linux-kernel - [PATCH] usb: dwc3: qcom: use dev_err

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Date:   Mon,  5 Jun 2023 14:36:25 -0500
From:   Andrew Halaney <ahalaney@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     linux-usb@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        p.zabel@...gutronix.de, gregkh@...uxfoundation.org,
        Thinh.Nguyen@...opsys.com, konrad.dybcio@...aro.org,
        andersson@...nel.org, Andrew Halaney <ahalaney@...hat.com>
Subject: [PATCH] usb: dwc3: qcom: use dev_err_probe() where appropriate

Update to using dev_err_probe() throughout to reduce spam and log useful
information in devices_deferred.

Signed-off-by: Andrew Halaney <ahalaney@...hat.com>
---
 drivers/usb/dwc3/dwc3-qcom.c | 20 +++++++++-----------
 1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
index 822735814050..a1f3d95c0832 100644
--- a/drivers/usb/dwc3/dwc3-qcom.c
+++ b/drivers/usb/dwc3/dwc3-qcom.c
@@ -167,7 +167,8 @@ static int dwc3_qcom_register_extcon(struct dwc3_qcom *qcom)
 
 	qcom->edev = extcon_get_edev_by_phandle(dev, 0);
 	if (IS_ERR(qcom->edev))
-		return PTR_ERR(qcom->edev);
+		return dev_err_probe(dev, PTR_ERR(qcom->edev),
+				     "Failed to get extcon\n");
 
 	qcom->vbus_nb.notifier_call = dwc3_qcom_vbus_notifier;
 
@@ -252,16 +253,14 @@ static int dwc3_qcom_interconnect_init(struct dwc3_qcom *qcom)
 
 	qcom->icc_path_ddr = of_icc_get(dev, "usb-ddr");
 	if (IS_ERR(qcom->icc_path_ddr)) {
-		dev_err(dev, "failed to get usb-ddr path: %ld\n",
-				PTR_ERR(qcom->icc_path_ddr));
-		return PTR_ERR(qcom->icc_path_ddr);
+		return dev_err_probe(dev, PTR_ERR(qcom->icc_path_ddr),
+				     "failed to get usb-ddr path\n");
 	}
 
 	qcom->icc_path_apps = of_icc_get(dev, "apps-usb");
 	if (IS_ERR(qcom->icc_path_apps)) {
-		dev_err(dev, "failed to get apps-usb path: %ld\n",
-				PTR_ERR(qcom->icc_path_apps));
-		ret = PTR_ERR(qcom->icc_path_apps);
+		ret = dev_err_probe(dev, PTR_ERR(qcom->icc_path_apps),
+				    "failed to get apps-usb path\n");
 		goto put_path_ddr;
 	}
 
@@ -813,9 +812,8 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
 
 	qcom->resets = devm_reset_control_array_get_optional_exclusive(dev);
 	if (IS_ERR(qcom->resets)) {
-		ret = PTR_ERR(qcom->resets);
-		dev_err(&pdev->dev, "failed to get resets, err=%d\n", ret);
-		return ret;
+		return dev_err_probe(&pdev->dev, PTR_ERR(qcom->resets),
+				     "failed to get resets\n");
 	}
 
 	ret = reset_control_assert(qcom->resets);
@@ -834,7 +832,7 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
 
 	ret = dwc3_qcom_clk_init(qcom, of_clk_get_parent_count(np));
 	if (ret) {
-		dev_err(dev, "failed to get clocks\n");
+		dev_err_probe(dev, ret, "failed to get clocks\n");
 		goto reset_assert;
 	}
 
-- 
2.40.1