Messages in this thread | | | Subject | Re: [PATCH] powerpc: enable a 30-bit ZONE_DMA for 32-bit pmac | From | Larry Finger <> | Date | Thu, 13 Jun 2019 13:51:41 -0500 |
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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 <aaro.koskinen@iki.fi> > Signed-off-by: Christoph Hellwig <hch@lst.de>
As expected, it works. The patch needs Cc: Stable <stable*vger.kernel.org> # v5.1+
Tested-by: Larry Finger <Larry.Finger@lwfinger.net> Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Thanks for the help, and the patience with my debugging problems with u64 variables.
Larry
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