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| author | Felipe Balbi <felipe.balbi@linux.intel.com> | 2017-01-23 15:20:23 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-01-25 13:00:01 +0300 |
| commit | a711edeeb1a1e80fb8626ee28acc15f084dcb107 (patch) | |
| tree | 75ce165d4b9d176b2d8e8393373a29eb6d7b08c0 /drivers/usb/host/xhci-hub.c | |
| parent | d4d93e6c55021aca954603b0e18b2de27026d433 (diff) | |
| download | linux-a711edeeb1a1e80fb8626ee28acc15f084dcb107.tar.xz | |
usb: host: xhci: add xhci_virt_device tracer
Let's start tracing at least part of an xhci_virt_device lifetime. We
might want to extend this tracepoint class later, but for now it already
exposes quite a bit of valuable information.
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>
Diffstat (limited to 'drivers/usb/host/xhci-hub.c')
| -rw-r--r-- | drivers/usb/host/xhci-hub.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 50d086b48635..3bddeaa1e2d7 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -389,6 +389,8 @@ static int xhci_stop_device(struct xhci_hcd *xhci, int slot_id, int suspend) if (!virt_dev) return -ENODEV; + trace_xhci_stop_device(virt_dev); + cmd = xhci_alloc_command(xhci, false, true, GFP_NOIO); if (!cmd) { xhci_dbg(xhci, "Couldn't allocate command structure.\n"); |