Signed-off-by: Lan Tianyu <tianyu.lan@xxxxxxxxx> --- drivers/usb/core/hub.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 6bf7124..cbd9f13 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -4236,6 +4236,17 @@ void usb_queue_reset_device(struct usb_interface *iface) } EXPORT_SYMBOL_GPL(usb_queue_reset_device); +/** + * usb_get_hub_childe_device - Get the pointer of child device + * attached to the port which is specified by param port1. + * + * @param hdev: USB device belonging to the usb hub + * @param port1: port num to indicate which port the child device + * is attached to. + * + * @return: NULL if input param is invalid. + * child's usb_device pointer if non-NULL. + */ struct usb_device *usb_get_hub_child_device(struct usb_device *hdev, int port1) { -- 1.7.9 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html