usb: dwc3: remove reliance on dev_vdbg()

By moving all dev_vdbg() to tracepoints, we
can finally get rid of dev_vdbg() usage from
dwc3.

Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index c6eec26..7cce00e 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -139,7 +139,8 @@
 		udelay(5);
 	}
 
-	dev_vdbg(dwc->dev, "link state change request timed out\n");
+	dwc3_trace(trace_dwc3_gadget,
+			"link state change request timed out");
 
 	return -ETIMEDOUT;
 }
@@ -219,7 +220,7 @@
 
 		fifo_size |= (last_fifo_depth << 16);
 
-		dev_vdbg(dwc->dev, "%s: Fifo Addr %04x Size %d\n",
+		dwc3_trace(trace_dwc3_gadget, "%s: Fifo Addr %04x Size %d",
 				dep->name, last_fifo_depth, fifo_size & 0xffff);
 
 		dwc3_writel(dwc->regs, DWC3_GTXFIFOSIZ(num), fifo_size);
@@ -287,7 +288,8 @@
 	do {
 		reg = dwc3_readl(dwc->regs, DWC3_DGCMD);
 		if (!(reg & DWC3_DGCMD_CMDACT)) {
-			dev_vdbg(dwc->dev, "Command Complete --> %d\n",
+			dwc3_trace(trace_dwc3_gadget,
+					"Command Complete --> %d",
 					DWC3_DGCMD_STATUS(reg));
 			return 0;
 		}
@@ -297,8 +299,11 @@
 		 * interrupt context.
 		 */
 		timeout--;
-		if (!timeout)
+		if (!timeout) {
+			dwc3_trace(trace_dwc3_gadget,
+					"Command Timed Out");
 			return -ETIMEDOUT;
+		}
 		udelay(1);
 	} while (1);
 }
@@ -320,7 +325,8 @@
 	do {
 		reg = dwc3_readl(dwc->regs, DWC3_DEPCMD(ep));
 		if (!(reg & DWC3_DEPCMD_CMDACT)) {
-			dev_vdbg(dwc->dev, "Command Complete --> %d\n",
+			dwc3_trace(trace_dwc3_gadget,
+					"Command Complete --> %d",
 					DWC3_DEPCMD_STATUS(reg));
 			return 0;
 		}
@@ -330,8 +336,11 @@
 		 * interrupt context.
 		 */
 		timeout--;
-		if (!timeout)
+		if (!timeout) {
+			dwc3_trace(trace_dwc3_gadget,
+					"Command Timed Out");
 			return -ETIMEDOUT;
+		}
 
 		udelay(1);
 	} while (1);
@@ -489,7 +498,7 @@
 	u32			reg;
 	int			ret;
 
-	dev_vdbg(dwc->dev, "Enabling %s\n", dep->name);
+	dwc3_trace(trace_dwc3_gadget, "Enabling %s", dep->name);
 
 	if (!(dep->flags & DWC3_EP_ENABLED)) {
 		ret = dwc3_gadget_start_config(dwc, dep);
@@ -726,10 +735,9 @@
 		struct dwc3_request *req, dma_addr_t dma,
 		unsigned length, unsigned last, unsigned chain, unsigned node)
 {
-	struct dwc3		*dwc = dep->dwc;
 	struct dwc3_trb		*trb;
 
-	dev_vdbg(dwc->dev, "%s: req %p dma %08llx length %d%s%s\n",
+	dwc3_trace(trace_dwc3_gadget, "%s: req %p dma %08llx length %d%s%s",
 			dep->name, req, (unsigned long long) dma,
 			length, last ? " last" : "",
 			chain ? " chain" : "");
@@ -931,7 +939,7 @@
 	u32				cmd;
 
 	if (start_new && (dep->flags & DWC3_EP_BUSY)) {
-		dev_vdbg(dwc->dev, "%s: endpoint busy\n", dep->name);
+		dwc3_trace(trace_dwc3_gadget, "%s: endpoint busy", dep->name);
 		return -EBUSY;
 	}
 	dep->flags &= ~DWC3_EP_PENDING_REQUEST;
@@ -1002,8 +1010,9 @@
 	u32 uf;
 
 	if (list_empty(&dep->request_list)) {
-		dev_vdbg(dwc->dev, "ISOC ep %s run out for requests.\n",
-			dep->name);
+		dwc3_trace(trace_dwc3_gadget,
+				"ISOC ep %s run out for requests",
+				dep->name);
 		dep->flags |= DWC3_EP_PENDING_REQUEST;
 		return;
 	}
@@ -1144,8 +1153,6 @@
 		goto out;
 	}
 
-	dev_vdbg(dwc->dev, "queing request %p to %s length %d\n",
-			request, ep->name, request->length);
 	trace_dwc3_ep_queue(req);
 
 	ret = __dwc3_gadget_ep_queue(dep, req);
@@ -1460,7 +1467,7 @@
 		udelay(1);
 	} while (1);
 
-	dev_vdbg(dwc->dev, "gadget %s data soft-%s\n",
+	dwc3_trace(trace_dwc3_gadget, "gadget %s data soft-%s",
 			dwc->gadget_driver
 			? dwc->gadget_driver->function : "no-function",
 			is_on ? "connect" : "disconnect");
@@ -1680,7 +1687,7 @@
 
 		dep->endpoint.name = dep->name;
 
-		dev_vdbg(dwc->dev, "initializing %s\n", dep->name);
+		dwc3_trace(trace_dwc3_gadget, "initializing %s", dep->name);
 
 		if (epnum == 0 || epnum == 1) {
 			usb_ep_set_maxpacket_limit(&dep->endpoint, 512);
@@ -1717,13 +1724,15 @@
 
 	ret = dwc3_gadget_init_hw_endpoints(dwc, dwc->num_out_eps, 0);
 	if (ret < 0) {
-		dev_vdbg(dwc->dev, "failed to allocate OUT endpoints\n");
+		dwc3_trace(trace_dwc3_gadget,
+				"failed to allocate OUT endpoints");
 		return ret;
 	}
 
 	ret = dwc3_gadget_init_hw_endpoints(dwc, dwc->num_in_eps, 1);
 	if (ret < 0) {
-		dev_vdbg(dwc->dev, "failed to allocate IN endpoints\n");
+		dwc3_trace(trace_dwc3_gadget,
+				"failed to allocate IN endpoints");
 		return ret;
 	}
 
@@ -1969,7 +1978,7 @@
 		} else {
 			int ret;
 
-			dev_vdbg(dwc->dev, "%s: reason %s\n",
+			dwc3_trace(trace_dwc3_gadget, "%s: reason %s",
 					dep->name, event->status &
 					DEPEVT_STATUS_TRANSFER_ACTIVE
 					? "Transfer Active"
@@ -1993,7 +2002,8 @@
 
 		switch (event->status) {
 		case DEPEVT_STREAMEVT_FOUND:
-			dev_vdbg(dwc->dev, "Stream %d found and started\n",
+			dwc3_trace(trace_dwc3_gadget,
+					"Stream %d found and started",
 					event->parameters);
 
 			break;
@@ -2007,7 +2017,7 @@
 		dev_dbg(dwc->dev, "%s FIFO Overrun\n", dep->name);
 		break;
 	case DWC3_DEPEVT_EPCMDCMPLT:
-		dev_vdbg(dwc->dev, "Endpoint Command Complete\n");
+		dwc3_trace(trace_dwc3_gadget, "Endpoint Command Complete");
 		break;
 	}
 }
@@ -2381,7 +2391,8 @@
 			(pwropt != DWC3_GHWPARAMS1_EN_PWROPT_HIB)) {
 		if ((dwc->link_state == DWC3_LINK_STATE_U3) &&
 				(next == DWC3_LINK_STATE_RESUME)) {
-			dev_vdbg(dwc->dev, "ignoring transition U3 -> Resume\n");
+			dwc3_trace(trace_dwc3_gadget,
+					"ignoring transition U3 -> Resume");
 			return;
 		}
 	}
@@ -2503,19 +2514,19 @@
 		dwc3_gadget_linksts_change_interrupt(dwc, event->event_info);
 		break;
 	case DWC3_DEVICE_EVENT_EOPF:
-		dev_vdbg(dwc->dev, "End of Periodic Frame\n");
+		dwc3_trace(trace_dwc3_gadget, "End of Periodic Frame");
 		break;
 	case DWC3_DEVICE_EVENT_SOF:
-		dev_vdbg(dwc->dev, "Start of Periodic Frame\n");
+		dwc3_trace(trace_dwc3_gadget, "Start of Periodic Frame");
 		break;
 	case DWC3_DEVICE_EVENT_ERRATIC_ERROR:
-		dev_vdbg(dwc->dev, "Erratic Error\n");
+		dwc3_trace(trace_dwc3_gadget, "Erratic Error");
 		break;
 	case DWC3_DEVICE_EVENT_CMD_CMPL:
-		dev_vdbg(dwc->dev, "Command Complete\n");
+		dwc3_trace(trace_dwc3_gadget, "Command Complete");
 		break;
 	case DWC3_DEVICE_EVENT_OVERFLOW:
-		dev_vdbg(dwc->dev, "Overflow\n");
+		dwc3_trace(trace_dwc3_gadget, "Overflow");
 		break;
 	default:
 		dev_WARN(dwc->dev, "UNKNOWN IRQ %d\n", event->type);