Function report |
Source Code:kernel\dma\direct.c |
Create Date:2022-07-28 10:33:17 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
| home page | Tree |
| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:dma_direct_can_mmap
Proto:bool dma_direct_can_mmap(struct device *dev)
Type:bool
Parameter:
| Type | Parameter | Name |
|---|---|---|
| struct device * | dev |
| 438 | Return dev_is_dma_coherent(dev) || IS_ENABLED(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'y' or 'm',* 0 otherwise.(CONFIG_DMA_NONCOHERENT_MMAP) |
| Name | Describe |
|---|---|
| dma_can_mmap | dma_can_mmap - check if a given device supports dma_mmap_**@dev: device to check* Returns %true if @dev supports dma_mmap_coherent() and dma_mmap_attrs() to* map DMA allocations to userspace. |
| Source code conversion tool public plug-in interface | X |
|---|---|
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