diff options
| author | Rob Clark <robdclark@chromium.org> | 2020-09-05 13:04:21 -0700 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2020-09-21 22:14:05 +0100 |
| commit | 1226fa0e541c89af22683676b9829fce849efe31 (patch) | |
| tree | 790e81c48d3ce919b0489f15eca0176caa77c0b5 /drivers/iommu | |
| parent | 556db53a71e0e0bcfb30b4d8e4fdd7bb49951b99 (diff) | |
iommu/arm-smmu: Constify some helpers
Sprinkle a few `const`s where helpers don't need write access.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/arm/arm-smmu/arm-smmu.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.h b/drivers/iommu/arm/arm-smmu/arm-smmu.h index 9aaacc906597..1a746476927c 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu.h +++ b/drivers/iommu/arm/arm-smmu/arm-smmu.h @@ -377,7 +377,7 @@ struct arm_smmu_master_cfg { s16 smendx[]; }; -static inline u32 arm_smmu_lpae_tcr(struct io_pgtable_cfg *cfg) +static inline u32 arm_smmu_lpae_tcr(const struct io_pgtable_cfg *cfg) { u32 tcr = FIELD_PREP(ARM_SMMU_TCR_TG0, cfg->arm_lpae_s1_cfg.tcr.tg) | FIELD_PREP(ARM_SMMU_TCR_SH0, cfg->arm_lpae_s1_cfg.tcr.sh) | @@ -398,13 +398,13 @@ static inline u32 arm_smmu_lpae_tcr(struct io_pgtable_cfg *cfg) return tcr; } -static inline u32 arm_smmu_lpae_tcr2(struct io_pgtable_cfg *cfg) +static inline u32 arm_smmu_lpae_tcr2(const struct io_pgtable_cfg *cfg) { return FIELD_PREP(ARM_SMMU_TCR2_PASIZE, cfg->arm_lpae_s1_cfg.tcr.ips) | FIELD_PREP(ARM_SMMU_TCR2_SEP, ARM_SMMU_TCR2_SEP_UPSTREAM); } -static inline u32 arm_smmu_lpae_vtcr(struct io_pgtable_cfg *cfg) +static inline u32 arm_smmu_lpae_vtcr(const struct io_pgtable_cfg *cfg) { return ARM_SMMU_VTCR_RES1 | FIELD_PREP(ARM_SMMU_VTCR_PS, cfg->arm_lpae_s2_cfg.vtcr.ps) | |