 59d48b3f1f
			
		
	
	
	59d48b3f1f
	
	
	
		
			
			USB hub started to use a workqueue instead of kthread. Let's make it clear from the function names. Signed-off-by: Petr Mladek <pmladek@suse.cz> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
		
			
				
	
	
		
			191 lines
		
	
	
	
		
			6.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			191 lines
		
	
	
	
		
			6.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| #include <linux/pm.h>
 | |
| #include <linux/acpi.h>
 | |
| 
 | |
| struct usb_hub_descriptor;
 | |
| struct usb_dev_state;
 | |
| 
 | |
| /* Functions local to drivers/usb/core/ */
 | |
| 
 | |
| 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 void usb_remove_sysfs_intf_files(struct usb_interface *intf);
 | |
| extern int usb_create_ep_devs(struct device *parent,
 | |
| 				struct usb_host_endpoint *endpoint,
 | |
| 				struct usb_device *udev);
 | |
| extern void usb_remove_ep_devs(struct usb_host_endpoint *endpoint);
 | |
| 
 | |
| extern void usb_enable_endpoint(struct usb_device *dev,
 | |
| 		struct usb_host_endpoint *ep, bool reset_toggle);
 | |
| extern void usb_enable_interface(struct usb_device *dev,
 | |
| 		struct usb_interface *intf, bool reset_toggles);
 | |
| extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr,
 | |
| 		bool reset_hardware);
 | |
| extern void usb_disable_interface(struct usb_device *dev,
 | |
| 		struct usb_interface *intf, bool reset_hardware);
 | |
| extern void usb_release_interface_cache(struct kref *ref);
 | |
| extern void usb_disable_device(struct usb_device *dev, int skip_ep0);
 | |
| extern int usb_deauthorize_device(struct usb_device *);
 | |
| extern int usb_authorize_device(struct usb_device *);
 | |
| extern void usb_detect_quirks(struct usb_device *udev);
 | |
| extern void usb_detect_interface_quirks(struct usb_device *udev);
 | |
| extern int usb_remove_device(struct usb_device *udev);
 | |
| 
 | |
| extern int usb_get_device_descriptor(struct usb_device *dev,
 | |
| 		unsigned int size);
 | |
| extern int usb_get_bos_descriptor(struct usb_device *dev);
 | |
| extern void usb_release_bos_descriptor(struct usb_device *dev);
 | |
| extern char *usb_cache_string(struct usb_device *udev, int index);
 | |
| extern int usb_set_configuration(struct usb_device *dev, int configuration);
 | |
| extern int usb_choose_configuration(struct usb_device *udev);
 | |
| 
 | |
| static inline unsigned usb_get_max_power(struct usb_device *udev,
 | |
| 		struct usb_host_config *c)
 | |
| {
 | |
| 	/* SuperSpeed power is in 8 mA units; others are in 2 mA units */
 | |
| 	unsigned mul = (udev->speed == USB_SPEED_SUPER ? 8 : 2);
 | |
| 
 | |
| 	return c->desc.bMaxPower * mul;
 | |
| }
 | |
| 
 | |
| extern void usb_kick_hub_wq(struct usb_device *dev);
 | |
| extern int usb_match_one_id_intf(struct usb_device *dev,
 | |
| 				 struct usb_host_interface *intf,
 | |
| 				 const struct usb_device_id *id);
 | |
| extern int usb_match_device(struct usb_device *dev,
 | |
| 			    const struct usb_device_id *id);
 | |
| extern void usb_forced_unbind_intf(struct usb_interface *intf);
 | |
| extern void usb_unbind_and_rebind_marked_interfaces(struct usb_device *udev);
 | |
| 
 | |
| extern void usb_hub_release_all_ports(struct usb_device *hdev,
 | |
| 		struct usb_dev_state *owner);
 | |
| extern bool usb_device_is_owned(struct usb_device *udev);
 | |
| 
 | |
| extern int  usb_hub_init(void);
 | |
| extern void usb_hub_cleanup(void);
 | |
| extern int usb_major_init(void);
 | |
| extern void usb_major_cleanup(void);
 | |
| 
 | |
| #ifdef	CONFIG_PM
 | |
| 
 | |
| extern int usb_suspend(struct device *dev, pm_message_t msg);
 | |
| extern int usb_resume(struct device *dev, pm_message_t msg);
 | |
| extern int usb_resume_complete(struct device *dev);
 | |
| 
 | |
| extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg);
 | |
| extern int usb_port_resume(struct usb_device *dev, pm_message_t msg);
 | |
| 
 | |
| #else
 | |
| 
 | |
| static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
 | |
| {
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg)
 | |
| {
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| #endif
 | |
| 
 | |
| #ifdef CONFIG_PM_RUNTIME
 | |
| 
 | |
| extern void usb_autosuspend_device(struct usb_device *udev);
 | |
| extern int usb_autoresume_device(struct usb_device *udev);
 | |
| extern int usb_remote_wakeup(struct usb_device *dev);
 | |
| extern int usb_runtime_suspend(struct device *dev);
 | |
| extern int usb_runtime_resume(struct device *dev);
 | |
| extern int usb_runtime_idle(struct device *dev);
 | |
| extern int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable);
 | |
| 
 | |
| #else
 | |
| 
 | |
| #define usb_autosuspend_device(udev)		do {} while (0)
 | |
| static inline int usb_autoresume_device(struct usb_device *udev)
 | |
| {
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static inline int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable)
 | |
| {
 | |
| 	return 0;
 | |
| }
 | |
| #endif
 | |
| 
 | |
| extern struct bus_type usb_bus_type;
 | |
| extern struct mutex usb_port_peer_mutex;
 | |
| extern struct device_type usb_device_type;
 | |
| extern struct device_type usb_if_device_type;
 | |
| extern struct device_type usb_ep_device_type;
 | |
| extern struct device_type usb_port_device_type;
 | |
| extern struct usb_device_driver usb_generic_driver;
 | |
| 
 | |
| static inline int is_usb_device(const struct device *dev)
 | |
| {
 | |
| 	return dev->type == &usb_device_type;
 | |
| }
 | |
| 
 | |
| static inline int is_usb_interface(const struct device *dev)
 | |
| {
 | |
| 	return dev->type == &usb_if_device_type;
 | |
| }
 | |
| 
 | |
| static inline int is_usb_endpoint(const struct device *dev)
 | |
| {
 | |
| 	return dev->type == &usb_ep_device_type;
 | |
| }
 | |
| 
 | |
| static inline int is_usb_port(const struct device *dev)
 | |
| {
 | |
| 	return dev->type == &usb_port_device_type;
 | |
| }
 | |
| 
 | |
| /* Do the same for device drivers and interface drivers. */
 | |
| 
 | |
| static inline int is_usb_device_driver(struct device_driver *drv)
 | |
| {
 | |
| 	return container_of(drv, struct usbdrv_wrap, driver)->
 | |
| 			for_devices;
 | |
| }
 | |
| 
 | |
| /* for labeling diagnostics */
 | |
| extern const char *usbcore_name;
 | |
| 
 | |
| /* sysfs stuff */
 | |
| extern const struct attribute_group *usb_device_groups[];
 | |
| extern const struct attribute_group *usb_interface_groups[];
 | |
| 
 | |
| /* usbfs stuff */
 | |
| extern struct mutex usbfs_mutex;
 | |
| extern struct usb_driver usbfs_driver;
 | |
| extern const struct file_operations usbfs_devices_fops;
 | |
| extern const struct file_operations usbdev_file_operations;
 | |
| extern void usbfs_conn_disc_event(void);
 | |
| 
 | |
| extern int usb_devio_init(void);
 | |
| extern void usb_devio_cleanup(void);
 | |
| 
 | |
| /*
 | |
|  * Firmware specific cookie identifying a port's location. '0' == no location
 | |
|  * data available
 | |
|  */
 | |
| typedef u32 usb_port_location_t;
 | |
| 
 | |
| /* internal notify stuff */
 | |
| extern void usb_notify_add_device(struct usb_device *udev);
 | |
| extern void usb_notify_remove_device(struct usb_device *udev);
 | |
| extern void usb_notify_add_bus(struct usb_bus *ubus);
 | |
| extern void usb_notify_remove_bus(struct usb_bus *ubus);
 | |
| extern void usb_hub_adjust_deviceremovable(struct usb_device *hdev,
 | |
| 		struct usb_hub_descriptor *desc);
 | |
| 
 | |
| #ifdef CONFIG_ACPI
 | |
| extern int usb_acpi_register(void);
 | |
| extern void usb_acpi_unregister(void);
 | |
| extern acpi_handle usb_get_hub_port_acpi_handle(struct usb_device *hdev,
 | |
| 	int port1);
 | |
| #else
 | |
| static inline int usb_acpi_register(void) { return 0; };
 | |
| static inline void usb_acpi_unregister(void) { };
 | |
| #endif
 |