Commit e3a78ff0 authored Oct 05, 2017 by Mathias Nyman Committed by Greg Kroah-Hartman Oct 05, 2017

xhci: trace slot context when calling xhci_configure_endpoint()



Add trace showing content of input slot context for
configure endpoint and evaluate context commands

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 49d5b05e

drivers/usb/host/xhci-trace.h

+5 −0

Original line number	Diff line number	Diff line
		@@ -388,6 +388,11 @@ DEFINE_EVENT(xhci_log_slot_ctx, xhci_handle_cmd_set_deq,
		TP_ARGS(ctx)
		);

		DEFINE_EVENT(xhci_log_slot_ctx, xhci_configure_endpoint,
		TP_PROTO(struct xhci_slot_ctx *ctx),
		TP_ARGS(ctx)
		);

		DECLARE_EVENT_CLASS(xhci_log_ring,
		TP_PROTO(struct xhci_ring *ring),
		TP_ARGS(ring),

drivers/usb/host/xhci.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -2564,6 +2564,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci,
		unsigned long flags;
		struct xhci_input_control_ctx *ctrl_ctx;
		struct xhci_virt_device *virt_dev;
		struct xhci_slot_ctx *slot_ctx;

		if (!command)
		return -EINVAL;
		@@ -2602,6 +2603,9 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci,
		return -ENOMEM;
		}

		slot_ctx = xhci_get_slot_ctx(xhci, command->in_ctx);
		trace_xhci_configure_endpoint(slot_ctx);

		if (!ctx_change)
		ret = xhci_queue_configure_endpoint(xhci, command,
		command->in_ctx->dma,