Function report |
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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| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Set both the DMA mask and the coherent DMA mask to the same thing.* Note that we don't check the return value from dma_set_coherent_mask()* as the DMA API guarantees that the coherent DMA mask can be set to* the same or smaller than the streaming DMA mask.
Proto:static inline int dma_set_mask_and_coherent(struct device *dev, u64 mask)
Type:int
Parameter:
| Type | Parameter | Name |
|---|---|---|
| struct device * | dev | |
| u64 | mask |
| 671 | rc = dma_set_mask(dev, mask) |
| 672 | If rc == 0 Then dma_set_coherent_mask(dev, mask) |
| 674 | Return rc |
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