usb_buffer_unmap_sg
Name
usb_buffer_unmap_sg -- free DMA mapping(s) for a scatterlist
Synopsis
void usb_buffer_unmap_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 unmap
n_hw_ents
the positive return value from usb_buffer_map_sg
Description
Reverses the effect of usb_buffer_map_sg
.