If one of the child devices is missing the of_mdiobus_register_phy()
call will return -ENODEV. When a missing device is encountered the
registration of the remaining PHYs is stopped and the MDIO bus will
fail to register. Propagate all errors except ENODEV to avoid it.
Signed-off-by: Madalin Bucur <madalin.bucur@xxxxxxx>
---
drivers/of/of_mdio.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index 3481e69..93d41275 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -231,7 +231,7 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
rc = of_mdiobus_register_phy(mdio, child, addr);
else
rc = of_mdiobus_register_device(mdio, child, addr);
- if (rc)
+ if (rc && rc != -ENODEV)
goto unregister;
}
@@ -255,7 +255,7 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
if (of_mdiobus_child_is_phy(child)) {
rc = of_mdiobus_register_phy(mdio, child, addr);
- if (rc)
+ if (rc && rc != -ENODEV)
goto unregister;
}
}
--
2.1.0
--
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