Re: [PATCH] Revert "arm64: defconfig: Enable FSL_MC_BUS and FSL_MC_DPIO"

On Wed, Dec 19, 2018 at 11:18 AM Horia Geantă [off-list ref] 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 <redacted>
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.

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".

       Arnd

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