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Message-ID: <690e64d6-8888-4f99-9ee0-c731aeea7762@linaro.org>
Date: Mon, 12 Feb 2024 12:10:25 +0100
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Subject: Re: [PATCH 2/2] arm64: dts: qcom: sm8650: Add dma-coherent property
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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Ling Xu <quic_lxu5@quicinc.com>, andersson@kernel.org,
 konrad.dybcio@linaro.org, robh+dt@kernel.org,
 krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org
Cc: quic_kuiw@quicinc.com, quic_ekangupt@quicinc.com, kernel@quicinc.com,
 linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
 linux-kernel@vger.kernel.org, "Aiqun Yu (Maria)" <quic_aiquny@quicinc.com>,
 Neil Armstrong <neil.armstrong@linaro.org>
References: <20240125102413.3016-1-quic_lxu5@quicinc.com>
 <20240125102413.3016-3-quic_lxu5@quicinc.com>
 <069b82ac-b59c-4665-8a77-6c11a2463faa@linaro.org>
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In-Reply-To: <069b82ac-b59c-4665-8a77-6c11a2463faa@linaro.org>
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On 12/02/2024 12:00, Krzysztof Kozlowski wrote:
> On 25/01/2024 11:24, Ling Xu wrote:
>> Add dma-coherent property to fastRPC context bank nodes to pass dma
>> sequence test in fastrpc sanity test, ensure that data integrity is
>> maintained during DMA operations.
>>
>> Signed-off-by: Ling Xu <quic_lxu5@quicinc.com>
>> ---
>>  arch/arm64/boot/dts/qcom/sm8650.dtsi | 13 +++++++++++++
> 
> This wasn't ever tested:
> 
> sm8650-qrd.dtb: remoteproc@32300000: glink-edge:fastrpc:compute-cb@1:
> 'dma-coherent' does not match any of the regexes: 'pinctrl-[0-9]+'
> 
> Ling,
> How is this testing-patches-before-sending work in different teams? Do
> you have such requirement?

No clue if the original DTS change should be reverted or these are in
fact DMA coherent, but let's choose one path...

https://lore.kernel.org/linux-devicetree/254c1d14-25e3-4f4c-9e79-4ef7cec4d22f@linaro.org/T/#t

Best regards,
Krzysztof