Messages in this thread Patch in this message | | | From | Rob Herring <> | Subject | [RFC PATCH 06/11] iommu: arm-smmu: Remove Calxeda secure mode quirk | Date | Tue, 18 Feb 2020 11:13:16 -0600 |
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Cc: Will Deacon <will@kernel.org> Cc: Robin Murphy <robin.murphy@arm.com> Cc: Joerg Roedel <joro@8bytes.org> Cc: iommu@lists.linux-foundation.org Signed-off-by: Rob Herring <robh@kernel.org> --- Do not apply yet.
drivers/iommu/arm-smmu-impl.c | 43 ----------------------------------- 1 file changed, 43 deletions(-)
diff --git a/drivers/iommu/arm-smmu-impl.c b/drivers/iommu/arm-smmu-impl.c index 74d97a886e93..a3be8712d27f 100644 --- a/drivers/iommu/arm-smmu-impl.c +++ b/drivers/iommu/arm-smmu-impl.c @@ -9,45 +9,6 @@
#include "arm-smmu.h"
- -static int arm_smmu_gr0_ns(int offset) -{ - switch(offset) { - case ARM_SMMU_GR0_sCR0: - case ARM_SMMU_GR0_sACR: - case ARM_SMMU_GR0_sGFSR: - case ARM_SMMU_GR0_sGFSYNR0: - case ARM_SMMU_GR0_sGFSYNR1: - case ARM_SMMU_GR0_sGFSYNR2: - return offset + 0x400; - default: - return offset; - } -} - -static u32 arm_smmu_read_ns(struct arm_smmu_device *smmu, int page, - int offset) -{ - if (page == ARM_SMMU_GR0) - offset = arm_smmu_gr0_ns(offset); - return readl_relaxed(arm_smmu_page(smmu, page) + offset); -} - -static void arm_smmu_write_ns(struct arm_smmu_device *smmu, int page, - int offset, u32 val) -{ - if (page == ARM_SMMU_GR0) - offset = arm_smmu_gr0_ns(offset); - writel_relaxed(val, arm_smmu_page(smmu, page) + offset); -} - -/* Since we don't care for sGFAR, we can do without 64-bit accessors */ -static const struct arm_smmu_impl calxeda_impl = { - .read_reg = arm_smmu_read_ns, - .write_reg = arm_smmu_write_ns, -}; - - struct cavium_smmu { struct arm_smmu_device smmu; u32 id_base; @@ -166,10 +127,6 @@ struct arm_smmu_device *arm_smmu_impl_init(struct arm_smmu_device *smmu) break; }
- if (of_property_read_bool(smmu->dev->of_node, - "calxeda,smmu-secure-config-access")) - smmu->impl = &calxeda_impl; - if (of_device_is_compatible(smmu->dev->of_node, "qcom,sdm845-smmu-500")) return qcom_smmu_impl_init(smmu);
-- 2.20.1
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