Re: [PATCH v2 1/2] arm64: dts: broadcom: clear the warnings caused by empty dma-ranges

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On 11/9/20 9:56 AM, Arnd Bergmann wrote:
> On Mon, Nov 9, 2020 at 6:30 PM Florian Fainelli <f.fainelli@xxxxxxxxx> wrote:
>>
>> On 11/8/20 10:18 PM, Leizhen (ThunderTown) wrote:
>>> Hi, everybody:
>>>   How do we deal with this problem? I updated the kernel to the latest and the problem still persists.
>>>
>>>   make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- -j24 dtbs 2>err.txt
>>>   vim err.txt
>>>
>>> arch/arm64/boot/dts/qcom/ipq6018.dtsi:185.3-14: Warning (dma_ranges_format): /soc:dma-ranges: empty "dma-ranges" property but its #address-cells (1) differs from / (2)
>>> arch/arm64/boot/dts/qcom/ipq6018.dtsi:185.3-14: Warning (dma_ranges_format): /soc:dma-ranges: empty "dma-ranges" property but its #size-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 #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)
>>> 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)
>>> 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)
>>
>> I was hoping that Ray or Scott could give this a try, and TBH, I am
>> still not a big fan of having to mangle the 'reg' property to be
>> compatible with #address-cells = <2> and #size-cells = <2>, I would have
>> preferred omitting the 'dma-ranges' property entirely.
>>
>> We have plenty of time to get this patch applied for v5.11.
> 
> I would much prefer to get the warning fixed for v5.10, once we know what the
> hardware can or cannot actually do, as it is one of the warnings that shows
> up in every kernelci build.

OK, in that case:

Acked-by: Florian Fainelli <f.fainelli@xxxxxxxxx>

feel free to pick those patches directly for 5.10 fixes. Thanks!
-- 
Florian



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