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Message-Id: <20230201031349.56405-1-steev@kali.org>
Date:   Tue, 31 Jan 2023 21:13:49 -0600
From:   Steev Klimaszewski <steev@...i.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Marcel Holtmann <marcel@...tmann.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        Sven Peter <sven@...npeter.dev>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-bluetooth@...r.kernel.org,
        Mark Pearson <markpearson@...ovo.com>
Subject: Re: [PATCH v2 4/4] arm64: dts: qcom: thinkpad-x13s: Add bluetooth

>On 31/01/2023 05:38, Steev Klimaszewski wrote:
>> Signed-off-by: Steev Klimaszewski <steev@...i.org>
>> ---
>>  .../qcom/sc8280xp-lenovo-thinkpad-x13s.dts    | 68 +++++++++++++++++++
>>  1 file changed, 68 insertions(+)
>> 
>> diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
>> index f936b020a71d..951438ac5946 100644
>> --- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
>> +++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
>> @@ -24,6 +24,8 @@ / {
>>  	aliases {
>>  		i2c4 = &i2c4;
>>  		i2c21 = &i2c21;
>> +		serial0 = &uart17;
>> +		serial1 = &uart2;
>>  	};
>>  
>>  	wcd938x: audio-codec {
>> @@ -712,6 +714,32 @@ &qup0 {
>>  	status = "okay";
>>  };
>>  
>> +&uart2 {
>> +	status = "okay";
>> +
>> +	pinctrl-names = "default";
>> +	pinctrl-0 = <&uart2_state>;
>> +
>> +	bluetooth {
>> +		compatible = "qcom,wcn6855-bt";
>> +
>> +/*

> Why dead code should be in the kernel?

As mentioned in the cover letter, this is a bit closer to an RFC than ready to
go in, and I do apologize that it wasn't clear enough.  I do not have access to
the schematics, and based on my reading of the schema for bluetooth, these
entries are supposed to be required, however, like the wcn6750, I have dummy
data entered into the qca_soc_data_wcn6855 struct.  I know that these should be
there, I just do not have access to the correct information to put, if that
makes sense?


<snip>

>Does not look like you tested the DTS against bindings. Please run `make
>dtbs_check` (see Documentation/devicetree/bindings/writing-schema.rst
>for instructions).

Correct I had not, but I have now, and will make the corrections test and they
will be included in v3.

>Best regards,
>Krzysztof

I appreciate the guidance for what I was doing incorrectly.

-- steev

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