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

NAME
       usb_buffer_dmasync_sg  -  synchronize  DMA  and CPU view of scatterlist
       buffer(s)


SYNOPSIS
       void usb_buffer_dmasync_sg  (struct usb_device * dev, unsigned pipe,
                                     struct scatterlist * sg, int n_hw_ents);


ARGUMENTS
       dev    device to which the scatterlist will be mapped

       pipe   endpoint defining the mapping direction

       sg     the scatterlist to synchronize

       n_hw_ents
              the positive return value from usb_buffer_map_sg


DESCRIPTION
       Use this when you are re-using a scatterlist’s data buffers for another
       USB request.