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drivers: net: xgene: Fix backward compatibility

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This patch fixes the backward compatibility on handling phy_connect(), by
iterating over the phy-handle, when new DT is used with older kernel.

Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Iyappan Subramanian 2016-08-12 22:05:47 -07:00 committed by David S. Miller
parent c50fc2622c
commit 03377e381b
1 changed files with 9 additions and 9 deletions
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18
drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
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@ -761,18 +761,18 @@ int xgene_enet_phy_connect(struct net_device *ndev)
if (dev->of_node) { if (dev->of_node) {
for (i = 0 ; i < 2; i++) { for (i = 0 ; i < 2; i++) {
np = of_parse_phandle(dev->of_node, "phy-handle", i); np = of_parse_phandle(dev->of_node, "phy-handle", i);
if (np)
if (!np)
continue;
phy_dev = of_phy_connect(ndev, np,
&xgene_enet_adjust_link,
0, pdata->phy_mode);
of_node_put(np);
if (phy_dev)
break; break;
} }
if (!np) {
netdev_dbg(ndev, "No phy-handle found in DT\n");
return -ENODEV;
}
phy_dev = of_phy_connect(ndev, np, &xgene_enet_adjust_link,
0, pdata->phy_mode);
of_node_put(np);
if (!phy_dev) { if (!phy_dev) {
netdev_err(ndev, "Could not connect to PHY\n"); netdev_err(ndev, "Could not connect to PHY\n");
return -ENODEV; return -ENODEV;