Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\dma-noncoherent.h Create Date:2022-07-28 10:32:25
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:dev_is_dma_coherent

Proto:static inline bool dev_is_dma_coherent(struct device *dev)

Type:bool

Parameter:

TypeParameterName
struct device *dev
20  Return true
Caller
NameDescribe
dma_pgprotReturn the page attributes used for mapping dma_alloc_* memory, either in* kernel space if remapping is needed, or to userspace through dma_mmap_*.
dma_direct_map_page
dma_direct_can_mmap