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| author | Robin Murphy <robin.murphy@arm.com> | 2017-01-06 14:28:16 +0100 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2017-01-19 16:56:21 +0100 |
| commit | 14b4dbafa7e7e13323e402efd7723aafa391d69a (patch) | |
| tree | 418157568df3077ca22b17ddbe40c93f65ad91e9 /drivers/iommu/arm-smmu-v3.c | |
| parent | iommu/arm-smmu: Set privileged attribute to 'default' instead of 'unprivileged' (diff) | |
| download | linux-14b4dbafa7e7e13323e402efd7723aafa391d69a.tar.xz linux-14b4dbafa7e7e13323e402efd7723aafa391d69a.zip | |
Revert "iommu/arm-smmu: Set PRIVCFG in stage 1 STEs"
This reverts commit df5e1a0f2a2d779ad467a691203bcbc74d75690e.
Now that proper privileged mappings can be requested via IOMMU_PRIV,
unconditionally overriding the incoming PRIVCFG becomes the wrong thing
to do, so stop it.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'drivers/iommu/arm-smmu-v3.c')
| -rw-r--r-- | drivers/iommu/arm-smmu-v3.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index 4d6ec444a9d6..7d45d8bb91a5 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c @@ -269,9 +269,6 @@ #define STRTAB_STE_1_SHCFG_INCOMING 1UL #define STRTAB_STE_1_SHCFG_SHIFT 44 -#define STRTAB_STE_1_PRIVCFG_UNPRIV 2UL -#define STRTAB_STE_1_PRIVCFG_SHIFT 48 - #define STRTAB_STE_2_S2VMID_SHIFT 0 #define STRTAB_STE_2_S2VMID_MASK 0xffffUL #define STRTAB_STE_2_VTCR_SHIFT 32 @@ -1073,9 +1070,7 @@ static void arm_smmu_write_strtab_ent(struct arm_smmu_device *smmu, u32 sid, #ifdef CONFIG_PCI_ATS STRTAB_STE_1_EATS_TRANS << STRTAB_STE_1_EATS_SHIFT | #endif - STRTAB_STE_1_STRW_NSEL1 << STRTAB_STE_1_STRW_SHIFT | - STRTAB_STE_1_PRIVCFG_UNPRIV << - STRTAB_STE_1_PRIVCFG_SHIFT); + STRTAB_STE_1_STRW_NSEL1 << STRTAB_STE_1_STRW_SHIFT); if (smmu->features & ARM_SMMU_FEAT_STALLS) dst[1] |= cpu_to_le64(STRTAB_STE_1_S1STALLD); |