usb: host: xhci: add urb_enqueue/dequeue/giveback tracers

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These three new tracers will help us tie TRBs into URBs by *also*
looking into URB lifetime.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Felipe Balbi 2017-01-23 14:20:20 +02:00 • committed by Greg Kroah-Hartman

parent a37c3f76e6

commit 5abdc2e6e1

3 changed files with 76 additions and 0 deletions

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1

drivers/usb/host/xhci-ring.c

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70

drivers/usb/host/xhci-trace.h

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5

drivers/usb/host/xhci.c

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