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| author |   Felipe Balbi <felipe.balbi@linux.intel.com> | 2017-03-31 14:44:09 +0300 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2017-04-11 10:58:26 +0300 |
| commit | b5c7ed5cca82991335ae3a66428a791acc8aa7e9 (patch) | |
| tree | 1906d55004e8d7a841ff0f60cc59bb5f9b4f163e /drivers/usb/dwc3/debug.h | |
| parent | usb: dwc3: debugfs: return strings that match tracepoints (diff) | |
| download | linux-dev-b5c7ed5cca82991335ae3a66428a791acc8aa7e9.tar.xz linux-dev-b5c7ed5cca82991335ae3a66428a791acc8aa7e9.zip | |
usb: dwc3: expose dwc3_trb_type_string()
That helper can be used from our tracepoint interface with very minor
edits. Let's do so.
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 | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/debug.h b/drivers/usb/dwc3/debug.h index eeed4ffd8131..cb2d8d3f7f3d 100644 --- a/drivers/usb/dwc3/debug.h +++ b/drivers/usb/dwc3/debug.h @@ -124,6 +124,34 @@ dwc3_gadget_link_string(enum dwc3_link_state link_state) } } +/** + * dwc3_trb_type_string - returns TRB type as a string + * @type: the type of the TRB + */ +static inline const char *dwc3_trb_type_string(unsigned int type) +{ + switch (type) { + case DWC3_TRBCTL_NORMAL: + return "normal"; + case DWC3_TRBCTL_CONTROL_SETUP: + return "setup"; + case DWC3_TRBCTL_CONTROL_STATUS2: + return "status2"; + case DWC3_TRBCTL_CONTROL_STATUS3: + return "status3"; + case DWC3_TRBCTL_CONTROL_DATA: + return "data"; + case DWC3_TRBCTL_ISOCHRONOUS_FIRST: + return "isoc-first"; + case DWC3_TRBCTL_ISOCHRONOUS: + return "isoc"; + case DWC3_TRBCTL_LINK_TRB: + return "link"; + default: + return "UNKNOWN"; + } +} + static inline const char *dwc3_ep0_state_string(enum dwc3_ep0_state state) { switch (state) { |