Messages in this thread | | | Subject | Re: [PATCH] net: stmmac: Don't log error message in case of -EPROBE_DEFER. | From | Robin Murphy <> | Date | Wed, 4 Nov 2020 14:27:05 +0000 |
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On 2020-11-04 14:15, Markus Bauer wrote: > 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 > [...]
FYI we have dev_err_probe() for this now.
Robin.
> --- > 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; > } > >
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