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| /linux/drivers/iommu/ |
| H A D | mtk_iommu.c | diff 15672b6dc5d03a947e9180db1d6564f43b0c6799 Wed Dec 08 13:07:43 CET 2021 Yong Wu <yong.wu@mediatek.com> iommu/mediatek: Add tlb_lock in tlb_flush_all
The tlb_flush_all touches the registers controlling tlb operations.
Protect it with the tlb_lock spinlock.
This also require the range_sync func to release that spinlock before
calling tlb_flush_all.
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
[refactor commit log]
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20211208120744.2415-5-dafna.hirschfeld@collabora.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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