From: Roosen Henri Henri.Roosen@ginzinger.com
commit b4c19f71252e3b6b8c6478fd712c592f00b11438 upstream.
Commit 651df2183543 ("phy: micrel: Fix finding PHY properties in MAC node.") only fixes finding PHY properties in MAC node for KSZ9021. This commit applies the same fix for KSZ9031.
Fixes: 8b63ec1837fa ("phylib: Make PHYs children of their MDIO bus, not the bus' parent.") Acked-by: Andrew Lunn andrew@lunn.ch Signed-off-by: Henri Roosen henri.roosen@ginzinger.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/net/phy/micrel.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-)
--- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -482,9 +482,17 @@ static int ksz9031_config_init(struct ph "txd2-skew-ps", "txd3-skew-ps" }; static const char *control_skews[2] = {"txen-skew-ps", "rxdv-skew-ps"}; + const struct device *dev_walker;
- if (!of_node && dev->parent->of_node) - of_node = dev->parent->of_node; + /* The Micrel driver has a deprecated option to place phy OF + * properties in the MAC node. Walk up the tree of devices to + * find a device with an OF node. + */ + dev_walker = &phydev->dev; + do { + of_node = dev_walker->of_node; + dev_walker = dev_walker->parent; + } while (!of_node && dev_walker);
if (of_node) { ksz9031_of_load_skew_values(phydev, of_node,