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, w
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, where the SW is responsible for IO
coherency handling, the fo
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 re
