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| author | Felipe Balbi <felipe.balbi@linux.intel.com> | 2018-04-06 11:03:19 +0300 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2018-05-21 10:00:56 +0300 |
| commit | b27972b508d113b8fcfb04a2520915111b431bb2 (patch) | |
| tree | b2254fd496e483282d31fab66e1becc5c830713b /drivers/usb/dwc3/debug.h | |
| parent | 8b3b7b66c0e63813f611f7f70a6c4e7efafedae8 (diff) | |
| download | linux-b27972b508d113b8fcfb04a2520915111b431bb2.tar.gz linux-b27972b508d113b8fcfb04a2520915111b431bb2.tar.bz2 linux-b27972b508d113b8fcfb04a2520915111b431bb2.zip | |
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>
Diffstat (limited to 'drivers/usb/dwc3/debug.h')
| -rw-r--r-- | drivers/usb/dwc3/debug.h | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/usb/dwc3/debug.h b/drivers/usb/dwc3/debug.h index bfb90c52d8fc..0be6a554be57 100644 --- a/drivers/usb/dwc3/debug.h +++ b/drivers/usb/dwc3/debug.h @@ -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) { |