[09/67] usb: dwc3: ep0: trace ep0 TRBs too

Message ID 1413566234-13537-10-git-send-email-balbi@ti.com
State Accepted
Commit ccb072de5702a50270172e8613db186d136fce16
Headers show

Commit Message

Felipe Balbi Oct. 17, 2014, 5:16 p.m.
Add TRB tracepoints for ep0 TRBs as that
might help finding bugs with ep0 handling.

Signed-off-by: Felipe Balbi <balbi@ti.com>
---
 drivers/usb/dwc3/ep0.c | 6 ++++++
 1 file changed, 6 insertions(+)

Patch

diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index ee216c6..4182210 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -86,6 +86,8 @@  static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum, dma_addr_t buf_dma,
 	params.param0 = upper_32_bits(dwc->ep0_trb_addr);
 	params.param1 = lower_32_bits(dwc->ep0_trb_addr);
 
+	trace_dwc3_prepare_trb(dep, trb);
+
 	ret = dwc3_send_gadget_ep_cmd(dwc, dep->number,
 			DWC3_DEPCMD_STARTTRANSFER, &params);
 	if (ret < 0) {
@@ -791,6 +793,8 @@  static void dwc3_ep0_complete_data(struct dwc3 *dwc,
 
 	trb = dwc->ep0_trb;
 
+	trace_dwc3_complete_trb(ep0, trb);
+
 	status = DWC3_TRB_SIZE_TRBSTS(trb->size);
 	if (status == DWC3_TRBSTS_SETUP_PENDING) {
 		dwc3_trace(trace_dwc3_ep0, "Setup Pending received");
@@ -854,6 +858,8 @@  static void dwc3_ep0_complete_status(struct dwc3 *dwc,
 	dep = dwc->eps[0];
 	trb = dwc->ep0_trb;
 
+	trace_dwc3_complete_trb(dep, trb);
+
 	if (!list_empty(&dep->request_list)) {
 		r = next_request(&dep->request_list);