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xhci: add port status tracing for Get Port Status hub requests

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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>
This commit is contained in:
Mathias Nyman 2017-12-08 17:59:14 +02:00 committed by Greg Kroah-Hartman
parent ab725cbec3
commit 28c06e5860
2 changed files with 6 additions and 0 deletions
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1
drivers/usb/host/xhci-hub.c
View file

@ -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)

5
drivers/usb/host/xhci-trace.h
View file

@ -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),