The STM32MP1 boards call their mdio subnode mdio0, which is now skipped
since ed8c7bdf8592 ("net: designware: eqos: set mdio bus device node").
Fix networking for them by only falling back to the mdio node name when a
child node with the correct compatible could not be found.
Fixes: ed8c7bdf8592 ("net: designware: eqos: set mdio bus device node")
Signed-off-by: Ahmad Fatoum <[email protected]>
---
drivers/net/designware_eqos.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/net/designware_eqos.c b/drivers/net/designware_eqos.c
index f83ec127143c..5eee844e289a 100644
--- a/drivers/net/designware_eqos.c
+++ b/drivers/net/designware_eqos.c
@@ -824,6 +824,7 @@ static void eqos_probe_dt(struct device_d *dev, struct eqos
*eqos)
int eqos_probe(struct device_d *dev, const struct eqos_ops *ops, void *priv)
{
+ struct device_node *np = dev->device_node;
struct mii_bus *miibus;
struct resource *iores;
struct eqos *eqos;
@@ -862,7 +863,10 @@ int eqos_probe(struct device_d *dev, const struct eqos_ops
*ops, void *priv)
miibus->read = eqos_mdio_read;
miibus->write = eqos_mdio_write;
miibus->priv = eqos;
- miibus->dev.device_node = of_get_child_by_name(dev->device_node,
"mdio");
+
+ miibus->dev.device_node = of_get_compatible_child(np,
"snps,dwmac-mdio");
+ if (!miibus->dev.device_node)
+ miibus->dev.device_node = of_get_child_by_name(np, "mdio");
ret = eqos_init(dev, eqos);
if (ret)
--
2.30.2
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