Name
usb_buffer_free —
free memory allocated with usb_buffer_alloc
Synopsis
void usb_buffer_free ( | struct usb_device * | dev, |
| | size_t | size, |
| | void * | addr, |
| | dma_addr_t | dma); |
Arguments
dev
device the buffer was used with
size
requested buffer size
addr
CPU address of buffer
dma
DMA address of buffer
Description
This reclaims an I/O buffer, letting it be reused. The memory must have
been allocated using usb_buffer_alloc, and the parameters must match
those provided in that allocation request.