Re: [PATCH v3 0/4] Add system mmu support for Armada-806

Tomasz Nowicki
2020-07-14T10:26:37Z

Hi Will,

On 14.07.2020 10:19, Will Deacon wrote:
> Hi Tomasz,
>
> On Thu, Jul 02, 2020 at 10:16:29PM +0200, Tomasz Nowicki wrote:
>> There were already two versions of series to support SMMU for AP806,
>> including workaround for accessing ARM SMMU 64bit registers.
>> First [1] by Hanna Hawa and second [2] by Gregory CLEMENT.
>> Since it got stuck this is yet another try. I incorporated the V2 comments,
>> mainly by moving workaround code to arm-smmu-impl.c as requested.
>>
>> For the record, AP-806 can't access SMMU registers with 64bit width,
>> this patches split the readq/writeq into two 32bit accesses instead
>> and update DT bindings.
>>
>> The series was successfully tested on a vanilla v5.8-rc3 kernel and
>> Intel e1000e PCIe NIC. The same for platform devices like SATA and USB.
>>
>> [1]: https://lkml.org/lkml/2018/10/15/373
>> [2]: https://lkml.org/lkml/2019/7/11/426
>
> Do you have a v4 of this series? It looks like there were a few comments
> left to address, but with that I can pick it up for 5.9.

Yes, I will send it out today.

Thanks,
Tomasz