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SubjectRe: [PATCH] Revert "arm64: defconfig: Enable FSL_MC_BUS and FSL_MC_DPIO"
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On 12/20/2018 5:28 PM, Arnd Bergmann wrote:
> On Wed, Dec 19, 2018 at 11:18 AM Horia Geantă <horia.geanta@nxp.com> wrote:
>>
>> This reverts commit d9678adbe733a770428a98651beaa2817d503ed3.
>>
>> Received below report from Stefan.
>> Revert the commit until CAAM driver dependency cycles are fixed.
>>
>> this patch in next-20181214 breaks "make modules_install" for
>> arm64/defconfig on my Ubuntu machine:
>>
>> DEPMOD 4.20.0-rc6-next-20181214
>> depmod: ERROR: Found 6 modules in dependency cycles!
>> depmod: ERROR: Cycle detected: caamalg_desc -> dpaa2_caam -> authenc
>> depmod: ERROR: Cycle detected: caamalg_desc -> dpaa2_caam -> fsl_mc_dpio
>> depmod: ERROR: Cycle detected: dpaa2_caam -> caamhash_desc -> dpaa2_caam
>> depmod: ERROR: Cycle detected: caamalg_desc -> dpaa2_caam -> caamhash_desc -> error
>> depmod: ERROR: Cycle detected: caamalg_desc -> dpaa2_caam -> caamhash_desc -> caamalg_desc
>>
>> Reported-by: Stefan Wahren <stefan.wahren@i2se.com>
>> Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
>
> I've applied the revert, but I think there is still a problem, since
> anyone could manually enable those options and should not
> see those cycles in the module dependencies.
>
Agree, root cause has to be fixed.

> Horia, can you have a look at what caused that and how to fix it?
> It's probably a commit in the caam drivers. I have also created
> a patch to address a problem with that driver but forgot
> to send that out, it might fix this one as well, see my follow-up
> patch "crypto: caam/qi2 - add a CRYPTO_DEV_FSL_CAAM
> dependency".
>
Yes, will continue discussion there.

Thanks,
Horia


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