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.TH "USB_BUFFER_UNMAP_SG" "9" "09 April 2004" "" ""

.SH NAME
usb_buffer_unmap_sg \- free DMA mapping(s) for a scatterlist
.SH SYNOPSIS
.sp
\fB
.sp
void usb_buffer_unmap_sg  (struct usb_device * \fIdev\fB, unsigned \fIpipe\fB, struct scatterlist * \fIsg\fB, int \fIn_hw_ents\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIdev\fB\fR
device to which the scatterlist will be mapped
.TP
\fB\fIpipe\fB\fR
endpoint defining the mapping direction
.TP
\fB\fIsg\fB\fR
the scatterlist to unmap
.TP
\fB\fIn_hw_ents\fB\fR
the positive return value from usb_buffer_map_sg
.SH "DESCRIPTION"
.PP
Reverses the effect of \fBusb_buffer_map_sg\fR.
.SH "ABOUT THIS DOCUMENT"
.PP
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.
.PP
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.
.PP
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
.PP
For more details see the file COPYING in the source
distribution of Linux.
.PP
If you have comments on the formatting of this manpage, then please contact
Michael Still (mikal@stillhq.com).
.PP
This documentation was generated with kernel version 2.6.0.