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| author | Mathias Nyman <mathias.nyman@linux.intel.com> | 2017-12-08 17:59:14 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-08 17:43:53 +0100 |
| commit | 28c06e58602fe48eb03ec8d4bdd005094fb6a31f (patch) | |
| tree | 3e86480235f77e5155f9a92992ee749b7691efdd | |
| parent | ab725cbec3e83dc29cc00b733bd26063b588fa98 (diff) | |
| download | linux-28c06e58602fe48eb03ec8d4bdd005094fb6a31f.tar.bz2 | |
xhci: add port status tracing for Get Port Status hub requests
Add tracing showing the port status register content each time
the xhci roothub receives a Get Port Status request.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/host/xhci-hub.c | 1 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-trace.h | 5 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 64e1b9bbf2bf..1a1856bb67a2 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -1076,6 +1076,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, retval = -ENODEV; break; } + trace_xhci_get_port_status(wIndex, temp); status = xhci_get_port_status(hcd, bus_state, port_array, wIndex, temp, flags); if (status == 0xffffffff) diff --git a/drivers/usb/host/xhci-trace.h b/drivers/usb/host/xhci-trace.h index 67ff314a6f41..6c093db5a4ed 100644 --- a/drivers/usb/host/xhci-trace.h +++ b/drivers/usb/host/xhci-trace.h @@ -494,6 +494,11 @@ DEFINE_EVENT(xhci_log_portsc, xhci_handle_port_status, TP_ARGS(portnum, portsc) ); +DEFINE_EVENT(xhci_log_portsc, xhci_get_port_status, + TP_PROTO(u32 portnum, u32 portsc), + TP_ARGS(portnum, portsc) +); + DECLARE_EVENT_CLASS(xhci_dbc_log_request, TP_PROTO(struct dbc_request *req), TP_ARGS(req), |