iommu/arm-smmu: Remove redundant calculation of gr0 base address

Since commit 1463fe44fd0f ("iommu/arm-smmu: Don't use VMIDs for stage-1
translations"), we don't need the GR0 base address when initialising a
context bank, so remove the useless local variable and its init code.

Signed-off-by: Will Deacon <will.deacon@arm.com>

diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 53a8535..11797c5 100644 (file)
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -1362,9 +1362,8 @@ static void arm_smmu_init_context_bank(struct arm_smmu_domain *smmu_domain,
        bool stage1;
        struct arm_smmu_cfg *cfg = &smmu_domain->cfg;
        struct arm_smmu_device *smmu = smmu_domain->smmu;
-       void __iomem *cb_base, *gr0_base, *gr1_base;
+       void __iomem *cb_base, *gr1_base;
 
-       gr0_base = ARM_SMMU_GR0(smmu);
        gr1_base = ARM_SMMU_GR1(smmu);
        stage1 = cfg->cbar != CBAR_TYPE_S2_TRANS;
        cb_base = ARM_SMMU_CB_BASE(smmu) + ARM_SMMU_CB(smmu, cfg->cbndx);