linux-kernel - Re: [PATCH 3/6] dt-bindings: usb: dwc3: Allow dma-ranges

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Message-ID: <19f5a3c6-b699-868e-65cd-fb66732d3c4b@linaro.org>
Date:   Fri, 7 Apr 2023 15:53:07 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Wesley Cheng <quic_wcheng@...cinc.com>,
        Stanimir Varbanov <stanimir.k.varbanov@...il.com>,
        Vikash Garodia <quic_vgarodia@...cinc.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Manivannan Sadhasivam <mani@...nel.org>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        Stanimir Varbanov <stanimir.varbanov@...aro.org>,
        linux-media@...r.kernel.org, linux-remoteproc@...r.kernel.org
Subject: Re: [PATCH 3/6] dt-bindings: usb: dwc3: Allow dma-ranges

On 07/04/2023 15:28, Konrad Dybcio wrote:
> Allow the common dma-ranges property to silence warning like this:
> 
> qcom/sc7280-herobrine-evoker.dtb: usb@...8800: 'dma-ranges' does not
> match any of the regexes: '^usb@[0-9a-f]+$', 'pinctrl-[0-9]+'
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>

It would be nice to see here explanation why dma-ranges should be added.
If DTS has it incorrectly, it might not be valid reason to add to the
binding.

Best regards,
Krzysztof