Re: [PATCH v6 08/14] memory: tegra: Enable compile testing for all drivers

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07.06.2021 17:42, Krzysztof Kozlowski пишет:
> On 07/06/2021 16:19, Thierry Reding wrote:
>> On Mon, Jun 07, 2021 at 05:01:02PM +0300, Dmitry Osipenko wrote:
>>> 07.06.2021 16:36, Thierry Reding пишет:
>>>>> /bin/ld: warning: orphan section `__reservedmem_of_table' from `drivers/memory/tegra/tegra210-emc-table.o' being placed in section `__reservedmem_of_table'
>>>>> /bin/ld: drivers/memory/tegra/mc.o: in function `tegra_mc_probe':
>>>>> mc.c:(.text+0x87a): undefined reference to `reset_controller_register'
>>>>> make[1]: *** [/home/buildbot/worker/builddir/build/Makefile:1191: vmlinux] Error 1
>>> ...
>>>
>>>> Not sure what to do about that orphaned __reservedmem_of_table section.
>>>> Maybe all we need to do is to select OF_RESERVED_MEM from
>>>> TEGRA210_EMC_TABLE?
>>>
>>> Select won't work easily, but the dependency for TEGRA210_EMC should.
>>
>> Select works if I also select OF_EARLY_FLATTREE. That's slightly odd
>> because typically that's something that the platform would select, but
>> there's precedent for doing this in drivers/clk/x86/Kconfig, so I think
>> it'd be fine.
>>
>> The attached patch resolves both of the above issues for me.
>>
>> Krzysztof: do you want to squash that into the problematic patch or do
>> you want me to send this as a follow-up patch for you to apply? I guess
>> the latter since you've already sent out the PR for Will and ARM SoC?
> 
> Follow up, please, but I am not sure about selecting reset controller.
> From the tegra/mc.c code I see it can be optional - if "reset_ops" is
> provided. Therefore I think:
> 1. Reset controller should provide proper stubs. This will fix building
> of mc.c when reset controller is not chosen (regardless of point #2 below).
> 
> 2. Specific drivers should depend on it. Selecting user-visible symbols
> is rather discourage because might lead to circular dependencies.

Thierry, should I send the patches or you're willing to do it?




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