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| author | Felipe Balbi <felipe.balbi@linux.intel.com> | 2016-09-26 11:54:04 +0200 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2016-10-31 10:15:36 +0100 |
| commit | 45a2af2f2b5af38743024a2a4fc154e2be93bd20 (patch) | |
| tree | 21e632ffeb37f1ae95238317538769b9298fbe1e /drivers/usb/dwc3/debug.h | |
| parent | usb: dwc3: gadget: conditionally disable Link State change events (diff) | |
| download | linux-45a2af2f2b5af38743024a2a4fc154e2be93bd20.tar.xz linux-45a2af2f2b5af38743024a2a4fc154e2be93bd20.zip | |
usb: dwc3: debug: decode control endpoint phase too
DWC3 can tell us which phase of a setup transfer
we're getting into. Let's decode it from the event
to make it easier to debug.
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 | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/debug.h b/drivers/usb/dwc3/debug.h index 33ab2a203c1b..fe8abee31551 100644 --- a/drivers/usb/dwc3/debug.h +++ b/drivers/usb/dwc3/debug.h @@ -207,6 +207,19 @@ dwc3_ep_event_string(const struct dwc3_event_depevt *event) strcat(str, "Transfer Not Ready"); status = event->status & DEPEVT_STATUS_TRANSFER_ACTIVE; strcat(str, status ? " (Active)" : " (Not Active)"); + + /* Control Endpoints */ + if (epnum <= 1) { + int phase = DEPEVT_STATUS_CONTROL_PHASE(event->status); + + switch (phase) { + case DEPEVT_STATUS_CONTROL_DATA: + strcat(str, " [Data Phase]"); + break; + case DEPEVT_STATUS_CONTROL_STATUS: + strcat(str, " [Status Phase]"); + } + } break; case DWC3_DEPEVT_RXTXFIFOEVT: strcat(str, "FIFO"); |