| Age | Commit message (Collapse) | Author | |
|---|---|---|---|
| 2015-04-14 | Create API to map between CPU physical and bus addresses | Stephen Warren | |
| On some SoCs, DMA-capable peripherals see a different address space to the CPU's physical address space. Create an API to allow platform-agnostic drivers to convert between the two address spaces when programming DMA operations. This API will exist on all platforms, but will have a dummy implementation when this feature is not required. Other platforms will enable CONFIG_PHYS_TO_BUS and provide the required implementation. Signed-off-by: Stephen Warren <swarren@wwwdotorg.org> | |||
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