linux-kernel - Re: [PATCH] arm64: dts: Add support for Unisoc's UMS512

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Message-ID: <20133e17-78da-d5f6-39bb-0031745fa294@linaro.org>
Date:   Tue, 7 Feb 2023 09:40:16 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Chunyan Zhang <zhang.lyra@...il.com>
Cc:     Chunyan Zhang <chunyan.zhang@...soc.com>,
        Arnd Bergmann <arnd@...db.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, soc@...nel.org,
        devicetree@...r.kernel.org,
        Baolin Wang <baolin.wang@...ux.alibaba.com>,
        Orson Zhai <orsonzhai@...il.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arm64: dts: Add support for Unisoc's UMS512

On 07/02/2023 09:21, Chunyan Zhang wrote:
>>>> Non-unit-address nodes cannot be mixed with unit address ones. Something
>>>> is wrong here.
>>>
>>> To make sure I understand correctly, did you mean non-unit-address
>>> nodes shouldn't be the parent of unit-address nodes?
>>>
>>> Does that mean the bus node should have a unique base address like:
>>>         ap-apb@...00000 {
>>
>> No. I mean, run dtbs W=1 or dtbs_check DT_SCHEMA_FILES=simple-bus
> 
> Ok, I will fix that according to the report.
> 
> BTW, where can I see what W=1 means?

In standard kernel documentation or make help.

Best regards,
Krzysztof