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usb: dwc3: trace: print out event status too

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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>
This commit is contained in:
Felipe Balbi 2018-04-06 11:03:19 +03:00
parent 8b3b7b66c0
commit b27972b508
1 changed files with 16 additions and 4 deletions
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20
drivers/usb/dwc3/debug.h
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@ -475,21 +475,33 @@ dwc3_ep_event_string(char *str, const struct dwc3_event_depevt *event,
if (ret < 0)
return "UNKNOWN";
status = event->status;
switch (event->endpoint_event) {
case DWC3_DEPEVT_XFERCOMPLETE:
strcat(str, "Transfer Complete");
len = strlen(str);
sprintf(str + len, "Transfer Complete (%c%c%c)",
status & DEPEVT_STATUS_SHORT ? 'S' : 's',
status & DEPEVT_STATUS_IOC ? 'I' : 'i',
status & DEPEVT_STATUS_LST ? 'L' : 'l');
len = strlen(str);
if (epnum <= 1)
sprintf(str + len, " [%s]", dwc3_ep0_state_string(ep0state));
break;
case DWC3_DEPEVT_XFERINPROGRESS:
strcat(str, "Transfer In-Progress");
len = strlen(str);
sprintf(str + len, "Transfer In Progress (%c%c%c)",
status & DEPEVT_STATUS_SHORT ? 'S' : 's',
status & DEPEVT_STATUS_IOC ? 'I' : 'i',
status & DEPEVT_STATUS_LST ? 'M' : 'm');
break;
case DWC3_DEPEVT_XFERNOTREADY:
strcat(str, "Transfer Not Ready");
status = event->status & DEPEVT_STATUS_TRANSFER_ACTIVE;
strcat(str, status ? " (Active)" : " (Not Active)");
strcat(str, status & DEPEVT_STATUS_TRANSFER_ACTIVE ?
" (Active)" : " (Not Active)");
/* Control Endpoints */
if (epnum <= 1) {