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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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36e56a3458
This revised patch (as713b) moves a few routines among source files in usbcore. Some driver-related code in usb.c (claiming interfaces and matching IDs) is moved to driver.c, where it belongs. Also the usb_generic stuff in driver.c is moved to a new source file: generic.c. (That's the reason for revising the patch.) Although not very big now, it will get bigger in a later patch. None of the code has been changed; it has only been re-arranged. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
92 lines
3 KiB
C
92 lines
3 KiB
C
/* Functions local to drivers/usb/core/ */
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extern void usb_create_sysfs_dev_files (struct usb_device *dev);
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extern void usb_remove_sysfs_dev_files (struct usb_device *dev);
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extern void usb_create_sysfs_intf_files (struct usb_interface *intf);
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extern void usb_remove_sysfs_intf_files (struct usb_interface *intf);
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extern void usb_create_ep_files(struct device *parent, struct usb_host_endpoint *endpoint,
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struct usb_device *udev);
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extern void usb_remove_ep_files(struct usb_host_endpoint *endpoint);
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extern void usb_disable_endpoint (struct usb_device *dev, unsigned int epaddr);
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extern void usb_disable_interface (struct usb_device *dev,
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struct usb_interface *intf);
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extern void usb_release_interface_cache(struct kref *ref);
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extern void usb_disable_device (struct usb_device *dev, int skip_ep0);
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extern int usb_get_device_descriptor(struct usb_device *dev,
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unsigned int size);
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extern char *usb_cache_string(struct usb_device *udev, int index);
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extern int usb_set_configuration(struct usb_device *dev, int configuration);
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extern void usb_kick_khubd(struct usb_device *dev);
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extern void usb_suspend_root_hub(struct usb_device *hdev);
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extern void usb_resume_root_hub(struct usb_device *dev);
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extern int usb_hub_init(void);
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extern void usb_hub_cleanup(void);
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extern int usb_major_init(void);
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extern void usb_major_cleanup(void);
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extern int usb_host_init(void);
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extern void usb_host_cleanup(void);
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extern int usb_port_suspend(struct usb_device *dev);
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extern int usb_port_resume(struct usb_device *dev);
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extern struct bus_type usb_bus_type;
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extern struct device_driver usb_generic_driver;
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extern int usb_generic_driver_data;
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/* Interfaces and their "power state" are owned by usbcore */
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static inline void mark_active(struct usb_interface *f)
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{
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f->dev.power.power_state.event = PM_EVENT_ON;
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}
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static inline void mark_quiesced(struct usb_interface *f)
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{
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f->dev.power.power_state.event = PM_EVENT_FREEZE;
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}
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static inline int is_active(struct usb_interface *f)
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{
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return f->dev.power.power_state.event == PM_EVENT_ON;
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}
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/* for labeling diagnostics */
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extern const char *usbcore_name;
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/* usbfs stuff */
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extern struct mutex usbfs_mutex;
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extern struct usb_driver usbfs_driver;
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extern struct file_operations usbfs_devices_fops;
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extern struct file_operations usbfs_device_file_operations;
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extern void usbfs_conn_disc_event(void);
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extern int usbdev_init(void);
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extern void usbdev_cleanup(void);
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struct dev_state {
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struct list_head list; /* state list */
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struct usb_device *dev;
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struct file *file;
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spinlock_t lock; /* protects the async urb lists */
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struct list_head async_pending;
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struct list_head async_completed;
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wait_queue_head_t wait; /* wake up if a request completed */
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unsigned int discsignr;
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pid_t disc_pid;
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uid_t disc_uid, disc_euid;
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void __user *disccontext;
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unsigned long ifclaimed;
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u32 secid;
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};
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/* internal notify stuff */
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extern void usb_notify_add_device(struct usb_device *udev);
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extern void usb_notify_remove_device(struct usb_device *udev);
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extern void usb_notify_add_bus(struct usb_bus *ubus);
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extern void usb_notify_remove_bus(struct usb_bus *ubus);
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