Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\dma-contiguous.h Create Date:2022-07-28 05:51:39
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:dev_get_cma_area

Proto:static inline struct cma *dev_get_cma_area(struct device *dev)

Type:struct cma

Parameter:

TypeParameterName
struct device *dev
122  Return NULL
Caller
NameDescribe
dma_alloc_from_contiguousdma_alloc_from_contiguous() - allocate pages from contiguous area*@dev: Pointer to device for which the allocation is performed.*@count: Requested number of pages.*@align: Requested alignment of pages (in PAGE_SIZE order).
dma_release_from_contiguousdma_release_from_contiguous() - release allocated pages*@dev: Pointer to device for which the pages were allocated
dma_free_contiguousdma_free_contiguous() - release allocated pages*@dev: Pointer to device for which the pages were allocated