[PATCH v4 09/13] net: phy: make sure MDIO bus is probed if we search for the PHY

Oleksij Rempel o.rempel at pengutronix.de
Fri Apr 8 01:29:46 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 4c09839f3f..85cdd7862f 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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