Function report |
Source Code:kernel\dma\mapping.c |
Create Date:2022-07-28 10:32:34 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:dmam_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().
Proto:void dmam_free_coherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle)
Type:void
Parameter:
| Type | Parameter | Name |
|---|---|---|
| struct device * | dev | |
| size_t | size | |
| void * | vaddr | |
| dma_addr_t | dma_handle |
| 60 | struct dma_devres match_data = {size, vaddr, dma_handle} |
| 62 | dma_free_coherent(dev, size, vaddr, dma_handle) |
| 63 | WARN_ON(devres_destroy(dev, dmam_release, dmam_match, & match_data)) |
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