Thread (19 messages) read the whole thread 19 messages, 2 authors, 2023-02-14

Re: [PATCH v3 05/11] iommu/mediatek: mt8195: Add iova_region_larb_msk

From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Date: 2023-02-14 09:36:30
Also in: linux-devicetree, linux-iommu, linux-media, linux-mediatek, lkml

Il 14/02/23 04:11, Yong Wu ha scritto:
Add iova_region_larb_msk for mt8195. We separate the 16GB iova regions
by each device's larbid/portid.
Refer to include/dt-bindings/memory/mt8195-memory-port.h

Define a new macro MT8192_MULTI_REGION_MAX_NR to indicate
the index of mt8xxx_larb_region_msk and
"struct mtk_iommu_iova_region mt8192_multi_dom"
are the same.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Sorry but... you *are* introducing a iova_region_larb_msk for MT8192 later,
while you're introducing definitions containing the `MT8192` name in a commit
that introduces the same but for MT8195.

I strongly suggest to, at this point, introduce MT8192 region mask here, along
with the MT8192 definitions, and MT8195 after that :-)


Regards,
Angelo


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