On 9/24/19 12:33 AM, Rob Herring wrote:
> On Fri, Sep 13, 2019 at 10:14 AM Rob Herring wrote:
>>
>> On Sat, Sep 7, 2019 at 5:16 PM wrote:
>>>
>>> From: Marek Vasut
>>>
>>> Add dma-ranges property into /soc node to describe the DMA capabilities
>>> of the bus. This is currently needed to translate PCI DMA ranges, which
>>> are limited to 32bit addresses.
>>
>> FYI, I've started working on this problem and issues around
>> dma-ranges/dma_mask. Hopefully I'll get some patches out next week.
>
> I've pushed out a branch here:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git dma-masks
>
> Can you test it on Renesas. I don't have a real platform having the issue.
With the following patches applied:
https://patchwork.ozlabs.org/patch/1144870/
https://patchwork.ozlabs.org/patch/1144871/
on R8A7795 Salvator-XS, works fine.
--
Best regards,
Marek Vasut
