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usb_free_coherent
Langue: en
Version: October 2010 (fedora - 01/12/10)
Section: 9 (Appels noyau Linux)
NAME
usb_free_coherent - free memory allocated with usb_alloc_coherentSYNOPSIS
- void usb_free_coherent(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_alloc_coherent, and the parameters must match those provided in that allocation request.
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