[PATCH 1/2] arm64: dma_mapping: allow PCI host driver to limit DMA mask

Sergei Shtylyov
2016-12-30T10:06:58Z

On 12/30/2016 12:46 PM, Sergei Shtylyov wrote:

>> It is possible that PCI device supports 64-bit DMA addressing, and thus
>> it's driver sets device's dma_mask to DMA_BIT_MASK(64), however PCI host
>
> Its.
>
>> bridge has limitations on inbound transactions addressing. Example of
>> such setup is NVME
>
> Isn't it called NVMe?
>
>> SSD device connected to RCAR PCIe controller.
>
> R=Car.

Sorry, R-Car. :-)

[...]

MBR, Sergei