dma_buf_end_cpu_access man page on OpenSuSE

dma_buf_end_cpu_access man page on OpenSuSE

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DMA_BUF_END_CPU_ACCE(9)	 Device drivers infrastructure DMA_BUF_END_CPU_ACCE(9)

NAME
       dma_buf_end_cpu_access - Must be called after accessing a dma_buf from
       the cpu in the kernel context. Calls end_cpu_access to allow
       exporter-specific actions. Coherency is only guaranteed in the
       specified range for the specified access direction.

SYNOPSIS
       void dma_buf_end_cpu_access(struct dma_buf * dmabuf, size_t start,
				   size_t len,
				   enum dma_data_direction direction);

ARGUMENTS
       dmabuf
	   [in] buffer to complete cpu access for.

       start
	   [in] start of range for cpu access.

       len
	   [in] length of range for cpu access.

       direction
	   [in] length of range for cpu access.

DESCRIPTION
       This call must always succeed.

COPYRIGHT
Kernel Hackers Manual 3.11	 November 2013	       DMA_BUF_END_CPU_ACCE(9)

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