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iommu: arm-smmu-impl: Use table to list QCOM implementations

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Use table and of_match_node() to match qcom implementation
instead of multiple of_device_compatible() calls for each
QCOM SMMU implementation.

Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/4e11899bc02102a6e6155db215911e8b5aaba950.1606287059.git.saiprakash.ranjan@codeaurora.org
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Sai Prakash Ranjan 2020-11-25 12:30:17 +05:30 committed by Will Deacon
parent 12bc36793f
commit 00597f9ff5
3 changed files with 17 additions and 14 deletions
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9
drivers/iommu/arm/arm-smmu/arm-smmu-impl.c
View File

@ -214,14 +214,7 @@ struct arm_smmu_device *arm_smmu_impl_init(struct arm_smmu_device *smmu)
if (of_device_is_compatible(np, "nvidia,tegra194-smmu"))
return nvidia_smmu_impl_init(smmu);
if (of_device_is_compatible(np, "qcom,sdm845-smmu-500") ||
of_device_is_compatible(np, "qcom,sc7180-smmu-500") ||
of_device_is_compatible(np, "qcom,sm8150-smmu-500") ||
of_device_is_compatible(np, "qcom,sm8250-smmu-500"))
return qcom_smmu_impl_init(smmu);
if (of_device_is_compatible(smmu->dev->of_node, "qcom,adreno-smmu"))
return qcom_adreno_smmu_impl_init(smmu);
smmu = qcom_smmu_impl_init(smmu);
if (of_device_is_compatible(np, "marvell,ap806-smmu-500"))
smmu->impl = &mrvl_mmu500_impl;

21
drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
View File

@ -318,12 +318,23 @@ static struct arm_smmu_device *qcom_smmu_create(struct arm_smmu_device *smmu,
return &qsmmu->smmu;
}
static const struct of_device_id __maybe_unused qcom_smmu_impl_of_match[] = {
{ .compatible = "qcom,sc7180-smmu-500" },
{ .compatible = "qcom,sdm845-smmu-500" },
{ .compatible = "qcom,sm8150-smmu-500" },
{ .compatible = "qcom,sm8250-smmu-500" },
{ }
};
struct arm_smmu_device *qcom_smmu_impl_init(struct arm_smmu_device *smmu)
{
return qcom_smmu_create(smmu, &qcom_smmu_impl);
}
const struct device_node *np = smmu->dev->of_node;
struct arm_smmu_device *qcom_adreno_smmu_impl_init(struct arm_smmu_device *smmu)
{
return qcom_smmu_create(smmu, &qcom_adreno_smmu_impl);
if (of_match_node(qcom_smmu_impl_of_match, np))
return qcom_smmu_create(smmu, &qcom_smmu_impl);
if (of_device_is_compatible(np, "qcom,adreno-smmu"))
return qcom_smmu_create(smmu, &qcom_adreno_smmu_impl);
return smmu;
}

1
drivers/iommu/arm/arm-smmu/arm-smmu.h
View File

@ -523,7 +523,6 @@ static inline void arm_smmu_writeq(struct arm_smmu_device *smmu, int page,
struct arm_smmu_device *arm_smmu_impl_init(struct arm_smmu_device *smmu);
struct arm_smmu_device *nvidia_smmu_impl_init(struct arm_smmu_device *smmu);
struct arm_smmu_device *qcom_smmu_impl_init(struct arm_smmu_device *smmu);
struct arm_smmu_device *qcom_adreno_smmu_impl_init(struct arm_smmu_device *smmu);
void arm_smmu_write_context_bank(struct arm_smmu_device *smmu, int idx);
int arm_mmu500_reset(struct arm_smmu_device *smmu);