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authorFelipe Balbi <felipe.balbi@linux.intel.com>2017-03-31 14:44:09 +0300
committerFelipe Balbi <felipe.balbi@linux.intel.com>2017-04-11 10:58:26 +0300
commitb5c7ed5cca82991335ae3a66428a791acc8aa7e9 (patch)
tree1906d55004e8d7a841ff0f60cc59bb5f9b4f163e /drivers/usb/dwc3/debug.h
parent90abb425d9493d00a49b65114dcb0f7266ba64da (diff)
downloadlinux-b5c7ed5cca82991335ae3a66428a791acc8aa7e9.tar.xz
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.h28
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) {