linux-kernel - Re: [PATCH] coresight-tpdm: Correct the property name of MSR number

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Date:   Fri, 20 Oct 2023 08:55:33 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Tao Zhang <quic_taozha@...cinc.com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Konrad Dybcio <konradybcio@...il.com>,
        Mike Leach <mike.leach@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Jinlong Mao <quic_jinlmao@...cinc.com>,
        Leo Yan <leo.yan@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        coresight@...ts.linaro.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Tingwei Zhang <quic_tingweiz@...cinc.com>,
        Yuanfang Zhang <quic_yuanfang@...cinc.com>,
        Trilok Soni <quic_tsoni@...cinc.com>,
        Hao Zhang <quic_hazha@...cinc.com>,
        linux-arm-msm@...r.kernel.org, andersson@...nel.org
Subject: Re: [PATCH] coresight-tpdm: Correct the property name of MSR number

On 20/10/2023 04:51, Tao Zhang wrote:
> Correct the property name of the DSB MSR number that needs to be
> read in TPDM driver. The right property name is
> "qcom,dsb-msrs-num".

Missing Fixes tag.

> 
> This patch depends on patch series "Add support to configure TPDM DSB
> subunit"
> https://patchwork.kernel.org/project/linux-arm-kernel/list/?series=788353

This is not suitable for commit msg. Dependencies are noted under ---.

And how is this depending on that patch? Your buggy code was applied
long time ago!

> 
> Signed-off-by: Tao Zhang <quic_taozha@...cinc.com>
> ---
>  drivers/hwtracing/coresight/coresight-tpdm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/hwtracing/coresight/coresight-tpdm.c b/drivers/hwtracing/coresight/coresight-tpdm.c
> index b25284e..97654aa 100644
> --- a/drivers/hwtracing/coresight/coresight-tpdm.c
> +++ b/drivers/hwtracing/coresight/coresight-tpdm.c
> @@ -892,7 +892,7 @@ static int tpdm_probe(struct amba_device *adev, const struct amba_id *id)
>  
>  	if (drvdata && tpdm_has_dsb_dataset(drvdata))
>  		of_property_read_u32(drvdata->dev->of_node,
> -			   "qcom,dsb_msr_num", &drvdata->dsb_msr_num);
> +			   "qcom,dsb-msrs-num", &drvdata->dsb_msr_num);

So you never tested your DTS... We can keep asking about this but still
testing does not happen :/

Best regards,
Krzysztof