[PATCH v8 1/7] dt-bindings: mediatek: mt8188: Add binding for MM & INFRA IOMMU

[Krzysztof Kozlowski]

On 14/03/2023 03:41, Yong Wu (吴勇) wrote:
> Hi Krzysztof,
> 
> Thanks very much for your help review.
> 
> On Wed, 2023-03-08 at 11:35 +0100, Krzysztof Kozlowski wrote:
>> On 07/03/2023 09:05, Yong Wu wrote:
>>> From: "Chengci.Xu" <chengci.xu at mediatek.com>
>>>
>>> Add descriptions for mt8188 IOMMU which also use ARM Short-
>>> Descriptor
>>> translation table format.
>>>
>>> In mt8188, there are two smi-common HW and IOMMU, one is for
>>> vdo(video
>>> output), the other is for vpp(video processing pipe). They connects
>>> with different smi-larbs, then some setting(larbid_remap) is
>>> different.
>>> Differentiate them with the compatible string.
>>>
>>> Something like this:
>>>
>>>   IOMMU(VDO)          IOMMU(VPP)
>>>       |                   |
>>> SMI_COMMON_VDO      SMI_COMMON_VPP
>>>
>>> ---------------     ----------------
>>>   |     |    ...      |     |    ...
>>> larb0 larb2  ...    larb1 larb3  ...
>>>
>>> We also have an IOMMU that is for infra master like PCIe.
>>> And infra master don't have the larb and ports.
>>>
>>> Signed-off-by: Chengci.Xu <chengci.xu at mediatek.com>
>>> Reviewed-by: Yong Wu <yong.wu at mediatek.com>
>>> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
>>
>> Indeed, I missed broken checkpatch/DCO chain.
> 
> Just confirm what this means.
> 
> Do you mean MAINTAINERS need to be updated since we add a prefix
> "mediatek," for the header file?

No it means, run checkpatch.

Best regards,
Krzysztof