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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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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