Thread (13 messages) 13 messages, 3 authors, 2022-09-07

Re: [PATCH v4 5/6] iommu/mediatek: Improve safety for mediatek,smi property in larb nodes

From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Date: 2022-08-30 08:16:18
Also in: linux-iommu, linux-mediatek, lkml

Il 24/08/22 08:43, Yong Wu ha scritto:
No functional change. Just improve safety from dts.

All the larbs that connect to one IOMMU must connect with the same
smi-common. This patch checks all the mediatek,smi property for each
larb, If their mediatek,smi are different, it will return fails.
Also avoid there is no available smi-larb nodes.

Suggested-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>


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