/* Functions local to drivers/usb/core/ */
-extern void usb_create_sysfs_dev_files (struct usb_device *dev);
+extern int usb_create_sysfs_dev_files (struct usb_device *dev);
extern void usb_remove_sysfs_dev_files (struct usb_device *dev);
-extern void usb_create_sysfs_intf_files (struct usb_interface *intf);
+extern int usb_create_sysfs_intf_files (struct usb_interface *intf);
extern void usb_remove_sysfs_intf_files (struct usb_interface *intf);
-extern void usb_create_ep_files(struct device *parent, struct usb_host_endpoint *endpoint,
+extern int usb_create_ep_files(struct device *parent, struct usb_host_endpoint *endpoint,
struct usb_device *udev);
extern void usb_remove_ep_files(struct usb_host_endpoint *endpoint);
extern int usb_set_configuration(struct usb_device *dev, int configuration);
extern void usb_kick_khubd(struct usb_device *dev);
-extern void usb_suspend_root_hub(struct usb_device *hdev);
extern void usb_resume_root_hub(struct usb_device *dev);
extern int usb_hub_init(void);
extern int usb_host_init(void);
extern void usb_host_cleanup(void);
+#ifdef CONFIG_PM
+
+extern int usb_suspend_both(struct usb_device *udev, pm_message_t msg);
+extern int usb_resume_both(struct usb_device *udev);
extern int usb_port_suspend(struct usb_device *dev);
extern int usb_port_resume(struct usb_device *dev);
+#else
+
+#define usb_suspend_both(udev, msg) 0
+static inline int usb_resume_both(struct usb_device *udev)
+{
+ return 0;
+}
+#define usb_port_suspend(dev) 0
+#define usb_port_resume(dev) 0
+
+#endif
+
+#ifdef CONFIG_USB_SUSPEND
+
+#define USB_AUTOSUSPEND_DELAY (HZ*2)
+
+extern void usb_autosuspend_device(struct usb_device *udev, int dec_busy_cnt);
+extern int usb_autoresume_device(struct usb_device *udev, int inc_busy_cnt);
+
+#else
+
+#define usb_autosuspend_device(udev, dec_busy_cnt) do {} while (0)
+#define usb_autoresume_device(udev, inc_busy_cnt) 0
+
+#endif
+
+extern struct workqueue_struct *ksuspend_usb_wq;
extern struct bus_type usb_bus_type;
extern struct usb_device_driver usb_generic_driver;
* no such thing as a platform USB device, so we can steal the use
* of the platform_data field. */
-static inline int is_usb_device(struct device *dev)
+static inline int is_usb_device(const struct device *dev)
{
return dev->platform_data == &usb_generic_driver;
}
static inline void mark_active(struct usb_interface *f)
{
- f->dev.power.power_state.event = PM_EVENT_ON;
+ f->is_active = 1;
}
static inline void mark_quiesced(struct usb_interface *f)
{
- f->dev.power.power_state.event = PM_EVENT_FREEZE;
+ f->is_active = 0;
}
-static inline int is_active(struct usb_interface *f)
+static inline int is_active(const struct usb_interface *f)
{
- return f->dev.power.power_state.event == PM_EVENT_ON;
+ return f->is_active;
}
/* usbfs stuff */
extern struct mutex usbfs_mutex;
extern struct usb_driver usbfs_driver;
-extern struct file_operations usbfs_devices_fops;
-extern struct file_operations usbfs_device_file_operations;
+extern const struct file_operations usbfs_devices_fops;
+extern const struct file_operations usbfs_device_file_operations;
extern void usbfs_conn_disc_event(void);
extern int usbdev_init(void);