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Message-ID: <d6cba576-5b65-425a-b769-e26a2595b391@quicinc.com>
Date:   Fri, 20 Oct 2023 16:13:25 +0800
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Subject: Re: [PATCH] coresight-tpdm: Correct the property name of MSR number
To:     Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
        Mathieu Poirier <mathieu.poirier@linaro.org>,
        Suzuki K Poulose <suzuki.poulose@arm.com>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Konrad Dybcio <konradybcio@gmail.com>,
        Mike Leach <mike.leach@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
CC:     Jinlong Mao <quic_jinlmao@quicinc.com>,
        Leo Yan <leo.yan@linaro.org>,
        "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
        <coresight@lists.linaro.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
        Tingwei Zhang <quic_tingweiz@quicinc.com>,
        Yuanfang Zhang <quic_yuanfang@quicinc.com>,
        Trilok Soni <quic_tsoni@quicinc.com>,
        Hao Zhang <quic_hazha@quicinc.com>,
        <linux-arm-msm@vger.kernel.org>, <andersson@kernel.org>
References: <1697770311-15392-1-git-send-email-quic_taozha@quicinc.com>
 <07ef7cf2-c5dc-4248-b72b-bad913f4508d@linaro.org>
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From:   Tao Zhang <quic_taozha@quicinc.com>
In-Reply-To: <07ef7cf2-c5dc-4248-b72b-bad913f4508d@linaro.org>
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On 10/20/2023 2:55 PM, Krzysztof Kozlowski wrote:
> 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.
I will add it in the next patch.
>
>> 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!
Yes, no need to depend on the patch series and it has been applied. I 
will remove this comments

in the next patch.

>> Signed-off-by: Tao Zhang <quic_taozha@quicinc.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 :/

Since this new property has not been applied on the exist upstream DTS, 
I tested this driver with the

local DTS. Unfortunately, the property name in the local DTS is not 
updated, this is why it is not found

in the tests.


Best,

Tao

>
> Best regards,
> Krzysztof
>