usb_buffer_free(9)
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.