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usb: dwc3: expose dwc3_trb_type_string()

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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>
This commit is contained in:
Felipe Balbi
2017-03-31 14:44:09 +03:00
parent 90abb425d9
commit b5c7ed5cca
3 changed files with 31 additions and 55 deletions
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28
drivers/usb/dwc3/debug.h
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@@ -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) {