[PATCH v1 8/9] net: phy: make sure MDIO bus is probed if we search for the PHY

Oleksij Rempel o.rempel at pengutronix.de
Mon Mar 21 02:26:05 PDT 2022

For DSA support we need to work with multiple MDIO buses. So, we need to
make that MDIO bus node is probed before on on request of DSA switch

Signed-off-by: Oleksij Rempel <o.rempel at pengutronix.de>
 drivers/net/phy/phy.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index e8e8dad5bd..299e12b325 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -350,6 +350,7 @@ static struct phy_device *of_mdio_find_phy(struct eth_device *edev)
 		return NULL;
 	if (!of_property_read_u32(phy_node, "reg", &addr)) {
+		of_device_ensure_probed(phy_node->parent);
 		for_each_mii_bus(bus) {
 			if (bus->parent->device_node == phy_node->parent) {
 				struct phy_device *phy = mdiobus_scan(bus, addr);

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