iommu/arm-smmu-qcom: record reason for deferring probe

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To avoid deferring probe smmu driver silently, record reason for it.
It can be checked through ../debugfs/devices_deferred as well:
/sys/kernel/debug# cat devices_deferred
15000000.iommu  arm-smmu: qcom_scm not ready

Signed-off-by: Zhenhua Huang <quic_zhenhuah@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/1719910870-25079-1-git-send-email-quic_zhenhuah@quicinc.com
Signed-off-by: Will Deacon <will@kernel.org>

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Zhenhua Huang 2024-07-02 17:01:10 +08:00 • committed by Will Deacon

parent d525b0af0c

commit 9796cf9b3e

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drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c

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