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bfed873114
If the iova is 34bit, the iova[32][33] is the bit0/1 in the tlb flush register. Add a new macro for this. In the macro, since (iova + size - 1) may be end with 0xfff, then the bit0/1 always is 1, thus add a mask. Signed-off-by: Yong Wu <yong.wu@mediatek.com> Reviewed-by: Tomasz Figa <tfiga@chromium.org> Link: https://lore.kernel.org/r/20210111111914.22211-22-yong.wu@mediatek.com Signed-off-by: Will Deacon <will@kernel.org>