[PATCH dma-mapping tree] arm64: default to the direct mapping in get_arch_dma_ops
Liviu Dudau
liviu at dudau.co.uk
Fri Dec 28 22:05:29 UTC 2018
On Fri, Dec 28, 2018 at 06:59:00PM +0100, Christoph Hellwig wrote:
> On Fri, Dec 28, 2018 at 05:30:57PM +0000, Liviu Dudau wrote:
> > On Wed, Dec 19, 2018 at 05:55:02PM +0100, Christoph Hellwig wrote:
> > > As all maintainers seem to be off to their holidays already I've
> > > applied this now given that I don't want to leave arm64 in broken
> > > state in linux-next any longer.
> >
> > Hi Christoph,
> >
> > Talking about linux-next being broken, I found out that with
> > next-20181224 the nvme driver with an HMB NVMe SSD (Toshiba RC-100)
> > also fails on a RK3399 board (NanoPC T4). It works with v4.20 just fine.
> >
> > The reason for linking it to your patchset is that I get this on
> > next-20181224 (the DMA addresses looks the same for the allocated buffers):
>
> Your patch looks correct. Can you send the dma_alloc_coherent
> to dma_alloc_attrs switch to linux-nvme list with a proper commit log
> and signoff?
Sure, but that still doesn't make nvme work. Do you have any suggestions?
Best regards,
Liviu
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