linux-kernel - Re: [PATCH 6.6 00/77] 6.6.85-rc1 review

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Message-ID: <751cf2c6-c692-4595-98e9-fa3ae4dfd10a@oracle.com>
Date: Wed, 26 Mar 2025 08:03:52 +0530
From: Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>
To: Dragan Simic <dsimic@...jaro.org>,
        Naresh Kamboju <naresh.kamboju@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: stable@...r.kernel.org, patches@...ts.linux.dev,
        linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        akpm@...ux-foundation.org, linux@...ck-us.net, shuah@...nel.org,
        patches@...nelci.org, lkft-triage@...ts.linaro.org, pavel@...x.de,
        jonathanh@...dia.com, f.fainelli@...il.com, sudipm.mukherjee@...il.com,
        srw@...dewatkins.net, rwarsow@....de, conor@...nel.org,
        hargar@...rosoft.com, broonie@...nel.org,
        Heiko Stuebner <heiko@...ech.de>,
        Vegard Nossum <vegard.nossum@...cle.com>,
        Darren Kenny <darren.kenny@...cle.com>
Subject: Re: [PATCH 6.6 00/77] 6.6.85-rc1 review

Hi Greg,

On 25/03/25 21:37, Dragan Simic wrote:
> Hello Naresh,
> 
> On 2025-03-25 16:07, Naresh Kamboju wrote:
...
>> Build regression: arm64 dtb rockchip non-existent node or label 
>> "vcca_0v9"
>> Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
>>
>> ## Build log
>> arch/arm64/boot/dts/rockchip/rk3399.dtsi:221.23-266.4: ERROR
>> (phandle_references):
>> /pcie@...00000: Reference to non-existent node or label "vcca_0v9"
>>
>>   also defined at arch/arm64/boot/dts/rockchip/rk3399- 
>> rockpro64.dtsi:659.8-669.3
...
> 
> This is caused by another patch from the original series failing
> to apply due to some bulk regulator renaming.  I'll send backported
> version of that patch soon, which should make everything fine.
> 

On ARM configs, we do see the same issue that Naresh reported.

arch/arm64/boot/dts/rockchip/rk3399.dtsi:221.23-266.4: ERROR 
(phandle_references): /pcie@...00000: Reference to non-existent node or 
label "vcca_0v9"
  also defined at 
arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi:659.8-669.3
ERROR: Input tree has errors, aborting (use -f to force output)
make[3]: *** [scripts/Makefile.lib:423: 
arch/arm64/boot/dts/rockchip/rk3399-rockpro64-v2.dtb] Error 2
make[3]: *** Waiting for unfinished jobs....
arch/arm64/boot/dts/rockchip/rk3399.dtsi:221.23-266.4: ERROR 
(phandle_references): /pcie@...00000: Reference to non-existent node or 
label "vcca_0v9"
  also defined at 
arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi:659.8-669.3
ERROR: Input tree has errors, aborting (use -f to force output)
make[3]: *** [scripts/Makefile.lib:423: 
arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtb] Error 2
make[2]: *** [scripts/Makefile.build:480: arch/arm64/boot/dts/rockchip] 
Error 2
make[2]: *** Waiting for unfinished jobs....

Caused by commit: 1e4bd0ec5a47 ("arm64: dts: rockchip: Add missing PCIe 
supplies to RockPro64 board dtsi") -- PATCH 42/77 of this series.

We see same problem with 6.12.21-rc1 as well.

Notes:
-----
I think Dragan was referring to upstream commit: bd1c959f37f3 ("arm64: 
dts: rockchip: Add avdd HDMI supplies to RockPro64 board dtsi") which 
will fix this problem but fails to apply due to regulator renaming in 
commit: 5c96e6330197 ("arm64: dts: rockchip: adapt regulator nodenames 
to preferred form") which is not in stable kernels(6.6.y and 6.12.y)

Thanks,
Harshit