diff --git a/drivers/iommu/arm/arm-smmu/qcom_iommu.c b/drivers/iommu/arm/arm-smmu/qcom_iommu.c
index ecde5ca2d476..5a9f8b39a99c 100644
--- a/drivers/iommu/arm/arm-smmu/qcom_iommu.c
+++ b/drivers/iommu/arm/arm-smmu/qcom_iommu.c
@@ -704,8 +704,13 @@ static int qcom_iommu_ctx_probe(struct platform_device *pdev)
 	/* clear IRQs before registering fault handler, just in case the
 	 * boot-loader left us a surprise:
 	 */
-	if (!ctx->secured_ctx)
+	if (!ctx->secured_ctx) {
+		ret = pm_runtime_resume_and_get(dev->parent);
+		if (ret)
+			return ret;
 		iommu_writel(ctx, ARM_SMMU_CB_FSR, iommu_readl(ctx, ARM_SMMU_CB_FSR));
+		pm_runtime_put_sync(dev->parent);
+	}
 
 	ret = devm_request_irq(dev, irq,
 			       qcom_iommu_fault,