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Date: Wed, 14 Feb 2024 09:56:00 +0100
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Subject: Re: [PATCH v4 2/8] dt-bindings: ufs: qcom: Add SC7180 compatible
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To: Rob Herring <robh@kernel.org>,
 Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: David Wronek <davidwronek@gmail.com>,
 Bjorn Andersson <andersson@kernel.org>,
 Konrad Dybcio <konrad.dybcio@linaro.org>,
 Herbert Xu <herbert@gondor.apana.org.au>,
 "David S. Miller" <davem@davemloft.net>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
 Conor Dooley <conor+dt@kernel.org>,
 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
 Alim Akhtar <alim.akhtar@samsung.com>, Avri Altman <avri.altman@wdc.com>,
 Bart Van Assche <bvanassche@acm.org>, Andy Gross <agross@kernel.org>,
 Vinod Koul <vkoul@kernel.org>, Kishon Vijay Abraham I <kishon@kernel.org>,
 cros-qcom-dts-watchers@chromium.org, linux-arm-msm@vger.kernel.org,
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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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On 13/02/2024 19:11, Rob Herring wrote:
> On Tue, Feb 13, 2024 at 4:30 AM Dmitry Baryshkov
> <dmitry.baryshkov@linaro.org> wrote:
>>
>> On Tue, 13 Feb 2024 at 00:22, Rob Herring <robh@kernel.org> wrote:
>>>
>>> On Sun, Jan 21, 2024 at 05:57:42PM +0100, David Wronek wrote:
>>>> Document the compatible for the UFS found on SC7180.
>>>>
>>>> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
>>>> Signed-off-by: David Wronek <davidwronek@gmail.com>
>>>> ---
>>>>  Documentation/devicetree/bindings/ufs/qcom,ufs.yaml | 2 ++
>>>>  1 file changed, 2 insertions(+)
>>>
>>> Should have been picked up by SCSI/UFS maintainers, but it
>>> hasn't, so I applied it.
>>
>> And it now triggers schema warnings, because sc7180-ufshc has 7 clocks
>> and 1 reg entries.
> 
> And now dropped... Perhaps the dts changes should be too.
> 
> Maybe QCom maintainers should require a report of dtbs_check on new
> boards. My comparisons of Linus vs. next warnings often show an
> increase in QCom warnings. Like right now:
> 
> linus: arch/arm64/boot/dts/qcom:1990:265
> next: arch/arm64/boot/dts/qcom:1610:298

I was tracking new dtbs_check warnings on Qualcomm for selected
subsystems and for selected boards, but that grew faster than I was able
to fix it so I gave up...

After all these months and all these review feedbacks many people still
do not test their DTS with dtbs_check, so maybe the solution is to start
dropping people's patches? Detect new warnings and drop the patch from
Qualcomm tree?

> 
> First number is total warnings. Second number is unique warnings
> (stripping dtb name). Some of this is just mismatch between schemas
> and dts changes showing up in next, but it doesn't tend to go to 0 as
> the merge window approaches. I've seen this several cycles. All the
> data is available from my CI jobs, and I regularly look at the diff
> with this:
> 
> $ less ~/bin/gl-diff-dtb-warnings
> #!/bin/sh
> 
> [ -z "$1" ] && { echo "Missing arch!"; exit 1; }
> 
> arch="$1"
> 
> job="job-dtbs-check"
> logfile="platform-warnings.log"
> 
> # url <branch> <arch>
> url() {
>         local branch="$1"
>         local arch="$2"
>         echo "https://gitlab.com/robherring/linux-dt/-/jobs/artifacts/${branch}/raw/${logfile}?job=${job}%3A+%5B${arch}%5D"
> 
> }
> 
> curl -Ls -o orig.log $(url linus ${arch})
> curl -Ls -o next.log $(url next ${arch})
> meld orig.log next.log

That's useful, thanks!

Best regards,
Krzysztof