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Commit 28c06e58 authored Dec 08, 2017 by Mathias Nyman Committed by Greg Kroah-Hartman Dec 08, 2017

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>

parent ab725cbe

drivers/usb/host/xhci-hub.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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)

drivers/usb/host/xhci-trace.h

+5 −0

Original line number	Diff line number	Diff line
		@@ -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),