linux-kernel - Re: linux-next: Tree for Sep 20 (ppc32: ADB

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Date:   Thu, 21 Sep 2023 21:51:47 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        tanyuan@...ylab.org
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        Nicholas Piggin <npiggin@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>
Subject: Re: linux-next: Tree for Sep 20 (ppc32: ADB_CUDA Kconfig warning)



On 9/21/23 17:10, Michael Ellerman wrote:
> Randy Dunlap <rdunlap@...radead.org> writes:
>> On 9/19/23 20:37, Stephen Rothwell wrote:
>>> Hi all,
>>>
>>> Changes since 20230919:
>>>
>>> The mm tree lost its boot warning.
>>>
>>> The drm-misc tree gained a conflict against Linus' tree.
>>>
>>> Non-merge commits (relative to Linus' tree): 6006
>>>  3996 files changed, 459968 insertions(+), 111742 deletions(-)
>>>
>>> ----------------------------------------------------------------------------
>>
>> 4 out of 10 randconfigs have this warning:
>>
>> WARNING: unmet direct dependencies detected for ADB_CUDA
>>   Depends on [n]: MACINTOSH_DRIVERS [=n] && (ADB [=n] || PPC_PMAC [=y]) && !PPC_PMAC64 [=n]
>>   Selected by [y]:
>>   - PPC_PMAC [=y] && PPC_BOOK3S [=y] && CPU_BIG_ENDIAN [=y] && POWER_RESET [=y] && PPC32 [=y]
>>
>> WARNING: unmet direct dependencies detected for ADB_CUDA
>>   Depends on [n]: MACINTOSH_DRIVERS [=n] && (ADB [=n] || PPC_PMAC [=y]) && !PPC_PMAC64 [=n]
>>   Selected by [y]:
>>   - PPC_PMAC [=y] && PPC_BOOK3S [=y] && CPU_BIG_ENDIAN [=y] && POWER_RESET [=y] && PPC32 [=y]
>>
>> WARNING: unmet direct dependencies detected for ADB_CUDA
>>   Depends on [n]: MACINTOSH_DRIVERS [=n] && (ADB [=n] || PPC_PMAC [=y]) && !PPC_PMAC64 [=n]
>>   Selected by [y]:
>>   - PPC_PMAC [=y] && PPC_BOOK3S [=y] && CPU_BIG_ENDIAN [=y] && POWER_RESET [=y] && PPC32 [=y]
> 
> Crud. Caused by:
> 
> a3ef2fef198c ("powerpc/32: Add dependencies of POWER_RESET for pmac32")
> 
> I was suspicious of that select, I should have been *more* suspicious :)
> 
> I think this is a fix. The PPC32 isn't needed because ADB depends on (PPC_PMAC && PPC32).

Yes, that fixes the problem. Thanks.

Tested-by: Randy Dunlap <rdunlap@...radead.org>
Acked-by: Randy Dunlap <rdunlap@...radead.org>

> 
> diff --git a/arch/powerpc/platforms/powermac/Kconfig b/arch/powerpc/platforms/powermac/Kconfig
> index 8bdae0caf21e..84f101ec53a9 100644
> --- a/arch/powerpc/platforms/powermac/Kconfig
> +++ b/arch/powerpc/platforms/powermac/Kconfig
> @@ -2,7 +2,7 @@
>  config PPC_PMAC
>         bool "Apple PowerMac based machines"
>         depends on PPC_BOOK3S && CPU_BIG_ENDIAN
> -       select ADB_CUDA if POWER_RESET && PPC32
> +       select ADB_CUDA if POWER_RESET && ADB
>         select MPIC
>         select FORCE_PCI
>         select PPC_INDIRECT_PCI if PPC32
> 
> cheers

-- 
~Randy