Messages in this thread | | | Date | Tue, 6 Aug 2019 07:23:25 +0200 | From | Christoph Hellwig <> | Subject | Re: [PATCH] dma-direct: don't truncate dma_required_mask to bus addressing capabilities |
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On Mon, Aug 05, 2019 at 05:51:53PM +0200, Lucas Stach wrote: > The dma required_mask needs to reflect the actual addressing capabilities > needed to handle the whole system RAM. When truncated down to the bus > addressing capabilities dma_addressing_limited() will incorrectly signal > no limitations for devices which are restricted by the bus_dma_mask. > > Fixes: b4ebe6063204 (dma-direct: implement complete bus_dma_mask handling) > Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Yeah, this looks sensible. Atish, can you check if this helps on the HiFive board as well?
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