Re: [PATCH 0/2] crypto: add new driver for Marvell CESA

[Boris Brezillon]

On Fri, 17 Apr 2015 10:33:56 +0200
Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx> wrote:

> Hi Jason,
> 
> On Mon, 13 Apr 2015 20:11:46 +0000
> Jason Cooper <jason@xxxxxxxxxxxxxx> wrote:
> 
> > > 
> > > > I'd appreciate if we'd look into it.  I understand from on-list and
> > > > off-list discussion that the rewrite was unavoidable.  So I'm willing to
> > > > concede that.  Giving people time to migrate from old to new while still
> > > > being able to update for other security fixes seems reasonable.
> > > 
> > > Jason, what do you think of the approach above? 
> > 
> > I say keep it simple.  We shouldn't use the DT changes to trigger one
> > vice the other.  We need to be able to build both, but only load one at
> > a time.  If that's anything other than simple to do, then we make it a
> > Kconfig binary choice and move on.
> 
> Actually I was planning to handle it with a Kconfig dependency rule
> (NEW_DRIVER depends on !OLD_DRIVER and OLD_DRIVER depends
> on !NEW_DRIVER).
> I don't know how to make it a runtime check without adding new
> compatible strings for the kirkwood, dove and orion platforms, and I'm
> sure sure this is a good idea.
  ^ not

> Do you have any ideas ?
> 
> Regards,
> 
> Boris
> 
> 



-- 
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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