Re: [PATCH] iommu/arm: Allow disabling Qualcomm support in arm_smmu_v3

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On Mon, Mar 10, 2025 at 9:51 AM Aaron Kling <webgeek1234@xxxxxxxxx> wrote:
> I am working with the android kernel. The more recent setup enables a
> minimal setup of configs in a core kernel that works across all
> supported arch's, then requires further support to all be modules. I
> specifically am working with tegra devices. But as ARCH_QCOM is
> enabled in the core defconfig, when I build smmuv3 as a module, I end
> up with a dependency on qcom-scm which gets built as an additional
> module. And it would be preferable to not require qcom modules to boot
> a tegra device.

If you want to build arm_smmu_v3.ko, you'd have

# CONFIG_ARM_SMMU is not set
CONFIG_ARM_SMMU_V3=m

in your .config. I don't see how this would enable ARM_SMMU_QCOM or QCOM_SCM.





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