Commit 1226fa0e authored by Rob Clark's avatar Rob Clark Committed by Will Deacon
Browse files

iommu/arm-smmu: Constify some helpers 



Sprinkle a few `const`s where helpers don't need write access.

Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
Reviewed-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent 556db53a

drivers/iommu/arm/arm-smmu/arm-smmu.h

+3 −3
Original line number Diff line number Diff line
@@ -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) |