Provided by: linux-doc-2.6.15_2.6.15-23.39_all bug

NAME

       usb_ep_free_buffer - frees an i/o buffer

SYNOPSIS

       void usb_ep_free_buffer  (struct usb_ep * ep, void * buf,
                                  dma_addr_t dma, unsigned len);

ARGUMENTS

       ep     the endpoint associated with the buffer

       buf    CPU view address of the buffer

       dma    the buffer’s DMA address

       len    length of the buffer

DESCRIPTION

       reverses the  effect  of  usb_ep_alloc_buffer.  caller  guarantees  the
       buffer will no longer be accessed

AUTHOR

       David Brownell <dbrownell@users.sourceforge.net>.