usb: dwc3: trace: print out event status too
This will make it easier to figure out the reason for the event. That information really helps debugging certain problems. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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@ -475,21 +475,33 @@ dwc3_ep_event_string(char *str, const struct dwc3_event_depevt *event,
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if (ret < 0)
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return "UNKNOWN";
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status = event->status;
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switch (event->endpoint_event) {
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case DWC3_DEPEVT_XFERCOMPLETE:
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strcat(str, "Transfer Complete");
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len = strlen(str);
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sprintf(str + len, "Transfer Complete (%c%c%c)",
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status & DEPEVT_STATUS_SHORT ? 'S' : 's',
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status & DEPEVT_STATUS_IOC ? 'I' : 'i',
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status & DEPEVT_STATUS_LST ? 'L' : 'l');
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len = strlen(str);
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if (epnum <= 1)
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sprintf(str + len, " [%s]", dwc3_ep0_state_string(ep0state));
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break;
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case DWC3_DEPEVT_XFERINPROGRESS:
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strcat(str, "Transfer In-Progress");
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len = strlen(str);
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sprintf(str + len, "Transfer In Progress (%c%c%c)",
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status & DEPEVT_STATUS_SHORT ? 'S' : 's',
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status & DEPEVT_STATUS_IOC ? 'I' : 'i',
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status & DEPEVT_STATUS_LST ? 'M' : 'm');
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break;
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case DWC3_DEPEVT_XFERNOTREADY:
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strcat(str, "Transfer Not Ready");
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status = event->status & DEPEVT_STATUS_TRANSFER_ACTIVE;
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strcat(str, status ? " (Active)" : " (Not Active)");
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strcat(str, status & DEPEVT_STATUS_TRANSFER_ACTIVE ?
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" (Active)" : " (Not Active)");
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/* Control Endpoints */
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if (epnum <= 1) {
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