USB: xhci: Add Makefile, MAINTAINERS, and Kconfig entries.

Add Makefile and Kconfig entries for the xHCI host controller driver.
List Sarah Sharp as the maintainer for the xHCI driver.
Signed-off-by: NSarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

MAINTAINERS

@@ -6164,6 +6164,12 @@ L:	linux-wireless@vger.kernel.org
 S:	Maintained
 F:	drivers/net/wireless/rndis_wlan.c
 
+USB XHCI DRIVER
+P:	Sarah Sharp
+M:	sarah.a.sharp@intel.com
+L:	linux-usb@vger.kernel.org
+S:	Supported
+
 USB ZC0301 DRIVER
 P:	Luca Risolia
 M:	luca.risolia@studio.unibo.it

drivers/usb/Makefile

@@ -14,6 +14,7 @@ obj-$(CONFIG_USB_ISP116X_HCD)	+= host/
 obj-$(CONFIG_USB_OHCI_HCD)	+= host/
 obj-$(CONFIG_USB_UHCI_HCD)	+= host/
 obj-$(CONFIG_USB_FHCI_HCD)	+= host/
+obj-$(CONFIG_USB_XHCI_HCD)	+= host/
 obj-$(CONFIG_USB_SL811_HCD)	+= host/
 obj-$(CONFIG_USB_U132_HCD)	+= host/
 obj-$(CONFIG_USB_R8A66597_HCD)	+= host/

drivers/usb/host/Kconfig

@@ -17,6 +17,26 @@ config USB_C67X00_HCD
 	  To compile this driver as a module, choose M here: the
 	  module will be called c67x00.
 
+config USB_XHCI_HCD
+	tristate "xHCI HCD (USB 3.0) support (EXPERIMENTAL)"
+	depends on USB && EXPERIMENTAL
+	---help---
+	  The eXtensible Host Controller Interface (xHCI) is standard for USB 3.0
+	  "SuperSpeed" host controller hardware.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called xhci-hcd.
+
+config USB_XHCI_HCD_DEBUGGING
+	bool "Debugging for the xHCI host controller"
+	depends on USB_XHCI_HCD
+	---help---
+	  Say 'Y' to turn on debugging for the xHCI host controller driver.
+	  This will spew debugging output, even in interrupt context.
+	  This should only be used for debugging xHCI driver bugs.
+
+	  If unsure, say N.
+
 config USB_EHCI_HCD
 	tristate "EHCI HCD (USB 2.0) support"
 	depends on USB && USB_ARCH_HAS_EHCI

drivers/usb/host/Makefile

@@ -12,6 +12,7 @@ fhci-objs := fhci-hcd.o fhci-hub.o fhci-q.o fhci-mem.o \
 ifeq ($(CONFIG_FHCI_DEBUG),y)
 fhci-objs += fhci-dbg.o
 endif
+xhci-objs := xhci-hcd.o xhci-mem.o xhci-pci.o xhci-ring.o xhci-hub.o xhci-dbg.o
 
 obj-$(CONFIG_USB_WHCI_HCD)	+= whci/
 
@@ -23,6 +24,7 @@ obj-$(CONFIG_USB_ISP116X_HCD)	+= isp116x-hcd.o
 obj-$(CONFIG_USB_OHCI_HCD)	+= ohci-hcd.o
 obj-$(CONFIG_USB_UHCI_HCD)	+= uhci-hcd.o
 obj-$(CONFIG_USB_FHCI_HCD)	+= fhci.o
+obj-$(CONFIG_USB_XHCI_HCD)	+= xhci.o
 obj-$(CONFIG_USB_SL811_HCD)	+= sl811-hcd.o
 obj-$(CONFIG_USB_SL811_CS)	+= sl811_cs.o
 obj-$(CONFIG_USB_U132_HCD)	+= u132-hcd.o