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222 lines
7.4 KiB
222 lines
7.4 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Released under the GPLv2 only. |
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*/ |
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#include <linux/pm.h> |
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#include <linux/acpi.h> |
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struct usb_hub_descriptor; |
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struct usb_dev_state; |
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/* Functions local to drivers/usb/core/ */ |
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extern int 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 int usb_create_ep_devs(struct device *parent, |
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struct usb_host_endpoint *endpoint, |
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struct usb_device *udev); |
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extern void usb_remove_ep_devs(struct usb_host_endpoint *endpoint); |
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extern void usb_enable_endpoint(struct usb_device *dev, |
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struct usb_host_endpoint *ep, bool reset_toggle); |
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extern void usb_enable_interface(struct usb_device *dev, |
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struct usb_interface *intf, bool reset_toggles); |
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extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr, |
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bool reset_hardware); |
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extern void usb_disable_interface(struct usb_device *dev, |
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struct usb_interface *intf, bool reset_hardware); |
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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_deauthorize_device(struct usb_device *); |
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extern int usb_authorize_device(struct usb_device *); |
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extern void usb_deauthorize_interface(struct usb_interface *); |
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extern void usb_authorize_interface(struct usb_interface *); |
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extern void usb_detect_quirks(struct usb_device *udev); |
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extern void usb_detect_interface_quirks(struct usb_device *udev); |
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extern void usb_release_quirk_list(void); |
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extern bool usb_endpoint_is_ignored(struct usb_device *udev, |
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struct usb_host_interface *intf, |
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struct usb_endpoint_descriptor *epd); |
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extern int usb_remove_device(struct usb_device *udev); |
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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 int usb_set_isoch_delay(struct usb_device *dev); |
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extern int usb_get_bos_descriptor(struct usb_device *dev); |
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extern void usb_release_bos_descriptor(struct usb_device *dev); |
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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 int usb_choose_configuration(struct usb_device *udev); |
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extern int usb_generic_driver_probe(struct usb_device *udev); |
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extern void usb_generic_driver_disconnect(struct usb_device *udev); |
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extern int usb_generic_driver_suspend(struct usb_device *udev, |
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pm_message_t msg); |
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extern int usb_generic_driver_resume(struct usb_device *udev, |
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pm_message_t msg); |
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static inline unsigned usb_get_max_power(struct usb_device *udev, |
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struct usb_host_config *c) |
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{ |
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/* SuperSpeed power is in 8 mA units; others are in 2 mA units */ |
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unsigned mul = (udev->speed >= USB_SPEED_SUPER ? 8 : 2); |
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return c->desc.bMaxPower * mul; |
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} |
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extern void usb_kick_hub_wq(struct usb_device *dev); |
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extern int usb_match_one_id_intf(struct usb_device *dev, |
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struct usb_host_interface *intf, |
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const struct usb_device_id *id); |
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extern int usb_match_device(struct usb_device *dev, |
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const struct usb_device_id *id); |
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extern const struct usb_device_id *usb_device_match_id(struct usb_device *udev, |
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const struct usb_device_id *id); |
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extern bool usb_driver_applicable(struct usb_device *udev, |
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struct usb_device_driver *udrv); |
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extern void usb_forced_unbind_intf(struct usb_interface *intf); |
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extern void usb_unbind_and_rebind_marked_interfaces(struct usb_device *udev); |
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extern void usb_hub_release_all_ports(struct usb_device *hdev, |
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struct usb_dev_state *owner); |
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extern bool usb_device_is_owned(struct usb_device *udev); |
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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_device_supports_lpm(struct usb_device *udev); |
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extern int usb_port_disable(struct usb_device *udev); |
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#ifdef CONFIG_PM |
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extern int usb_suspend(struct device *dev, pm_message_t msg); |
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extern int usb_resume(struct device *dev, pm_message_t msg); |
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extern int usb_resume_complete(struct device *dev); |
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extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg); |
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extern int usb_port_resume(struct usb_device *dev, pm_message_t msg); |
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extern void usb_autosuspend_device(struct usb_device *udev); |
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extern int usb_autoresume_device(struct usb_device *udev); |
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extern int usb_remote_wakeup(struct usb_device *dev); |
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extern int usb_runtime_suspend(struct device *dev); |
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extern int usb_runtime_resume(struct device *dev); |
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extern int usb_runtime_idle(struct device *dev); |
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extern int usb_enable_usb2_hardware_lpm(struct usb_device *udev); |
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extern int usb_disable_usb2_hardware_lpm(struct usb_device *udev); |
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extern void usbfs_notify_suspend(struct usb_device *udev); |
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extern void usbfs_notify_resume(struct usb_device *udev); |
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#else |
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static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg) |
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{ |
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return 0; |
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} |
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static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg) |
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{ |
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return 0; |
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} |
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#define usb_autosuspend_device(udev) do {} while (0) |
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static inline int usb_autoresume_device(struct usb_device *udev) |
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{ |
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return 0; |
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} |
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static inline int usb_enable_usb2_hardware_lpm(struct usb_device *udev) |
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{ |
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return 0; |
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} |
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static inline int usb_disable_usb2_hardware_lpm(struct usb_device *udev) |
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{ |
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return 0; |
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} |
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#endif |
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extern struct bus_type usb_bus_type; |
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extern struct mutex usb_port_peer_mutex; |
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extern struct device_type usb_device_type; |
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extern struct device_type usb_if_device_type; |
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extern struct device_type usb_ep_device_type; |
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extern struct device_type usb_port_device_type; |
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extern struct usb_device_driver usb_generic_driver; |
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static inline int is_usb_device(const struct device *dev) |
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{ |
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return dev->type == &usb_device_type; |
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} |
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static inline int is_usb_interface(const struct device *dev) |
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{ |
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return dev->type == &usb_if_device_type; |
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} |
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static inline int is_usb_endpoint(const struct device *dev) |
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{ |
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return dev->type == &usb_ep_device_type; |
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} |
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static inline int is_usb_port(const struct device *dev) |
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{ |
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return dev->type == &usb_port_device_type; |
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} |
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static inline int is_root_hub(struct usb_device *udev) |
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{ |
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return (udev->parent == NULL); |
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} |
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/* Do the same for device drivers and interface drivers. */ |
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static inline int is_usb_device_driver(struct device_driver *drv) |
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{ |
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return container_of(drv, struct usbdrv_wrap, driver)-> |
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for_devices; |
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} |
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/* for labeling diagnostics */ |
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extern const char *usbcore_name; |
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/* sysfs stuff */ |
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extern const struct attribute_group *usb_device_groups[]; |
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extern const struct attribute_group *usb_interface_groups[]; |
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/* usbfs stuff */ |
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extern struct usb_driver usbfs_driver; |
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extern const struct file_operations usbfs_devices_fops; |
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extern const struct file_operations usbdev_file_operations; |
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extern int usb_devio_init(void); |
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extern void usb_devio_cleanup(void); |
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/* |
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* Firmware specific cookie identifying a port's location. '0' == no location |
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* data available |
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*/ |
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typedef u32 usb_port_location_t; |
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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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extern void usb_hub_adjust_deviceremovable(struct usb_device *hdev, |
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struct usb_hub_descriptor *desc); |
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#ifdef CONFIG_ACPI |
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extern int usb_acpi_register(void); |
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extern void usb_acpi_unregister(void); |
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extern acpi_handle usb_get_hub_port_acpi_handle(struct usb_device *hdev, |
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int port1); |
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#else |
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static inline int usb_acpi_register(void) { return 0; }; |
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static inline void usb_acpi_unregister(void) { }; |
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#endif
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