Merge "iommu/arm-smmu: Ensure power resources are enabled during tlb maintenance" (09882fff) · Commits · e / devices / android_kernel_fairphone_FP5

drivers/iommu/arm-smmu.c

+12 −0

Original line number	Diff line number	Diff line
		@@ -3232,7 +3232,13 @@ static void arm_smmu_flush_iotlb_all(struct iommu_domain *domain)

		if (smmu_domain->flush_ops) {
		arm_smmu_rpm_get(smmu);
		if (arm_smmu_domain_power_on(domain, smmu)) {
		WARN_ON(1);
		arm_smmu_rpm_put(smmu);
		return;
		}
		smmu_domain->flush_ops->tlb.tlb_ops.tlb_flush_all(smmu_domain);
		arm_smmu_domain_power_off(domain, smmu);
		arm_smmu_rpm_put(smmu);
		}
		}
		@@ -3245,7 +3251,13 @@ static void arm_smmu_iotlb_sync(struct iommu_domain *domain,

		if (smmu_domain->flush_ops) {
		arm_smmu_rpm_get(smmu);
		if (arm_smmu_domain_power_on(domain, smmu)) {
		WARN_ON(1);
		arm_smmu_rpm_put(smmu);
		return;
		}
		smmu_domain->flush_ops->tlb_sync(smmu_domain);
		arm_smmu_domain_power_off(domain, smmu);
		arm_smmu_rpm_put(smmu);
		}
		}