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Message-ID: <88c31e71-55b6-a20d-1fcf-07804eace54b@linaro.org>
Date: Tue, 7 Feb 2023 17:27:20 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: neil.armstrong@...aro.org, Andy Gross <agross@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konrad.dybcio@...aro.org>,
Vinod Koul <vkoul@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc: linux-arm-msm@...r.kernel.org, dmaengine@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: dma: qcom,bam-dma: add optional memory
interconnect properties
On 07/02/2023 15:35, Neil Armstrong wrote:
> On 07/02/2023 11:32, Dmitry Baryshkov wrote:
>> On 07/02/2023 12:03, Neil Armstrong wrote:
>>> Recents SoCs like the SM8450 or SM8550 requires memory interconnect
>>> in order to have functional DMA.
>>>
>>> Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
>>> ---
>>> Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml | 6 ++++++
>>> 1 file changed, 6 insertions(+)
>>
>> I suspect this will not work without a change for a driver.
>>
>
> I had the impression single interconnect entries would be taken in account
> by the platform core, but it doesn't seem to be the case, anyway I can;t
> find
> any code doing that.
Probably you mixed interconnects and power-domains here.
> I'll resend with a driver change.
Thanks!
--
With best wishes
Dmitry
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