Messages in this thread | | | From | Masahiro Yamada <> | Date | Tue, 27 Aug 2019 16:45:20 +0900 | Subject | Re: [PATCH v2 2/2] dma-contiguous: Use fallback alloc_pages for single pages |
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On Mon, Aug 26, 2019 at 4:33 PM Christoph Hellwig <hch@lst.de> wrote: > > On Mon, Aug 26, 2019 at 11:05:00AM +0900, Masahiro Yamada wrote: > > This is included in v5.3-rc6 > > so I tested it. > > So there is no allocation failure, but you get I/O errors later?
Right.
> > Does the device use a device-private CMA area?
Not sure. My driver is drivers/mmc/host/sdhci-cadence.c It reuses routines in drivers/mmc/host/sdhci.c
> Does it work with Linux > 5.2 if CONFIG_DMA_CMA is disabled?
No. 5.2 + disable CONFIG_DMA_CMA failed in the same way.
-- Best Regards Masahiro Yamada
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