linux-kernel - Re: [PATCH v2 2/4] arm64: dts: ti: k3: squelch warnings regarding no #address-cells for interrupt-controller

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Message-ID: <2c6df02e-e7a8-fa48-27bc-140bfa500360@ti.com>
Date:   Fri, 8 Jan 2021 19:35:46 +0530
From:   Lokesh Vutla <lokeshvutla@...com>
To:     Nishanth Menon <nm@...com>, Sekhar Nori <nsekhar@...com>,
        Device Tree Mailing List <devicetree@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>
CC:     Grygorii Strashko <grygorii.strashko@...com>,
        Linux ARM Mailing List <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, Faiz Abbas <faiz_abbas@...com>,
        Andre Przywara <andre.przywara@....com>
Subject: Re: [PATCH v2 2/4] arm64: dts: ti: k3: squelch warnings regarding no
 #address-cells for interrupt-controller

Hi Rob, Grygorii,

On 27/11/20 7:53 pm, Nishanth Menon wrote:
> On 09:46-20201124, Sekhar Nori wrote:
>> On 24/11/20 6:51 AM, Nishanth Menon wrote:
>>> On 09:45-20201123, Sekhar Nori wrote:
>>>>>> The main reason I commented - is hope to get some clarification from DT maintainers.
>>>>>> 90% of interrupt-controller nodes do not have #address-cells and I never seen in in GPIO nodes
>>>>>> (most often is present in PCI and GIC nodes).
>>>>>> and nobody seems fixing it. So, if we are going to move this direction it's reasonable to get clarification to be sure.
>>>>>>
>>>>>> And there is no "never" here - #address-cells always can be added if really required.
>>>>>
>>>>>
>>>>> OK - as a GPIO node, but as an interrupt-controller node, I was
>>>>> looking at [1] and wondering if that was the precedence.
>>>>>
>>>>> Yes, will be good to get direction from the DT maintainers on this
>>>>> topic.
>>>>

Is there a conclusion on this topic?  Without adding address-cells for interrupt
controller we will be introducing new warning for all the new nodes we are adding.

Thanks and regards,
Lokesh