Thread (166 messages) 166 messages, 7 authors, 2019-12-19

Re: use generic DMA mapping code in powerpc V4

From: Christoph Hellwig <hch@lst.de>
Date: 2018-11-30 13:11:00
Also in: linux-arch, linux-iommu, linux-mm, lkml

On Fri, Nov 30, 2018 at 01:23:20PM +0100, Christian Zigotzky wrote:
Hi Christoph,

Thanks a lot for your fast reply.

On 30 November 2018 at 11:53AM, Christoph Hellwig wrote:
quoted
Hi Christian,

for such a diverse architecture like powerpc we'll have to rely on
users / non core developers like you to help with testing.
I see. I will help as good as I can.
quoted
Can you try the patch below for he cyrus config?
Yes, of course. I patched your Git kernel and after that I compiled it 
again. U-Boot loads the kernel and the dtb file. Then the kernel starts but 
it doesn't find any hard disks (partitions).
Interesting.  Does it find the storage controller (what kind of
storage does it use?).

For the PASEMI board can you test the attached patch?  Also are you
using Compact Flash cards on that system?
@All
Could you please also test Christoph's kernel on your PASEMI and NXP 
boards? Download: 'git clone git://git.infradead.org/users/hch/misc.git -b 
powerpc-dma.4 a'
FYI, I've pushed a new powerpc-dma.5 with the various fixes discussed
in this thread.
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