From a2cdc3432c361bb885476d1c625e22b518e0bc07 Mon Sep 17 00:00:00 2001
From: Dan Williams <dan.j.williams@intel.com>
Date: Wed, 16 Oct 2013 12:25:44 -0700
Subject: usb: xhci: remove the unused ->address field

Only used for debug output, so we don't need to save it.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>

diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index d3f6abb..b41c24c 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -3704,9 +3704,6 @@ disable_slot:
  * the device).
  * We should be protected by the usb_address0_mutex in khubd's hub_port_init, so
  * we should only issue and wait on one address command at the same time.
- *
- * We add one to the device address issued by the hardware because the USB core
- * uses address 1 for the root hubs (even though they're not really devices).
  */
 int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
 {
@@ -3851,16 +3848,13 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
 	slot_ctx = xhci_get_slot_ctx(xhci, virt_dev->out_ctx);
 	trace_xhci_address_ctx(xhci, virt_dev->out_ctx,
 				slot_ctx->dev_info >> 27);
-	/* Use kernel assigned address for devices; store xHC assigned
-	 * address locally. */
-	virt_dev->address = (le32_to_cpu(slot_ctx->dev_state) & DEV_ADDR_MASK)
-		+ 1;
 	/* Zero the input context control for later use */
 	ctrl_ctx->add_flags = 0;
 	ctrl_ctx->drop_flags = 0;
 
 	xhci_dbg_trace(xhci, trace_xhci_dbg_address,
-			"Internal device address = %d", virt_dev->address);
+		       "Internal device address = %d",
+		       le32_to_cpu(slot_ctx->dev_state) & DEV_ADDR_MASK);
 
 	return 0;
 }
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 4660819..2c701c6 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -935,8 +935,6 @@ struct xhci_virt_device {
 	/* Rings saved to ensure old alt settings can be re-instated */
 	struct xhci_ring		**ring_cache;
 	int				num_rings_cached;
-	/* Store xHC assigned device address */
-	int				address;
 #define	XHCI_MAX_RINGS_CACHED	31
 	struct xhci_virt_ep		eps[31];
 	struct completion		cmd_completion;
-- 
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