linux-kernel - [PATCH v3 1/3] thermal: qcom: tsens: init debugfs only with successful probe

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Date:   Sat, 22 Oct 2022 14:56:55 +0200
From:   Christian Marangi <ansuelsmth@...il.com>
To:     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@...ainline.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Zhang Rui <rui.zhang@...el.com>, linux-pm@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Christian Marangi <ansuelsmth@...il.com>,
        Thara Gopinath <thara.gopinath@...aro.org>
Subject: [PATCH v3 1/3] thermal: qcom: tsens: init debugfs only with successful probe

calibrate and tsens_register can fail or PROBE_DEFER. This will cause a
double or a wrong init of the debugfs information. Init debugfs only
with successful probe fixing warning about directory already present.

Signed-off-by: Christian Marangi <ansuelsmth@...il.com>
Acked-by: Thara Gopinath <thara.gopinath@...aro.org>
---
 drivers/thermal/qcom/tsens.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c
index b1b10005fb28..af688ce4d14d 100644
--- a/drivers/thermal/qcom/tsens.c
+++ b/drivers/thermal/qcom/tsens.c
@@ -918,8 +918,6 @@ int __init init_common(struct tsens_priv *priv)
 	if (tsens_version(priv) >= VER_0_1)
 		tsens_enable_irq(priv);
 
-	tsens_debug_init(op);
-
 err_put_device:
 	put_device(&op->dev);
 	return ret;
@@ -1153,7 +1151,11 @@ static int tsens_probe(struct platform_device *pdev)
 		}
 	}
 
-	return tsens_register(priv);
+	ret = tsens_register(priv);
+	if (!ret)
+		tsens_debug_init(pdev);
+
+	return ret;
 }
 
 static int tsens_remove(struct platform_device *pdev)
-- 
2.37.2