linux-kernel - Re: [RESEND PATCH 1/2] thermal: qcom: tsens: init debugfs only with successful probe

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Date:   Fri, 21 Oct 2022 20:28:36 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Christian Marangi <ansuelsmth@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Amit Kucheria <amitk@...nel.org>,
        Thara Gopinath <thara.gopinath@...il.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>, linux-arm-msm@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Thara Gopinath <thara.gopinath@...aro.org>
Subject: Re: [RESEND PATCH 1/2] thermal: qcom: tsens: init debugfs only with
 successful probe

On 21/10/2022 20:19, Christian Marangi wrote:
> 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 | 9 ++++++---
>   1 file changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c
> index b1b10005fb28..cc2965b8d409 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 +1151,12 @@ static int tsens_probe(struct platform_device *pdev)
>   		}
>   	}
>   
> -	return tsens_register(priv);
> +	ret = tsens_register(priv);
> +

extra line

> +	if (!ret)
> +		tsens_debug_init(pdev);
> +
> +	return ret;
>   }
>   
>   static int tsens_remove(struct platform_device *pdev)


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