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Date: Thu, 13 Aug 2020 19:41:03 -0700 From: Rob Clark <robdclark@...il.com> To: dri-devel@...ts.freedesktop.org, iommu@...ts.linux-foundation.org, linux-arm-msm@...r.kernel.org Cc: Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>, Will Deacon <will@...nel.org>, freedreno@...ts.freedesktop.org, Bjorn Andersson <bjorn.andersson@...aro.org>, Sibi Sankar <sibis@...eaurora.org>, Vivek Gautam <vivek.gautam@...eaurora.org>, Stephen Boyd <swboyd@...omium.org>, Robin Murphy <robin.murphy@....com>, Joerg Roedel <joro@...tes.org>, linux-arm-kernel@...ts.infradead.org, Rob Clark <robdclark@...omium.org>, Jordan Crouse <jcrouse@...eaurora.org>, Pritesh Raithatha <praithatha@...dia.com>, Krishna Reddy <vdumpa@...dia.com>, linux-kernel@...r.kernel.org (open list) Subject: [PATCH 08/19] iommu/arm-smmu: constify some helpers From: Rob Clark <robdclark@...omium.org> Sprinkle a few `const`s where helpers don't need write access. Signed-off-by: Rob Clark <robdclark@...omium.org> --- drivers/iommu/arm/arm-smmu/arm-smmu.h | 6 +++--- 1 file 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 59ff3fc5c6c8..27c83333fc50 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) | -- 2.26.2
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