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Christoph Hellwig authored
This function is identical to the generic dma_direct_get_required_mask, except that the generic version also takes the bus_dma_mask account, which could lead to incorrect results in the powerpc version. Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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