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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2008-03-04 14:29:27 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-03-04 16:35:17 -0800
commit3715863aa142c4f4c5208f5f3e5e9bac06006d2f (patch)
treecd93a86f90bfd8e9bef9cbcf40abde55acc26b80 /drivers/parisc
parent7eb701dc7779794d46e02a7fa1380289cb730d46 (diff)
iommu: export iommu_is_span_boundary helper function
iommu_is_span_boundary is used internally in the IOMMU helper (lib/iommu-helper.c), a primitive function that judges whether a memory area spans LLD's segment boundary or not. It's difficult to convert some IOMMUs to use the IOMMU helper but iommu_is_span_boundary is still useful for them. So this patch exports it. This is needed for the parisc iommu fixes. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Kyle McMartin <kyle@parisc-linux.org> Cc: Matthew Wilcox <matthew@wil.cx> Cc: Grant Grundler <grundler@parisc-linux.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/parisc')
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