Re: [PATCH v6] MIPS: Loongson: Add DMA support for LS7A

[Huacai Chen]

Hi, Christoph,

On Wed, May 6, 2020 at 10:44 PM Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote:
>
> On Wed, May 06, 2020 at 04:47:30PM +0800, Huacai Chen wrote:
> > > For the above reasons, I think what you are concerned is not a
> > > big deal.
> > I don't think so, this is obviously a regression. If we can accept a
> > regression of RS780E, why we still maintain Loongson-2EF rather than
> > simply drop them?
>
> While I much prefer to use the default, regression an otherwise
> working platform seems like a bad idea.  I don't really know much
> about the Loongson platforms, do they all boot using the same kernel
> image?
All Loongson-3 machines (with LS7A bridge or RS780 bridge) use the
same kernel image.