Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\dma-mapping.h Create Date:2022-07-28 05:51:49
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:dma_free_coherent

Proto:static inline void dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, dma_addr_t dma_handle)

Type:void

Parameter:

TypeParameterName
struct device *dev
size_tsize
void *cpu_addr
dma_addr_tdma_handle
652  Return dma_free_attrs(dev, size, cpu_addr, dma_handle, 0)
Caller
NameDescribe
dmam_free_coherentdmam_free_coherent - Managed dma_free_coherent()*@dev: Device to free coherent memory for*@size: Size of allocation*@vaddr: Virtual address of the memory to free*@dma_handle: DMA handle of the memory to free* Managed dma_free_coherent().
pool_free_page