Re: [PATCH v5 04/12] PCI: brcmstb: add dma-range mapping for inbound traffic

[Stefan Wahren]

Hi Jim,

Am 24.09.18 um 17:01 schrieb Jim Quinlan:
> On Mon, Sep 24, 2018 at 4:25 AM Ard Biesheuvel
> <ard.biesheuvel@xxxxxxxxxx> wrote:
>> On Fri, 21 Sep 2018 at 19:41, Jim Quinlan <jim2101024@xxxxxxxxx> wrote:
>>> On Thu, Sep 20, 2018 at 5:39 PM Florian Fainelli <f.fainelli@xxxxxxxxx> wrote:
>>>> On 09/20/2018 02:33 PM, Ard Biesheuvel wrote:
>>>>> On 20 September 2018 at 14:31, Florian Fainelli <f.fainelli@xxxxxxxxx> wrote:
>>>>>> On 09/20/2018 02:04 PM, Ard Biesheuvel wrote:
>>>>>>> On 20 September 2018 at 13:55, Florian Fainelli <f.fainelli@xxxxxxxxx> wrote:
>>>>>>>> On 09/19/2018 07:19 PM, Ard Biesheuvel wrote:
>>>>>>>>> On 19 September 2018 at 07:31, Jim Quinlan <jim2101024@xxxxxxxxx> wrote:
>>>>>>>>>> The Broadcom STB PCIe host controller is intimately related to the
>>>>>>>>>> memory subsystem.  This close relationship adds complexity to how cpu
>>>>>>>>>> system memory is mapped to PCIe memory.  Ideally, this mapping is an
>>>>>>>>>> identity mapping, or an identity mapping off by a constant.  Not so in
>>>>>>>>>> this case.

are there any plans to release a new version of this series?

The Raspberry Pi 4 uses a similiar PCIe controller, so it would be nice
to get this upstream. Unfortunately i have no clue about PCI, so i the
only thing i can do is testing.

Regards
Stefan