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 <[email protected]> --- drivers/usb/host/xhci-hub.c | 2 ++ drivers/usb/host/xhci-trace.h | 5 +++++ 2 files changed, 7 insertions(+) diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 1a1856b..46d5e08 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -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( diff --git a/drivers/usb/host/xhci-trace.h b/drivers/usb/host/xhci-trace.h index 6c093db..410544f 100644 --- a/drivers/usb/host/xhci-trace.h +++ b/drivers/usb/host/xhci-trace.h @@ -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), -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
