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[ Upstream commitfb4ee2b30c] This drops rather useless ddw_enabled flag as direct_mapping implies it anyway. While at this, fix indents in enable_ddw(). This should not cause any behavioral change. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20211108040320.3857636-3-aik@ozlabs.ru Stable-dep-of:3bf983e4e9("powerpc/pseries/iommu: enable_ddw incorrectly returns direct mapping for SR-IOV device") Signed-off-by: Sasha Levin <sashal@kernel.org>