net: stmmac: dwmac-qcom-ethqos: Log more errors in probe

These are useful to see when debugging a probe failure.

Signed-off-by: Andrew Halaney <ahalaney@redhat.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
index 1e103fd..757504e 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
@@ -706,7 +706,8 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
 
        ret = stmmac_get_platform_resources(pdev, &stmmac_res);
        if (ret)
-               return ret;
+               return dev_err_probe(dev, ret,
+                                    "Failed to get platform resources\n");
 
        plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac);
        if (IS_ERR(plat_dat)) {
@@ -734,13 +735,16 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
                ethqos->configure_func = ethqos_configure_sgmii;
                break;
        default:
+               dev_err(dev, "Unsupported phy mode %s\n",
+                       phy_modes(ethqos->phy_mode));
                return -EINVAL;
        }
 
        ethqos->pdev = pdev;
        ethqos->rgmii_base = devm_platform_ioremap_resource_byname(pdev, "rgmii");
        if (IS_ERR(ethqos->rgmii_base))
-               return PTR_ERR(ethqos->rgmii_base);
+               return dev_err_probe(dev, PTR_ERR(ethqos->rgmii_base),
+                                    "Failed to map rgmii resource\n");
 
        ethqos->mac_base = stmmac_res.addr;
 
@@ -752,7 +756,8 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
 
        ethqos->link_clk = devm_clk_get(dev, data->link_clk_name ?: "rgmii");
        if (IS_ERR(ethqos->link_clk))
-               return PTR_ERR(ethqos->link_clk);
+               return dev_err_probe(dev, PTR_ERR(ethqos->link_clk),
+                                    "Failed to get link_clk\n");
 
        ret = ethqos_clks_config(ethqos, true);
        if (ret)
@@ -764,7 +769,8 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
 
        ethqos->serdes_phy = devm_phy_optional_get(dev, "serdes");
        if (IS_ERR(ethqos->serdes_phy))
-               return PTR_ERR(ethqos->serdes_phy);
+               return dev_err_probe(dev, PTR_ERR(ethqos->serdes_phy),
+                                    "Failed to get serdes phy\n");
 
        ethqos->speed = SPEED_1000;
        ethqos_update_link_clk(ethqos, SPEED_1000);