USB_BUFFER_DMASYNC_SG

Section: (9)
Updated: 07 August 2003
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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.  

ABOUT THIS DOCUMENT

This documentation is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

For more details see the file COPYING in the source distribution of Linux.

If you have comments on the formatting of this manpage, then please contact Michael Still (mikal@stillhq.com).

This documentation was generated with kernel version 2.6.0.


 

Index

NAME
SYNOPSIS
ARGUMENTS
DESCRIPTION
ABOUT THIS DOCUMENT

This document was created by man2html, using the manual pages.
Time: 04:27:48 GMT, August 07, 2003