deletions
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10
drivers/net/ethernet/xilinx/xilinx_axienet_main.c
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@ -940,11 +940,10 @@ static int axienet_open(struct net_device *ndev)
PHY_INTERFACE_MODE_RGMII_ID); PHY_INTERFACE_MODE_RGMII_ID);
} }
if (!lp->phy_dev) { if (!lp->phy_dev)
dev_err(lp->dev, "of_phy_connect() failed\n"); dev_err(lp->dev, "of_phy_connect() failed\n");
return -ENODEV; else
} phy_start(lp->phy_dev);
phy_start(lp->phy_dev);
} }
/* Enable tasklets for Axi DMA error handling */ /* Enable tasklets for Axi DMA error handling */
@ -1606,7 +1605,8 @@ static int axienet_of_probe(struct platform_device *op)
lp->coalesce_count_tx = XAXIDMA_DFT_TX_THRESHOLD; lp->coalesce_count_tx = XAXIDMA_DFT_TX_THRESHOLD;
lp->phy_node = of_parse_phandle(op->dev.of_node, "phy-handle", 0); lp->phy_node = of_parse_phandle(op->dev.of_node, "phy-handle", 0);
ret = axienet_mdio_setup(lp, op->dev.of_node); if (lp->phy_node)
ret = axienet_mdio_setup(lp, op->dev.of_node);
if (ret) if (ret)
dev_warn(&op->dev, "error registering MDIO bus\n"); dev_warn(&op->dev, "error registering MDIO bus\n");