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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