linux-kernel - Re: [RFC 2/5] ARM: OMAP: omap_device: add a method to set iommu private archdata

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Date:	Tue, 04 Oct 2011 13:29:03 -0700
From:	Kevin Hilman <khilman@...com>
To:	Ohad Ben-Cohen <ohad@...ery.com>
Cc:	linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Joerg Roedel <Joerg.Roedel@....com>,
	iommu@...ts.linux-foundation.org, Arnd Bergmann <arnd@...db.de>,
	linux-kernel@...r.kernel.org, Cousson Benoit <b-cousson@...com>,
	Tony Lindgren <tony@...mide.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Hiroshi DOYU <Hiroshi.DOYU@...ia.com>
Subject: Re: [RFC 2/5] ARM: OMAP: omap_device: add a method to set iommu private archdata

Ohad Ben-Cohen <ohad@...ery.com> writes:

> On Tue, Oct 4, 2011 at 8:15 PM, Kevin Hilman <khilman@...com> wrote:
>> The approach is OK with me, but I'm a bit torn about whether or not to
>> merge this since the need for this should go away when converting to DT.
>
> I guess it will still take some time until our boards are fully
> functional with DT, so I think we should regard this as an interim
> solution. Without this patch, a huge deal of code consolidation and
> generalization is gated (namely - generic iommu and dma api, and
> everything that depends on it, e.g. rpmsg/remoteproc).
>
>> Is anyone working on IOMMU DT description?
>
> Unless Benoit is, I'll happily pick this up.

tag.  you're it.

>> I guess if I do merge this, we can also clean this up significantly
>> after all devices are converted to DT.
>
> Sure.

OK, as long as I have some confidence that this is going in the right
direction (and having you on the job is a good sign!)  I'm willing to
merge something like this as an interim solution.

Kevin

>> Unless it has other dependencies on Benoit's further DT patches, you can
>> base this on my for_3.2/omap_device-2 branch which includes Benoit's
>> alloc changes.
>
> Ok, thanks a lot !
> Ohad.
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