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usb: host: xhci: add Slot and EP Context tracers
authorFelipe Balbi <felipe.balbi@linux.intel.com>
Fri, 7 Apr 2017 14:56:57 +0000 (17:56 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 8 Apr 2017 10:17:41 +0000 (12:17 +0200)
commit19a7d0d65c4a813069f4bc4ca701d6a163c337e9
treec41b437121a032eac950270e040238e2ee4e81c6
parent52407729fbeabb654d38c0c99661a41a481092d1
usb: host: xhci: add Slot and EP Context tracers

With these, we can track what's happening with the HW while executing
each and every command. It will give us visibility into how the
different contexts are being modified by xHC which can bring insight
into problems while debugging.

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>
drivers/usb/host/xhci-ring.c
drivers/usb/host/xhci-trace.h
drivers/usb/host/xhci.c
drivers/usb/host/xhci.h