Merge "iommu/arm-smmu: add support for DOMAIN_ATTR_CONTEXT_BANK" (c438f0f1) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/iommu/arm-smmu.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -1934,6 +1934,14 @@ static int arm_smmu_domain_get_attr(struct iommu_domain *domain,
		smmu_domain->pgtbl_cfg.arm_lpae_s1_cfg.ttbr[0];
		ret = 0;
		break;
		case DOMAIN_ATTR_CONTEXT_BANK:
		/* context bank index isn't valid until we are attached */
		if (smmu_domain->smmu == NULL)
		return -ENODEV;

		((unsigned int ) data) = smmu_domain->cfg.cbndx;
		ret = 0;
		break;
		default:
		ret = -ENODEV;
		break;