[PATCH] stop exporting two functions

The way we're looking at USB suspend lately doesn't expect drivers to
call usb_suspend_device() or usb_resume_device() directly; that'll
be implicit when no interfaces are in use.

This patch removes those APIs from visibility outside usbcore.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>

 drivers/usb/core/hub.c |   12 ++++--------
 drivers/usb/core/usb.h |    4 ++++
 include/linux/usb.h    |    5 -----
 3 files changed, 8 insertions(+), 13 deletions(-)

drivers/usb/core/hub.c

@@ -1652,10 +1652,10 @@ static int __usb_suspend_device (struct usb_device *udev, int port1)
 
 #endif
 
-/**
+/*
  * usb_suspend_device - suspend a usb device
  * @udev: device that's no longer in active use
- * Context: must be able to sleep; device not locked
+ * Context: must be able to sleep; device not locked; pm locks held
  *
  * Suspends a USB device that isn't in active use, conserving power.
  * Devices may wake out of a suspend, if anything important happens,
@@ -1820,10 +1820,10 @@ hub_port_resume(struct usb_hub *hub, int port1, struct usb_device *udev)
 
 #endif
 
-/**
+/*
  * usb_resume_device - re-activate a suspended usb device
  * @udev: device to re-activate
- * Context: must be able to sleep; device not locked
+ * Context: must be able to sleep; device not locked; pm locks held
  *
  * This will re-activate the suspended device, increasing power usage
  * while letting drivers communicate again with its endpoints.
@@ -2024,10 +2024,6 @@ void usb_resume_root_hub(struct usb_device *hdev)
 	kick_khubd(hub);
 }
 
-EXPORT_SYMBOL(usb_suspend_device);
-EXPORT_SYMBOL(usb_resume_device);
-
-
 
 /* USB 2.0 spec, 7.1.7.3 / fig 7-29:
  *

drivers/usb/core/usb.h

@@ -29,6 +29,10 @@ extern void usb_major_cleanup(void);
 extern int usb_host_init(void);
 extern void usb_host_cleanup(void);
 
+extern int usb_suspend_device(struct usb_device *dev);
+extern int usb_resume_device(struct usb_device *dev);
+
+
 /* Interfaces and their "power state" are owned by usbcore */
 
 static inline void mark_active(struct usb_interface *f)

include/linux/usb.h

@@ -975,11 +975,6 @@ extern int usb_bulk_msg(struct usb_device *usb_dev, unsigned int pipe,
 	void *data, int len, int *actual_length,
 	int timeout);
 
-/* selective suspend/resume */
-extern int usb_suspend_device(struct usb_device *dev);
-extern int usb_resume_device(struct usb_device *dev);
-
-
 /* wrappers around usb_control_msg() for the most common standard requests */
 extern int usb_get_descriptor(struct usb_device *dev, unsigned char desctype,
 	unsigned char descindex, void *buf, int size);