Function report |
Source Code:kernel\dma\coherent.c |
Create Date:2022-07-28 10:33:51 |
| Last Modify:2020-03-17 14:54:14 | Copyright©Brick |
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| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:dma_alloc_from_dev_coherent() - allocate memory from device coherent pool*@dev: device from which we allocate memory*@size: size of requested memory area*@dma_handle: This will be filled with the correct dma handle*@ret: This pointer will be filled with
Proto:int dma_alloc_from_dev_coherent(struct device *dev, ssize_t size, dma_addr_t *dma_handle, void **ret)
Type:int
Parameter:
| Type | Parameter | Name |
|---|---|---|
| struct device * | dev | |
| ssize_t | size | |
| dma_addr_t * | dma_handle | |
| void ** | ret |
| 174 | mem = dev_get_coherent_memory(dev) |
| 176 | If Not mem Then Return 0 |
| 179 | ret = __dma_alloc_from_coherent(dev, mem, size, dma_handle) |
| 180 | Return 1 |
| Name | Describe |
|---|---|
| dma_alloc_attrs |
| Source code conversion tool public plug-in interface | X |
|---|---|
| Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion |