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xhci: add port status tracing for Get Hub Status requests 

Trace the port status of each port of a roothub when
the xhci roothub receives a Get Hub 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 17:59:15 +02:00 committed by Greg Kroah-Hartman
parent 28c06e5860
commit 3f8499ac7c
2 changed files with 7 additions and 0 deletions
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2
drivers/usb/host/xhci-hub.c
View File

@ -1443,6 +1443,8 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf)
retval = -ENODEV;
break;
}
trace_xhci_hub_status_data(i, temp);
if ((temp & mask) != 0 ||
(bus_state->port_c_suspend & 1 << i) ||
(bus_state->resume_done[i] && time_after_eq(

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

@ -499,6 +499,11 @@ DEFINE_EVENT(xhci_log_portsc, xhci_get_port_status,
TP_ARGS(portnum, portsc)
);
DEFINE_EVENT(xhci_log_portsc, xhci_hub_status_data,
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),