On Wed, 2007-08-15 at 14:55 -0700, David Miller wrote:
> From: Matthew Wilcox <[EMAIL PROTECTED]>
> Date: Wed, 15 Aug 2007 11:26:00 -0600
>
> > On Tue, Aug 07, 2007 at 12:26:04AM -0700, David Miller wrote:
> > > > - struct sbus_dma *dma;
> > > > + union {
> > > > + struct sbus_dma *sbus_dma;
> > > > + unsigned int x86_dma;
> > > > + };
> > > > };
> > >
> > > Feel free to make this a "void *dma_cookie" or similar.
> > > It's private to the bus front-end.
> >
> > Hi Dave,
> >
> > Could I just clarify; would you prefer it to be a void *? I prefer the
> > anonymous union that I have there right now, but I'm not particularly
> > attached to it. In particular, I don't really care to be casting ints
> > (x86) to pointers, but that's a matter of personal taste.
>
> Alternatively, you could remove this member entirely, and
> make the front-end driver allocate a private area at the
> end of "struct esp" to use for whatever purpose it likes.
>
> I'm mostly ambivalent, but if the member stays it should be
> some generic type rather than anything front-end specific
> like it is now.
Just a check up on this: Matthew were you ever going to complete the
mca_94x conversion? It's quite topical because it would be another
example driver for the m68k people to look at.
If not, I can probably complete the bits you haven't yet done, but it
would be nice to know.
Thanks,
James
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