On 02/13/2018 08:40 PM, Laura Abbott wrote:
> On 02/12/2018 11:24 PM, Alexey Skidanov wrote:
>> Hello,
>>
>> Correct me if I'm wrong, but there is no user space interface, similar
>> to the dma_buf_start_cpu_access()/dma_buf_end_cpu_access() to handle IO
>> coherency. That is, on the platforms,
Hello,
Correct me if I'm wrong, but there is no user space interface, similar
to the dma_buf_start_cpu_access()/dma_buf_end_cpu_access() to handle IO
coherency. That is, on the platforms, where the SW is responsible for IO
coherency handling, the following sequences:
- write to the buffer
- DMA
