Re: struct page to 36 (or 64) bit bus address?
Johannes Erdfelt (firstname.lastname@example.org)
Thu, 9 Aug 2001 16:35:32 -0400
On Thu, Aug 09, 2001, David S. Miller <email@example.com> wrote:
> Alan Cox writes:
> > > Obviously the more portable way across architectures is using the PCI
> > > DMA API but when will the implementation be fixed so I can use it to
> > > exploit the full potential of this device?
> > 2.5 I believe, ping the peacefrog and ask <DaveM@redhat.com>
> That's the current plan. There may be a 2.4.x backport, but no
> promises. It all depends upon how straightforward the changes
It's not a big deal. It's just less efficient which isn't the end of the
> Note, if you use the "bttv method" (ie. virt_to_bus) your driver will
> then fail to compile on several platforms.
So noted. I already have a PCI DMA API version, but I wanted to code up
a "i have an i386 and gigs of memory" version as well.
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