diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index 641e887..d156c1e 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -1161,36 +1161,66 @@
 	struct arm_smmu_queue *q = &smmu->evtq.q;
 	u64 evt[EVTQ_ENT_DWORDS];
 
-	while (!queue_remove_raw(q, evt)) {
-		u8 id = evt[0] >> EVTQ_0_ID_SHIFT & EVTQ_0_ID_MASK;
+	do {
+		while (!queue_remove_raw(q, evt)) {
+			u8 id = evt[0] >> EVTQ_0_ID_SHIFT & EVTQ_0_ID_MASK;
 
-		dev_info(smmu->dev, "event 0x%02x received:\n", id);
-		for (i = 0; i < ARRAY_SIZE(evt); ++i)
-			dev_info(smmu->dev, "\t0x%016llx\n",
-				 (unsigned long long)evt[i]);
-	}
+			dev_info(smmu->dev, "event 0x%02x received:\n", id);
+			for (i = 0; i < ARRAY_SIZE(evt); ++i)
+				dev_info(smmu->dev, "\t0x%016llx\n",
+					 (unsigned long long)evt[i]);
+
+		}
+
+		/*
+		 * Not much we can do on overflow, so scream and pretend we're
+		 * trying harder.
+		 */
+		if (queue_sync_prod(q) == -EOVERFLOW)
+			dev_err(smmu->dev, "EVTQ overflow detected -- events lost\n");
+	} while (!queue_empty(q));
 
 	/* Sync our overflow flag, as we believe we're up to speed */
 	q->cons = Q_OVF(q, q->prod) | Q_WRP(q, q->cons) | Q_IDX(q, q->cons);
 	return IRQ_HANDLED;
 }
 
-static irqreturn_t arm_smmu_evtq_handler(int irq, void *dev)
+static void arm_smmu_handle_ppr(struct arm_smmu_device *smmu, u64 *evt)
 {
-	irqreturn_t ret = IRQ_WAKE_THREAD;
-	struct arm_smmu_device *smmu = dev;
-	struct arm_smmu_queue *q = &smmu->evtq.q;
+	u32 sid, ssid;
+	u16 grpid;
+	bool ssv, last;
 
-	/*
-	 * Not much we can do on overflow, so scream and pretend we're
-	 * trying harder.
-	 */
-	if (queue_sync_prod(q) == -EOVERFLOW)
-		dev_err(smmu->dev, "EVTQ overflow detected -- events lost\n");
-	else if (queue_empty(q))
-		ret = IRQ_NONE;
+	sid = evt[0] >> PRIQ_0_SID_SHIFT & PRIQ_0_SID_MASK;
+	ssv = evt[0] & PRIQ_0_SSID_V;
+	ssid = ssv ? evt[0] >> PRIQ_0_SSID_SHIFT & PRIQ_0_SSID_MASK : 0;
+	last = evt[0] & PRIQ_0_PRG_LAST;
+	grpid = evt[1] >> PRIQ_1_PRG_IDX_SHIFT & PRIQ_1_PRG_IDX_MASK;
 
-	return ret;
+	dev_info(smmu->dev, "unexpected PRI request received:\n");
+	dev_info(smmu->dev,
+		 "\tsid 0x%08x.0x%05x: [%u%s] %sprivileged %s%s%s access at iova 0x%016llx\n",
+		 sid, ssid, grpid, last ? "L" : "",
+		 evt[0] & PRIQ_0_PERM_PRIV ? "" : "un",
+		 evt[0] & PRIQ_0_PERM_READ ? "R" : "",
+		 evt[0] & PRIQ_0_PERM_WRITE ? "W" : "",
+		 evt[0] & PRIQ_0_PERM_EXEC ? "X" : "",
+		 evt[1] & PRIQ_1_ADDR_MASK << PRIQ_1_ADDR_SHIFT);
+
+	if (last) {
+		struct arm_smmu_cmdq_ent cmd = {
+			.opcode			= CMDQ_OP_PRI_RESP,
+			.substream_valid	= ssv,
+			.pri			= {
+				.sid	= sid,
+				.ssid	= ssid,
+				.grpid	= grpid,
+				.resp	= PRI_RESP_DENY,
+			},
+		};
+
+		arm_smmu_cmdq_issue_cmd(smmu, &cmd);
+	}
 }
 
 static irqreturn_t arm_smmu_priq_thread(int irq, void *dev)
@@ -1199,63 +1229,19 @@
 	struct arm_smmu_queue *q = &smmu->priq.q;
 	u64 evt[PRIQ_ENT_DWORDS];
 
-	while (!queue_remove_raw(q, evt)) {
-		u32 sid, ssid;
-		u16 grpid;
-		bool ssv, last;
+	do {
+		while (!queue_remove_raw(q, evt))
+			arm_smmu_handle_ppr(smmu, evt);
 
-		sid = evt[0] >> PRIQ_0_SID_SHIFT & PRIQ_0_SID_MASK;
-		ssv = evt[0] & PRIQ_0_SSID_V;
-		ssid = ssv ? evt[0] >> PRIQ_0_SSID_SHIFT & PRIQ_0_SSID_MASK : 0;
-		last = evt[0] & PRIQ_0_PRG_LAST;
-		grpid = evt[1] >> PRIQ_1_PRG_IDX_SHIFT & PRIQ_1_PRG_IDX_MASK;
-
-		dev_info(smmu->dev, "unexpected PRI request received:\n");
-		dev_info(smmu->dev,
-			 "\tsid 0x%08x.0x%05x: [%u%s] %sprivileged %s%s%s access at iova 0x%016llx\n",
-			 sid, ssid, grpid, last ? "L" : "",
-			 evt[0] & PRIQ_0_PERM_PRIV ? "" : "un",
-			 evt[0] & PRIQ_0_PERM_READ ? "R" : "",
-			 evt[0] & PRIQ_0_PERM_WRITE ? "W" : "",
-			 evt[0] & PRIQ_0_PERM_EXEC ? "X" : "",
-			 evt[1] & PRIQ_1_ADDR_MASK << PRIQ_1_ADDR_SHIFT);
-
-		if (last) {
-			struct arm_smmu_cmdq_ent cmd = {
-				.opcode			= CMDQ_OP_PRI_RESP,
-				.substream_valid	= ssv,
-				.pri			= {
-					.sid	= sid,
-					.ssid	= ssid,
-					.grpid	= grpid,
-					.resp	= PRI_RESP_DENY,
-				},
-			};
-
-			arm_smmu_cmdq_issue_cmd(smmu, &cmd);
-		}
-	}
+		if (queue_sync_prod(q) == -EOVERFLOW)
+			dev_err(smmu->dev, "PRIQ overflow detected -- requests lost\n");
+	} while (!queue_empty(q));
 
 	/* Sync our overflow flag, as we believe we're up to speed */
 	q->cons = Q_OVF(q, q->prod) | Q_WRP(q, q->cons) | Q_IDX(q, q->cons);
 	return IRQ_HANDLED;
 }
 
-static irqreturn_t arm_smmu_priq_handler(int irq, void *dev)
-{
-	irqreturn_t ret = IRQ_WAKE_THREAD;
-	struct arm_smmu_device *smmu = dev;
-	struct arm_smmu_queue *q = &smmu->priq.q;
-
-	/* PRIQ overflow indicates a programming error */
-	if (queue_sync_prod(q) == -EOVERFLOW)
-		dev_err(smmu->dev, "PRIQ overflow detected -- requests lost\n");
-	else if (queue_empty(q))
-		ret = IRQ_NONE;
-
-	return ret;
-}
-
 static irqreturn_t arm_smmu_cmdq_sync_handler(int irq, void *dev)
 {
 	/* We don't actually use CMD_SYNC interrupts for anything */
@@ -1288,15 +1274,11 @@
 	if (active & GERROR_MSI_GERROR_ABT_ERR)
 		dev_warn(smmu->dev, "GERROR MSI write aborted\n");
 
-	if (active & GERROR_MSI_PRIQ_ABT_ERR) {
+	if (active & GERROR_MSI_PRIQ_ABT_ERR)
 		dev_warn(smmu->dev, "PRIQ MSI write aborted\n");
-		arm_smmu_priq_handler(irq, smmu->dev);
-	}
 
-	if (active & GERROR_MSI_EVTQ_ABT_ERR) {
+	if (active & GERROR_MSI_EVTQ_ABT_ERR)
 		dev_warn(smmu->dev, "EVTQ MSI write aborted\n");
-		arm_smmu_evtq_handler(irq, smmu->dev);
-	}
 
 	if (active & GERROR_MSI_CMDQ_ABT_ERR) {
 		dev_warn(smmu->dev, "CMDQ MSI write aborted\n");
@@ -2235,10 +2217,10 @@
 	/* Request interrupt lines */
 	irq = smmu->evtq.q.irq;
 	if (irq) {
-		ret = devm_request_threaded_irq(smmu->dev, irq,
-						arm_smmu_evtq_handler,
+		ret = devm_request_threaded_irq(smmu->dev, irq, NULL,
 						arm_smmu_evtq_thread,
-						0, "arm-smmu-v3-evtq", smmu);
+						IRQF_ONESHOT,
+						"arm-smmu-v3-evtq", smmu);
 		if (ret < 0)
 			dev_warn(smmu->dev, "failed to enable evtq irq\n");
 	}
@@ -2263,10 +2245,10 @@
 	if (smmu->features & ARM_SMMU_FEAT_PRI) {
 		irq = smmu->priq.q.irq;
 		if (irq) {
-			ret = devm_request_threaded_irq(smmu->dev, irq,
-							arm_smmu_priq_handler,
+			ret = devm_request_threaded_irq(smmu->dev, irq, NULL,
 							arm_smmu_priq_thread,
-							0, "arm-smmu-v3-priq",
+							IRQF_ONESHOT,
+							"arm-smmu-v3-priq",
 							smmu);
 			if (ret < 0)
 				dev_warn(smmu->dev,