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USB_HCD_LINK_URB_TO_(9)	     Host Controller APIs      USB_HCD_LINK_URB_TO_(9)

NAME
       usb_hcd_link_urb_to_ep - add an URB to its endpoint queue

SYNOPSIS
       int usb_hcd_link_urb_to_ep(struct usb_hcd * hcd, struct urb * urb);

ARGUMENTS
       hcd
	   host controller to which urb was submitted

       urb
	   URB being submitted

DESCRIPTION
       Host controller drivers should call this routine in their enqueue
       method. The HCD´s private spinlock must be held and interrupts must be
       disabled. The actions carried out here are required for URB submission,
       as well as for endpoint shutdown and for usb_kill_urb.

       Returns 0 for no error, otherwise a negative error code (in which case
       the enqueue method must fail). If no error occurs but enqueue fails
       anyway, it must call usb_hcd_unlink_urb_from_ep before releasing the
       private spinlock and returning.

COPYRIGHT
Kernel Hackers Manual 2.6.	 November 2013	       USB_HCD_LINK_URB_TO_(9)

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