From 3f8499ac7cd838199eacd9d9a002e37227f1f2c7 Mon Sep 17 00:00:00 2001 From: Mathias Nyman <mathias.nyman@linux.intel.com> Date: Fri, 8 Dec 2017 17:59:15 +0200 Subject: 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> --- 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 1a1856bb67a2..46d5e08f05f1 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 6c093db5a4ed..410544ffe78f 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), -- cgit v1.2.3