I'd really like to hear something from the driver maintainers. The
cod change itself looks fine, we just need to make sure it does not
break any driver assumptions.
And I think at least for the PCIe P2P and NTB cases I fear it might
break them. The proper logic for those is in the p2p helpers, b
Folks,
On Fri, Jun 10, 2022 at 11:08:02AM +0300, Serge Semin wrote:
> A basic device-specific linear memory mapping was introduced back in
> commit ("dma: Take into account dma_pfn_offset") as a single-valued offset
> preserved in the device.dma_pfn_offset field, which was initialized for
> instan
A basic device-specific linear memory mapping was introduced back in
commit ("dma: Take into account dma_pfn_offset") as a single-valued offset
preserved in the device.dma_pfn_offset field, which was initialized for
instance by means of the "dma-ranges" DT property. Afterwards the
functionality was