On Wed, Jun 24, 2009 at 05:00:32PM +0530, Prabhu Chawandi wrote:
> HI alan,
>
> I am reading the descriptor and speed of the USB storage device, for
> that I wrote an ioctl locally,
That should not be needed, it should already be in the structures you
have within the kernel, and from sysfs in userspace.
> Here is the code segment returning error ---
>
> ret = usb_control_msg(pRootHub, usb_rcvctrlpipe(pRootHub, 0),
> USB_REQ_GET_STATUS, USB_DIR_IN | USB_RT_PORT, 0,
> port_num + 1, portsts, sizeof(struct usb_hub_status),
> 5000/* HZ */);
> if (ret < 0) {
> err("3 HUB_PORT: --> %s (%d) failed (err = %d)",
> __FUNCTION__, pRootHub->devnum, ret);
> }
>
> I am getting the above error:
>
> Getting in depth, I am having two HCDs, How can I check which HCD is
> being used ?
You should not care at all about this, why are you?
confused,
greg k-h
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