linux-kernel - Re: linux-next: build warning after merge of the arm-soc tree

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Date:   Thu, 23 Dec 2021 11:50:28 +0300
From:   Arınç ÜNAL <arinc.unal@...nc9.com>
To:     Florian Fainelli <f.fainelli@...il.com>,
        Arnd Bergmann <arnd@...db.de>,
        Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Olof Johansson <olof@...om.net>,
        ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the arm-soc tree

Hey Florian.

I'm not sure I understand what's going wrong here. I did everything 
according to the documentation here:
https://github.com/torvalds/linux/blob/master/Documentation/devicetree/bindings/net/dsa/realtek-smi.txt#L158

On 23/12/2021 02:58, Florian Fainelli wrote:
> On 12/22/21 3:22 PM, Arnd Bergmann wrote:
>> On Wed, Dec 22, 2021 at 10:59 PM Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>>>
>>> Hi all,
>>>
>>> After merging the arm-soc tree, today's linux-next build (arm
>>> multi_v7_defconfig) produced this warning:
>>>
>>> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts:109.4-14: Warning (reg_format): /switch/ports:reg: property has invalid length (4 bytes) (#address-cells == 2, #size-cells == 1)
>>> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dtb: Warning (pci_device_reg): Failed prerequisite 'reg_format'
>>> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dtb: Warning (pci_device_bus_num): Failed prerequisite 'reg_format'
>>> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dtb: Warning (i2c_bus_reg): Failed prerequisite 'reg_format'
>>> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dtb: Warning (spi_bus_reg): Failed prerequisite 'reg_format'
>>> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts:106.9-149.5: Warning (avoid_default_addr_size): /switch/ports: Relying on default #address-cells value
>>> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts:106.9-149.5: Warning (avoid_default_addr_size): /switch/ports: Relying on default #size-cells value
>>>
>>> Maybe introduced by commit
>>>
>>>    3d2d52a0d183 ("ARM: dts: BCM5301X: define RTL8365MB switch on Asus RT-AC88U")
>>
>> Confirmed, and now reverted as I'm already tagging the final pull requests.
>>
>> Arınç, Florian: Feel free to resubmit a fixed version for the "late"
>> branch that Olof
>> may still pick up when I'm out of office, in case this is an important
>> change. Otherwise
>> I guess we can leave it for 5.18
> 
> Will do, thanks and sorry about not catching this earlier, I did not see
> it it in the build log somehow.