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[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(-)
This commit is contained in:
David Brownell 2005-09-22 22:45:26 -07:00 committed by Greg Kroah-Hartman
parent ccdcf77ae3
commit 5edbfb7c8a
3 changed files with 8 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/usb/core/hub.c
View File

@ -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:
*

4
drivers/usb/core/usb.h
View File

@ -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)

5
include/linux/usb.h
View File

@ -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);