[PATCH v2 net-next 1/1] net: stmmac: allow stmmac to probe for C45 PHY devices

From: Wong Vee Khee
Date: Wed Dec 09 2020 - 17:44:29 EST


Assign stmmac's mdio_bus probe capabilities to MDIOBUS_C22_C45.
This extended the probing of C45 PHY devices on the MDIO bus.

Signed-off-by: Wong Vee Khee <vee.khee.wong@xxxxxxxxx>
---
v2 changelog:
- Added conditional check for gmac4.
---
drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
index b2a707e2ef43..d64116e0543e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
@@ -365,6 +365,9 @@ int stmmac_mdio_register(struct net_device *ndev)

new_bus->name = "stmmac";

+ if (priv->plat->has_gmac4)
+ new_bus->probe_capabilities = MDIOBUS_C22_C45;
+
if (priv->plat->has_xgmac) {
new_bus->read = &stmmac_xgmac2_mdio_read;
new_bus->write = &stmmac_xgmac2_mdio_write;
--
2.17.0