usb_free_coherent man page on OpenSuSE

usb_free_coherent man page on OpenSuSE

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USB_FREE_COHERENT(9)		 USB Core APIs		  USB_FREE_COHERENT(9)

NAME
       usb_free_coherent - free memory allocated with usb_alloc_coherent

SYNOPSIS
       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.

COPYRIGHT
Kernel Hackers Manual 3.11	 November 2013		  USB_FREE_COHERENT(9)

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