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.TH "USB_BUFFER_UNMAP_SG" "" "06 October 2005" "" ""

.SH NAME
usb_buffer_unmap_sg \- free DMA mapping(s) for a scatterlist
.SH SYNOPSIS
"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\&.