On Mon, May 14, 2012 at 09:14:26PM +0800, Lan Tianyu wrote:
> 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
^^^^^^
child
> + * attached to the port which is specified by param port1.
^^^^^
@port1
> + *
> + * @param hdev: USB device belonging to the usb hub
^^^^^^^^^^^
@hdev
> + * @param port1: port num to indicate which port the child device
^^^^^^^^^^^^
@port1
> + * 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
>
> --
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--
balbi
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