iommu/arm-smmu: Remove redundant calculation of gr0 base address (c88ae5de) · Commits · 戴 / test

Since commit ("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>

drivers/iommu/arm-smmu.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -709,9 +709,8 @@ 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);

Admin message