From 63a23b9a7451660525c90b08219e14e701e294f1 Mon Sep 17 00:00:00 2001
From: Xenia Ragiadakou <burzalodowa@gmail.com>
Date: Tue, 6 Aug 2013 07:52:48 +0300
Subject: [PATCH] xhci: add xhci_cmd_completion trace event

This patch creates a new event class, called xhci_log_event,
and defines the xhci_cmd_completion trace event used for
tracing the commands issued to xHC that generate a completion
event in the event ring.

This info can be used, later, to print, in a human readable
way, the completion status and flags as well as the command's
type and fields using the trace-cmd tool and the appropriate
plugin.

Also, a tracepoint is added in handle_cmd_completion().

Signed-off-by: Xenia Ragiadakou <burzalodowa@gmail.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
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