@@ -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, ¶ms);
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);
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(+)