linux-kernel - [PATCH] thermal/drivers/qcom/temp-alarm: Use dev_err

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Message-Id: <20230625-spmi-temp-alarm-defer-v1-1-2d57acf36855@z3ntu.xyz>
Date:   Sun, 25 Jun 2023 13:11:33 +0200
From:   Luca Weiss <luca@...tu.xyz>
To:     ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        Amit Kucheria <amitk@...nel.org>,
        Thara Gopinath <thara.gopinath@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Zhang Rui <rui.zhang@...el.com>
Cc:     linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Luca Weiss <luca@...tu.xyz>
Subject: [PATCH] thermal/drivers/qcom/temp-alarm: Use dev_err_probe

Use the dev_err_probe function instead of dev_err in the probe function
so that the printed message includes the return value and also handles
-EPROBE_DEFER nicely.

Signed-off-by: Luca Weiss <luca@...tu.xyz>
---
 drivers/thermal/qcom/qcom-spmi-temp-alarm.c | 34 ++++++++++++-----------------
 1 file changed, 14 insertions(+), 20 deletions(-)

diff --git a/drivers/thermal/qcom/qcom-spmi-temp-alarm.c b/drivers/thermal/qcom/qcom-spmi-temp-alarm.c
index 2a3b3e21260f..0e8ebfcd84c5 100644
--- a/drivers/thermal/qcom/qcom-spmi-temp-alarm.c
+++ b/drivers/thermal/qcom/qcom-spmi-temp-alarm.c
@@ -411,22 +411,19 @@ static int qpnp_tm_probe(struct platform_device *pdev)
 	chip->base = res;
 
 	ret = qpnp_tm_read(chip, QPNP_TM_REG_TYPE, &type);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "could not read type\n");
-		return ret;
-	}
+	if (ret < 0)
+		return dev_err_probe(&pdev->dev, ret,
+				     "could not read type\n");
 
 	ret = qpnp_tm_read(chip, QPNP_TM_REG_SUBTYPE, &subtype);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "could not read subtype\n");
-		return ret;
-	}
+	if (ret < 0)
+		return dev_err_probe(&pdev->dev, ret,
+				     "could not read subtype\n");
 
 	ret = qpnp_tm_read(chip, QPNP_TM_REG_DIG_MAJOR, &dig_major);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "could not read dig_major\n");
-		return ret;
-	}
+	if (ret < 0)
+		return dev_err_probe(&pdev->dev, ret,
+				     "could not read dig_major\n");
 
 	if (type != QPNP_TM_TYPE || (subtype != QPNP_TM_SUBTYPE_GEN1
 				     && subtype != QPNP_TM_SUBTYPE_GEN2)) {
@@ -448,16 +445,13 @@ static int qpnp_tm_probe(struct platform_device *pdev)
 	 */
 	chip->tz_dev = devm_thermal_of_zone_register(
 		&pdev->dev, 0, chip, &qpnp_tm_sensor_ops);
-	if (IS_ERR(chip->tz_dev)) {
-		dev_err(&pdev->dev, "failed to register sensor\n");
-		return PTR_ERR(chip->tz_dev);
-	}
+	if (IS_ERR(chip->tz_dev))
+		return dev_err_probe(&pdev->dev, PTR_ERR(chip->tz_dev),
+				     "failed to register sensor\n");
 
 	ret = qpnp_tm_init(chip);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "init failed\n");
-		return ret;
-	}
+	if (ret < 0)
+		return dev_err_probe(&pdev->dev, ret, "init failed\n");
 
 	devm_thermal_add_hwmon_sysfs(&pdev->dev, chip->tz_dev);
 

---
base-commit: 8d2be868b42c08290509c60515865f4de24ea704
change-id: 20230625-spmi-temp-alarm-defer-0889b80544e3

Best regards,
-- 
Luca Weiss <luca@...tu.xyz>