usb: musb: Implement tracing for state change events

[sfrench/cifs-2.6.git] / drivers / usb / musb / musb_trace.h

diff --git a/drivers/usb/musb/musb_trace.h b/drivers/usb/musb/musb_trace.h
index 380ebc77eab1f5e664443f7a41096ee58f99a5aa..ec28b57167961cdd685794a043d28188f353a1f4 100644 (file)
--- a/drivers/usb/musb/musb_trace.h
+++ b/drivers/usb/musb/musb_trace.h
@@ -37,6 +37,23 @@ TRACE_EVENT(musb_log,
        TP_printk("%s: %s", __get_str(name), __get_str(msg))
 );
 
+TRACE_EVENT(musb_state,
+       TP_PROTO(struct musb *musb, u8 devctl, const char *desc),
+       TP_ARGS(musb, devctl, desc),
+       TP_STRUCT__entry(
+               __string(name, dev_name(musb->controller))
+               __field(u8, devctl)
+               __string(desc, desc)
+       ),
+       TP_fast_assign(
+               __assign_str(name, dev_name(musb->controller));
+               __entry->devctl = devctl;
+               __assign_str(desc, desc);
+       ),
+       TP_printk("%s: devctl: %02x %s", __get_str(name), __entry->devctl,
+                 __get_str(desc))
+);
+
 DECLARE_EVENT_CLASS(musb_regb,
        TP_PROTO(void *caller, const void  __iomem *addr,
                 unsigned int offset, u8 data),