usb: dwc3: ep0: trace ep0 TRBs too

Add TRB tracepoints for ep0 TRBs as that
might help finding bugs with ep0 handling.

Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index df964d8..4c86772 100644 (file)
--- 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");
@@ -855,6 +859,8 @@ 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);