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SubjectRe: [PATCH] powerpc: enable a 30-bit ZONE_DMA for 32-bit pmac
On Thu, 2019-06-13 at 08:24:46 UTC, Christoph Hellwig wrote:
> With the strict dma mask checking introduced with the switch to
> the generic DMA direct code common wifi chips on 32-bit powerbooks
> stopped working. Add a 30-bit ZONE_DMA to the 32-bit pmac builds
> to allow them to reliably allocate dma coherent memory.
> Fixes: 65a21b71f948 ("powerpc/dma: remove dma_nommu_dma_supported")
> Reported-by: Aaro Koskinen <>
> Signed-off-by: Christoph Hellwig <>
> Tested-by: Larry Finger <>
> Acked-by: Larry Finger <>
> Tested-by: Aaro Koskinen <>

Applied to powerpc fixes, thanks.


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