linux-kernel - [PATCH 3/3] net: stmmac: dwmac-qcom-ethqos: Log more errors in probe

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20230629191725.1434142-3-ahalaney@redhat.com>
Date:   Thu, 29 Jun 2023 14:14:18 -0500
From:   Andrew Halaney <ahalaney@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     linux-arm-kernel@...ts.infradead.org,
        linux-stm32@...md-mailman.stormreply.com, netdev@...r.kernel.org,
        mcoquelin.stm32@...il.com, pabeni@...hat.com, kuba@...nel.org,
        edumazet@...gle.com, davem@...emloft.net, joabreu@...opsys.com,
        alexandre.torgue@...s.st.com, peppe.cavallaro@...com,
        bhupesh.sharma@...aro.org, vkoul@...nel.org,
        bartosz.golaszewski@...aro.org,
        Andrew Halaney <ahalaney@...hat.com>
Subject: [PATCH 3/3] 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@...hat.com>
---
 .../ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c    | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
index a40869b2dd64..d792b7dd9fc3 100644
--- 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)) {
@@ -735,13 +736,16 @@ 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;
 
@@ -753,7 +757,8 @@ 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)
@@ -765,7 +770,8 @@ 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);
-- 
2.41.0