Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\dma\mapping.c Create Date:2022-07-28 10:32:46
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:dma_set_coherent_mask

Proto:int dma_set_coherent_mask(struct device *dev, u64 mask)

Type:int

Parameter:

TypeParameterName
struct device *dev
u64mask
359  mask = mask
361  If Not dma_supported(dev, mask) Then Return -EIO
364  Like dma_mask, but for alloc_coherent mappings as not all hardware supports 64 bit addresses for consistent allocations such descriptors. = mask
365  Return 0