diff options
Diffstat (limited to 'include/linux/usb.h')
| -rw-r--r-- | include/linux/usb.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h index 8c75af6b7d5b..a55f127d6836 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -394,6 +394,15 @@ struct usb_bus { struct mon_bus *mon_bus; /* non-null when associated */ int monitored; /* non-zero when monitored */ #endif + unsigned skip_resume:1; /* All USB devices are brought into full + * power state after system resume. It + * is desirable for some buses to keep + * their devices in suspend state even + * after system resume. The devices + * are resumed later when a remote + * wakeup is detected or an interface + * driver starts I/O. + */ }; struct usb_dev_state; @@ -733,6 +742,17 @@ static inline bool usb_device_no_sg_constraint(struct usb_device *udev) /* for drivers using iso endpoints */ extern int usb_get_current_frame_number(struct usb_device *usb_dev); +extern int usb_sec_event_ring_setup(struct usb_device *dev, + unsigned intr_num); +extern int usb_sec_event_ring_cleanup(struct usb_device *dev, + unsigned intr_num); + +extern dma_addr_t +usb_get_sec_event_ring_dma_addr(struct usb_device *dev, + unsigned intr_num); +extern dma_addr_t usb_get_dcba_dma_addr(struct usb_device *dev); +extern dma_addr_t usb_get_xfer_ring_dma_addr(struct usb_device *dev, + struct usb_host_endpoint *ep); /* Sets up a group of bulk endpoints to support multiple stream IDs. */ extern int usb_alloc_streams(struct usb_interface *interface, @@ -1884,8 +1904,11 @@ static inline int usb_translate_errors(int error_code) #define USB_DEVICE_REMOVE 0x0002 #define USB_BUS_ADD 0x0003 #define USB_BUS_REMOVE 0x0004 +#define USB_BUS_DIED 0x0005 extern void usb_register_notify(struct notifier_block *nb); extern void usb_unregister_notify(struct notifier_block *nb); +extern void usb_register_atomic_notify(struct notifier_block *nb); +extern void usb_unregister_atomic_notify(struct notifier_block *nb); /* debugfs stuff */ extern struct dentry *usb_debug_root; |