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

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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.
Do you have any ideas ?

Regards,

Boris


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