usb_buffer_unmap
Prev Chapter 5. USB Core APIs Next

Name

usb_buffer_unmap — free DMA mapping(s) for an urb

Synopsis

void usb_buffer_unmap (struct urb *  urb);

Arguments

urb

urb whose transfer_buffer will be unmapped

Description

Reverses the effect of usb_buffer_map.

Prev Up Next
usb_buffer_dmasync Home usb_buffer_map_sg