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[73.25.156.94]) by smtp.gmail.com with ESMTPSA id y195sm10492742pfc.137.2020.09.05.13.04.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Sep 2020 13:04:53 -0700 (PDT) From: Rob Clark To: iommu@lists.linux-foundation.org, dri-devel@lists.freedesktop.org, Will Deacon , Robin Murphy , Joerg Roedel Cc: linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, Bjorn Andersson , Sibi Sankar , Vivek Gautam , Stephen Boyd , Akhil P Oommen , Rob Clark , Jordan Crouse , Krishna Reddy , linux-arm-kernel@lists.infradead.org (moderated list:ARM SMMU DRIVERS), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v17 15/20] iommu/arm-smmu: Constify some helpers Date: Sat, 5 Sep 2020 13:04:21 -0700 Message-Id: <20200905200454.240929-16-robdclark@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200905200454.240929-1-robdclark@gmail.com> References: <20200905200454.240929-1-robdclark@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Rob Clark Sprinkle a few `const`s where helpers don't need write access. Signed-off-by: Rob Clark Reviewed-by: Bjorn Andersson --- 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 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) | -- 2.26.2