diff options
| author | Lan Tianyu <tianyu.lan@intel.com> | 2012-05-11 16:08:30 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-05-11 17:08:41 -0700 |
| commit | bebc56d58dc780539777d2b1ca80df5566e2ad87 (patch) | |
| tree | e24d45842809c559c98abb6fb6b2db1445264220 /include/linux | |
| parent | f397d7c4c5e8a1eb93f2ed15808a509318ccf1dd (diff) | |
usb: move struct usb_device->children to struct usb_hub_port->child
Move child's pointer to the struct usb_hub_port since the child device
is directly associated with the port. Provide usb_get_hub_child_device()
to get child's pointer.
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/usb.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h index 5483cd70390b..69163a0abe91 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -424,7 +424,6 @@ enum usb_device_removable { * access from userspace * @usbfs_dentry: usbfs dentry entry for the device * @maxchild: number of ports if hub - * @children: child devices - USB devices that are attached to this hub * @quirks: quirks of the whole device * @urbnum: number of URBs submitted for the whole device * @active_duration: total time device is not suspended @@ -491,7 +490,6 @@ struct usb_device { struct list_head filelist; int maxchild; - struct usb_device **children; u32 quirks; atomic_t urbnum; @@ -517,6 +515,8 @@ static inline struct usb_device *interface_to_usbdev(struct usb_interface *intf) extern struct usb_device *usb_get_dev(struct usb_device *dev); extern void usb_put_dev(struct usb_device *dev); +extern struct usb_device *usb_get_hub_child_device(struct usb_device *hdev, + int port1); /* USB device locking */ #define usb_lock_device(udev) device_lock(&(udev)->dev) |