3 files changed, 596 insertions, 56 deletions

diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c
index e4820bd4b579..736b0c6e27fe 100644
--- a/drivers/usb/cdns3/gadget.c
+++ b/drivers/usb/cdns3/gadget.c
@@ -71,6 +71,23 @@ static int __cdns3_gadget_ep_queue(struct usb_ep *ep,
 				   struct usb_request *request,
 				   gfp_t gfp_flags);
 
+static int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep,
+				 struct usb_request *request);
+
+static int cdns3_ep_run_stream_transfer(struct cdns3_endpoint *priv_ep,
+					struct usb_request *request);
+
+/**
+ * cdns3_clear_register_bit - clear bit in given register.
+ * @ptr: address of device controller register to be read and changed
+ * @mask: bits requested to clar
+ */
+void cdns3_clear_register_bit(void __iomem *ptr, u32 mask)
+{
+	mask = readl(ptr) & ~mask;
+	writel(mask, ptr);
+}
+
 /**
  * cdns3_set_register_bit - set bit in given register.
  * @ptr: address of device controller register to be read and changed
@@ -150,6 +167,21 @@ void cdns3_select_ep(struct cdns3_device *priv_dev, u32 ep)
 	writel(ep, &priv_dev->regs->ep_sel);
 }
 
+/**
+ * cdns3_get_tdl - gets current tdl for selected endpoint.
+ * @priv_dev:  extended gadget object
+ *
+ * Before calling this function the appropriate endpoint must
+ * be selected by means of cdns3_select_ep function.
+ */
+static int cdns3_get_tdl(struct cdns3_device *priv_dev)
+{
+	if (priv_dev->dev_ver < DEV_VER_V3)
+		return EP_CMD_TDL_GET(readl(&priv_dev->regs->ep_cmd));
+	else
+		return readl(&priv_dev->regs->ep_tdl);
+}
+
 dma_addr_t cdns3_trb_virt_to_dma(struct cdns3_endpoint *priv_ep,
 				 struct cdns3_trb *trb)
 {
@@ -166,7 +198,22 @@ int cdns3_ring_size(struct cdns3_endpoint *priv_ep)
 	case USB_ENDPOINT_XFER_CONTROL:
 		return TRB_CTRL_RING_SIZE;
 	default:
-		return TRB_RING_SIZE;
+		if (priv_ep->use_streams)
+			return TRB_STREAM_RING_SIZE;
+		else
+			return TRB_RING_SIZE;
+	}
+}
+
+static void cdns3_free_trb_pool(struct cdns3_endpoint *priv_ep)
+{
+	struct cdns3_device *priv_dev = priv_ep->cdns3_dev;
+
+	if (priv_ep->trb_pool) {
+		dma_free_coherent(priv_dev->sysdev,
+				  cdns3_ring_size(priv_ep),
+				  priv_ep->trb_pool, priv_ep->trb_pool_dma);
+		priv_ep->trb_pool = NULL;
 	}
 }
 
@@ -180,8 +227,12 @@ int cdns3_allocate_trb_pool(struct cdns3_endpoint *priv_ep)
 {
 	struct cdns3_device *priv_dev = priv_ep->cdns3_dev;
 	int ring_size = cdns3_ring_size(priv_ep);
+	int num_trbs = ring_size / TRB_SIZE;
 	struct cdns3_trb *link_trb;
 
+	if (priv_ep->trb_pool && priv_ep->alloc_ring_size < ring_size)
+		cdns3_free_trb_pool(priv_ep);
+
 	if (!priv_ep->trb_pool) {
 		priv_ep->trb_pool = dma_alloc_coherent(priv_dev->sysdev,
 						       ring_size,
@@ -189,32 +240,30 @@ int cdns3_allocate_trb_pool(struct cdns3_endpoint *priv_ep)
 						       GFP_DMA32 | GFP_ATOMIC);
 		if (!priv_ep->trb_pool)
 			return -ENOMEM;
-	} else {
+
+		priv_ep->alloc_ring_size = ring_size;
 		memset(priv_ep->trb_pool, 0, ring_size);
 	}
 
+	priv_ep->num_trbs = num_trbs;
+
 	if (!priv_ep->num)
 		return 0;
 
-	priv_ep->num_trbs = ring_size / TRB_SIZE;
-	/* Initialize the last TRB as Link TRB. */
+	/* Initialize the last TRB as Link TRB */
 	link_trb = (priv_ep->trb_pool + (priv_ep->num_trbs - 1));
-	link_trb->buffer = TRB_BUFFER(priv_ep->trb_pool_dma);
-	link_trb->control = TRB_CYCLE | TRB_TYPE(TRB_LINK) | TRB_TOGGLE;
 
-	return 0;
-}
-
-static void cdns3_free_trb_pool(struct cdns3_endpoint *priv_ep)
-{
-	struct cdns3_device *priv_dev = priv_ep->cdns3_dev;
-
-	if (priv_ep->trb_pool) {
-		dma_free_coherent(priv_dev->sysdev,
-				  cdns3_ring_size(priv_ep),
-				  priv_ep->trb_pool, priv_ep->trb_pool_dma);
-		priv_ep->trb_pool = NULL;
+	if (priv_ep->use_streams) {
+		/*
+		 * For stream capable endpoints driver use single correct TRB.
+		 * The last trb has zeroed cycle bit
+		 */
+		link_trb->control = 0;
+	} else {
+		link_trb->buffer = TRB_BUFFER(priv_ep->trb_pool_dma);
+		link_trb->control = TRB_CYCLE | TRB_TYPE(TRB_LINK) | TRB_TOGGLE;
 	}
+	return 0;
 }
 
 /**
@@ -253,6 +302,7 @@ void cdns3_hw_reset_eps_config(struct cdns3_device *priv_dev)
 	priv_dev->onchip_used_size = 0;
 	priv_dev->out_mem_is_allocated = 0;
 	priv_dev->wait_for_setup = 0;
+	priv_dev->using_streams = 0;
 }
 
 /**
@@ -356,17 +406,43 @@ static int cdns3_start_all_request(struct cdns3_device *priv_dev,
 {
 	struct usb_request *request;
 	int ret = 0;
+	u8 pending_empty = list_empty(&priv_ep->pending_req_list);
+
+	/*
+	 * If the last pending transfer is INTERNAL
+	 * OR streams are enabled for this endpoint
+	 * do NOT start new transfer till the last one is pending
+	 */
+	if (!pending_empty) {
+		struct cdns3_request *priv_req;
+
+		request = cdns3_next_request(&priv_ep->pending_req_list);
+		priv_req = to_cdns3_request(request);
+		if ((priv_req->flags & REQUEST_INTERNAL) ||
+		    (priv_ep->flags & EP_TDLCHK_EN) ||
+			priv_ep->use_streams) {
+			trace_printk("Blocking external request\n");
+			return ret;
+		}
+	}
 
 	while (!list_empty(&priv_ep->deferred_req_list)) {
 		request = cdns3_next_request(&priv_ep->deferred_req_list);
 
-		ret = cdns3_ep_run_transfer(priv_ep, request);
+		if (!priv_ep->use_streams) {
+			ret = cdns3_ep_run_transfer(priv_ep, request);
+		} else {
+			priv_ep->stream_sg_idx = 0;
+			ret = cdns3_ep_run_stream_transfer(priv_ep, request);
+		}
 		if (ret)
 			return ret;
 
 		list_del(&request->list);
 		list_add_tail(&request->list,
 			      &priv_ep->pending_req_list);
+		if (request->stream_id != 0 || (priv_ep->flags & EP_TDLCHK_EN))
+			break;
 	}
 
 	priv_ep->flags &= ~EP_RING_FULL;
@@ -379,7 +455,7 @@ static int cdns3_start_all_request(struct cdns3_device *priv_dev,
  * buffer for unblocking on-chip FIFO buffer. This flag will be cleared
  * if before first DESCMISS interrupt the DMA will be armed.
  */
-#define cdns3_wa2_enable_detection(priv_dev, ep_priv, reg) do { \
+#define cdns3_wa2_enable_detection(priv_dev, priv_ep, reg) do { \
 	if (!priv_ep->dir && priv_ep->type != USB_ENDPOINT_XFER_ISOC) { \
 		priv_ep->flags |= EP_QUIRK_EXTRA_BUF_DET; \
 		(reg) |= EP_STS_EN_DESCMISEN; \
@@ -450,10 +526,17 @@ struct usb_request *cdns3_wa2_gadget_giveback(struct cdns3_device *priv_dev,
 		if (!req)
 			return NULL;
 
+		/* unmap the gadget request before copying data */
+		usb_gadget_unmap_request_by_dev(priv_dev->sysdev, req,
+						priv_ep->dir);
+
 		cdns3_wa2_descmiss_copy_data(priv_ep, req);
 		if (!(priv_ep->flags & EP_QUIRK_END_TRANSFER) &&
 		    req->length != req->actual) {
 			/* wait for next part of transfer */
+			/* re-map the gadget request buffer*/
+			usb_gadget_map_request_by_dev(priv_dev->sysdev, req,
+				usb_endpoint_dir_in(priv_ep->endpoint.desc));
 			return NULL;
 		}
 
@@ -570,6 +653,13 @@ static void cdns3_wa2_descmissing_packet(struct cdns3_endpoint *priv_ep)
 {
 	struct cdns3_request *priv_req;
 	struct usb_request *request;
+	u8 pending_empty = list_empty(&priv_ep->pending_req_list);
+
+	/* check for pending transfer */
+	if (!pending_empty) {
+		trace_cdns3_wa2(priv_ep, "Ignoring Descriptor missing IRQ\n");
+		return;
+	}
 
 	if (priv_ep->flags & EP_QUIRK_EXTRA_BUF_DET) {
 		priv_ep->flags &= ~EP_QUIRK_EXTRA_BUF_DET;
@@ -578,8 +668,10 @@ static void cdns3_wa2_descmissing_packet(struct cdns3_endpoint *priv_ep)
 
 	trace_cdns3_wa2(priv_ep, "Description Missing detected\n");
 
-	if (priv_ep->wa2_counter >= CDNS3_WA2_NUM_BUFFERS)
+	if (priv_ep->wa2_counter >= CDNS3_WA2_NUM_BUFFERS) {
+		trace_cdns3_wa2(priv_ep, "WA2 overflow\n");
 		cdns3_wa2_remove_old_request(priv_ep);
+	}
 
 	request = cdns3_gadget_ep_alloc_request(&priv_ep->endpoint,
 						GFP_ATOMIC);
@@ -621,6 +713,78 @@ err:
 		"Failed: No sufficient memory for DESCMIS\n");
 }
 
+static void cdns3_wa2_reset_tdl(struct cdns3_device *priv_dev)
+{
+	u16 tdl = EP_CMD_TDL_GET(readl(&priv_dev->regs->ep_cmd));
+
+	if (tdl) {
+		u16 reset_val = EP_CMD_TDL_MAX + 1 - tdl;
+
+		writel(EP_CMD_TDL_SET(reset_val) | EP_CMD_STDL,
+		       &priv_dev->regs->ep_cmd);
+	}
+}
+
+static void cdns3_wa2_check_outq_status(struct cdns3_device *priv_dev)
+{
+	u32 ep_sts_reg;
+
+	/* select EP0-out */
+	cdns3_select_ep(priv_dev, 0);
+
+	ep_sts_reg = readl(&priv_dev->regs->ep_sts);
+
+	if (EP_STS_OUTQ_VAL(ep_sts_reg)) {
+		u32 outq_ep_num = EP_STS_OUTQ_NO(ep_sts_reg);
+		struct cdns3_endpoint *outq_ep = priv_dev->eps[outq_ep_num];
+
+		if ((outq_ep->flags & EP_ENABLED) && !(outq_ep->use_streams) &&
+		    outq_ep->type != USB_ENDPOINT_XFER_ISOC && outq_ep_num) {
+			u8 pending_empty = list_empty(&outq_ep->pending_req_list);
+
+			if ((outq_ep->flags & EP_QUIRK_EXTRA_BUF_DET) ||
+			    (outq_ep->flags & EP_QUIRK_EXTRA_BUF_EN) ||
+			    !pending_empty) {
+			} else {
+				u32 ep_sts_en_reg;
+				u32 ep_cmd_reg;
+
+				cdns3_select_ep(priv_dev, outq_ep->num |
+						outq_ep->dir);
+				ep_sts_en_reg = readl(&priv_dev->regs->ep_sts_en);
+				ep_cmd_reg = readl(&priv_dev->regs->ep_cmd);
+
+				outq_ep->flags |= EP_TDLCHK_EN;
+				cdns3_set_register_bit(&priv_dev->regs->ep_cfg,
+						       EP_CFG_TDL_CHK);
+
+				cdns3_wa2_enable_detection(priv_dev, outq_ep,
+							   ep_sts_en_reg);
+				writel(ep_sts_en_reg,
+				       &priv_dev->regs->ep_sts_en);
+				/* reset tdl value to zero */
+				cdns3_wa2_reset_tdl(priv_dev);
+				/*
+				 * Memory barrier - Reset tdl before ringing the
+				 * doorbell.
+				 */
+				wmb();
+				if (EP_CMD_DRDY & ep_cmd_reg) {
+					trace_cdns3_wa2(outq_ep, "Enabling WA2 skipping doorbell\n");
+
+				} else {
+					trace_cdns3_wa2(outq_ep, "Enabling WA2 ringing doorbell\n");
+					/*
+					 * ring doorbell to generate DESCMIS irq
+					 */
+					writel(EP_CMD_DRDY,
+					       &priv_dev->regs->ep_cmd);
+				}
+			}
+		}
+	}
+}
+
 /**
  * cdns3_gadget_giveback - call struct usb_request's ->complete callback
  * @priv_ep: The endpoint to whom the request belongs to
@@ -807,14 +971,120 @@ static void cdns3_wa1_tray_restore_cycle_bit(struct cdns3_device *priv_dev,
 		cdns3_wa1_restore_cycle_bit(priv_ep);
 }
 
+static int cdns3_ep_run_stream_transfer(struct cdns3_endpoint *priv_ep,
+					struct usb_request *request)
+{
+	struct cdns3_device *priv_dev = priv_ep->cdns3_dev;
+	struct cdns3_request *priv_req;
+	struct cdns3_trb *trb;
+	dma_addr_t trb_dma;
+	int address;
+	u32 control;
+	u32 length;
+	u32 tdl;
+	unsigned int sg_idx = priv_ep->stream_sg_idx;
+
+	priv_req = to_cdns3_request(request);
+	address = priv_ep->endpoint.desc->bEndpointAddress;
+
+	priv_ep->flags |= EP_PENDING_REQUEST;
+
+	/* must allocate buffer aligned to 8 */
+	if (priv_req->flags & REQUEST_UNALIGNED)
+		trb_dma = priv_req->aligned_buf->dma;
+	else
+		trb_dma = request->dma;
+
+	/*  For stream capable endpoints driver use only single TD. */
+	trb = priv_ep->trb_pool + priv_ep->enqueue;
+	priv_req->start_trb = priv_ep->enqueue;
+	priv_req->end_trb = priv_req->start_trb;
+	priv_req->trb = trb;
+
+	cdns3_select_ep(priv_ep->cdns3_dev, address);
+
+	control = TRB_TYPE(TRB_NORMAL) | TRB_CYCLE |
+		  TRB_STREAM_ID(priv_req->request.stream_id) | TRB_ISP;
+
+	if (!request->num_sgs) {
+		trb->buffer = TRB_BUFFER(trb_dma);
+		length = request->length;
+	} else {
+		trb->buffer = TRB_BUFFER(request->sg[sg_idx].dma_address);
+		length = request->sg[sg_idx].length;
+	}
+
+	tdl = DIV_ROUND_UP(length, priv_ep->endpoint.maxpacket);
+
+	trb->length = TRB_BURST_LEN(16 /*priv_ep->trb_burst_size*/) |
+				  TRB_LEN(length);
+
+	/*
+	 * For DEV_VER_V2 controller version we have enabled
+	 * USB_CONF2_EN_TDL_TRB in DMULT configuration.
+	 * This enables TDL calculation based on TRB, hence setting TDL in TRB.
+	 */
+	if (priv_dev->dev_ver >= DEV_VER_V2) {
+		if (priv_dev->gadget.speed == USB_SPEED_SUPER)
+			trb->length |= TRB_TDL_SS_SIZE(tdl);
+	}
+	priv_req->flags |= REQUEST_PENDING;
+
+	trb->control = control;
+
+	trace_cdns3_prepare_trb(priv_ep, priv_req->trb);
+
+	/*
+	 * Memory barrier - Cycle Bit must be set before trb->length  and
+	 * trb->buffer fields.
+	 */
+	wmb();
+
+	/* always first element */
+	writel(EP_TRADDR_TRADDR(priv_ep->trb_pool_dma),
+	       &priv_dev->regs->ep_traddr);
+
+	if (!(priv_ep->flags & EP_STALLED)) {
+		trace_cdns3_ring(priv_ep);
+		/*clearing TRBERR and EP_STS_DESCMIS before seting DRDY*/
+		writel(EP_STS_TRBERR | EP_STS_DESCMIS, &priv_dev->regs->ep_sts);
+
+		priv_ep->prime_flag = false;
+
+		/*
+		 * Controller version DEV_VER_V2 tdl calculation
+		 * is based on TRB
+		 */
+
+		if (priv_dev->dev_ver < DEV_VER_V2)
+			writel(EP_CMD_TDL_SET(tdl) | EP_CMD_STDL,
+			       &priv_dev->regs->ep_cmd);
+		else if (priv_dev->dev_ver > DEV_VER_V2)
+			writel(tdl, &priv_dev->regs->ep_tdl);
+
+		priv_ep->last_stream_id = priv_req->request.stream_id;
+		writel(EP_CMD_DRDY, &priv_dev->regs->ep_cmd);
+		writel(EP_CMD_ERDY_SID(priv_req->request.stream_id) |
+		       EP_CMD_ERDY, &priv_dev->regs->ep_cmd);
+
+		trace_cdns3_doorbell_epx(priv_ep->name,
+					 readl(&priv_dev->regs->ep_traddr));
+	}
+
+	/* WORKAROUND for transition to L0 */
+	__cdns3_gadget_wakeup(priv_dev);
+
+	return 0;
+}
+
 /**
  * cdns3_ep_run_transfer - start transfer on no-default endpoint hardware
  * @priv_ep: endpoint object
  *
  * Returns zero on success or negative value on failure
  */
-int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep,
-			  struct usb_request *request)
+static int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep,
+				 struct usb_request *request)
 {
 	struct cdns3_device *priv_dev = priv_ep->cdns3_dev;
 	struct cdns3_request *priv_req;
@@ -826,6 +1096,7 @@ int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep,
 	int address;
 	u32 control;
 	int pcs;
+	u16 total_tdl = 0;
 
 	if (priv_ep->type == USB_ENDPOINT_XFER_ISOC)
 		num_trb = priv_ep->interval;
@@ -910,6 +1181,9 @@ int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep,
 		if (likely(priv_dev->dev_ver >= DEV_VER_V2))
 			td_size = DIV_ROUND_UP(length,
 					       priv_ep->endpoint.maxpacket);
+		else if (priv_ep->flags & EP_TDLCHK_EN)
+			total_tdl += DIV_ROUND_UP(length,
+					       priv_ep->endpoint.maxpacket);
 
 		trb->length = TRB_BURST_LEN(priv_ep->trb_burst_size) |
 					TRB_LEN(length);
@@ -954,6 +1228,23 @@ int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep,
 	if (sg_iter == 1)
 		trb->control |= TRB_IOC | TRB_ISP;
 
+	if (priv_dev->dev_ver < DEV_VER_V2 &&
+	    (priv_ep->flags & EP_TDLCHK_EN)) {
+		u16 tdl = total_tdl;
+		u16 old_tdl = EP_CMD_TDL_GET(readl(&priv_dev->regs->ep_cmd));
+
+		if (tdl > EP_CMD_TDL_MAX) {
+			tdl = EP_CMD_TDL_MAX;
+			priv_ep->pending_tdl = total_tdl - EP_CMD_TDL_MAX;
+		}
+
+		if (old_tdl < tdl) {
+			tdl -= old_tdl;
+			writel(EP_CMD_TDL_SET(tdl) | EP_CMD_STDL,
+			       &priv_dev->regs->ep_cmd);
+		}
+	}
+
 	/*
 	 * Memory barrier - cycle bit must be set before other filds in trb.
 	 */
@@ -1153,29 +1444,56 @@ static void cdns3_transfer_completed(struct cdns3_device *priv_dev,
 			cdns3_move_deq_to_next_trb(priv_req);
 		}
 
-		/* Re-select endpoint. It could be changed by other CPU during
-		 * handling usb_gadget_giveback_request.
-		 */
-		cdns3_select_ep(priv_dev, priv_ep->endpoint.address);
+		if (!request->stream_id) {
+			/* Re-select endpoint. It could be changed by other CPU
+			 * during handling usb_gadget_giveback_request.
+			 */
+			cdns3_select_ep(priv_dev, priv_ep->endpoint.address);
 
-		if (!cdns3_request_handled(priv_ep, priv_req))
-			goto prepare_next_td;
+			if (!cdns3_request_handled(priv_ep, priv_req))
+				goto prepare_next_td;
 
-		trb = priv_ep->trb_pool + priv_ep->dequeue;
-		trace_cdns3_complete_trb(priv_ep, trb);
+			trb = priv_ep->trb_pool + priv_ep->dequeue;
+			trace_cdns3_complete_trb(priv_ep, trb);
+
+			if (trb != priv_req->trb)
+				dev_warn(priv_dev->dev,
+					 "request_trb=0x%p, queue_trb=0x%p\n",
+					 priv_req->trb, trb);
+
+			request->actual = TRB_LEN(le32_to_cpu(trb->length));
+			cdns3_move_deq_to_next_trb(priv_req);
+			cdns3_gadget_giveback(priv_ep, priv_req, 0);
+
+			if (priv_ep->type != USB_ENDPOINT_XFER_ISOC &&
+			    TRBS_PER_SEGMENT == 2)
+				break;
+		} else {
+			/* Re-select endpoint. It could be changed by other CPU
+			 * during handling usb_gadget_giveback_request.
+			 */
+			cdns3_select_ep(priv_dev, priv_ep->endpoint.address);
+
+			trb = priv_ep->trb_pool;
+			trace_cdns3_complete_trb(priv_ep, trb);
 
-		if (trb != priv_req->trb)
-			dev_warn(priv_dev->dev,
-				 "request_trb=0x%p, queue_trb=0x%p\n",
-				 priv_req->trb, trb);
+			if (trb != priv_req->trb)
+				dev_warn(priv_dev->dev,
+					 "request_trb=0x%p, queue_trb=0x%p\n",
+					 priv_req->trb, trb);
 
-		request->actual = TRB_LEN(le32_to_cpu(trb->length));
-		cdns3_move_deq_to_next_trb(priv_req);
-		cdns3_gadget_giveback(priv_ep, priv_req, 0);
+			request->actual += TRB_LEN(le32_to_cpu(trb->length));
 
-		if (priv_ep->type != USB_ENDPOINT_XFER_ISOC &&
-		    TRBS_PER_SEGMENT == 2)
+			if (!request->num_sgs ||
+			    (request->num_sgs == (priv_ep->stream_sg_idx + 1))) {
+				priv_ep->stream_sg_idx = 0;
+				cdns3_gadget_giveback(priv_ep, priv_req, 0);
+			} else {
+				priv_ep->stream_sg_idx++;
+				cdns3_ep_run_stream_transfer(priv_ep, request);
+			}
 			break;
+		}
 	}
 	priv_ep->flags &= ~EP_PENDING_REQUEST;
 
@@ -1205,6 +1523,21 @@ void cdns3_rearm_transfer(struct cdns3_endpoint *priv_ep, u8 rearm)
 	}
 }
 
+static void cdns3_reprogram_tdl(struct cdns3_endpoint *priv_ep)
+{
+	u16 tdl = priv_ep->pending_tdl;
+	struct cdns3_device *priv_dev = priv_ep->cdns3_dev;
+
+	if (tdl > EP_CMD_TDL_MAX) {
+		tdl = EP_CMD_TDL_MAX;
+		priv_ep->pending_tdl -= EP_CMD_TDL_MAX;
+	} else {
+		priv_ep->pending_tdl = 0;
+	}
+
+	writel(EP_CMD_TDL_SET(tdl) | EP_CMD_STDL, &priv_dev->regs->ep_cmd);
+}
+
 /**
  * cdns3_check_ep_interrupt_proceed - Processes interrupt related to endpoint
  * @priv_ep: endpoint object
@@ -1215,6 +1548,9 @@ static int cdns3_check_ep_interrupt_proceed(struct cdns3_endpoint *priv_ep)
 {
 	struct cdns3_device *priv_dev = priv_ep->cdns3_dev;
 	u32 ep_sts_reg;
+	struct usb_request *deferred_request;
+	struct usb_request *pending_request;
+	u32 tdl = 0;
 
 	cdns3_select_ep(priv_dev, priv_ep->endpoint.address);
 
@@ -1223,6 +1559,36 @@ static int cdns3_check_ep_interrupt_proceed(struct cdns3_endpoint *priv_ep)
 	ep_sts_reg = readl(&priv_dev->regs->ep_sts);
 	writel(ep_sts_reg, &priv_dev->regs->ep_sts);
 
+	if ((ep_sts_reg & EP_STS_PRIME) && priv_ep->use_streams) {
+		bool dbusy = !!(ep_sts_reg & EP_STS_DBUSY);
+
+		tdl = cdns3_get_tdl(priv_dev);
+
+		/*
+		 * Continue the previous transfer:
+		 * There is some racing between ERDY and PRIME. The device send
+		 * ERDY and almost in the same time Host send PRIME. It cause
+		 * that host ignore the ERDY packet and driver has to send it
+		 * again.
+		 */
+		if (tdl && (dbusy | !EP_STS_BUFFEMPTY(ep_sts_reg) |
+		    EP_STS_HOSTPP(ep_sts_reg))) {
+			writel(EP_CMD_ERDY |
+			       EP_CMD_ERDY_SID(priv_ep->last_stream_id),
+			       &priv_dev->regs->ep_cmd);
+			ep_sts_reg &= ~(EP_STS_MD_EXIT | EP_STS_IOC);
+		} else {
+			priv_ep->prime_flag = true;
+
+			pending_request = cdns3_next_request(&priv_ep->pending_req_list);
+			deferred_request = cdns3_next_request(&priv_ep->deferred_req_list);
+
+			if (deferred_request && !pending_request) {
+				cdns3_start_all_request(priv_dev, priv_ep);
+			}
+		}
+	}
+
 	if (ep_sts_reg & EP_STS_TRBERR) {
 		if (priv_ep->flags & EP_STALL_PENDING &&
 		    !(ep_sts_reg & EP_STS_DESCMIS &&
@@ -1259,7 +1625,8 @@ static int cdns3_check_ep_interrupt_proceed(struct cdns3_endpoint *priv_ep)
 		}
 	}
 
-	if ((ep_sts_reg & EP_STS_IOC) || (ep_sts_reg & EP_STS_ISP)) {
+	if ((ep_sts_reg & EP_STS_IOC) || (ep_sts_reg & EP_STS_ISP) ||
+	    (ep_sts_reg & EP_STS_IOT)) {
 		if (priv_ep->flags & EP_QUIRK_EXTRA_BUF_EN) {
 			if (ep_sts_reg & EP_STS_ISP)
 				priv_ep->flags |= EP_QUIRK_END_TRANSFER;
@@ -1267,6 +1634,29 @@ static int cdns3_check_ep_interrupt_proceed(struct cdns3_endpoint *priv_ep)
 				priv_ep->flags &= ~EP_QUIRK_END_TRANSFER;
 		}
 
+		if (!priv_ep->use_streams) {
+			if ((ep_sts_reg & EP_STS_IOC) ||
+			    (ep_sts_reg & EP_STS_ISP)) {
+				cdns3_transfer_completed(priv_dev, priv_ep);
+			} else if ((priv_ep->flags & EP_TDLCHK_EN) &
+				   priv_ep->pending_tdl) {
+				/* handle IOT with pending tdl */
+				cdns3_reprogram_tdl(priv_ep);
+			}
+		} else if (priv_ep->dir == USB_DIR_OUT) {
+			priv_ep->ep_sts_pending |= ep_sts_reg;
+		} else if (ep_sts_reg & EP_STS_IOT) {
+			cdns3_transfer_completed(priv_dev, priv_ep);
+		}
+	}
+
+	/*
+	 * MD_EXIT interrupt sets when stream capable endpoint exits
+	 * from MOVE DATA state of Bulk IN/OUT stream protocol state machine
+	 */
+	if (priv_ep->dir == USB_DIR_OUT && (ep_sts_reg & EP_STS_MD_EXIT) &&
+	    (priv_ep->ep_sts_pending & EP_STS_IOT) && priv_ep->use_streams) {
+		priv_ep->ep_sts_pending = 0;
 		cdns3_transfer_completed(priv_dev, priv_ep);
 	}
 
@@ -1274,7 +1664,7 @@ static int cdns3_check_ep_interrupt_proceed(struct cdns3_endpoint *priv_ep)
 	 * WA2: this condition should only be meet when
 	 * priv_ep->flags & EP_QUIRK_EXTRA_BUF_DET or
 	 * priv_ep->flags & EP_QUIRK_EXTRA_BUF_EN.
-	 * In other cases this interrupt will be disabled/
+	 * In other cases this interrupt will be disabled.
 	 */
 	if (ep_sts_reg & EP_STS_DESCMIS && priv_dev->dev_ver < DEV_VER_V2 &&
 	    !(priv_ep->flags & EP_STALLED))
@@ -1457,6 +1847,9 @@ static irqreturn_t cdns3_device_thread_irq_handler(int irq, void *data)
 		ret = IRQ_HANDLED;
 	}
 
+	if (priv_dev->dev_ver < DEV_VER_V2 && priv_dev->using_streams)
+		cdns3_wa2_check_outq_status(priv_dev);
+
 irqend:
 	writel(~0, &priv_dev->regs->ep_ien);
 	spin_unlock_irqrestore(&priv_dev->lock, flags);
@@ -1511,6 +1904,27 @@ static int cdns3_ep_onchip_buffer_reserve(struct cdns3_device *priv_dev,
 	return 0;
 }
 
+void cdns3_stream_ep_reconfig(struct cdns3_device *priv_dev,
+			      struct cdns3_endpoint *priv_ep)
+{
+	if (!priv_ep->use_streams || priv_dev->gadget.speed < USB_SPEED_SUPER)
+		return;
+
+	if (priv_dev->dev_ver >= DEV_VER_V3) {
+		u32 mask = BIT(priv_ep->num + (priv_ep->dir ? 16 : 0));
+
+		/*
+		 * Stream capable endpoints are handled by using ep_tdl
+		 * register. Other endpoints use TDL from TRB feature.
+		 */
+		cdns3_clear_register_bit(&priv_dev->regs->tdl_from_trb, mask);
+	}
+
+	/*  Enable Stream Bit TDL chk and SID chk */
+	cdns3_set_register_bit(&priv_dev->regs->ep_cfg, EP_CFG_STREAM_EN |
+			       EP_CFG_TDL_CHK | EP_CFG_SID_CHK);
+}
+
 void cdns3_configure_dmult(struct cdns3_device *priv_dev,
 			   struct cdns3_endpoint *priv_ep)
 {
@@ -1772,6 +2186,7 @@ static int cdns3_gadget_ep_enable(struct usb_ep *ep,
 {
 	struct cdns3_endpoint *priv_ep;
 	struct cdns3_device *priv_dev;
+	const struct usb_ss_ep_comp_descriptor *comp_desc;
 	u32 reg = EP_STS_EN_TRBERREN;
 	u32 bEndpointAddress;
 	unsigned long flags;
@@ -1781,6 +2196,7 @@ static int cdns3_gadget_ep_enable(struct usb_ep *ep,
 
 	priv_ep = ep_to_cdns3_ep(ep);
 	priv_dev = priv_ep->cdns3_dev;
+	comp_desc = priv_ep->endpoint.comp_desc;
 
 	if (!ep || !desc || desc->bDescriptorType != USB_DT_ENDPOINT) {
 		dev_dbg(priv_dev->dev, "usbss: invalid parameters\n");
@@ -1811,6 +2227,24 @@ static int cdns3_gadget_ep_enable(struct usb_ep *ep,
 		goto exit;
 	}
 
+	bEndpointAddress = priv_ep->num | priv_ep->dir;
+	cdns3_select_ep(priv_dev, bEndpointAddress);
+
+	if (usb_ss_max_streams(comp_desc) && usb_endpoint_xfer_bulk(desc)) {
+		/*
+		 * Enable stream support (SS mode) related interrupts
+		 * in EP_STS_EN Register
+		 */
+		if (priv_dev->gadget.speed >= USB_SPEED_SUPER) {
+			reg |= EP_STS_EN_IOTEN | EP_STS_EN_PRIMEEEN |
+				EP_STS_EN_SIDERREN | EP_STS_EN_MD_EXITEN |
+				EP_STS_EN_STREAMREN;
+			priv_ep->use_streams = true;
+			cdns3_stream_ep_reconfig(priv_dev, priv_ep);
+			priv_dev->using_streams |= true;
+		}
+	}
+
 	ret = cdns3_allocate_trb_pool(priv_ep);
 
 	if (ret)
@@ -1957,6 +2391,7 @@ static int cdns3_gadget_ep_disable(struct usb_ep *ep)
 
 	ep->desc = NULL;
 	priv_ep->flags &= ~EP_ENABLED;
+	priv_ep->use_streams = false;
 
 	spin_unlock_irqrestore(&priv_dev->lock, flags);
 
@@ -2005,13 +2440,21 @@ static int __cdns3_gadget_ep_queue(struct usb_ep *ep,
 	list_add_tail(&request->list, &priv_ep->deferred_req_list);
 
 	/*
+	 * For stream capable endpoint if prime irq flag is set then only start
+	 * request.
 	 * If hardware endpoint configuration has not been set yet then
 	 * just queue request in deferred list. Transfer will be started in
 	 * cdns3_set_hw_configuration.
 	 */
-	if (priv_dev->hw_configured_flag && !(priv_ep->flags & EP_STALLED) &&
-	    !(priv_ep->flags & EP_STALL_PENDING))
-		cdns3_start_all_request(priv_dev, priv_ep);
+	if (!request->stream_id) {
+		if (priv_dev->hw_configured_flag &&
+		    !(priv_ep->flags & EP_STALLED) &&
+		    !(priv_ep->flags & EP_STALL_PENDING))
+			cdns3_start_all_request(priv_dev, priv_ep);
+	} else {
+		if (priv_dev->hw_configured_flag && priv_ep->prime_flag)
+			cdns3_start_all_request(priv_dev, priv_ep);
+	}
 
 	return 0;
 }
diff --git a/drivers/usb/cdns3/gadget.h b/drivers/usb/cdns3/gadget.h
index bc4024041ef2..f003a7801872 100644
--- a/drivers/usb/cdns3/gadget.h
+++ b/drivers/usb/cdns3/gadget.h
@@ -599,6 +599,7 @@ struct cdns3_usb_regs {
 #define EP_CMD_TDL_MASK		GENMASK(15, 9)
 #define EP_CMD_TDL_SET(p)	(((p) << 9) & EP_CMD_TDL_MASK)
 #define EP_CMD_TDL_GET(p)	(((p) & EP_CMD_TDL_MASK) >> 9)
+#define EP_CMD_TDL_MAX		(EP_CMD_TDL_MASK >> 9)
 
 /* ERDY Stream ID value (used in SS mode). */
 #define EP_CMD_ERDY_SID_MASK	GENMASK(31, 16)
@@ -969,10 +970,18 @@ struct cdns3_usb_regs {
 
 #define ISO_MAX_INTERVAL	10
 
+#define MAX_TRB_LENGTH          BIT(16)
+
 #if TRBS_PER_SEGMENT < 2
 #error "Incorrect TRBS_PER_SEGMENT. Minimal Transfer Ring size is 2."
 #endif
 
+#define TRBS_PER_STREAM_SEGMENT 2
+
+#if TRBS_PER_STREAM_SEGMENT < 2
+#error "Incorrect TRBS_PER_STREAMS_SEGMENT. Minimal Transfer Ring size is 2."
+#endif
+
 /*
  *Only for ISOC endpoints - maximum number of TRBs is calculated as
  * pow(2, bInterval-1) * number of usb requests. It is limitation made by
@@ -1000,6 +1009,7 @@ struct cdns3_trb {
 
 #define TRB_SIZE		(sizeof(struct cdns3_trb))
 #define TRB_RING_SIZE		(TRB_SIZE * TRBS_PER_SEGMENT)
+#define TRB_STREAM_RING_SIZE	(TRB_SIZE * TRBS_PER_STREAM_SEGMENT)
 #define TRB_ISO_RING_SIZE	(TRB_SIZE * TRBS_PER_ISOC_SEGMENT)
 #define TRB_CTRL_RING_SIZE	(TRB_SIZE * 2)
 
@@ -1078,7 +1088,7 @@ struct cdns3_trb {
 #define CDNS3_ENDPOINTS_MAX_COUNT	32
 #define CDNS3_EP_ZLP_BUF_SIZE		1024
 
-#define CDNS3_EP_BUF_SIZE		2	/* KB */
+#define CDNS3_EP_BUF_SIZE		4	/* KB */
 #define CDNS3_EP_ISO_HS_MULT		3
 #define CDNS3_EP_ISO_SS_BURST		3
 #define CDNS3_MAX_NUM_DESCMISS_BUF	32
@@ -1109,6 +1119,7 @@ struct cdns3_device;
  * @interval: interval between packets used for ISOC endpoint.
  * @free_trbs: number of free TRBs in transfer ring
  * @num_trbs: number of all TRBs in transfer ring
+ * @alloc_ring_size: size of the allocated TRB ring
  * @pcs: producer cycle state
  * @ccs: consumer cycle state
  * @enqueue: enqueue index in transfer ring
@@ -1142,6 +1153,7 @@ struct cdns3_endpoint {
 #define EP_QUIRK_END_TRANSFER	BIT(11)
 #define EP_QUIRK_EXTRA_BUF_DET	BIT(12)
 #define EP_QUIRK_EXTRA_BUF_EN	BIT(13)
+#define EP_TDLCHK_EN		BIT(15)
 	u32			flags;
 
 	struct cdns3_request	*descmis_req;
@@ -1153,6 +1165,7 @@ struct cdns3_endpoint {
 
 	int			free_trbs;
 	int			num_trbs;
+	int			alloc_ring_size;
 	u8			pcs;
 	u8			ccs;
 	int			enqueue;
@@ -1163,6 +1176,14 @@ struct cdns3_endpoint {
 	struct cdns3_trb	*wa1_trb;
 	unsigned int		wa1_trb_index;
 	unsigned int		wa1_cycle_bit:1;
+
+	/* Stream related */
+	unsigned int		use_streams:1;
+	unsigned int		prime_flag:1;
+	u32			ep_sts_pending;
+	u16			last_stream_id;
+	u16			pending_tdl;
+	unsigned int		stream_sg_idx;
 };
 
 /**
@@ -1290,6 +1311,7 @@ struct cdns3_device {
 	int				hw_configured_flag:1;
 	int				wake_up_flag:1;
 	unsigned			status_completion_no_call:1;
+	unsigned			using_streams:1;
 	int				out_mem_is_allocated;
 
 	struct work_struct		pending_status_wq;
@@ -1310,8 +1332,6 @@ void cdns3_set_hw_configuration(struct cdns3_device *priv_dev);
 void cdns3_select_ep(struct cdns3_device *priv_dev, u32 ep);
 void cdns3_allow_enable_l1(struct cdns3_device *priv_dev, int enable);
 struct usb_request *cdns3_next_request(struct list_head *list);
-int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep,
-			  struct usb_request *request);
 void cdns3_rearm_transfer(struct cdns3_endpoint *priv_ep, u8 rearm);
 int cdns3_allocate_trb_pool(struct cdns3_endpoint *priv_ep);
 u8 cdns3_ep_addr_to_index(u8 ep_addr);
diff --git a/drivers/usb/cdns3/trace.h b/drivers/usb/cdns3/trace.h
index e92348c9b4d7..8d121e207fd8 100644
--- a/drivers/usb/cdns3/trace.h
+++ b/drivers/usb/cdns3/trace.h
@@ -122,18 +122,24 @@ DECLARE_EVENT_CLASS(cdns3_log_epx_irq,
 		__string(ep_name, priv_ep->name)
 		__field(u32, ep_sts)
 		__field(u32, ep_traddr)
+		__field(u32, ep_last_sid)
+		__field(u32, use_streams)
 		__dynamic_array(char, str, CDNS3_MSG_MAX)
 	),
 	TP_fast_assign(
 		__assign_str(ep_name, priv_ep->name);
 		__entry->ep_sts = readl(&priv_dev->regs->ep_sts);
 		__entry->ep_traddr = readl(&priv_dev->regs->ep_traddr);
+		__entry->ep_last_sid = priv_ep->last_stream_id;
+		__entry->use_streams = priv_ep->use_streams;
 	),
-	TP_printk("%s, ep_traddr: %08x",
+	TP_printk("%s, ep_traddr: %08x ep_last_sid: %08x use_streams: %d",
 		  cdns3_decode_epx_irq(__get_str(str),
 				       __get_str(ep_name),
 				       __entry->ep_sts),
-		  __entry->ep_traddr)
+		  __entry->ep_traddr,
+		  __entry->ep_last_sid,
+		  __entry->use_streams)
 );
 
 DEFINE_EVENT(cdns3_log_epx_irq, cdns3_epx_irq,
@@ -210,6 +216,7 @@ DECLARE_EVENT_CLASS(cdns3_log_request,
 		__field(int, end_trb)
 		__field(struct cdns3_trb *, start_trb_addr)
 		__field(int, flags)
+		__field(unsigned int, stream_id)
 	),
 	TP_fast_assign(
 		__assign_str(name, req->priv_ep->name);
@@ -225,9 +232,10 @@ DECLARE_EVENT_CLASS(cdns3_log_request,
 		__entry->end_trb = req->end_trb;
 		__entry->start_trb_addr = req->trb;
 		__entry->flags = req->flags;
+		__entry->stream_id = req->request.stream_id;
 	),
 	TP_printk("%s: req: %p, req buff %p, length: %u/%u %s%s%s, status: %d,"
-		  " trb: [start:%d, end:%d: virt addr %pa], flags:%x ",
+		  " trb: [start:%d, end:%d: virt addr %pa], flags:%x SID: %u",
 		__get_str(name), __entry->req, __entry->buf, __entry->actual,
 		__entry->length,
 		__entry->zero ? "Z" : "z",
@@ -237,7 +245,8 @@ DECLARE_EVENT_CLASS(cdns3_log_request,
 		__entry->start_trb,
 		__entry->end_trb,
 		__entry->start_trb_addr,
-		__entry->flags
+		__entry->flags,
+		__entry->stream_id
 	)
 );
 
@@ -281,6 +290,39 @@ TRACE_EVENT(cdns3_ep0_queue,
 		  __entry->length)
 );
 
+DECLARE_EVENT_CLASS(cdns3_stream_split_transfer_len,
+	TP_PROTO(struct cdns3_request *req),
+	TP_ARGS(req),
+	TP_STRUCT__entry(
+		__string(name, req->priv_ep->name)
+		__field(struct cdns3_request *, req)
+		__field(unsigned int, length)
+		__field(unsigned int, actual)
+		__field(unsigned int, stream_id)
+	),
+	TP_fast_assign(
+		__assign_str(name, req->priv_ep->name);
+		__entry->req = req;
+		__entry->actual = req->request.length;
+		__entry->length = req->request.actual;
+		__entry->stream_id = req->request.stream_id;
+	),
+	TP_printk("%s: req: %p,request length: %u actual length: %u  SID: %u",
+		  __get_str(name), __entry->req, __entry->length,
+		  __entry->actual, __entry->stream_id)
+);
+
+DEFINE_EVENT(cdns3_stream_split_transfer_len, cdns3_stream_transfer_split,
+	     TP_PROTO(struct cdns3_request *req),
+	     TP_ARGS(req)
+);
+
+DEFINE_EVENT(cdns3_stream_split_transfer_len,
+	     cdns3_stream_transfer_split_next_part,
+	     TP_PROTO(struct cdns3_request *req),
+	     TP_ARGS(req)
+);
+
 DECLARE_EVENT_CLASS(cdns3_log_aligned_request,
 	TP_PROTO(struct cdns3_request *priv_req),
 	TP_ARGS(priv_req),
@@ -319,6 +361,34 @@ DEFINE_EVENT(cdns3_log_aligned_request, cdns3_prepare_aligned_request,
 	TP_ARGS(req)
 );
 
+DECLARE_EVENT_CLASS(cdns3_log_map_request,
+	TP_PROTO(struct cdns3_request *priv_req),
+	TP_ARGS(priv_req),
+	TP_STRUCT__entry(
+		__string(name, priv_req->priv_ep->name)
+		__field(struct usb_request *, req)
+		__field(void *, buf)
+		__field(dma_addr_t, dma)
+	),
+	TP_fast_assign(
+		__assign_str(name, priv_req->priv_ep->name);
+		__entry->req = &priv_req->request;
+		__entry->buf = priv_req->request.buf;
+		__entry->dma = priv_req->request.dma;
+	),
+	TP_printk("%s: req: %p, req buf %p, dma %p",
+		  __get_str(name), __entry->req, __entry->buf, &__entry->dma
+	)
+);
+DEFINE_EVENT(cdns3_log_map_request, cdns3_map_request,
+	     TP_PROTO(struct cdns3_request *req),
+	     TP_ARGS(req)
+);
+DEFINE_EVENT(cdns3_log_map_request, cdns3_mapped_request,
+	     TP_PROTO(struct cdns3_request *req),
+	     TP_ARGS(req)
+);
+
 DECLARE_EVENT_CLASS(cdns3_log_trb,
 	TP_PROTO(struct cdns3_endpoint *priv_ep, struct cdns3_trb *trb),
 	TP_ARGS(priv_ep, trb),
@@ -329,6 +399,7 @@ DECLARE_EVENT_CLASS(cdns3_log_trb,
 		__field(u32, length)
 		__field(u32, control)
 		__field(u32, type)
+		__field(unsigned int, last_stream_id)
 	),
 	TP_fast_assign(
 		__assign_str(name, priv_ep->name);
@@ -337,8 +408,9 @@ DECLARE_EVENT_CLASS(cdns3_log_trb,
 		__entry->length = trb->length;
 		__entry->control = trb->control;
 		__entry->type = usb_endpoint_type(priv_ep->endpoint.desc);
+		__entry->last_stream_id = priv_ep->last_stream_id;
 	),
-	TP_printk("%s: trb %p, dma buf: 0x%08x, size: %ld, burst: %d ctrl: 0x%08x (%s%s%s%s%s%s%s)",
+	TP_printk("%s: trb %p, dma buf: 0x%08x, size: %ld, burst: %d ctrl: 0x%08x (%s%s%s%s%s%s%s) SID:%lu LAST_SID:%u",
 		__get_str(name), __entry->trb, __entry->buffer,
 		TRB_LEN(__entry->length),
 		(u8)TRB_BURST_LEN_GET(__entry->length),
@@ -349,7 +421,9 @@ DECLARE_EVENT_CLASS(cdns3_log_trb,
 		__entry->control & TRB_FIFO_MODE ? "FIFO, " : "",
 		__entry->control & TRB_CHAIN ? "CHAIN, " : "",
 		__entry->control & TRB_IOC ? "IOC, " : "",
-		TRB_FIELD_TO_TYPE(__entry->control) == TRB_NORMAL ? "Normal" : "LINK"
+		TRB_FIELD_TO_TYPE(__entry->control) == TRB_NORMAL ? "Normal" : "LINK",
+		TRB_FIELD_TO_STREAMID(__entry->control),
+		__entry->last_stream_id
 	)
 );
 
@@ -398,6 +472,7 @@ DECLARE_EVENT_CLASS(cdns3_log_ep,
 		__field(unsigned int, maxpacket)
 		__field(unsigned int, maxpacket_limit)
 		__field(unsigned int, max_streams)
+		__field(unsigned int, use_streams)
 		__field(unsigned int, maxburst)
 		__field(unsigned int, flags)
 		__field(unsigned int, dir)
@@ -409,16 +484,18 @@ DECLARE_EVENT_CLASS(cdns3_log_ep,
 		__entry->maxpacket = priv_ep->endpoint.maxpacket;
 		__entry->maxpacket_limit = priv_ep->endpoint.maxpacket_limit;
 		__entry->max_streams = priv_ep->endpoint.max_streams;
+		__entry->use_streams = priv_ep->use_streams;
 		__entry->maxburst = priv_ep->endpoint.maxburst;
 		__entry->flags = priv_ep->flags;
 		__entry->dir = priv_ep->dir;
 		__entry->enqueue = priv_ep->enqueue;
 		__entry->dequeue = priv_ep->dequeue;
 	),
-	TP_printk("%s: mps: %d/%d. streams: %d, burst: %d, enq idx: %d, "
-		  "deq idx: %d, flags %s%s%s%s%s%s%s%s, dir: %s",
+	TP_printk("%s: mps: %d/%d. streams: %d, stream enable: %d, burst: %d, "
+		  "enq idx: %d, deq idx: %d, flags %s%s%s%s%s%s%s%s, dir: %s",
 		__get_str(name), __entry->maxpacket,
 		__entry->maxpacket_limit, __entry->max_streams,
+		__entry->use_streams,
 		__entry->maxburst, __entry->enqueue,
 		__entry->dequeue,
 		__entry->flags & EP_ENABLED ? "EN | " : "",