iommu/mediatek: Add mutex for data in the mtk_iommu_domain

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Same with the previous patch, add a mutex for the "data" in the
mtk_iommu_domain. Just improve the safety for multi devices
enter attach_device at the same time. We don't get the real issue
for this.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20220503071427.2285-9-yong.wu@mediatek.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Yong Wu 2022-05-03 15:13:59 +08:00 • committed by Joerg Roedel

parent 0e5a3f2e63

commit ddf67a87be

1 changed files with 9 additions and 1 deletions

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drivers/iommu/mtk_iommu.c

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