1. NAME▲

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

2. SYNOPSIS ▲

void usb_buffer_dmasync_sg(const struct usb_device *  dev , int  is_in , struct scatterlist *  sg , int  n_hw_ents );

3. ARGUMENTS ▲

dev
    device to which the scatterlist will be mapped

is_in
    mapping transfer direction

sg
    the scatterlist to synchronize

n_hw_ents
    the positive return value from usb_buffer_map_sg

4. DESCRIPTION ▲

Use this when you are re-using a scatterlistAqs data buffers for another USB request.

5. COPYRIGHT ▲