From: Felipe Balbi <balbi@ti.com>
Date: Wed, 30 Apr 2014 22:45:10 +0000 (-0500)
Subject: usb: dwc3: add tracepoints to aid debugging
X-Git-Tag: fixes-for-v3.18-merge-window~16^2~118^2~39
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2c4cbe6e5a9c71408b496e00a78ea9284e98af16;p=pandora-kernel.git

usb: dwc3: add tracepoints to aid debugging

When we're debugging hard-to-reproduce and time-sensitive
use cases, printk() poses too much overhead. That's when
the kernel's tracing infrastructure comes into play.

This patch implements a few initial tracepoints for the
dwc3 driver. More traces can be added as necessary in order
to ease the task of debugging dwc3.

Reviewed-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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