patches/0254-xhci-trace-slot-context-when-calling-xhci_configure_.patch

From 48d08f105349df89d0e30287bb4a7d330f705736 Mon Sep 17 00:00:00 2001
From: Mathias Nyman <mathias.nyman@linux.intel.com>
Date: Thu, 5 Oct 2017 11:21:48 +0300
Subject: [PATCH 0254/1795] 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>
(cherry picked from commit e3a78ff022c64b518d3efd9ea0f26a784dc0b629)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
 drivers/usb/host/xhci-trace.h | 5 +++++
 drivers/usb/host/xhci.c       | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/drivers/usb/host/xhci-trace.h b/drivers/usb/host/xhci-trace.h
index 447edc6343d2..183ed1cf2138 100644
--- a/drivers/usb/host/xhci-trace.h
+++ b/drivers/usb/host/xhci-trace.h
@@ -415,6 +415,11 @@ 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),
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 6cbf4a156c2b..0ea7ff6e81a4 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -2638,6 +2638,7 @@ 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;
@@ -2676,6 +2677,9 @@ 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,
-- 
2.19.0