[PATCH v2 05/22] ARM: dt: tegra30: iommu: Add "nvidia, memory-client"

Stephen Warren swarren at wwwdotorg.org
Mon Jul 29 13:47:04 EDT 2013


On 07/29/2013 05:06 AM, Hiroshi Doyu wrote:
> Stephen Warren <swarren at wwwdotorg.org> wrote @ Wed, 17 Jul 2013 01:14:33 +0200:
> 
>> On 07/05/2013 04:44 AM, Hiroshi Doyu wrote:
>>> Add "nvidia,memory-client" to identify which swgroup ID a device
>>> belongs to.
>>
>> This property also isn't in the documentation.
>>
>> Again, if client devices are required to have this new property, the DT
>> isn't backwards-compatible; fail:-(
> 
> If there's no this property, just falling back to use the system
> default address space. I think that this won't break the
> compatibility basically. Only problem may be the inconsistency of
> setting this property among the HWs in the same group.

When you say "group" there, what kind of group? I thought that each HW
module had its own "SWGROUP ID", and hence there are no "HWs in the same
group"?



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