Re: DMA API Re: Remove dma_coherent_mem interface

[James Bottomley <James.Bottomley@HansenPartnership.com>]

On Wed, 2008-02-20 at 22:55 +0000, Russell King wrote:
> On Wed, Feb 20, 2008 at 09:26:55PM +0000, ian wrote:
> > 
> > On Wed, 2008-02-20 at 20:10 +0100, Andi Kleen wrote:
> > > Is there a time frame on when will this happen? Will you be ready
> > > for the .26 merge window?
> > 
> > I think the big sticking point now is getting the generic clock
> > interface merged - Dmitry is working hard on that.
> 
> And that requires a review from my side, which I've not been able to do
> yet...
> 
> It seems there's a number of dependencies that the code depends on,
> and trying to push to remove an interface which is used on to-be-merged
> code which is being _actively_ worked on to bring it to merge standard
> is just stupid - that's a recipe for forcing folk into a corner where
> they'll never have everything merged that they need for their particular
> set of code.
> 
> The alternative is that the code which uses it could be merged as is,
> albiet without the dependents, so effectively it couldn't be built.
> But then it'll satisfy Andi's grep that there are users in the tree.

Don't worry.  The interface fills a need (allocation of on chip or
behind bridge memory) and we have two in tree users: NCR_Q720 and
ochi-sm501, so it's not going anywhere.

James