diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 4e04fff23977348877cce7a00d4ae394fadf91ef..73e47d93e7a05a5f7b9ebc79096081c573656746 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -246,7 +246,13 @@ static u16 get_alias(struct device *dev)
 
 	/* The callers make sure that get_device_id() does not fail here */
 	devid = get_device_id(dev);
+
+	/* For ACPI HID devices, we simply return the devid as such */
+	if (!dev_is_pci(dev))
+		return devid;
+
 	ivrs_alias = amd_iommu_alias_table[devid];
+
 	pci_for_each_dma_alias(pdev, __last_alias, &pci_alias);
 
 	if (ivrs_alias == pci_alias)
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 5f3f10cf9d9d0fecb1fc5747c60cbe9d4f9034b1..bedc801b06a0bf2c6745511acbab08e769a54eb2 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -2540,9 +2540,9 @@ static struct dmar_domain *dmar_insert_one_dev_info(struct intel_iommu *iommu,
 	if (dev && dev_is_pci(dev) && info->pasid_supported) {
 		ret = intel_pasid_alloc_table(dev);
 		if (ret) {
-			__dmar_remove_one_dev_info(info);
-			spin_unlock_irqrestore(&device_domain_lock, flags);
-			return NULL;
+			pr_warn("No pasid table for %s, pasid disabled\n",
+				dev_name(dev));
+			info->pasid_supported = 0;
 		}
 	}
 	spin_unlock_irqrestore(&device_domain_lock, flags);
diff --git a/drivers/iommu/intel-pasid.h b/drivers/iommu/intel-pasid.h
index 1c05ed6fc5a596383c7ed94d7bac69de38d4554d..1fb5e12b029ac717379ec74544c83254ea0c0259 100644
--- a/drivers/iommu/intel-pasid.h
+++ b/drivers/iommu/intel-pasid.h
@@ -11,7 +11,7 @@
 #define __INTEL_PASID_H
 
 #define PASID_MIN			0x1
-#define PASID_MAX			0x100000
+#define PASID_MAX			0x20000
 
 struct pasid_entry {
 	u64 val;
diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c
index 258115b10fa9e448129d84a0663ab99d51c64ee5..ad3e2b97469ed6de44f3524cafd677825d7afca5 100644
--- a/drivers/iommu/rockchip-iommu.c
+++ b/drivers/iommu/rockchip-iommu.c
@@ -1241,6 +1241,12 @@ static int rk_iommu_probe(struct platform_device *pdev)
 
 static void rk_iommu_shutdown(struct platform_device *pdev)
 {
+	struct rk_iommu *iommu = platform_get_drvdata(pdev);
+	int i = 0, irq;
+
+	while ((irq = platform_get_irq(pdev, i++)) != -ENXIO)
+		devm_free_irq(iommu->dev, irq, iommu);
+
 	pm_runtime_force_suspend(&pdev->dev);
 }