diff options
author | David S. Miller <davem@davemloft.net> | 2020-01-19 22:10:04 +0100 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2020-01-19 22:10:04 +0100 |
commit | b3f7e3f23a763ccaae7b52d88d2c91e66c80d406 (patch) | |
tree | e00e90eb161305ed9895315ba12e30ac17de9523 /drivers/net/ethernet/cadence | |
parent | 4ee9e6e027c06eb1dd1cdbe025d461e407ece755 (diff) | |
parent | 7008ee121089b8193aea918b98850fe87d996508 (diff) |
Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net
Diffstat (limited to 'drivers/net/ethernet/cadence')
-rw-r--r-- | drivers/net/ethernet/cadence/macb_main.c | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index 1c547ee0d444..7a2fe63d1136 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -650,21 +650,24 @@ static const struct phylink_mac_ops macb_phylink_ops = { .mac_link_up = macb_mac_link_up, }; +static bool macb_phy_handle_exists(struct device_node *dn) +{ + dn = of_parse_phandle(dn, "phy-handle", 0); + of_node_put(dn); + return dn != NULL; +} + static int macb_phylink_connect(struct macb *bp) { + struct device_node *dn = bp->pdev->dev.of_node; struct net_device *dev = bp->dev; struct phy_device *phydev; int ret; - if (bp->pdev->dev.of_node && - of_parse_phandle(bp->pdev->dev.of_node, "phy-handle", 0)) { - ret = phylink_of_phy_connect(bp->phylink, bp->pdev->dev.of_node, - 0); - if (ret) { - netdev_err(dev, "Could not attach PHY (%d)\n", ret); - return ret; - } - } else { + if (dn) + ret = phylink_of_phy_connect(bp->phylink, dn, 0); + + if (!dn || (ret && !macb_phy_handle_exists(dn))) { phydev = phy_find_first(bp->mii_bus); if (!phydev) { netdev_err(dev, "no PHY found\n"); @@ -673,10 +676,11 @@ static int macb_phylink_connect(struct macb *bp) /* attach the mac to the phy */ ret = phylink_connect_phy(bp->phylink, phydev); - if (ret) { - netdev_err(dev, "Could not attach to PHY (%d)\n", ret); - return ret; - } + } + + if (ret) { + netdev_err(dev, "Could not attach PHY (%d)\n", ret); + return ret; } phylink_start(bp->phylink); |