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Subject[PATCH] net: stmmac: Don't log error message in case of -EPROBE_DEFER.
Date
Remove error messages that might confuse users when error is just -517 / -EPROBE_DEFER.

[...]
imx-dwmac 30bf0000.ethernet: Cannot register the MDIO bus
imx-dwmac 30bf0000.ethernet: stmmac_dvr_probe: MDIO bus (id: 0) registration failed
[...]

---
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 7 ++++---
drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | 6 ++++--
2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 33272a12989a..7d1cdd576b91 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -4857,9 +4857,10 @@ int stmmac_dvr_probe(struct device *device,
/* MDIO bus Registration */
ret = stmmac_mdio_register(ndev);
if (ret < 0) {
- dev_err(priv->device,
- "%s: MDIO bus (id: %d) registration failed",
- __func__, priv->plat->bus_id);
+ if (ret != -EPROBE_DEFER)
+ dev_err(priv->device,
+ "%s: MDIO bus (id: %d) registration failed, err=%d",
+ __func__, priv->plat->bus_id, ret);
goto error_mdio_register;
}
}
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
index 226e5a4bf21c..8e202f63da31 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
@@ -401,8 +401,10 @@ int stmmac_mdio_register(struct net_device *ndev)
new_bus->parent = priv->device;

err = of_mdiobus_register(new_bus, mdio_node);
- if (err != 0) {
- dev_err(dev, "Cannot register the MDIO bus\n");
+ if (err) {
+ if (err != -EPROBE_DEFER)
+ dev_err(dev,
+ "Cannot register the MDIO bus, err=%d\n", err);
goto bus_register_fail;
}

--
2.17.1
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