On 6/13/19 3:24 AM, 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 <[email protected]> Signed-off-by: Christoph Hellwig <[email protected]>
As expected, it works. The patch needs Cc: Stable <stable*vger.kernel.org> # v5.1+ Tested-by: Larry Finger <[email protected]> Acked-by: Larry Finger <[email protected]> Thanks for the help, and the patience with my debugging problems with u64 variables. Larry
