linux-kernel - Re: [PATCH 1/2] arm64: dts: broadcom: remove an unused property dma-ranges

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Date:   Tue, 13 Oct 2020 20:12:37 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Zhen Lei <thunder.leizhen@...wei.com>,
        Rob Herring <robh+dt@...nel.org>, Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list <bcm-kernel-feedback-list@...adcom.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] arm64: dts: broadcom: remove an unused property
 dma-ranges



On 10/12/2020 11:06 PM, Zhen Lei wrote:
> stingray-usb.dtsi is finally included by three dts files:
> bcm958802a802x.dts, bcm958742k.dts and bcm958742t.dts. I searched all
> these three entire expanded dts files, and each of them contains only one
> dma-ranges. No conversion range is specified, so it cannot work properly.
> I think this property "dma-ranges" is added by mistake, just remove it.
> Otherwise, the following error will be reported when any YAML detection
> is performed on arm64.
> 
> arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi:7.3-14: Warning \
> (dma_ranges_format): /usb:dma-ranges: empty "dma-ranges" property but \
> its #address-cells (1) differs from / (2)
> arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi:7.3-14: Warning \
> (dma_ranges_format): /usb:dma-ranges: empty "dma-ranges" property but \
> its #size-cells (1) differs from / (2)
> 
> Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>

This looks fine to me, Scott, Ray do you want to Ack this patch before I 
take it?
-- 
Florian