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Merge "iommu/arm-smmu: Add support for active-only interconnect votes"

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qctecmdr 2020-02-26 19:04:35 -08:00 • committed by Gerrit - the friendly Code Review server
commit a2487ea698
1 changed files with 4 additions and 0 deletions
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4
drivers/iommu/arm-smmu.c
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@ -79,6 +79,7 @@
#define ARM_SMMU_ICC_AVG_BW 0
#define ARM_SMMU_ICC_PEAK_BW_HIGH 1000
#define ARM_SMMU_ICC_PEAK_BW_LOW 0
#define ARM_SMMU_ICC_ACTIVE_ONLY_TAG 0x3
static int force_stage;
module_param(force_stage, int, S_IRUGO);
@ -4253,6 +4254,9 @@ static int arm_smmu_init_interconnect(struct arm_smmu_power_resources *pwr)
return pwr->icc_path ? PTR_ERR(pwr->icc_path) : -EINVAL;
}
if (of_property_read_bool(dev->of_node, "qcom,active-only"))
icc_set_tag(pwr->icc_path, ARM_SMMU_ICC_ACTIVE_ONLY_TAG);
return 0;
}