Re: [RFC PATCH] m68k: set dma and coherent masks for Macintosh SONIC based ethernet

[Finn Thain]

On Tue, 29 May 2018, Michael Schmitz wrote:

> > 
> > Since an arch gets to apply limits in the dma ops it implements, why 
> > would arch code also have to set a limit in the form of default 
> > platform device masks? Powerpc seems to be the only arch that does 
> > this.
> 
> One of Christoph's recent patches removed most of arches' dma ops, 
> replacing them by one generic implementation instead. m68k was one of 
> the affected arches. I concede his patch series is experimental still 
> and not in mainline, but may be included at some time.

I found some patches here,
http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/generic-dma-noncoherent.2

Looks like m68k_dma_alloc() gets renamed arch_dma_alloc() and the generic 
ops don't use the dma masks.

Maybe I'm looking at the wrong patches?

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