[PATCH] iommu/arm-smmu-qcom: do not register driver in probe()

Mark Brown broonie at kernel.org
Wed Jan 21 08:05:37 PST 2026


On Wed, Jan 21, 2026 at 03:12:01PM +0100, Danilo Krummrich wrote:
> Commit 0b4eeee2876f ("iommu/arm-smmu-qcom: Register the TBU driver in
> qcom_smmu_impl_init") intended to also probe the TBU driver when
> CONFIG_ARM_SMMU_QCOM_DEBUG is disabled, but also moved the corresponding
> platform_driver_register() call into qcom_smmu_impl_init() which is
> called from arm_smmu_device_probe().

This fixes the boot lockup on Juno for me:

Tested-by: Mark Brown <broonie at kernel.org>
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